Phase I Environmental Site Assessment Schoolfield Placer and Third National Mill Site, Stanley Road, Dumont, Colorado

Phase I Environmental Site Assessment

Schoolfield Placer and Third National Mill Site Dumont, Colorado 80436

June 5, 2019

Prepared By: Sundance Environmental Consultants, Inc. 11584 Wilson Circle, Parker, Colorado 80134 (303) 699-7870

Prepared For: Jason Smith

Phase I Environmental Site Assessment Schoolfield Placer and Third National Mill Site, Stanley Road, Dumont, Colorado

1 SUMMARY

The subject property consists of approximately 11 acres of land associated with historic mining claims, including hard rock mining, placer mining, and potentially milling operations. A railroad was historically present along the northern edge of the site. Most of the mining activities occurred in the late 1800s and early 1900s, although one mine area may still be in use. Several mine rock piles are visible on the subject property, and the toe of a mine rock pile that is still in use encroaches onto the Third National mill site portion of subject property. This pile displays rock fragments that are yellow or golden in color, and is not vegetated.

The bulk of the property contains grasses and trees on mountainous land that steepens uphill toward the south. Several debris piles were noted on the subject property, mostly consisting of dead wood. Some rusty metal pipe and rusty wire rope were observed in one pile. Some limited building material such as wooden lattice had been dumped. Trash on the ground included metal cans, plastic bottles, empty burlap sacks, shot gun shell casings, old rubber hose, and a small piece of linoleum. No chemical containers or ground staining were observed on the subject property. This debris did not appear to contain any significant evidence of hazardous substances or petroleum products.

A buried gas line and an overhead electric line are present along Stanley Road and the north edge of the property. No electrical transformers were noted. No utility services connecting to the subject property were observed. No water wells, septic tanks or leachfields were observed. No structures or foundations were observed at the subject property.

Groundwater at the subject property is estimated to flow north toward Clear Creek, then eastward with the creek. The subject property is bordered to the north by Stanley Road and the Colorado Adventure Center, to the east and west by undeveloped land, and to the south by undeveloped mountain side and mine properties.

Historic aerial photography beginning in 1938 was reviewed for evidence of past land use. Ground disturbance that was likely related to mining is present on many of the photographs, at various locations along the subject property. Topographic maps show that a railroad was present in 1912, and multiple mine adits are also shown subsequent maps, generally near the mine rock piles. A mine sheet from 1901 presents the locations of the mining claims in the area including those on the subject property.

One environmental database record was discovered for the subject property. An “underground” mine record named Stanley Mine was issued to Equity Gold, Inc. in 1981. The area was approximately 9 acres, and the status is now listed as “revoked and terminated.” The location of this mine is mapped as being on the north edge of the subject property. Sundance did not observe any direct evidence of this mine during site reconnaissance. Additional database information from the Colorado Division of Mining,

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Reclamation and Safety indicates that this 110(2) mine type includes hard rock/metal mining with limited impact operations. No other information was discovered for this mine, or the subject property parcels of Schoolfield Placer or Third National MS for this Phase I report.

The site is located within the Central City/Clear Creek Superfund Site study area which encompasses 400 square miles, but the boundaries of the active Superfund site do not include the subject property. This Superfund Site is known to have contaminated stream water quality with acid mine drainage and wastes from historic mining tunnels and practices in the vicinity. This nearby Superfund site record does not directly affect the subject property, but does establish that there have been environmental concerns due to historic mining along Clear Creek.

In the opinion of Sundance, the historic mining land use of this property is considered to be a Recognized Environmental Condition (REC). This includes historic mine records of a placer and mine site or mill site claim on the entire subject property, and the database record of the closed Stanley underground mine. In addition, the existing mine rock piles contain unknown concentrations of heavy metals.

The subject property is zoned for mining and single-family residence. Future land use may include a residence, with possible expansion of development such as for cabins, an RV park, and a brewery.

Sundance recommends soil testing in areas of existing mine rock piles, and other areas of future grading or development. While wide-spread heavy metals concentrations in soil are not expected, this should be documented prior to further development for residential land usage, vegetable gardens, over-lot grading or building of dirt roads. Groundwater contamination is not expected, but this should also be tested if a water supply well is anticipated for site development.

Sundance Environmental Consultants, Inc. (Sundance) has performed a Phase I Environmental Site Assessment (ESA) in conformance with the scope and limitations of ASTM practice E 1527-13 of portions of the Schoolfield Placer and Third National Mill Site along Stanley Road near Dumont, Colorado (“the subject property”). Any exceptions to, or deletions from this practice, are described in the Deviations section of this report. This Phase I ESA has revealed evidence of recognized environmental conditions (RECs) in connection with the subject property, including: • Historic mine records on the subject property, and • Mine rock piles and surface soils of unknown heavy metals concentrations in areas of anticipated residential land use.

No historic RECs or controlled RECs were identified. Additional environmental assessment is recommended.

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TABLE OF CONTENTS

1 SUMMARY...... 2 TABLE OF CONTENTS ...... 4 2 INTRODUCTION ...... 6 2.1 PURPOSE ...... 6 2.2 DETAILED SCOPE-OF-SERVICES ...... 6 2.3 SIGNIFICANT ASSUMPTIONS ...... 6 2.4 LIMITATIONS AND EXCEPTIONS ...... 7 2.5 SPECIAL TERMS AND CONDITIONS ...... 7 2.6 USER RELIANCE ...... 8 3 SITE DESCRIPTION ...... 9 3.1 LOCATION AND LEGAL DESCRIPTION ...... 9 3.2 SITE AND VICINITY GENERAL CHARACTERISTICS ...... 9 3.3 CURRENT USE OF THE PROPERTY ...... 10 3.4 DESCRIPTION OF STRUCTURES, ROADS, OTHER IMPROVEMENTS ON THE SITE10 3.5 CURRENT USES OF ADJOINING PROPERTIES ...... 10 4 USER PROVIDED INFORMATION ...... 11 4.1 TITLE RECORDS ...... 11 4.2 ENVIRONMENTAL LIENS OR ACTIVITY AND USE LIMITATIONS ...... 11 4.3 SPECIALIZED KNOWLEDGE ...... 11 4.4 COMMONLY KNOWN OR REASONABLY ASCERTAINABLE INFORMATION ...... 11 4.5 VALUATION REDUCTION FOR ENVIRONMENTAL ISSUES ...... 11 4.6 OWNER, PROPERTY MANAGER, AND OCCUPANT INFORMATION ...... 11 4.7 REASON FOR PERFORMING PHASE I ESA ...... 11 4.8 OTHER ...... 11 5 RECORDS REVIEW ...... 12 5.1 STANDARD ENVIRONMENTAL RECORD SOURCES AND RESULTS...... 12 5.2 ADDITIONAL ENVIRONMENTAL RECORD SOURCES AND RESULTS ...... 12 5.3 PHYSICAL SETTING SOURCES ...... 14 5.4 BASIC HISTORICAL USE INFORMATION (SUBJECT PROPERTY AND ADJOINING PROPERTIES) ...... 15 5.5 REGULATORY RECORD SOURCES ...... 16 6 SITE RECONNAISSANCE ...... 17

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6.1 METHODOLOGY AND LIMITING CONDITIONS ...... 17 6.2 GENERAL SITE SETTING ...... 17 6.3 EXTERIOR OBSERVATIONS ...... 17 6.4 INTERIOR OBSERVATIONS ...... 18 7 INTERVIEWS ...... 19 7.1 INTERVIEW WITH OWNER ...... 19 7.2 INTERVIEW WITH SITE MANAGER ...... 19 7.3 INTERVIEW WITH OCCUPANTS ...... 19 7.4 INTERVIEW WITH LOCAL GOVERNMENT OFFICIALS ...... 19 7.5 INTERVIEW WITH OTHERS ...... 19 8 FINDINGS ...... 21 9 OPINION ...... 22 10 CONCLUSIONS ...... 22 11 DEVIATIONS ...... 24 12 ADDITIONAL SERVICES ...... 24 13 REFERENCES ...... 24 14 SIGNATURE OF ENVIRONMENTAL PROFESSIONAL ...... 25 15 QUALIFICATIONS OF ENVIRONMENTAL PROFESSIONAL ...... 26 16 APPENDICES ...... 27 16.1 SITE MAP ...... 27 16.2 SITE PHOTOGRAPHS ...... 27 16.3 HISTORICAL RESEARCH DOCUMENTATION ...... 27 16.4 INTERVIEW DOCUMENTATION...... 27 16.5 REGULATORY RECORDS DOCUMENTATION ...... 27

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2 INTRODUCTION

2.1 PURPOSE

The purpose of this Phase I Environmental Site Assessment (ESA) Report is to identify recognized environmental conditions (RECs), meaning “the presence or likely presence of any hazardous substances or petroleum products in, on, or at a property due to a release to the environment; under conditions indicative of a release to the environment; or under conditions that pose a material threat of a future release to the environment.” De minimis conditions generally do not present a threat to human health or the environment and generally would not be the subject of an enforcement action if brought to the attention of appropriate governmental agencies. De minimis conditions are not recognized environmental conditions (ASTM 2013).

A controlled recognized environmental condition is a REC resulting from a past release of hazardous substances or petroleum products that has been addressed to the satisfaction of the applicable regulatory authority, with hazardous substances or petroleum products allowed to remain in place subject to the implementation of required controls. A controlled REC is a recognized environmental condition (ASTM 2013).

A historical recognized environmental condition is a past release of any hazardous substances or petroleum products that has occurred in connection with the property and has been addressed to the satisfaction of the applicable regulatory authority or meeting unrestricted land use criteria established by a regulatory authority, without subjecting the property to any required controls. A historical REC is not a recognized environmental condition (ASTM 2013).

2.2 DETAILED SCOPE-OF-SERVICES

The scope of services includes performing a Phase I ESA in accordance with ASTM Standard Practice E 1527-13. All appropriate inquiry into the previous ownership and uses of the property will be consistent with good commercial and customary practice for identifying recognized environmental conditions, if any, at the subject property. The work to be performed includes records review, site reconnaissance, interviews, and data evaluation/report preparation.

2.3 SIGNIFICANT ASSUMPTIONS

Significant assumptions include that the location of the property has been adequately defined by the User, that knowledgeable site personnel will be available for interviewing, and that the property will be reasonably accessible for inspection.

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2.4 LIMITATIONS AND EXCEPTIONS

Uncertainty Not Eliminated. No environmental site assessment can wholly eliminate uncertainty regarding the potential for recognized environmental conditions in connection with a property. Performance of this practice is intended to reduce, but not eliminate, uncertainty regarding the potential for recognized environmental conditions in connection with a property, and this practice recognizes reasonable limits of time and cost (ASTM 2013).

Not Exhaustive Assessment. An exhaustive assessment has not been made on the subject property due to additional cost needed to obtain information or in the time required to gather it could outweigh the usefulness of the information and, in fact, may be a material detriment to the orderly completion of transactions.

Level of Inquiry is Variable. Not every property requires the same amount of environmental assessment work. Consistent with good commercial and customary practice, the appropriate level of environmental site assessment will be guided by the type of property subject to assessment, the expertise and risk tolerance of the user, and the information developed during the course of the inquiry (ASTM 2013).

Comparison With Subsequent Inquiry. It should not be concluded or assumed that an inquiry was not all appropriate inquiries merely because the inquiry did not identify recognized environmental conditions in connection with the subject property. Environmental site assessments must be evaluated based on the reasonableness of the judgments made at the time and under the circumstances in which they were made (ASTM 2013).

Continued Viability of Phase I ESA. It is important to note that, according to the ASTM E 1527-13 standard, a Phase I ESA is presumed to be valid for 180 days. Beyond that, a Phase I that is still less than one year old could be considered valid if it is updated in several key areas, including interviews, record searches, and the visual inspection.

Legal Requirements. This assessment does not address requirements of any local, state, or federal laws other than the all appropriate inquiry for CERCLA’s landowner liability protections. Users are cautioned that federal, state, and local laws may impose environmental assessment obligations that are beyond the scope of this practice. Users should also be aware that there are likely to be other legal obligations with regard to hazardous substances or petroleum products discovered on the property that are not addressed in this practice and may pose risks of civil and/or criminal sanctions for noncompliance.

2.5 SPECIAL TERMS AND CONDITIONS

There are no special terms or conditions, except: none.

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2.6 USER RELIANCE

The User may be expected to rely on this report to fulfill all appropriate inquiry requirements for identifying recognized environmental conditions in connection with the subject property. The User for this report is Jason Smith.

The User may want to consider evaluating several items in connection to commercial real estate which are beyond the scope of an ASTM E 1527-13 Phase I ESA, including but not limited to: asbestos-containing building materials, biological agents, cultural and historic resources, ecological resources, endangered species, health and safety, indoor air quality, industrial hygiene, lead-based paint, lead in drinking water, mold, radon, regulatory compliance, and wetlands.

The User should be aware that review of recorded land title records and judicial records for environmental liens or activity and use limitations is outside the scope of an ASTM Phase I ESA. The user should engage a title company or title professional to undertake these reviews.

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3 SITE DESCRIPTION 3.1 LOCATION AND LEGAL DESCRIPTION

Location: Schoolfield Placer (portion of) and Third National Mill Site, Stanley Road, Dumont, Colorado 80436 [no street addresses given, per Assessor’s webpage]

Owner: ROMINE LARRY E TRUST & LAURA D ROMINE TRUST & DALE R & KAREN F BENSON [both parcels, as per Assessor’s webpage]

Parcel ID: 1835-291-01-002 and 1835-291-00-617 [as per Assessor’s webpage]

Legal Description: Subdivision: ROMINE-BENSON DIVISION Lot: 2 - 484/422 ESMT COMCAST 723/400 TRUSTS 771/244 STMT OF AUTHOR 771/242 & 243, STMT OF AUTHOR 771/242 & 771/243 and MINE: THIRD NATIONAL MS - 2206B 5 ACRESBAN EMP 29-3- 73 484/422, STMT OF AUTHOR 771/242 & 771/243 [as per Assessor’s webpage]

3.2 SITE AND VICINITY GENERAL CHARACTERISTICS

Lot Size: 11 acres and 5 acres [as per Assessor’s webpage], but Land Survey Plat of 2012 indicates the Schoolfield Placer (portion of) is 6.53 acres.

Year Built: No structures [as per Assessor’s webpage]

Building Size: No buildings

Use Code: Vacant [as per Assessor’s webpage]

Zoning: M-1, mine and single-family residence [as per telecom with Clear Creek County Site Development, see Section 7.4.]

Surface Gradient: The subject property slopes from the south to north toward Clear Creek, and from west to east down-valley.

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Groundwater Flow: The groundwater beneath the subject property is estimated to flow northerly toward Clear Creek, then easterly with Clear Creek.

3.3 CURRENT USE OF THE PROPERTY

The subject property is currently vacant.

3.4 DESCRIPTION OF STRUCTURES, ROADS, OTHER IMPROVEMENTS ON THE SITE

Dirt roads cross the subject property. Natural gas and overhead electric utilities run along the north edge of the property. No structures or other site utilities are known.

3.5 CURRENT USES OF ADJOINING PROPERTIES

North: Stanley Road, County Road 312 Colorado Adventure Center, 2697 Stanley Road

South: Vacant land, mountain side, mining claims

East: Vacant

West: Vacant.

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4 USER PROVIDED INFORMATION 4.1 TITLE RECORDS Title records were not provided.

4.2 ENVIRONMENTAL LIENS OR ACTIVITY AND USE LIMITATIONS None known to User.

4.3 SPECIALIZED KNOWLEDGE None known to User.

4.4 COMMONLY KNOWN OR REASONABLY ASCERTAINABLE INFORMATION

This is an old mining claim property. There are no open mines, but may be some test pits. User had Clear Creek County Planner Adam Springer, 303 679 2361, inspect property (see Section 5.2 and 7.4).

4.5 VALUATION REDUCTION FOR ENVIRONMENTAL ISSUES None known to User.

4.6 OWNER, PROPERTY MANAGER, AND OCCUPANT INFORMATION Ask Broker.

4.7 REASON FOR PERFORMING PHASE I ESA Environmental due diligence, bank requirement.

4.8 OTHER Future property use may include a residence, cabins, an RV park, and a brewery. Soil excavation and site grading will be required for property development. User suspects that some mining waste rock may be present on the Third National claim. The User provided a 4/22/2019 email from Clear Creek County Planner Adam Springer, which is further reviewed in Section 5.2 of this report. The User has no reason to suspect that environmental conditions exist at the property.

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5 RECORDS REVIEW 5.1 STANDARD ENVIRONMENTAL RECORD SOURCES AND RESULTS

The primary environmental record source is Environmental Data Resources, Inc. (EDR), which is a standard provider of this information to the industry. The EDR Radius Report is included as an Appendix. One database listing was identified for the subject property, or otherwise very close or on the northern border of subject property. The database listings are presented below.

DATABASE FACILITY/ADDRESS COMMENTS

NPL CENTRAL CITY, CLEAR 1600 FT WNW CERCLIS CREEK This Superfund site was placed on the final National US ENG NEAR TOWN Priorities List in 1983. 400 square miles of Clear Creek CONTROLS IDAHO SPRINGS, CO watershed are included in the studies - stream water US INST quality had been compromised by acid mine drainage from CONTROL historic mining tunnels and mine waste piles. The subject ROD property is located within this general area. The EDR map ICIS shows the nearest portion of the site to exist upstream from PRP the subject property.

This record is discussed further in Section 5.2, but ultimately does not directly affect the subject property. MINES STANLEY MINE AT OR NEAR SITE A mine type of “underground” was issued in 1981 to Equity Gold, Inc. The area was approximately 9 acres, and the status is “revoked and terminated.”

This site is discussed further in Section 5.2, and is an environmental concern for the subject property. No orphan sites were listed in the EDR database, in the vicinity of the subject property.

5.2 ADDITIONAL ENVIRONMENTAL RECORD SOURCES AND RESULTS

The following records sources were reviewed to expand on information obtained during the database records review.

Records Review – Colorado Department of Labor and Employment, Division of Oil and Public Safety (OPS)

Records available from the OPS website were reviewed by Sundance. No records are on file for the subject or adjoining properties.

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Records Review – Colorado Department of Public Health and Environment, Hazardous Materials and Waste Management Division

According to our review of CDPHE electronic records, no records are on file for the subject property or nearby properties based on search words of “Stanley Road” and “Dumont” and the mining claim names. Certain CDPHE website records for the Clear Creek/Central City Superfund Site are described below.

Clear Creek/Central City Superfund Site – A 2014 report was reviewed that describes the history, status and long-term funding requirements for Superfund sites in Colorado. This Superfund site study area covers the Clear Creek drainage basin, which has been affected by precious metal mining sites. Construction for cleanup has largely been completed, although water treatment plant operations will be required in perpetuity. A map file was identified that shows the vicinity of the subject property not to be within the Superfund site boundary. Therefore, this Superfund Site does not affect the subject property. Excerpts are included in the appendix.

Records Review – Clear Creek County Online Research

A Property Record Card, available from Clear Creek County Assessor’s office was reviewed on the Assessor’s website, as summarized in Section 3.1.

A Mine Sheet for Section 29, Township 3 South, Range 74 West was downloaded from the Clear Creek County website, as provided in the appendix. The map is dated from 1901. The location of the subject property has been estimated on the map. The entire property is within the Schoolfield Placer and 2206B MS, which is the Third National MS. Other mine claims are displayed in the vicinity. No structures are shown.

A 1938 aerial photograph was downloaded and is discussed in Section 5.4.

Records Review – Colorado Division of Reclamation, Mining and Safety

The electronic files of the Division of Mining, Reclamation and Safety were queried regarding the mine sites by the subject property. No records were discovered for the Schoolfield Placer or Third National MS. The Stanley Mine is listed as a 110(2) mine type, which includes hard rock/metal mining with limited impact operation. No other information was discovered for this Phase I report.

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User-Provided Information

The User provided an email from Clear Creek County Planner Adam Springer dated 4/22/2019. Mr. Springer had performed a site visit 4/19/2019, and provided comments including that there was a shooting range nearby with unknown setback requirements, that a geologic hazards analysis would be required because of a debris fan observed. The buyer was invited to set up a pre-application meeting with the County. This email is attached to the appendix.

A land survey plat from 2012 was also forwarded, which had been used to subdivide some property on the north side of Stanley Road. Most of the subject property was shown, and it appeared to have boundaries as shown on the county property maps. The portion of the Schoolfield Placer that appears to be part of the subject property is marked as Lot 2 with a size of 6.53 acres. No structures were mapped to be on the subject property. This survey was too large to be included with this Phase I report.

EDR GeoCheck Physical Setting Report

Geologic information in the general area indicates Precambrian metamorphic rocks are present. Surface soil components consist primarily of gravelly sandy loam. The soils are listed as well drained. The corrosion potential for uncoated steel is moderate to high. No wells are registered at the subject property.

Area radon information indicates that average indoor radon levels in the vicinity of the target property are above the residential screening level of 4 picoCuries per liter. The risk to the subject property is limited at the present time because there is no basement and no residential land usage. This may change with the contemplated site development.

5.3 PHYSICAL SETTING SOURCES

Site Photographs (see appendix) Current USGS Topographic Map Current Site Map and Aerial Photograph (see appendix).

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5.4 BASIC HISTORICAL USE INFORMATION (SUBJECT PROPERTY AND ADJOINING PROPERTIES)

EDR Aerial Photos

YEAR SUBJECT PROPERTY ADJOINING PROPERTIES

1938 The subject property is generally vacant and The adjoining properties appear to be (from undeveloped, but displays several ground mostly vacant and undeveloped. Various County) disturbances which appear to be mining-related. mine rock piles can be observed in the No structures are discerned. vicinity, and two structures are visible on the north side of Clear Creek. 1951 The subject property appears to be Adjacent property use is mostly vacant and undeveloped and adjacent to Stanley Road undeveloped. Stanley Road or the former along Clear Creek. The property displays many railroad is present to the north. Ground trees, and clearings are present at the west end disturbance such as from placer mining is of Schoolfield Placer, plus much of the Third visible along Clear Creek. I-70 is visible National MS. Some ground disturbance, such further to the north. Several large as from historic placer mining, is visible at the structures are visible on mine claims on the east end of Schoolfield Placer. Some historic north side of the creek. ground disturbance is also visible near the middle of the west leg of Schoolfield. No structures are visible. 1953 Same as above. Same as above. 1967 The alignment of Stanley Road near the west A new bridge crosses Clear Creek near the end of the subject property may have been Third National MS. A mine rock pile is shifted to the north. Ground disturbances are visible by Third National MS. still visible on the east and west legs of the Schoolfield Placer. 1971 A dirt road is visible at the Third National MS. Same as above. Dirt roads are visible at the west end of Schoolfield Placer. No structures are noted. 1974 Same as above. Same as above. 1985 Same as above. Same as above. 1987 Same as above. Same as above. 1994 Same as above. Same as above. 1999 Same as above. Same as above. 2005 Same as above. Same as above. 2009 Same as above. Same as above. 2013 Same as above. Some new development is visible to the north of Stanley Road. 2017 Same as above. The Colorado Adventure Center has been developed to the north of Stanley Road.

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USGS Topographic Maps

YEAR SUBJECT PROPERTY ADJOINING PROPERTIES 1912 The elevation is approximately 7850 feet. Clear Creek is present to the north. Topography rises steeply to the south. A road Dwellings are visible to the north of the and a railroad right-of-way are present along creek. portions of the north edge of the subject property. An unnamed intermittent stream flows from southwest to northeast near the Third National MS. Two structures are shown on or next to the subject property, which appear to be larger than dwellings. No mine adits are shown. 1942 The railroad is no longer present. The The immediate vicinity of the subject property structures are not present. A mine adit is appears to be undeveloped forest land. shown near the east end of the subject property. A road is present near the former railroad alignment. 1972 Several mine adits are marked on or very Same as above. near the subject property.

Note: These USGS topo maps were viewed on line by Sundance. The full maps are not included in this report due to size limitations. However, a topographic map is provided in the EDR Radius Report, and a portion of a USGS topographic map is included in the appendix to this report.

EDR Sanborn Map Report

This is reported to be an unmapped property.

City Directories

City directories were not reviewed for this property due to a historic lack of structures present, and that land use has been adequately determined through other means such as historic aerial photography and interviews.

5.5 REGULATORY RECORD SOURCES

In addition to the EDR database: Clear Creek County Assessor’s Office, Section 3.1 OPS, CDPHE, Division of Reclamation, Mining and Safety, Section 5.2 Clear Creek County Building Dept., Idaho Springs Fire Dept., Sections 5.2 and 7.4.

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6 SITE RECONNAISSANCE 6.1 METHODOLOGY AND LIMITING CONDITIONS

The subject property was inspected on 5/19/2019, by Robin Fryberger of Sundance Environmental. The entire property was open for inspection. The property boundaries were estimated from the Assessor’s maps. Some orange flags were observed which may mark portions of the southern property line.

6.2 GENERAL SITE SETTING

The subject property is located in an undeveloped and mountainous area along Stanley Road near Dumont, Colorado.

6.3 EXTERIOR OBSERVATIONS

The subject property consists of two parcels. The Schoolfield Placer is relatively narrow and irregular in shape, running along the south side of Stanley Road. The Third National Mill Site parcel is approximately triangular in shape. The two parcels total 11 acres. There are no structures on the subject property. No building foundations were observed. Electric power poles and a buried natural gas line run along the northern edge of the subject property along Stanley Road.

Much of the property is mountainous and covered with pine trees. Portions of the property along Stanley Road are more level and grass-covered. No creeks or surface water ponding was observed. Some dirt access roads are present on the property. One road appears to serve as an access road for mining claims located offsite to the south of the Third National Mill Site. Based on our estimate of the property line in this area, a mining area is present just offsite from the subject property. The ground is rocky and has been somewhat recently cut as evidenced by a lack of vegetation. While the actual mining area appears to be offsite, the toe of the mine rock pile likely encroaches onto the subject property. A snow blower, empty liquid tote, 5-gallon bucket of oil and a small oil stain on the ground were observed offsite in this area. This evidence of historic and limited recent mining is an environmental concern, to be discussed further in Section 9 of this Phase I report.

No storage tanks, septic systems or water wells were observed on the subject property. No ground staining or electrical transformers were observed on site. Some limited evidence of other historic rock piles that may have been associated with historical mining activities was observed. These piles are relatively small and at least partially vegetated, and do not appear to be adversely affecting the subject property at this time, but still represent an environmental concern.

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Several debris piles were noted on the subject property, mostly consisting of dead wood. Some rusty metal pipe and rusty wire rope were observed in one pile. Some limited building material such as wooden lattice had been dumped. Trash on the ground included metal cans, plastic bottles, empty burlap sacks, shot gun shell casings, old rubber hose, and a small piece of linoleum. Fire pits were present at the west end of the property. Some additional limited dumping was observed in the ravines at the southern edge of the subject property, and further offsite to the south. This debris on site did not appear to contain any significant evidence of hazardous substances or petroleum products.

Adjoining properties include Stanley Road and Colorado Adventure Park to the north, and undeveloped mountainous land to the west, south and east. Some evidence of limited mining was observed offsite to the south. Other than the encroachment of some mine rock piles on to the subject property, particularly at the Third National MS, the present-day uses of these adjoining properties do not appear to be directly affecting the subject property.

6.4 INTERIOR OBSERVATIONS

There are no buildings on the subject property.

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7 INTERVIEWS 7.1 INTERVIEW WITH OWNER

The property owner representative, Mr. Larry Romine, was interviewed by telephone on 5/16/2019 at 970 418 0110. He and his family have owned the subject property since 1992, and he has been a resident in the valley since 1972. No structures are known to have been present, and the land has been vacant. The previous owners were the Morrison Family Trust, for whom there is no contact information at this point. No previous environmental reports are known. There are no drums or sacks of chemicals at the property. There are no storage tanks, stained soil, landfills or disposal pits. There are no water wells or leachfields. There may be some fill dirt on the subject property. Mr. Romine has no reason to suspect that environmental conditions exist on the site.

7.2 INTERVIEW WITH SITE MANAGER

See interview with owner, above.

7.3 INTERVIEW WITH OCCUPANTS

There are no occupants.

7.4 INTERVIEW WITH LOCAL GOVERNMENT OFFICIALS

Sundance contacted Chief Kelly Fabian of Idaho Springs Fire Department at 303 567 4342 on 5/28/2019 and 6/4/2019 regarding any information on file. According to Chief Fabian, he has been in the vicinity since 1982, and there have been no hazardous materials incidents or calls to the subject property.

Sundance contacted Ms. Cyndie Ruschmyer, Site Development Administrator for Clear Creek County at 303 679 2430, and left messages on 5/28/2019 and 6/4/2019 inquiring about historical structures or activities at the subject property, and its zoning. The calls were returned indicating that there was no historic or land development information available for the subject property. The lots are zoned as M-1, which includes mining and a single-family residence. Excavation testing requirements are summarized in Section X of the Clear Creek County International Code Series (no environmental sampling requirements are specified by this Code).

Sundance contacted Ms. Charlotte Hampson, Environmental Health Manager for Clear Creek County, at 303 679 2420, and left messages on 5/28/2019 and 6/4/2019. A

Sundance Environmental Consultants, Inc. 19 Phase I Environmental Site Assessment Schoolfield Placer and Third National Mill Site, Stanley Road, Dumont, Colorado message was also left with Environmental Health Technician Ms. Denise Tenant on 6/4/2019. No response was received by the publication date of this report.

Sundance contacted Mr. Adam Springer of the Clear Creek County Planning Department at 303 679 2361 on 5/28/2019. He returned the call on 5/31/19, and indicated he had no information on the subject property. He stated he would look to the environmental consultant to develop historic mine site sampling requirements, if any.

7.5 INTERVIEW WITH OTHERS

No other interviews were performed as part of this assessment.

Sundance Environmental Consultants, Inc. 20 Phase I Environmental Site Assessment Schoolfield Placer and Third National Mill Site, Stanley Road, Dumont, Colorado

8 FINDINGS

1. How was/is the property being used?

The subject property is currently vacant and undeveloped. Some heavy metals and/or precious metals mining occurred at the site in the past, such as the late 1800s and early 1900s. Some mine rock piles are still present. A railroad was historically present along the north edge of the site.

2. What substances were/are used on the property?

Heavy metals and/or precious metals were likely present due to historic mining activities. No hazardous substances or petroleum products were observed at the site during site reconnaissance.

3. Were/are wastes managed or disposed there?

Some mined rock has been stored in piles at the site.

4. What cleanup has been/is being conducted?

None known.

5. Are there any engineering controls in place?

None known.

6. Are there any institutional controls—restrictions on access or use?

None known.

7. Will/has contamination from nearby properties migrate(d) onto the property?

Some mine rock piles have encroached onto the subject property. The degree of contamination, if any, is unknown.

Sundance Environmental Consultants, Inc. 21 Phase I Environmental Site Assessment Schoolfield Placer and Third National Mill Site, Stanley Road, Dumont, Colorado

9 OPINION

Sundance Environmental Consultants, Inc. 22 Phase I Environmental Site Assessment Schoolfield Placer and Third National Mill Site, Stanley Road, Dumont, Colorado

The subject property is zoned for mining and single-family residence. Future land use may include a residence, with possible expansion of development such as for cabins, an RV park, and a brewery.

Sundance Environmental Consultants, Inc. 23 Phase I Environmental Site Assessment Schoolfield Placer and Third National Mill Site, Stanley Road, Dumont, Colorado

10 CONCLUSIONS

No historic RECs or controlled RECs were identified. Additional environmental assessment is recommended.

11 DEVIATIONS

There have been no significant deviations from the ASTM Standard Practice E 1527-13 in performing this Phase I.

12 ADDITIONAL SERVICES

No additional services have been contracted with Sundance regarding the subject property.

13 REFERENCES

ASTM 2013. Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process. ASTM Designation E 1527-13, ASTM International, 2013.

Sundance Environmental Consultants, Inc. 24 Phase I Environmental Site Assessment Schoolfield Placer and Third National Mill Site, Stanley Road, Dumont, Colorado

14 SIGNATURE OF ENVIRONMENTAL PROFESSIONAL

Sundance Environmental Consultants, Inc. certifies and agrees that:

1) Sundance Environmental Consultants, Inc. has no present or contemplated interest in the property inspected.

2) Sundance Environmental Consultants, Inc. has no personal interest in or bias with respect to the subject matter of the assessment report or the participants to the sale. This environmental assessment report is not based in whole or in part upon the race, color, or national origin of the prospective owners or occupants of the property inspected, or upon the race, color or national origin of the present owners or occupants of the properties in the vicinity of the property inspected.

3) Sundance Environmental Consultants, Inc. has inspected the property, and has made an exterior inspection of all neighboring properties in the report. To the best of their knowledge and belief, all statements and information in this assessment report are true and correct, and they have not knowingly withheld any significant information.

4) All conclusions and opinions concerning the property assessed in this report were prepared by Sundance Environmental Consultants, Inc.

I declare that, to the best of my professional knowledge and belief, I met the definition of environmental professional as defined in Section 312.10 of 40 CFR 312. I have the specific qualifications based on education, training, and experience to assess a property of the nature, history, and setting of the subject property. I have developed all appropriate inquiries in conformance with the standards and practices set forth in 40 CFR Part 312.

6/5/2019

Robin M. Fryberger, P.E. Date

Sundance Environmental Consultants, Inc. 25 Phase I Environmental Site Assessment Schoolfield Placer and Third National Mill Site, Stanley Road, Dumont, Colorado

15 QUALIFICATIONS OF ENVIRONMENTAL PROFESSIONAL

Robin M. Fryberger, B.A., M.S., P.E.

Mr. Fryberger has earned a Bachelor of Arts degree with a Geology/Geophysics major from the University of Colorado, and a Master of Science in Civil Engineering – Water Resources from the University of Colorado. He is registered as a Professional Engineer in the State of Colorado. Mr. Fryberger has been performing environmental site assessment and remediation consulting along the Front Range since 1989. This work has been performed at several large Federal facilities, as well as hundreds of commercial and industrial sites. The assessment work has included historical research, subsurface investigations, and Phase I and Phase II reporting.

Pertinent continuing education has included training sessions regarding EPA’s All Appropriate Inquiry (AAI) requirements; study of the ASTM Standard E2600-10 Standard Guide for Vapor Encroachment Screening on Property Involved in Real Estate Transactions; and study of the recently updated ASTM E1527-13 Phase I standard. A resume is included in the appendix.

Sundance Environmental Consultants, Inc. 26 Phase I Environmental Site Assessment Schoolfield Placer and Third National Mill Site, Stanley Road, Dumont, Colorado

16 APPENDICES

16.1 SITE MAPS

16.2 SITE PHOTOGRAPHS

16.3 HISTORICAL RESEARCH DOCUMENTATION

Clear Creek County Property Profiles and Maps EDR Historic Aerial Photos EDR Sanborn Map Report Clear Creek County historic mine sheet and aerial photograph

16.4 INTERVIEW DOCUMENTATION

User Questionnaire Resume of Environmental Professional

16.5 REGULATORY RECORDS DOCUMENTATION

CDPHE/Superfund file excerpts Copy of email from County Planner site visit EDR Radius Report

Sundance Environmental Consultants, Inc. 27 Site Map

Schoolfield Placer and Third National Mill Site, Dumont, Colorado

1. Schoolfield Placer and Third National Mill Site, Stanley Road, Dumont, CO – View to the south, 2. View to the northeast from Third National Mill Site parcel. Relatively level land in foreground from dirt road for mine access, through Third National Mill Site parcel. is part of property. Zip line visible offsite in background.

3. View to the southwest, at eastern tip of Schoolfield Placer portion of property. 4. View to the west, of western portion of subject property, a portion of the Schoolfield Placer.

5. View of pile of empty burlap sacks for coffee beans, dumped on subject property. 6. View of some construction materials and debris dumped on property.

7. View of debris pile on subject property, including wood debris, metal pipes, and wire rope. 8. View of debris piles on west portion of subject property.

9. View to the east of access road to mine area just offsite from subject property. 10. View to the north, of mine area just offsite from subject property at Third National Mine Site. The toe of the mine pile is on the subject property. Oil stain in foreground. Plastic tote is empty.

11. View to the north of Stanley Road and Colorado Adventure Center. 12. View of rock pile or historic mine pile near property line on eastern portion of property.

Clear Creek County Interactive Map

Legend

Township Lines Section Lines Roads (1 inch = 400 feet) HIGHWAY

MAJOR ARTERIAL

COLLECTOR

LOCAL

SERVICE

4WD Streams Lakes Towns (zoomed in) Parcels

1: 6,400 Notes

1,066.7 0 533.33 1,066.7 Feet This map is a visual representation generated from an Internet Mapping site, Do not use for legal, construction, survey or real estate transaction purposes. This map is not survey accurate and may not comply with National Mapping Accuracy Standards. This map may NAD_1983_2011_StatePlane_Colorado_Central_FIPS_0502_Ft_US or may not be accurate, current or otherwise reliable. The presence of a road feature on Map Created: May 18, 2019 the map does not imply the existence of public access or ownership. Property Record Card Clear Creek County Assessor

ROMINE LARRY E TRUST Account: R002974 Parcel: 1835-291-01-002 & LAURA D ROMINE Tax Area: County - 010 Situs Address: TRUST & DALE R & Acres: 11.000 KAREN F BENSON

PO BOX 55 EMPIRE, CO 80438-0055 Value Summary Legal Description , Subdivision: ROMINE-BENSON DIVISION Lot: 2 - 484/422 ESMT Value By: Market Override COMCAST 723/400 TRUSTS 771/244 STMT OF AUTHOR 771/242 Land LGTR (1) $66,000 N/A &243, STMT OF AUTHOR 771/242 & 771/243 Total $66,000 $66,000

Land LGTR Occurrence 1 Acres 11 Location Rating LOCATION RATING - FAIR Use Code VACANT Road Type SECONDARY GRAVEL Road Maintained Yes Topog Front TOPOGRAPHY FRONT - LEVEL Topog Mid TOPOGRAPHY MIDDLE - LEVEL Topog Back TOPOGRAPHY BACK - SLOPING Not Buildable No Property View No Southern Exposure No Creek Front No Shape IRREGULAR Electric Yes Natural Gas No Sewer SEWER - PRIVATE Water WATER - PRIVATE Base Value AD7 Abstract Code 0530 - 5 AC TO L/T 10 AC

SubArea ACTUAL SFLA BSMT_FIN FOOTPRINT UNITS_BUILDIN GS Units 1

A#: R002974 P#: 183529101002 As of: 05/18/2019 Page 1 of 2 Property Record Card Clear Creek County Assessor

Land LGTR Occurrence 1 Acres 11 11 Total 11.00 11.00 1.00 Value Rate Rate Rate Rate Rate $66,000 6,000.00 6,000.00 66,000.00

Abstract Summary Code Classification Actual Value Taxable Actual Taxable Value Override Override 0530 5 AC TO L/T 10 AC $66,000 $19,140 NA NA Total $66,000 $19,140 NA NA

A#: R002974 P#: 183529101002 As of: 05/18/2019 Page 2 of 2 Clear Creek County Interactive Map

Legend

Township Lines Section Lines Roads (1 inch = 400 feet) HIGHWAY

MAJOR ARTERIAL

COLLECTOR

LOCAL

SERVICE

4WD Streams Lakes Towns (zoomed in) Parcels

1: 6,400 Notes

ROMINE LARRY E TRUST Account: R002978 Parcel: 1835-291-00-617 & LAURA D ROMINE Tax Area: County - 010 Situs Address: TRUST & DALE R & Acres: 5.000 KAREN F BENSON

PO BOX 55 EMPIRE, CO 80438-0055 Value Summary Legal Description MINE: THIRD NATIONAL MS - 2206B 5 ACRESBAN EMP 29-3- Value By: Market Override 73 484/422, STMT OF AUTHOR 771/242 & 771/243 Land Res Min (1) $52,400 $42,350 Total $52,400 $42,350

Sale Data Doc. # Sale Date Deed Type Validity Verified Sale Price Ratio Adj. Price Ratio Time Adj. Ratio Price 0 N $0 N/A $0 N/A $0 N/A Land Res Min Occurrence 1 Acres 5 Location Rating LOCATION RATING - AVERAGE Use Code 9 - VACANT Road Type PRIMARY GRAVEL Road Maintained Yes Topog Front TOPOGRAPHY FRONT - LEVEL Topog Mid TOPOGRAPHY MIDDLE - SLOPING Topog Back TOPOGRAPHY BACK - SLOPING Not Buildable No Property View No Southern Exposure No Creek Front No Shape TYPICAL Electric Yes Natural Gas No Sewer SEWER - PRIVATE Water WATER - PRIVATE Base Value MIN07

A#: R002978 P#: 183529100617 As of: 05/18/2019 Page 1 of 2 Property Record Card Clear Creek County Assessor

Land Res Min Occurrence 1 Abstract Code 0530 - 5 AC TO L/T 10 AC

SubArea ACTUAL SFLA BSMT_FIN FOOTPRINT UNITS_BUILDIN GS Units 1 Acres 5 5 Total 5.00 5.00 1.00 Value Rate Rate Rate Rate Rate $42,350 8,470.00 8,470.00 42,350.00

Abstract Summary Code Classification Actual Value Taxable Actual Taxable Value Override Override 0530 5 AC TO L/T 10 AC $52,400 $15,200 $42,350 $12,280 Total $52,400 $15,200 $42,350 $12,280

A#: R002978 P#: 183529100617 As of: 05/18/2019 Page 2 of 2

Schoolfield Placer and Third National Mine Stanley Road Dumont, CO 80436

Inquiry Number: 5657064.5 May 20, 2019

The EDR Aerial Photo Decade Package

6 Armstrong Road, 4th floor Shelton, CT 06484 Toll Free: 800.352.0050 www.edrnet.com EDR Aerial Photo Decade Package 05/20/19

Site Name: Client Name:

Schoolfield Placer and Third National MineSundance Env. Consultants, Inc. Stanley Road 11584 Wilson Circle Dumont, CO 80436 Parker, CO 80134 EDR Inquiry # 5657064.5 Contact: Robin Fryberger

Environmental Data Resources, Inc. (EDR) Aerial Photo Decade Package is a screening tool designed to assist environmental professionals in evaluating potential liability on a target property resulting from past activities. EDR’s professional researchers provide digitally reproduced historical aerial photographs, and when available, provide one photo per decade.

Search Results: Year Scale Details Source 2017 1"=500' Flight Year: 2017 USDA/NAIP 2013 1"=500' Flight Year: 2013 USDA/NAIP 2009 1"=500' Flight Year: 2009 USDA/NAIP 2005 1"=500' Flight Year: 2005 USDA/NAIP 1999 1"=500' Acquisition Date: September 06, 1999 USGS/DOQQ 1994 1"=750' Flight Date: September 24, 1994 USGS 1987 1"=500' Flight Date: October 03, 1987 USDA 1985 1"=500' Flight Date: September 06, 1985 USDA 1974 1"=500' Flight Date: October 08, 1974 USGS 1971 1"=500' Flight Date: June 26, 1971 USGS 1967 1"=500' Flight Date: July 13, 1967 USGS 1953 1"=500' Flight Date: September 27, 1953 USGS 1951 1"=500' Flight Date: October 08, 1951 USGS

When delivered electronically by EDR, the aerial photo images included with this report are for ONE TIME USE ONLY. Further reproduction of these aerial photo images is prohibited without permission from EDR. For more information contact your EDR Account Executive.

Disclaimer - Copyright and Trademark Notice This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data Resources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from other sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER IN CONNECTION WITH THIS REPORT. ENVIRONMENTAL DATA RESOURCES, INC. SPECIFICALLY DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER. IN NO EVENT SHALL ENVIRONMENTAL DATA RESOURCES, INC. BE LIABLE TO ANYONE, WHETHER ARISING OUT OF ERRORS OR OMISSIONS, NEGLIGENCE, ACCIDENT OR ANY OTHER CAUSE, FOR ANY LOSS OF DAMAGE, INCLUDING, WITHOUT LIMITATION, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES. ANY LIABILITY ON THE PART OF ENVIRONMENTAL DATA RESOURCES, INC. IS STRICTLY LIMITED TO A REFUND OF THE AMOUNT PAID FOR THIS REPORT. Purchaser accepts this Report "AS IS". Any analyses, estimates, ratings, environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only, and are not intended to provide, nor should they be interpreted as providing any facts regarding, or prediction or forecast of, any environmental risk for any property. Only a Phase I Environmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for any property. Additionally, the information provided in this Report is not to be construed as legal advice.

Copyright 2019 by Environmental Data Resources, Inc. All rights reserved. Reproduction in any media or format, in whole or in part, of any report or map of Environmental Data Resources, Inc., or its affiliates, is prohibited without prior written permission. EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates. All other trademarks used herein are the property of their respective owners.

5657064 - 5 page 2 5657064.5

2017

= 500' 5657064.5

2013

= 500' 5657064.5

2009

= 500' 5657064.5

2005

= 500' 5657064.5

1999

= 500' 5657064.5

1994

= 750' 5657064.5

1987

= 500' 5657064.5

1985

= 500' 5657064.5

1974

= 500' 5657064.5

1971

= 500' 5657064.5

1967

= 500' 5657064.5

1953

= 500' 5657064.5

1951

= 500' Schoolfield Placer and Third National Mine Stanley Road Dumont, CO 80436

Inquiry Number: 5657064.3 May 20, 2019

Certified Sanborn® Map Report

6 Armstrong Road, 4th floor Shelton, CT 06484 Toll Free: 800.352.0050 www.edrnet.com 05/20/19 Certified Sanborn® Map Report Site Name: Client Name: Schoolfield Placer and Third National MineSundance Env. Consultants, Inc. Stanley Road 11584 Wilson Circle Dumont, CO 80436 Parker, CO 80134 EDR Inquiry # 5657064.3 Contact: Robin Fryberger The Sanborn Library has been searched by EDR and maps covering the target property location as provided by Sundance Env. Consultants, Inc. were identified for the years listed below. The Sanborn Library is the largest, most complete collection of fire insurance maps. The collection includes maps from Sanborn, Bromley, Perris & Browne, Hopkins, Barlow, and others. Only Environmental Data Resources Inc. (EDR) is authorized to grant rights for commercial reproduction of maps by the Sanborn Library LLC, the copyright holder for the collection. Results can be authenticated by visiting www.edrnet.com/sanborn.

The Sanborn Library is continually enhanced with newly identified map archives. This report accesses all maps in the collection as of the day this report was generated.

Certified Sanborn Results: Certification # 86ED-4451-997A NA PO # Schoolfield Placer and Third N Project

UNMAPPED PROPERTY Sanborn® Library search results This report certifies that the complete holdings of the Sanborn Library, Certification #: 86ED-4451-997A LLC collection have been searched based on client supplied target property information, and fire insurance maps covering the target property The Sanborn Library includes more than 1.2 million were not found. fire insurance maps from Sanborn, Bromley, Perris & Browne, Hopkins, Barlow and others which track historical property usage in approximately 12,000 American cities and towns. Collections searched:

Library of Congress University Publications of America

EDR Private Collection

The Sanborn Library LLC Since 1866™

Limited Permission To Make Copies Sundance Env. Consultants, Inc. (the client) is permitted to make up to FIVE photocopies of this Sanborn Map transmittal and each fire insurance map accompanying this report solely for the limited use of its customer. No one other than the client is authorized to make copies. Upon request made directly to an EDR Account Executive, the client may be permitted to make a limited number of additional photocopies. This permission is conditioned upon compliance by the client, its customer and their agents with EDR's copyright policy; a copy of which is available upon request.

EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates. All other trademarks used herein are the property of their respective owners.

5657064 - 3 page 2

Sundance Environmental Consultants, Inc. 11584 Wilson Circle, Parker, Colorado 80134 T: (303) 699-7870

ASTM E 1527-13 Phase I ESA User Questionnaire Page 1 of 2

Instructions to User: Please complete this form immediately, to the best of your knowledge at this time, and return to Sundance. This information is very important for Sundance to complete a high-quality Phase I in a timely and cost-effective manner. Most of this information is specifically required to be provided by the user, according to the ASTM E 1527-13 Standard Practice for a Phase I Environmental Site Assessment.

Site/Property Address: Schoolfield Placer and Third National MS, Dumont, CO

User Name (often a company): Jason Smith User Contact Name: Jason Smith User Address/email: [email protected] Contact Phone: Fax: Cell: 913 406 1701 Name of person completing questionnaire / date: R Fryberger, J Smith, 5/21/2019

What do you know about the property? This is an old mining claim property with no open mines, but some test pits may be present. Spoke with Clear Creek County Planner Adam Springer; field visit notes provided.

Names / contact information for knowledgeable persons regarding the property? (like previous owner, current owner, property manager, current occupants) Ask Broker.

Is a site map or property survey available? An old survey was provided of neighboring property.

Are any environmental reports available, such as a previous Phase I or site assessment reports? If these items are available, please name and provide. None known.

What is the reason that the user is performing this Phase I? Environmental due diligence, bank requirement.

What is the anticipated use of property by the user/new owner? May build residence, cabins, RV park, brewery.

Will any remodeling, demolition, or soil excavation be required for future property use? Yes, soil excavation for site grading.

The user may want to consider evaluating several items in connection to commercial real estate which are beyond the scope of an ASTM E 1527-13 Phase I, including but not limited to: asbestos-containing building materials, biological agents, cultural and historic resources, ecological resources, endangered species, health and safety, indoor air quality, industrial Sundance Environmental Consultants, Inc. 11584 Wilson Circle, Parker, Colorado 80134 T: (303) 699-7870

ASTM E 1527-13 Phase I ESA User Questionnaire Page 2 of 2

hygiene, lead-based paint, lead in drinking water, mold, radon, regulatory compliance, and wetlands. Sundance can subcontract others for the performance of this work, if desired.

The user should be aware that review of recorded land title records and judicial records for environmental liens or activity and use limitations is outside the scope of an ASTM Phase I. The user should engage a title company or title professional to undertake these reviews, or have Sundance subcontract this work. Are any title records available that you would like Sundance to review?

1. Did a search of land title or judicial records identify any environmental liens filed or recorded against the property under federal, tribal, state or local law? None known.

2. Did a search of land title or judicial records identify any activity and land use limitations (AULs), such as engineering controls, land use restrictions or institutional controls that are in place at the property and/or have been filed or recorded against the property under federal, tribal, state or local law? None known.

3. Do you have any specialized knowledge or experience related to the property or nearby properties? NO For example, are you involved in the same line of business as the current or former occupants of the property or an adjoining property so that you would have specialized knowledge of the chemicals and processes used by this type of business? NO

4. Does the purchase price being paid for this property reasonably reflect the fair market value of the property? YES If you conclude that there is a difference, have you considered whether the lower purchase price is because contamination is known or believed to be present at the property? NA

5. Are you aware of commonly known or reasonably ascertainable information about the property that would help the environmental professional to identify conditions indicative of releases or threatened releases? YES For example: a) Do you know the past uses of the property? Historic mining claims b) Do you know of specific chemicals that are present or once were present at the property? NO c) Do you know of spills or other chemical releases that have taken place on the property? NO d) Do you know of any environmental cleanups that have taken place at the property? NO

6. Based on your knowledge and experience related to the property are there any obvious indicators that point to the presence or likely presence of releases at the property? NO; User wonders if some mine waste rock is present on the Third National property.

Completed form may be scanned back to Sundance at [email protected]. ROBIN M. FRYBERGER, P.E. Principal Engineer

EXPERIENCE SUMMARY

Mr. Fryberger serves as principal engineer and project manager with twenty-five years of environmental consulting experience. He provides design and implementation leadership on numerous property redevelopment and remediation projects, having supported commercial, municipal, and Federal programs. His involvement on many sites has included Phase I and Phase II site assessments, site management planning, regulatory negotiations, remediation system design, remediation construction and operation, and applications for site closure. His expertise has been applied to halogenated solvents, fuels, and other oil and gas- and metals-contaminated sites. Most of the remediation systems have involved SVE, air sparging, bioremediation and natural attenuation, and many have included excavation and groundwater recovery and treatment, including with horizontal wells. More recent experience with innovative technologies has included chemical oxidation with potassium permanganate and hydrogen peroxide, surfactant flushing, dual-phase extraction, reductive dehalogenation with iron filings, and injections of lactate and activated carbon amendments. Permitting experience includes Underground Injection Control (UIC) Program Rule Authorizations for groundwater reinjection or chemical injections, preparation of Air Pollutant Emissions Notices (APENs) for air emissions, injection/extraction trench permitting with the Division of Water Resources, and surface water discharge permitting with the Colorado Discharge Permit System (CDPS). Mr. Fryberger has worked under multiple regulatory programs, including CERCLA, RCRA, UMTRA, COGCC, USTs and VCUP.

EXPERIENCE RECORD

2004-Present Sundance Environmental Consultants, Inc., Parker, Colorado – Principal Engineer. Mr. Fryberger is the principal engineer and project manager providing site assessment and remediation services to clients with chlorinated solvents, heavy metals, and petroleum hydrocarbon contamination. The goal of this work is to achieve site closure with the lead regulatory agencies, including the Colorado Oil and Gas Conservation Commission (COGCC), Colorado Department of Public Health and Environment (CDPHE), and the Colorado Department of Labor and Employment, Division of Oil and Public Safety (OPS). Mr. Fryberger performs or oversees Phase I and Phase II environmental site assessments. Mr. Fryberger is experienced at accessing the Petroleum Storage Tank Fund to reimburse eligible tank owners for UST site remediation costs, and tax credits through the Voluntary Clean-Up Program. He is currently managing six UST assessment or cleanup sites, and five dry cleaner remediations. He has received approval for No Action through the Voluntary Clean-Up Program for a property developed over a closed landfill. Other VCPs include metals-contaminated sites, and properties near dry cleaners. Mr. Fryberger serves as Operator in Responsible Charge for four remediation activities discharge permits.

2000-2004 Cordilleran Compliance Services, Inc., Arvada, Colorado – Senior Remediation Engineer. Mr. Fryberger served as Senior Remediation Engineer for this firm. He was responsible for evaluating existing site conditions, conducting remediation pilot tests, developing remediation alternatives, preparing remedial action plans, designing remediation systems, permitting system components with the appropriate regulatory agencies, overseeing construction of approved remedial alternatives, and efficiently operating the remediation systems. His work also included periodic system performance evaluations so that system efficiencies could be optimized. Project management and construction management activities have included proposal preparation, budget preparation and tracking, project staffing, report review and finalization, and subcontractor management. Key projects have included management of a free product recovery system for a gas plant; design and management of several gasoline remediation systems approved by OPS; reviewed data collected by others for due diligence effort for independent gas company and proposed alternate innovative remedial technologies for increased effectiveness but reduced cost; and remediated a solder manufacturing site resulting in a “No Further Action” designation by CDPHE. Managed five UST site assessments initiated during a property transaction that resulted in prompt site closure from OPS due to a lack of significant impacts. Managed several ongoing UST and dry cleaner cleanup projects.

Robin M. Fryberger, P.E. (Page 2)

1992-2000 Earth Tech, Inc., Englewood, Colorado, aka Rust Environment and Infrastructure/SEC Donohue/Applied Environmental – Senior Remediation Engineer and Project Manager. Mr. Fryberger designed the soil and groundwater remediation systems for numerous cleanups at RCRA and UST sites. Technologies used include combinations of natural attenuation, soil vapor extraction, dual-phase extraction, bioremediation, groundwater recovery and treatment, air sparging, and chemical oxidation, with vertical wells, horizontal wells, and treatment trenches. Also evaluated caps, slurry walls, permeable reactive barriers, surfactant flushing, excavation, stabilization, and thermal desorption. Developed performance evaluations of existing remediation systems, and recommended cost-effective improvements or otherwise accelerated site closure schedules. Interfaced extensively with regulators and contractors. Key projects included a dual- phase extraction pilot test and developing a remediation plan for DNAPL TCA; developed CMS for the TCE plume in the Sanitary Landfill, planned DNAPL investigation, developed the closure strategy for the entire multi-SWMU groundwater plume, including source management and natural attenuation for USACE at the Pueblo Chemical Depot; managed the PCD UST program, including tank replacements, corrective action planning, and site remediations; prepared CMS for Fire Training Area with PCE in soil and groundwater, and investigated remedial options for nitrate plume at Fort Carson in Colorado Springs; managed brine spill assessment and remediation in Kansas; managed the assessment, corrective action planning, design, construction, operations and closure of more than ten UST remediation sites for Amoco. Miscellaneous projects included solvents cleanup design, AST installations, waste stream minimization for micro-electronics company, and litigation support/municipal well replacement design.

1989 – 1992 Morrison Knudsen Environmental Services, Englewood, Colorado – Staff Engineer. Provided engineering and scientific support for numerous CERCLA and RCRA projects. Provided litigation support and developed RI/FS for slag pile OU at California Gulch Superfund Site. Engineered preliminary landfarm design for refinery wastes in New Mexico. Prepared FS for groundwater with TCE, CT, EDB, and performed pumping tests and quarterly GW monitoring for Hastings, Nebraska Superfund Site as an EPA ARCS contractor. Performed investigative sampling oversight for uranium mill tailings commingled with hazardous wastes, and engineered remedial options for removal of radioactive wastes in soil mixed with PCBs and lead at UMTRA Site in Grand Junction, Colorado. Screened alternatives such as soil washing and stabilization for solvent- and metals-contaminated soils, installed and developed monitor wells, performed quarterly groundwater sampling at the American Association of Railroads Transportation Test Center in Pueblo, Colorado. Miscellaneous projects have included groundwater modeling at rail yard, and aquifer testing and analysis.

1988-1989 University of Colorado School of Engineering, Boulder, Colorado – Research Assistant. Mr. Fryberger performed experiments on water flow through fractures in concrete for a funded Master’s thesis project.

1988, Summer Spence-Geiger Associates, Wheat Ridge, Colorado – Industrial Hygienist Technician. Mr. Fryberger acted as health and safety officer for asbestos abatement projects. Building inspector responsible for identifying and sampling asbestos-containing building materials according to Asbestos Hazard Emergency Response Act (AHERA) regulations. Dealt extensively with abatement contractors.

1987-1988 Charles C. Bowman Associates, Boulder, Colorado – Geo-Technician. Mr. Fryberger performed the drilling and logging of test borings and test pits for site evaluations, soil compaction testing and concrete testing. Lab duties included soil testing and equipment maintenance. Special projects included a mined land subsidence investigation.

Robin M. Fryberger, P.E. (Page 3)

EDUCATION / TRAINING

M.S., Civil Engineering – Water Resources, University of Colorado at Boulder, 1990 B.A., Geology/Geophysics, University of Colorado at Boulder, 1986 OSHA 29 CFR 1910.120 HAZWOPER health and safety training, and supervisor's training Subsurface Barrier Technologies, 2-day short course by IBC, 1999 Accelerated Bioremediation of Chlorinated Solvents, 2-day short course by ITRC and RTDF, 2004 MTBE Assessment and Remediation, 2-day short course by ITRC and OPS, 2004 EPA Corrective Action Conference, Denver, 2005 Brownfields Redevelopment Conference, Denver, 2005 Ongoing continuing education regarding environmental site assessment, remediation and real estate issues

PROFESSIONAL AFFILIATIONS / REGISTRATIONS

American Society of Civil Engineers American Geophysical Union Denver Metropolitan Commercial Association of Realtors Certified Commercial Investment Member Affiliate (former) Denver Oilman’s Club Rocky Mountain Fabricare Association

Licensed Professional Engineer, State of Colorado, #30922, 1996 Registered Environmental Professional, Colorado Division of Oil and Public Safety, #53, 2018 Industrial Waste Water Treatment Plant Operator, Class A, State of Colorado, #9122, 2017 North Braecher Lake Ice Lake Central City/Clear Creek NPL Site Clear Clear Creek & Gilpin Counties, Steuart Lake Ralston Creek Dory Lake Colorado Saint Marys Lake

Missouri Creek Lake Caroline NPL Boundary

Silver Creek Creek Kriley Pond County Boundaries Fall River Reservoir Lake Quivira Pecks Gulch Missouri Lake

Alice Silver Creek Waterbodies Chinns Lake Gilpin County Chase Gulch 119 Macy Gulch Interstate Highways Fall River Cumberland Gulch Mill Creek Highways Rivers and Streams

Hamlin Gulch Eureka Gulch Fourmile Gulch

North Empire Creek Black Hawk 0 1 2 Miles MillerCreek Nevada Gulch Central City Clear Creek County Lake Gulch North Lion Creek 0 1 2 Kilometers

Spring Gulch Central City Pky Lake Fork £

York Gulch

Smith Hill Gulch Date: January 22, 2013 Clear Map Projection: NAD83 UTM Zone 13N Clear Virginia Canyon Empire Data Sources: NPL Boundary - U.S. EPA Region 8 (2013); Cottonwood Gulch 40 Elkhorn Gulch County Boundaries - U.S. Census Bureau (2010); £¤ Creek Fountain Gulch Creek Interstates & Highways - Navteq (2011); Bard Creek Rivers & Streams - CDOW (2004); Hoosac Gulch Waterbodies - NHDPlus (2009); Base - ESRI Terrain (2013). 70 Turkey Gulch ¨¦§ Silver Creek *Boundaries are based on the nature and Trail Creek Idaho Spring extent of contamination and are subject to change. ¨¦§70 Spring Gulch Colorado Chicago Creek Sawmill Gulch

Ute Creek Johnson Gulch Cascade Creek Little Bear Creek Barbour Fork

North Beaver Brook

Devils Canyon

Warren Gulch Beaver Brook

Beaver Brook Number 3A Reservoir Area Enlarged

SodaCreek Lewis Gulch West Chicago Creek

Lake Edith

South Chicago Creek Soda Creek

APPENDIX A: SITE DESCRIPTIONS

CENTRAL CITY/CLEAR CREEK CENTRAL CITY & IDAHO SPRINGS MINING DISTRICT, CLEAR CREEK & GILPIN COUNTIES

Description: The Central City/Clear Creek Superfund study area covers the 400-square mile drainage basin of Clear Creek, which has been affected by a number of inactive precious metal mines. To date, the Superfund investigation has focused on six priority mine drainage tunnels and more than 40 priority mine waste piles. The most significant environmental impacts are on the Clear Creek stream system, including a reduced fishery and impacts to other aquatic life and habitat. Acidic water draining from many mines contains a variety of heavy metals and mine wastes, which contribute to the non- point source impacts to the basin. Clear Creek is a drinking water source for more than 250,000 people living in the northern Denver metropolitan area and is used for kayaking, rafting, fishing, wildlife watching and gold panning. The human health hazards from this site involve the potential for exposure to heavy metals — primarily Pittsburg Waste Rock Pile lead, arsenic and cadmium — in surface water and soils.

Management and Funding: The department implements resulting in a fish kill on the main stem and compromising design and cleanup as the lead agency under several downstream water supplies. The funding for the project grants from the EPA (both 100 percent federal and 90/10 is in place and the project is scheduled to bid in percent federal/state funding). The cleanup costs are September 2014 with a construction start date in early borne by the EPA and the department, in a 90/10 percent November 2014. cost share, because the mining impacts in this basin are Quartz Hill is scheduled to be regraded and capped from companies that no longer exist. Argo Tunnel Water with a rock cover to prevent erosion in the summer of Treatment Plant operations and maintenance is fully 2014. The objective of this work is to reduce funded by the department. contaminated runoff into North Clear Creek. Construction of a mine water treatment plant along the Cleanup Status: Cleanup accomplishments include North Fork of Clear Creek to treat the Gregory Incline and capping or removal of more than 40 waste rock piles, National Tunnel discharges and Gregory Gulch surface construction of an on-site mine waste repository, closing water is expected to begin in 2015, pending finalization mine openings, conducting domestic well sampling, of a water use agreement with Black Hawk and Gilpin building a constructed wetlands to filter metals, and County. While EPA funding is available, in spring 2014 the constructing sediment retention dams. The department department halted the construction procurement process operates the Argo Tunnel Water Treatment Facility in due to the uncertainty of water use negotiations. Idaho Springs to treat the Argo and Big Five tunnel Maintenance of mine waste pile erosion control structures discharges and Virginia Canyon groundwater. The facility and the mine waste repository are ongoing. prevents approximately 900 pounds of metals per day from entering Clear Creek, thereby treating the single Estimated State-Funded Costs: The site cleanup largest point source of metals in the basin. In August decision documents are complete and therefore 2013, modifications were completed at the Argo facility projected costs for completion of Superfund Remedial to improve the efficiency. These changes should reduce Action can be estimated. In addition to the significant chemical usage, labor and sludge disposal, which may, remediation projects already completed, the over time, reduce the department’s operating costs. A department’s share of constructing the North Fork water flow-control bulkhead will be constructed in the Argo treatment plant, tunnel bulkhead installation, and Quartz Tunnel this fall. The bulkhead will prevent future Hill capping and related activities is estimated at uncontrolled surge events from the Argo Tunnel from $2,000,000 (see Appendix B). impacting Clear Creek. A surge event would likely overwhelm the Argo Tunnel Water Treatment Facility, Currently, the major operation and maintenance 13

APPENDIX A: SITE DESCRIPTIONS component at Clear Creek is operation of the Argo Tunnel Water Treatment Plant. The treatment plant began full operation in April 1998, with an annual operating cost of approximately $1,000,000. As of October 2009, the department is responsible for the full annual operating cost in perpetuity. The department also will be responsible for the treatment of the Gregory Incline and National Tunnel discharges. Engineering estimates of construction cost are approximately $19 million dollars. The department will be responsible for 10 percent of the construction cost. The current cost-estimate for operations and maintenance is $926,000 per year. The department will be responsible for 10 percent of the annual costs, or approximately $95,000 per year, for the first 10 years of operation, and the full annual cost beginning in 2025 and continuing in perpetuity. The department will also be responsible for 100 percent The Argo Tunnel Water Treatment Plant of the costs for operations and maintenance associated with maintaining covers and sediment control structures at several mine reclamation sites throughout the Clear Construction completion for the entire site is currently Creek basin. estimated to occur by December 2016, with deletion to follow. Schedule for Deletion:

CHEMICAL SALES COMPANY 4661 MONACO PARKWAY, DENVER COUNTY

Description: The Chemical Sales Company Superfund site Cleanup Status: After implementing numerous extends from the facility at 4661 Monaco Street, Denver, groundwater treatment technologies in 2011, the approximately five miles to the north. The site covers department’s contractor began conducting in-situ portions of the city and county of Denver, south Adams chemical oxidation injections. Groundwater contaminant County and Commerce City. Soil and shallow groundwater concentrations in Operable Units 1 and 2 are regularly at the facility are contaminated with chlorinated volatile sampled and reported to monitor the effectiveness of organic compounds and 1,4 dioxane. treatment. The next in-situ chemical oxidation treatment was scheduled for fall 2014. The department continues to Management and Funding: The management and funding monitor results and coal waste treatment technologies. of the Chemical Sales project was complex and shared by the Chemical Sales Company, the EPA and the Estimated State-Funded Remaining Clean-up Costs: In- department. Early in the project, Chemical Sales declared situ treatment of the groundwater costs $120,000 per bankruptcy, the EPA performed most of the remedial year, with the department share being $12,000. design for Operable Unit 1, and then turned management of the remainder of design and construction over to the Schedule for Deletion: Chemical oxidation is anticipated department. State oversight and management costs are to continue for at least one more year. A deletion funded through EPA grants requiring state matching funds schedule has not been established. (90 percent federal, 10 percent state). Cleanup costs are shared between the EPA and the department (90/10 percent). A portion of the cleanup costs was recovered through settlement consent decrees with the Chemical Sales Company and Interstate Distribution Center Associates, and a prospective purchaser agreement with G.L. Bryan Investments, Inc.

14 From: Jason Smith To: [email protected] Subject: Fwd: Site Visit Receipt Date: Tuesday, May 21, 2019 1:15:51 PM Attachments: 20190422150612158.pdf Untitled attachment 00524.htm

Hope this helps

Sent from my iPhone

Begin forwarded message:

From: Adam Springer Date: April 22, 2019 at 4:11:01 PM CDT To: "[email protected]" <[email protected]> Subject: Site Visit Receipt

Hi Jason,

Attached is your receipt from the site visit that I performed on Friday. Thanks for having me out on the property!

The following items were of note during my visit:

-Shooting range: The close proximity to the shooting range. There may be some concern regarding this. You may want to check with the State or Federal government to see if there are any type of setback regulations that need to be adhered to or any other safety concerns with being this close to a shooting range. -Geologic Hazards: It appears that a good portion of the subject property is in a Debris Fan. A geologic hazards analysis will be required as part of the application. -Screening: Even though there is already some good existing vegetation that is in place for screening. It may be beneficial to understand what you can do to ‘fill in the gaps’, from sight to the highway. -Sanitation and Water: It already appears that you have been looking into this.

Please let me know if you have any questions. One you feel confident in moving forward and have developed your request a bit more, your next step would be to set up a pre application meeting. I have provided a link below to our pre-application process guide for your convenience:

http://www.co.clear-creek.co.us/DocumentCenter/View/8106

Thanks,

Adam Springer Senior Planner Clear Creek County Planning Department 303-679-2361 [email protected]

Schoolfield Placer and Third National Mine Stanley Road Dumont, CO 80436

Inquiry Number: 5657064.2s May 20, 2019

The EDR Radius Map™ Report with GeoCheck®

6 Armstrong Road, 4th floor Shelton, CT 06484 Toll Free: 800.352.0050 www.edrnet.com

FORM-LBD-LMI TABLE OF CONTENTS

SECTION PAGE

Executive Summary ES1 Overview Map 2 Detail Map 3 Map Findings Summary 4 Map Findings 8 Orphan Summary 59 Government Records Searched/Data Currency Tracking GR-1

GEOCHECK ADDENDUM

Physical Setting Source Addendum A-1 Physical Setting Source Summary A-2 Physical Setting SSURGO Soil Map A-5 Physical Setting Source Map A-11 Physical Setting Source Map Findings A-13 Physical Setting Source Records Searched PSGR-1

Thank you for your business. Please contact EDR at 1-800-352-0050 with any questions or comments.

TC5657064.2s Page 1 EXECUTIVE SUMMARY

A search of available environmental records was conducted by Environmental Data Resources, Inc (EDR). The report was designed to assist parties seeking to meet the search requirements of EPA’s Standards and Practices for All Appropriate Inquiries (40 CFR Part 312), the ASTM Standard Practice for Environmental Site Assessments (E 1527-13), the ASTM Standard Practice for Environmental Site Assessments for Forestland or Rural Property (E 2247-16), the ASTM Standard Practice for Limited Environmental Due Diligence: Transaction Screen Process (E 1528-14) or custom requirements developed for the evaluation of environmental risk associated with a parcel of real estate.

TARGET PROPERTY INFORMATION

ADDRESS

STANLEY ROAD DUMONT, CO 80436

COORDINATES

Latitude (North): 39.7604520 - 39˚ 45’ 37.62’’ Longitude (West): 105.5773610 - 105˚ 34’ 38.49’’ Universal Tranverse Mercator: Zone 13 UTM X (Meters): 450543.4 UTM Y (Meters): 4401120.0 Elevation: 7842 ft. above sea level

USGS TOPOGRAPHIC MAP ASSOCIATED WITH TARGET PROPERTY

Target Property Map: 5958890 CENTRAL CITY, CO Version Date: 2013

South Map: 5958928 IDAHO SPRINGS, CO Version Date: 2013

AERIAL PHOTOGRAPHY IN THIS REPORT

Portions of Photo from: 20150919, 20150920 Source: USDA

TC5657064.2s EXECUTIVE SUMMARY 1 MAPPED SITES SUMMARY

Target Property Address: STANLEY ROAD DUMONT, CO 80452

Click on Map ID to see full detail.

MAP RELATIVE DIST (ft. & mi.) IDSITE NAME ADDRESS DATABASE ACRONYMS ELEVATION DIRECTION Reg CENTRAL CITY, CLEAR NEAR TOWN NPL, SEMS, US ENG CONTROLS, US INST CONTROL, ROD,...Same 1610, 0.305, WNW 1 STANLEY MINE MINES Lower 1 ft.

5657064.2s Page 2 EXECUTIVE SUMMARY

TARGET PROPERTY SEARCH RESULTS

The target property was not listed in any of the databases searched by EDR.

DATABASES WITH NO MAPPED SITES No mapped sites were found in EDR’s search of available ("reasonably ascertainable ") government records either on the target property or within the search radius around the target property for the following databases:

STANDARD ENVIRONMENTAL RECORDS

Federal NPL site list Proposed NPL Proposed National Priority List Sites NPL LIENS Federal Superfund Liens

Federal Delisted NPL site list Delisted NPL National Priority List Deletions

Federal CERCLIS list FEDERAL FACILITY Federal Facility Site Information listing

Federal CERCLIS NFRAP site list SEMS-ARCHIVE Superfund Enterprise Management System Archive

Federal RCRA CORRACTS facilities list CORRACTS Corrective Action Report

Federal RCRA non-CORRACTS TSD facilities list RCRA-TSDF RCRA - Treatment, Storage and Disposal

Federal RCRA generators list RCRA-LQG RCRA - Large Quantity Generators RCRA-SQG RCRA - Small Quantity Generators RCRA-CESQG RCRA - Conditionally Exempt Small Quantity Generator

Federal institutional controls / engineering controls registries LUCIS Land Use Control Information System

Federal ERNS list ERNS Emergency Response Notification System

TC5657064.2s EXECUTIVE SUMMARY 3 EXECUTIVE SUMMARY

State- and tribal - equivalent CERCLIS SHWS This state does not maintain a SHWS list. See the Federal CERCLIS list and Federal NPL list.

State and tribal landfill and/or solid waste disposal site lists SWF/LF Solid Waste Sites & Facilities

State and tribal leaking storage tank lists LTANKS Petroleum Release Events Listing LUST Leaking Underground Storage Tank List LAST Leaking Aboveground Storage Tank Listing INDIAN LUST Leaking Underground Storage Tanks on Indian Land LUST TRUST RAP Site Listing

State and tribal registered storage tank lists FEMA UST Underground Storage Tank Listing UST Underground Storage Tank Database AST Aboveground Tank List INDIAN UST Underground Storage Tanks on Indian Land

State and tribal institutional control / engineering control registries AUL Environmental Covenants and Environmental Use Restrictions List

State and tribal voluntary cleanup sites VCP Voluntary Cleanup & Redevelopment Act Application Tracking Report INDIAN VCP Voluntary Cleanup Priority Listing

State and tribal Brownfields sites BROWNFIELDS Brownfields Sites Listing

ADDITIONAL ENVIRONMENTAL RECORDS

Local Brownfield lists US BROWNFIELDS A Listing of Brownfields Sites

Local Lists of Landfill / Solid Waste Disposal Sites SWRCY Registered Recyclers Listing HIST LF Historical Landfill List INDIAN ODI Report on the Status of Open Dumps on Indian Lands DEBRIS REGION 9 Torres Martinez Reservation Illegal Dump Site Locations ODI Open Dump Inventory IHS OPEN DUMPS Open Dumps on Indian Land

Local Lists of Hazardous waste / Contaminated Sites US HIST CDL Delisted National Clandestine Laboratory Register

TC5657064.2s EXECUTIVE SUMMARY 4 EXECUTIVE SUMMARY

CDL Meth Lab Locations US CDL National Clandestine Laboratory Register

Local Land Records LIENS 2 CERCLA Lien Information

Records of Emergency Release Reports HMIRS Hazardous Materials Information Reporting System CO ERNS Spills Database SPILLS 90 SPILLS 90 data from FirstSearch

Other Ascertainable Records RCRA NonGen / NLR RCRA - Non Generators / No Longer Regulated FUDS Formerly Used Defense Sites DOD Department of Defense Sites SCRD DRYCLEANERS State Coalition for Remediation of Drycleaners Listing US FIN ASSUR Financial Assurance Information EPA WATCH LIST EPA WATCH LIST 2020 COR ACTION 2020 Corrective Action Program List TSCA Toxic Substances Control Act TRIS Toxic Chemical Release Inventory System SSTS Section 7 Tracking Systems RMP Risk Management Plans RAATS RCRA Administrative Action Tracking System PRP Potentially Responsible Parties PADS PCB Activity Database System ICIS Integrated Compliance Information System FTTS FIFRA/ TSCA Tracking System - FIFRA (Federal Insecticide, Fungicide, & Rodenticide Act)/TSCA (Toxic Substances Control Act) MLTS Material Licensing Tracking System COAL ASH DOE Steam-Electric Plant Operation Data COAL ASH EPA Coal Combustion Residues Surface Impoundments List PCB TRANSFORMER PCB Transformer Registration Database RADINFO Radiation Information Database HIST FTTS FIFRA/TSCA Tracking System Administrative Case Listing DOT OPS Incident and Accident Data CONSENT Superfund (CERCLA) Consent Decrees INDIAN RESERV Indian Reservations FUSRAP Formerly Utilized Sites Remedial Action Program UMTRA Uranium Mill Tailings Sites LEAD SMELTERS Lead Smelter Sites US AIRS Aerometric Information Retrieval System Facility Subsystem US MINES Mines Master Index File ABANDONED MINES Abandoned Mines FINDS Facility Index System/Facility Registry System DOCKET HWC Hazardous Waste Compliance Docket Listing UXO Unexploded Ordnance Sites ECHO Enforcement & Compliance History Information FUELS PROGRAM EPA Fuels Program Registered Listing AIRS Permitted Facility & Emissions Listing ASBESTOS Asbestos Abatement & Demolition Projects METHANE SITE Methane Site Investigations - Jefferson County 1980

TC5657064.2s EXECUTIVE SUMMARY 5 EXECUTIVE SUMMARY

Methane Investigation Methane Gas & Swamp Findings DRYCLEANERS Drycleaner Facilities Financial Assurance Financial Assurance Information Listing LEAD LEAD NPDES Permitted Facility Listing UIC Underground Injection Control UMTRA Uranium Mill Tailings Sites

EDR HIGH RISK HISTORICAL RECORDS

EDR Exclusive Records EDR MGP EDR Proprietary Manufactured Gas Plants EDR Hist Auto EDR Exclusive Historical Auto Stations EDR Hist Cleaner EDR Exclusive Historical Cleaners

EDR RECOVERED GOVERNMENT ARCHIVES

Exclusive Recovered Govt. Archives RGA LF Recovered Government Archive Solid Waste Facilities List RGA LUST Recovered Government Archive Leaking Underground Storage Tank

SURROUNDING SITES: SEARCH RESULTS Surrounding sites were identified in the following databases.

Elevations have been determined from the USGS Digital Elevation Model and should be evaluated on a relative (not an absolute) basis. Relative elevation information between sites of close proximity should be field verified. Sites with an elevation equal to or higher than the target property have been differentiated below from sites with an elevation lower than the target property. Page numbers and map identification numbers refer to the EDR Radius Map report where detailed data on individual sites can be reviewed.

Sites listed in bold italics are in multiple databases.

Unmappable (orphan) sites are not considered in the foregoing analysis. STANDARD ENVIRONMENTAL RECORDS

Federal NPL site list NPL: Also known as Superfund, the National Priority List database is a subset of CERCLIS and identifies over 1,200 sites for priority cleanup under the Superfund program. The source of this database is the U.S. EPA.

A review of the NPL list, as provided by EDR, and dated 04/11/2019 has revealed that there is 1 NPL site within approximately 1 mile of the target property.

______Equal/Higher Elevation ______Address Direction ______/ Distance Map _____ ID Page _____ CENTRAL CITY, CLEAR NEAR TOWN WNW 1/4 - 1/2 (0.305 mi.) 0 8 Cerclis ID:: 800257

TC5657064.2s EXECUTIVE SUMMARY 6 EXECUTIVE SUMMARY

EPA Id: COD980717557

Federal CERCLIS list SEMS: SEMS (Superfund Enterprise Management System) tracks hazardous waste sites, potentially hazardous waste sites, and remedial activities performed in support of EPA’s Superfund Program across the United States. The list was formerly know as CERCLIS, renamed to SEMS by the EPA in 2015. The list contains data on potentially hazardous waste sites that have been reported to the USEPA by states, municipalities, private companies and private persons, pursuant to Section 103 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). This dataset also contains sites which are either proposed to or on the National Priorities List (NPL) and the sites which are in the screening and assessment phase for possible inclusion on the NPL.

A review of the SEMS list, as provided by EDR, and dated 03/11/2019 has revealed that there is 1 SEMS site within approximately 0.5 miles of the target property.

______Equal/Higher Elevation ______Address Direction ______/ Distance Map _____ ID Page _____ CENTRAL CITY, CLEAR NEAR TOWN WNW 1/4 - 1/2 (0.305 mi.) 0 8 Site ID: 0800257 EPA Id: COD980717557

Federal institutional controls / engineering controls registries US ENG CONTROLS: A listing of sites with engineering controls in place.

A review of the US ENG CONTROLS list, as provided by EDR, and dated 01/31/2019 has revealed that there is 1 US ENG CONTROLS site within approximately 0.5 miles of the target property.

______Equal/Higher Elevation ______Address Direction ______/ Distance Map _____ ID Page _____ CENTRAL CITY, CLEAR NEAR TOWN WNW 1/4 - 1/2 (0.305 mi.) 0 8 EPA ID:: COD980717557 EPA ID:: COD980717557

US INST CONTROL: A listing of sites with institutional controls in place. Institutional controls include administrative measures, such as groundwater use restrictions, construction restrictions, property use restrictions, and post remediation care requirements intended to prevent exposure to contaminants remaining on site. Deed restrictions are generally required as part of the institutional controls.

A review of the US INST CONTROL list, as provided by EDR, and dated 01/31/2019 has revealed that there is 1 US INST CONTROL site within approximately 0.5 miles of the target property.

______Equal/Higher Elevation ______Address Direction ______/ Distance Map _____ ID Page _____ CENTRAL CITY, CLEAR NEAR TOWN WNW 1/4 - 1/2 (0.305 mi.) 0 8 EPA ID:: COD980717557

TC5657064.2s EXECUTIVE SUMMARY 7 EXECUTIVE SUMMARY

ADDITIONAL ENVIRONMENTAL RECORDS

Other Ascertainable Records ROD: Record of Decision. ROD documents mandate a permanent remedy at an NPL (Superfund) site containing technical and health information to aid the cleanup.

A review of the ROD list, as provided by EDR, and dated 03/11/2019 has revealed that there is 1 ROD site within approximately 1 mile of the target property.

______Equal/Higher Elevation ______Address Direction ______/ Distance Map _____ ID Page _____ CENTRAL CITY, CLEAR NEAR TOWN WNW 1/4 - 1/2 (0.305 mi.) 0 8 EPA ID:: COD980717557

MINES: This dataset represents permitted mines in the State of Colorado

A review of the MINES list, as provided by EDR, and dated 12/14/2018 has revealed that there is 1 MINES site within approximately 0.25 miles of the target property.

______Lower Elevation ______Address Direction ______/ Distance Map _____ ID Page _____ STANLEY MINE 0 - 1/8 (0.000 mi.) 1 58 Facility Id: M1981073

TC5657064.2s EXECUTIVE SUMMARY 8 EXECUTIVE SUMMARY

Due to poor or inadequate address information, the following sites were not mapped. Count: 1 records.

______Site Name ______Database(s) CLEAR CREEK DISTRIBUTING LUST TRUST

TC5657064.2s EXECUTIVE SUMMARY 9

0 0 9 2 8 6 0 0 6 0 8 8 00 8 8 9 8 8 6 0 8 4 8 4 4 0 7 0 0 1 0 8 8 4 0 8 6 6 6 8 7 0 8 8800 6 0 0 8 0 8 8 8 0 2 8 6 8 9 9 6 7 8 4 0 2 8 2 6 8 7 8 0 0 0 6 0 8 0 8 0 2 0 0 0 8 64 0 5 8 6 8 4 0 0 2 8 8 0 7 80 8 0 8 8 0 8 0 8 5 6 6 8 8 0 8 9 0 7 8 8 7 2 0 0 4 8 0 3 0 0 7 2 0 2 0 8 8 8 0 7 6 8 6 0 6 6 6 8 0 4 8 6 6 0 8 8 0 8 0 7 0 0 0 8 9 8 8 8 0 6 8 8

8 4 8 0 0 0 4 8 8 8 0 5 8 5 8 3 8 1 8 0 8 6 8 6 2 6 6 8 0 4 5 4 0 0 4 8 8520 8 8 8 0 4 8600 1 8 8 0 8 3 0 6 2 6 8 8 4 4 0 0 0 4 0 0 4 8 0 0 8 0 8 4 4 8 0 2 0 2 2 0 8 8 8 6 0 3 8 0 8 0 8 8 8 4 0 8120 0 0 0 4 5 4 5 8 0 0 5 0 0 0 7 7 2 8 6 8 0 6 2 6 6 8 2 4 8 2 0 6 8 0 8 8 0 8 0 2 8 2 6 7 0 8 6 8 0 4 8 6 0 5 4 0 8 8 0 8 4 0 5 8 8 0 0 0

8 8 0 9 8 8 8 2 8 8 8 0 0 8 0 8 0 0 4 8 9 0 8 0 2 4 6 8 0 8 8 8 6 8 0 4 9 0 000 0 0 6 4 8 0 8

6 8 0 4 4 8 8 0 0 1 8 2 2 4 5 6 0 8 8 8 0 0 0 0 8 7 0 8 8 4 0 0 6 8 0 0 8 0 6 8 8 0 2 0 0 7 7 4 0 6 8 0 0 8 0 0 7 8 2 0 8320 0 7 8 2 7960 0 4 8 4 0 8 3 0 8 8 8 0 4 3 3 6 8 0 0 2 83206 6 8 6 0 8

0 2 8 0 0 0 8 0 8

8 0 8 8

8 8 5

8 0 6 8 8 5 3 2 8 2 4 0

2 8 4 1 1 8

6 8 4 8 0 2 6 0 5 8 5 4

0 4 4 0 2 8 0 8 2 0 6 0 8 0 6 0 0 4 6 4 8 0 8 0 8 0 0 0 8 6 0 8 6 4 8 3 8 0 8 7 6 7 8 8 2 2 0 5 2 8 0 5 8 8 0 2 0 0 0 0 8760 8 0 6 0 0 4 2 8 4 8 848 8 8 0 0 0 0 5 0 0 7 8 08

6 6 0 0 800

8 8 8 5 0

0 0 6 00

2 0 0 0 4 0 3 4

8 0 0 6 0 2 0 8 8 8 1 2 8 2 83208 3 3 8 2 8 8 8 8 8 6 4 8 4 4 6 8 8 4 8 7 4 0 0 3 0 0 4 4 0 8 8 0 0 8 0 8 3 8 8 3 2 0 0 8 2 8 6 2 8 8 0 0 2 6 2 0 8 2 8 0 0 0 4 0 6 0 2 0 8 8 8 0 1 0 0 2 0 2 1 8 0 4 2 8 4 6 0 8 8 8 0

8 1 0 0 8 5 0 0 8 8 2 0 8 2 0 0 8 8 0

8 0 8 8 1 8 8 1 2 6 8 2 6 7 8 0 6 0 3 8 4

1 0 6 8 0 4 9 4 8 3

6 8 2 0 0 0 8 0 0 0

0 8 2 0 7 8 8 0 4 0 4 8 0

0 6

6 0 1 4 0 0

8 0 0 0 2 0 8 9 0 8 5 0 0 0 6 0 0 60 0 8 2 8 8 7 9 0 4 0 8 7 9 2 0 0 8 4 8 0 0 5 8 8 8 8 0 0 6 4 4 4 8 8 3 7 8 7 9 0 0 0 0 8 4 0 3 6 2 7 9 8 0 2 0 0 0 0 0 0 2 7 8 0 8 0 8 0 7 8 4 0 5 2 8 4 0 0 0 8 8

0 8 7 7 9 6 1 0 0 0 6 0 8 0 0 0 9 0 8 8 0 7 2

0 4 4

8 0 0 9 7880 0 2 8 8 1 2 0 0 7 6

8040 7960 9 9 4 8 8 6 0

0 1 8080 7

6 0 7 8 8 2 0 8 11 26 00 2 7 8 2 0 8 8 8 2 0 4 0 0 8 2 0 0 8 8240 4

8 82800 0 3 2 3 8 0 8 6 0 8 4 0 0 8 3 4 4 0 6 8 4 8 7 0 8 8 4 8 0 8 3 8 8 4 8 8 8 0 5 2 0 0 4 8 8 0 8 4 8 4 8 8 4 4 8560 0 6 4 2 2 2 8 0 0 1 1 4 7 0 7 8 0 3 8 7 8 8 8 3 0 8 4 0 6 2 2 8 0 9 0 4 0 2 2 2 0 0 0 2 8 0 0 8 4 8 0 8 8 0 0 8 8 0 6 8 8 0 8 0 0 8 1 0 0 0 7 8 6 3 7 8 6 0 7 0 2 0 2 8 8 4 8 2 0 7 6 0 8 8 8 9 2 3 0 1 4 8 0 7 8 0 0 8 0 0 1 8 6 7 8 4 0 8000 0 8 8 7 2 2 0 5 8 6 0 8 7 0 0 8 0 0 7 2 6 8 8 2 0 8 0 8 7 6 0 8 0 0 8 4 0 8 8 5 0 1 2 0 2 0 0 6 0 0 8200 0 0 7 4 0 4 6 6 8080 0 9 8 2 4 6 8 6 0 8 80 6 7 0 8 0 0 7 0 0 1 0 0 8 0 0 8 0 0 9 8 6 8 7760 0 6 7 0 8 2 7920 0 8 8 4 80007960 8 0 0 7 0 0 8 8 2 8 0 7 7 97 9 0 8 0 8 8 0 2 6 8 9 0 8 8 0 0 8 8 4 0 0 0 8 8 8 8 8 0 4 0 0 9 2 0 0 8 0 8 8 0 9 0 0 0 8 8 38 3 2 8 2 8 8 9 8 7 8 8 6 8 6 4 8 8 4 6 0 0 0 0 0 8 0 0 0 6 07 2 0 8 0 0 4 0 0 4 0 9 2 0 4 4 0 0 9 1 0 8 9 8 0 9 1 6 0 8 9 7 7 9 6 9 0 0 2 0 0 9 2 0 7 9 1 1 2 9 6 0 2 9 2 6 9 9 7 0 0 8 9 7 0 0 0 0 27 77 4 7 7 0 0 08 88 6 9 0 7 7 9 2 4 0 8 4 0 0 9 3 2 8 0 9 2 2 9 3 0 8 20 9 0 0 0 9 4 4 6 0 8 1 2 3 0 4 0 0 1 0 6 9 4 8 0 0 9 0 8 2 0 6 0 8 9520 4 8 0 8 0 9 0 8 2 4 0 2 7 9560 9 8 3 0 8 2 4 0 8 0 6 0 9 6 0 0 0 8 0 8 3 2 0 8 2 8 8 82 10 60 7 2 9 6 4 0 4 8 6 0 8 1 02

9 0 6 8 0 4 4 0 0 88 0 0 9 9720 8 8 0 0 8 0 8 9 8 5 4 8 4 0 6 5 2 8 0 0 0 0 0 0 0 0 0 6 0 8 20 0 6 4 8 68 6 4 6 8 0 8 0 1 7

9 9 0 9 0 8 8 6 8 4 0 0 8 7 7 8

6 9 6 4 0 8 6 0 8 2 8 0 9 7 4 0 8 0 00 9 2 8 0 2 1 8 1 0 8 0 9 0 6 2 0 8 0 8 1 2 06 8 0 2 9 6 4 5 6 8 8 7 0 6 0 2 6 0 0 7 9 0 0 8 0 0 2 1 0 0 0 9 5 9 8 8 4 8 0 0 4 2 0 7 0 8 2 0 0 9 4 0 2 8 6 4 0 8 0 2 8 4 8 8 0 8 7 8 6 2 2 8 9 0 8 8 8 8 0 0 4 4 3 3 0 8 2 0 4 8 8 0 6 0 8 1 0 0 0 8 3 1 6 0 0 0 8 2 0 2 8 0 8 0 8 8 8 8 9 8 0 4 8 8 0 0 0 3 2 8 2 9 4 0 0 6 0 8 8 9 3 9 9 2 0 8 0 9 9 0 4 3 9 9 6 0 4 0 6 2 9 1 1 0 7 8 8 0 6 4 0 9 9 0 8 9 9 2 6 2 8 9 8 6 0 2 8 8 5 6 2 3 0 2 0 0 0 0 0 4 8 0 0 0 5 6 8 0 8 2 4 0 0 4 8 8 8 6 0 0 0 0 0 0 6 0 0 0 0 4 0 8 0 6 4 0 0 8 9 8 2 8 4 6 8 6 8 0 0 6 5 5 8 8 4 2 0 8 8 4 7 2 0 2 4 9 4 0 8 8 5 8 0 0 4 9 4 8 0 8 2 0 9 5 2 9 1 9 8 8 4 6 9 0 0 2 0 8 1 8 2 8 0 6 0 3 9 3 6 0 9 0 0 6 0 9 3 0 0 1 9 0 8 9 6 0 8 4 9 4 9 2 6 0 0 9 9 9 2 4 0 0 4 0 0 8 9 2 0 0 0 0 8 2 8 8 8 4 0 8 7 8 6 0 0 6 0 8 8 0 0 8 8 8 6 4 0 8 7 8 8 8 6 8 8 7 6 0 0 0 0 8 9 9 0 7 6 0 8 7 2 0 8 8 4 0 8 0 6 0 0 0 8 8 8 8 8 6 0 0 00 0 8 9 0 0 8 9 2 9 8 0 8 0 60 4 0 0 4 9 8 8 8 8 9 8

EDR Inc. 8280

8360 8400

8560

8320 8520

8440

8280 8760 8640 8720 8320 8480

8160 8200 8520 8680

8440

8160 8240

8040

8120 8400 8080 7960 8000

8360 78807920 8280

7920 8000 8120 8000 7880 7840 7960

8160

8240

0 8120

8080

8360 7800

8040

7840 8560 7920796

8000 7800 8200 8720 8760 8800 8080

8240 7920 7960 8320 8280 8000 8320 8360 8120 8040 8160 8960 8440

8760 8600 9040 8640 8520 8600 8400 8720 8680 8520 8480 9160 8880 8480

8280

8840

EDR Inc. MAP FINDINGS SUMMARY

Search Distance Target Total Database(Miles) Property < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted

STANDARD ENVIRONMENTAL RECORDS

Federal NPL site list NPL 1.000 0 0 1 0 NR 1 Proposed NPL 1.000 0 0 0 0 NR 0 NPL LIENS 0.001 0 NR NR NR NR 0 Federal Delisted NPL site list Delisted NPL 1.000 0 0 0 0 NR 0 Federal CERCLIS list FEDERAL FACILITY 0.500 0 0 0 NR NR 0 SEMS 0.500 0 0 1 NR NR 1 Federal CERCLIS NFRAP site list SEMS-ARCHIVE 0.500 0 0 0 NR NR 0 Federal RCRA CORRACTS facilities list CORRACTS 1.000 0 0 0 0 NR 0 Federal RCRA non-CORRACTS TSD facilities list RCRA-TSDF 0.500 0 0 0 NR NR 0 Federal RCRA generators list RCRA-LQG 0.250 0 0 NR NR NR 0 RCRA-SQG 0.250 0 0 NR NR NR 0 RCRA-CESQG 0.250 0 0 NR NR NR 0 Federal institutional controls / engineering controls registries LUCIS 0.500 0 0 0 NR NR 0 US ENG CONTROLS 0.500 0 0 1 NR NR 1 US INST CONTROL 0.500 0 0 1 NR NR 1 Federal ERNS list ERNS 0.001 0 NR NR NR NR 0 State- and tribal - equivalent CERCLIS SHWS N/A N/A N/A N/A N/A N/A N/A State and tribal landfill and/or solid waste disposal site lists SWF/LF 0.500 0 0 0 NR NR 0 State and tribal leaking storage tank lists LTANKS 0.500 0 0 0 NR NR 0 LUST 0.500 0 0 0 NR NR 0 LAST 0.500 0 0 0 NR NR 0 INDIAN LUST 0.500 0 0 0 NR NR 0

TC5657064.2s Page 4 MAP FINDINGS SUMMARY

Search Distance Target Total Database(Miles) Property < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted

LUST TRUST 0.500 0 0 0 NR NR 0 State and tribal registered storage tank lists FEMA UST 0.250 0 0 NR NR NR 0 UST 0.250 0 0 NR NR NR 0 AST 0.250 0 0 NR NR NR 0 INDIAN UST 0.250 0 0 NR NR NR 0 State and tribal institutional control / engineering control registries AUL 0.500 0 0 0 NR NR 0 State and tribal voluntary cleanup sites VCP 0.500 0 0 0 NR NR 0 INDIAN VCP 0.500 0 0 0 NR NR 0 State and tribal Brownfields sites BROWNFIELDS 0.500 0 0 0 NR NR 0

ADDITIONAL ENVIRONMENTAL RECORDS

Local Brownfield lists US BROWNFIELDS 0.500 0 0 0 NR NR 0 Local Lists of Landfill / Solid Waste Disposal Sites SWRCY 0.500 0 0 0 NR NR 0 HIST LF 0.500 0 0 0 NR NR 0 INDIAN ODI 0.500 0 0 0 NR NR 0 DEBRIS REGION 9 0.500 0 0 0 NR NR 0 ODI 0.500 0 0 0 NR NR 0 IHS OPEN DUMPS 0.500 0 0 0 NR NR 0 Local Lists of Hazardous waste / Contaminated Sites US HIST CDL 0.001 0 NR NR NR NR 0 CDL 0.001 0 NR NR NR NR 0 US CDL 0.001 0 NR NR NR NR 0 Local Land Records LIENS 2 0.001 0 NR NR NR NR 0 Records of Emergency Release Reports HMIRS 0.001 0 NR NR NR NR 0 CO ERNS 0.001 0 NR NR NR NR 0 SPILLS 90 0.001 0 NR NR NR NR 0 Other Ascertainable Records RCRA NonGen / NLR 0.250 0 0 NR NR NR 0 FUDS 1.000 0 0 0 0 NR 0

TC5657064.2s Page 5 MAP FINDINGS SUMMARY

Search Distance Target Total Database(Miles) Property < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted

DOD 1.000 0 0 0 0 NR 0 SCRD DRYCLEANERS 0.500 0 0 0 NR NR 0 US FIN ASSUR 0.001 0 NR NR NR NR 0 EPA WATCH LIST 0.001 0 NR NR NR NR 0 2020 COR ACTION 0.250 0 0 NR NR NR 0 TSCA 0.001 0 NR NR NR NR 0 TRIS 0.001 0 NR NR NR NR 0 SSTS 0.001 0 NR NR NR NR 0 ROD 1.000 0 0 1 0 NR 1 RMP 0.001 0 NR NR NR NR 0 RAATS 0.001 0 NR NR NR NR 0 PRP 0.001 0 NR NR NR NR 0 PADS 0.001 0 NR NR NR NR 0 ICIS 0.001 0 NR NR NR NR 0 FTTS 0.001 0 NR NR NR NR 0 MLTS 0.001 0 NR NR NR NR 0 COAL ASH DOE 0.001 0 NR NR NR NR 0 COAL ASH EPA 0.500 0 0 0 NR NR 0 PCB TRANSFORMER 0.001 0 NR NR NR NR 0 RADINFO 0.001 0 NR NR NR NR 0 HIST FTTS 0.001 0 NR NR NR NR 0 DOT OPS 0.001 0 NR NR NR NR 0 CONSENT 1.000 0 0 0 0 NR 0 INDIAN RESERV 0.001 0 NR NR NR NR 0 FUSRAP 1.000 0 0 0 0 NR 0 UMTRA 0.500 0 0 0 NR NR 0 LEAD SMELTERS 0.001 0 NR NR NR NR 0 US AIRS 0.001 0 NR NR NR NR 0 US MINES 0.250 0 0 NR NR NR 0 ABANDONED MINES 0.001 0 NR NR NR NR 0 FINDS 0.001 0 NR NR NR NR 0 DOCKET HWC 0.001 0 NR NR NR NR 0 UXO 1.000 0 0 0 0 NR 0 ECHO 0.001 0 NR NR NR NR 0 FUELS PROGRAM 0.250 0 0 NR NR NR 0 AIRS 0.001 0 NR NR NR NR 0 ASBESTOS 0.001 0 NR NR NR NR 0 METHANE SITE 0.001 0 NR NR NR NR 0 Methane Investigation 0.001 0 NR NR NR NR 0 DRYCLEANERS 0.250 0 0 NR NR NR 0 Financial Assurance 0.001 0 NR NR NR NR 0 LEAD 0.001 0 NR NR NR NR 0 MINES 0.250 1 0 NR NR NR 1 NPDES 0.001 0 NR NR NR NR 0 UIC 0.001 0 NR NR NR NR 0 UMTRA 0.500 0 0 0 NR NR 0

EDR HIGH RISK HISTORICAL RECORDS

EDR Exclusive Records EDR MGP 1.000 0 0 0 0 NR 0

TC5657064.2s Page 6 MAP FINDINGS SUMMARY

Search Distance Target Total Database(Miles) Property < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted

EDR Hist Auto 0.125 0 NR NR NR NR 0 EDR Hist Cleaner 0.125 0 NR NR NR NR 0

EDR RECOVERED GOVERNMENT ARCHIVES

Exclusive Recovered Govt. Archives RGA LF 0.001 0 NR NR NR NR 0 RGA LUST 0.001 0 NR NR NR NR 0

- Totals -- 0 1 0 5 0 0 6

NOTES: TP = Target Property NR = Not Requested at this Search Distance Sites may be listed in more than one database N/A = This State does not maintain a SHWS list. See the Federal CERCLIS list.

TC5657064.2s Page 7 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

NPL CENTRAL CITY, CLEAR CREEK NPL 1000419117 Region NEAR TOWN SEMS COD980717557 WNW IDAHO SPRINGS, CO 80452 US ENG CONTROLS 1/4-1/2 US INST CONTROL 1610 ft. ROD PRP NPL: EPA ID: COD980717557 Cerclis ID: 800257 EPA Region: 8 Federal: N Final Date: 1983-09-08 00:00:00 Site Score: 51.390000000000001 Latitude: 39.771819999999998 Longitude: -105.51817

Category Details: NPL Status: Currently on the Final NPL Category Description: Depth To Aquifer-<= 10 Feet Category Value: 0

NPL Status: Currently on the Final NPL Category Description: Distance To Nearest Population-> 1/4 And <= 1/2 Mile Category Value: 2000

Site Details: Site Name: CENTRAL CITY, CLEAR CREEK Site Status: Final Site Zip: 80452 Site City: IDAHO SPRINGS Site State: CO Federal Site: No Site County: CLEAR CREEK EPA Region: 08 Date Proposed: 12/30/82 Date Deleted: Not reported Date Finalized: 09/08/83

Substance Details: NPL Status: Currently on the Final NPL Substance ID: Not reported Substance: Not reported CAS #: Not reported Pathway: Not reported Scoring: Not reported

NPL Status: Currently on the Final NPL Substance ID: C151 Substance: IRON AND COMPOUNDS CAS #: Not reported Pathway: NO PATHWAY INDICATED Scoring: 1

NPL Status: Currently on the Final NPL Substance ID: C178 Substance: COPPER AND COMPOUNDS CAS #: Not reported

TC5657064.2s Page 8 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Pathway: NO PATHWAY INDICATED Scoring: 1

NPL Status: Currently on the Final NPL Substance ID: C201 Substance: MANGANESE AND COMPOUNDS CAS #: Not reported Pathway: NO PATHWAY INDICATED Scoring: 1

NPL Status: Currently on the Final NPL Substance ID: C247 Substance: ZINC AND COMPOUNDS CAS #: Not reported Pathway: NO PATHWAY INDICATED Scoring: 1

NPL Status: Currently on the Final NPL Substance ID: D006 Substance: CADMIUM (CD) CAS #: 7440-43-9 Pathway: GROUND WATER PATHWAY Scoring: 3

NPL Status: Currently on the Final NPL Substance ID: D006 Substance: CADMIUM (CD) CAS #: 7440-43-9 Pathway: SURFACE WATER PATHWAY Scoring: 3

NPL Status: Currently on the Final NPL Substance ID: D008 Substance: LEAD (PB) CAS #: 7439-92-1 Pathway: NO PATHWAY INDICATED Scoring: 1

Summary Details: Conditions at listing July 1982): The Central City-Clear Creek Site is in Gilpin County in north central Colorado. It consists of a limited number of abandoned gold mines near Central City and the Argo Tunnel in Idaho Springs. Completed in1904, the 4-mile tunnel drains ground water from 30 or more inactive mines. Acid drainage containing heavy metals cadmium, copper, iron, lead, manganese, and inc) flows from the mines near Central City and the tunnel into Clear Creek, an important source of industrial, recreational, agricultural, and drinking water. In May 1980, a large discharge blow-out ) from the tunnel affected downstream users. Wells supplying drinking water are also contaminated. Status July 1983): EPA plans to spend about 75,000 to conduct 1) a remedial investigation to determine the quality, quantity, and seasonal variations of flows from the mines and tunnel and 2) a feasibility study to identify alternatives for treating or preventing the continuous discharge and for preventing blow-outs. The work is scheduled to be completed in the first quarter of 1985. Site Status Details: NPL Status: Final

TC5657064.2s Page 9 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Proposed Date: 12/30/1982 Final Date: 09/08/1983 Deleted Date: Not reported

Narratives Details: NPL Name: CENTRAL CITY, CLEAR CREEK City: IDAHO SPRINGS State: CO

SEMS: Site ID: 0800257 EPA ID: COD980717557 Cong District: 02 FIPS Code: 08019 Latitude: +39.771820 Longitude: -105.518170 FF: N NPL: Currently on the Final NPL Non NPL Status: Not reported SEMS Detail: Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: MA Action Name: ST COOP SEQ: 2 Start Date: 2018-09-24 04:00:00 Finish Date: Not reported Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: LR Action Name: LT RESP SEQ: 2 Start Date: 2018-03-01 05:00:00 Finish Date: Not reported Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F

TC5657064.2s Page 10 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 FF: N OU: 00 Action Code: AS Action Name: AIR SRVY SEQ: 1 Start Date: 1991-03-18 05:00:00 Finish Date: 6/25/1991 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: SI Action Name: SI SEQ: 1 Start Date: 1982-06-01 04:00:00 Finish Date: 6/1/1982 4:00:00 AM Qual: H Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RA Action Name: RA SEQ: 2 Start Date: 1992-09-30 04:00:00 Finish Date: 2/12/1997 5:00:00 AM Qual: L Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: AR Action Name: ADMIN REC SEQ: 5 Start Date: 1991-09-17 04:00:00 Finish Date: 9/17/1991 4:00:00 AM Qual: V Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 02 Action Code: AR Action Name: ADMIN REC SEQ: 1 Start Date: 1987-09-30 04:00:00 Finish Date: 5/8/1988 4:00:00 AM Qual: E Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 02 Action Code: RA Action Name: RA SEQ: 1 Start Date: 1989-03-29 05:00:00 Finish Date: 9/30/1991 4:00:00 AM Qual: L Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 01 Action Code: TA Action Name: TECH ASSIST SEQ: 1 Start Date: 1986-07-15 04:00:00 Finish Date: 1/18/1994 5:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: RS Action Name: RV ASSESS SEQ: 3 Start Date: 1993-02-18 05:00:00 Finish Date: 9/9/1993 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: TG Action Name: TA GRANT SEQ: 1 Start Date: 1994-09-23 04:00:00 Finish Date: 5/18/2001 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: TA Action Name: TECH ASSIST SEQ: 9 Start Date: 1994-08-02 04:00:00 Finish Date: 7/29/1996 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: RV Action Name: RMVL SEQ: 2 Start Date: 1987-09-30 04:00:00 Finish Date: 12/9/1988 5:00:00 AM Qual: S Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: TA Action Name: TECH ASSIST SEQ: 4 Start Date: 1989-12-19 05:00:00 Finish Date: 1/9/1997 5:00:00 AM

TC5657064.2s Page 13 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: TA Action Name: TECH ASSIST SEQ: 14 Start Date: 1997-06-05 04:00:00 Finish Date: 9/30/2002 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: TA Action Name: TECH ASSIST SEQ: 8 Start Date: 1994-05-31 04:00:00 Finish Date: 6/16/1994 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: TA Action Name: TECH ASSIST SEQ: 5 Start Date: 1990-12-27 05:00:00 Finish Date: Not reported Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 01 Action Code: TA Action Name: TECH ASSIST

TC5657064.2s Page 14 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 SEQ: 3 Start Date: 1989-09-07 04:00:00 Finish Date: 6/30/1994 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 01 Action Code: TA Action Name: TECH ASSIST SEQ: 2 Start Date: 1988-06-27 04:00:00 Finish Date: 1/9/1997 5:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: NP Action Name: PROPOSED SEQ: 1 Start Date: 1982-12-30 05:00:00 Finish Date: 12/30/1982 5:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RO Action Name: ROD SEQ: 3 Start Date: 1991-09-30 04:00:00 Finish Date: 9/30/1991 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N

TC5657064.2s Page 15 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 OU: 00 Action Code: NF Action Name: NPL FINL SEQ: 1 Start Date: 1983-09-08 04:00:00 Finish Date: 9/8/1983 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 01 Action Code: RO Action Name: ROD SEQ: 1 Start Date: 1987-09-30 04:00:00 Finish Date: 9/30/1987 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: DS Action Name: DISCVRY SEQ: 1 Start Date: 1982-03-01 05:00:00 Finish Date: 3/1/1982 5:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 02 Action Code: FS Action Name: FS SEQ: 3 Start Date: 1987-04-09 04:00:00 Finish Date: 3/31/1988 5:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 01 Action Code: AR Action Name: ADMIN REC SEQ: 3 Start Date: 1987-10-01 04:00:00 Finish Date: 10/1/1987 4:00:00 AM Qual: V Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: CR Action Name: CI SEQ: 1 Start Date: 1985-12-31 06:00:00 Finish Date: 6/30/1986 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: CR Action Name: CI SEQ: 3 Start Date: 1996-09-27 04:00:00 Finish Date: 4/22/2015 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: CR Action Name: CI SEQ: 2 Start Date: 1988-12-01 05:00:00 Finish Date: 5/30/1989 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

TC5657064.2s Page 17 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: TA Action Name: TECH ASSIST SEQ: 17 Start Date: 2016-11-28 05:00:00 Finish Date: Not reported Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: TA Action Name: TECH ASSIST SEQ: 16 Start Date: 2013-12-20 05:00:00 Finish Date: Not reported Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RS Action Name: RV ASSESS SEQ: 6 Start Date: 2016-03-07 05:00:00 Finish Date: 9/21/2016 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RV Action Name: RMVL SEQ: 11 Start Date: 2016-03-07 05:00:00 Finish Date: 11/10/2016 5:00:00 AM

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 02 Action Code: RO Action Name: ROD SEQ: 2 Start Date: 1988-03-31 05:00:00 Finish Date: 3/31/1988 5:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 02 Action Code: RD Action Name: RD SEQ: 2 Start Date: 1988-06-27 04:00:00 Finish Date: 3/29/1989 5:00:00 AM Qual: L Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RV Action Name: RMVL SEQ: 7 Start Date: 2008-05-05 04:00:00 Finish Date: 9/19/2008 4:00:00 AM Qual: S Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: TA Action Name: TECH ASSIST

TC5657064.2s Page 19 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 SEQ: 15 Start Date: 2011-07-11 05:00:00 Finish Date: Not reported Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RV Action Name: RMVL SEQ: 10 Start Date: 2011-10-15 04:00:00 Finish Date: 11/15/2011 5:00:00 AM Qual: C Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RV Action Name: RMVL SEQ: 9 Start Date: 2011-10-15 04:00:00 Finish Date: 11/15/2011 5:00:00 AM Qual: C Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RV Action Name: RMVL SEQ: 8 Start Date: 2010-06-15 05:00:00 Finish Date: 9/15/2010 4:00:00 AM Qual: C Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N

TC5657064.2s Page 20 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 OU: 00 Action Code: FE Action Name: 5 YEAR SEQ: 5 Start Date: 2014-07-16 04:00:00 Finish Date: 11/3/2017 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RS Action Name: RV ASSESS SEQ: 5 Start Date: 2009-04-15 04:00:00 Finish Date: 6/15/2010 5:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 01 Action Code: FS Action Name: FS SEQ: 2 Start Date: 1986-09-17 04:00:00 Finish Date: 9/30/1987 4:00:00 AM Qual: L Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 01 Action Code: JF Action Name: ECO RISK SEQ: 1 Start Date: 2000-07-28 04:00:00 Finish Date: 11/14/2001 5:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557

TC5657064.2s Page 21 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: PA Action Name: PA SEQ: 1 Start Date: 1982-07-01 04:00:00 Finish Date: 7/1/1982 4:00:00 AM Qual: L Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RS Action Name: RV ASSESS SEQ: 4 Start Date: 2006-07-19 04:00:00 Finish Date: 8/29/2006 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: RS Action Name: RV ASSESS SEQ: 1 Start Date: 1990-08-30 04:00:00 Finish Date: 8/30/1990 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: FE Action Name: 5 YEAR SEQ: 3 Start Date: 2004-04-28 04:00:00 Finish Date: 9/29/2004 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: OF Action Name: O AND F SEQ: 1 Start Date: 1998-12-01 05:00:00 Finish Date: 9/28/1999 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: FE Action Name: 5 YEAR SEQ: 1 Start Date: 1993-08-09 04:00:00 Finish Date: 3/30/1994 5:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RO Action Name: ROD SEQ: 4 Start Date: 2004-09-29 04:00:00 Finish Date: 9/29/2004 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: FE Action Name: 5 YEAR SEQ: 2 Start Date: 1998-12-02 05:00:00 Finish Date: 3/26/1999 5:00:00 AM

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: RV Action Name: RMVL SEQ: 3 Start Date: 1991-08-01 04:00:00 Finish Date: 9/14/1991 4:00:00 AM Qual: C Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: FE Action Name: 5 YEAR SEQ: 4 Start Date: 2007-05-01 04:00:00 Finish Date: 9/29/2009 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RV Action Name: RMVL SEQ: 6 Start Date: 2004-07-20 04:00:00 Finish Date: 4/4/2006 4:00:00 AM Qual: S Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: TA Action Name: TECH ASSIST

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 SEQ: 11 Start Date: 1988-06-22 04:00:00 Finish Date: 1/9/1997 5:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: TA Action Name: TECH ASSIST SEQ: 10 Start Date: 1994-09-26 04:00:00 Finish Date: 9/30/1999 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: TA Action Name: TECH ASSIST SEQ: 7 Start Date: 1991-03-04 05:00:00 Finish Date: 6/30/1994 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 01 Action Code: TA Action Name: TECH ASSIST SEQ: 6 Start Date: 1990-12-30 05:00:00 Finish Date: 9/30/1991 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 OU: 00 Action Code: HR Action Name: HAZRANK SEQ: 1 Start Date: 1982-12-01 05:00:00 Finish Date: 12/1/1982 5:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: TA Action Name: TECH ASSIST SEQ: 12 Start Date: 1995-11-02 05:00:00 Finish Date: 5/30/2003 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RV Action Name: RMVL SEQ: 4 Start Date: 1996-08-12 04:00:00 Finish Date: 11/12/1996 5:00:00 AM Qual: C Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: RV Action Name: RMVL SEQ: 1 Start Date: 1987-03-27 05:00:00 Finish Date: 4/29/1987 4:00:00 AM Qual: S Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: RS Action Name: RV ASSESS SEQ: 2 Start Date: 1991-01-01 05:00:00 Finish Date: 7/2/1991 4:00:00 AM Qual: Not reported Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 01 Action Code: RI Action Name: RI SEQ: 1 Start Date: 1983-09-23 04:00:00 Finish Date: 4/9/1987 4:00:00 AM Qual: L Current Action Lead: EPA Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BF Action Name: PRP RA SEQ: 5 Start Date: 1999-01-28 05:00:00 Finish Date: 8/25/2000 4:00:00 AM Qual: Not reported Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BF Action Name: PRP RA SEQ: 4 Start Date: 1998-09-17 04:00:00 Finish Date: 1/27/2000 5:00:00 AM Qual: Not reported Current Action Lead: EPA Ovrsght

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BB Action Name: PRP RV SEQ: 7 Start Date: 1995-06-08 04:00:00 Finish Date: 6/9/1995 4:00:00 AM Qual: S Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BB Action Name: PRP RV SEQ: 6 Start Date: 1995-10-30 05:00:00 Finish Date: 4/19/1996 4:00:00 AM Qual: C Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BB Action Name: PRP RV SEQ: 4 Start Date: 1993-12-15 05:00:00 Finish Date: 4/29/1994 4:00:00 AM Qual: C Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BB Action Name: PRP RV SEQ: 3 Start Date: 1993-12-08 05:00:00 Finish Date: 6/9/1994 4:00:00 AM

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Qual: C Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BB Action Name: PRP RV SEQ: 2 Start Date: 1993-08-23 04:00:00 Finish Date: 9/23/1994 4:00:00 AM Qual: C Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BB Action Name: PRP RV SEQ: 1 Start Date: 1993-06-15 04:00:00 Finish Date: 6/16/1993 4:00:00 AM Qual: C Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BB Action Name: PRP RV SEQ: 8 Start Date: 1996-09-21 04:00:00 Finish Date: 11/10/1996 5:00:00 AM Qual: C Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BB Action Name: PRP RV

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 SEQ: 5 Start Date: 1994-01-04 05:00:00 Finish Date: 4/29/1994 4:00:00 AM Qual: C Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: OM Action Name: OM SEQ: 1 Start Date: 2017-05-02 04:00:00 Finish Date: Not reported Qual: Not reported Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BF Action Name: PRP RA SEQ: 1 Start Date: 1994-07-25 04:00:00 Finish Date: 2/23/1995 5:00:00 AM Qual: Not reported Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 00 Action Code: PJ Action Name: RP EM REM SEQ: 1 Start Date: 2006-07-17 04:00:00 Finish Date: 8/29/2006 4:00:00 AM Qual: C Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 OU: 03 Action Code: BB Action Name: PRP RV SEQ: 9 Start Date: 2004-07-22 04:00:00 Finish Date: 1/5/2006 5:00:00 AM Qual: C Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BF Action Name: PRP RA SEQ: 6 Start Date: 1998-05-22 04:00:00 Finish Date: 3/29/1999 5:00:00 AM Qual: Not reported Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BF Action Name: PRP RA SEQ: 3 Start Date: 1997-11-17 05:00:00 Finish Date: 9/28/1999 4:00:00 AM Qual: Not reported Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: BF Action Name: PRP RA SEQ: 2 Start Date: 1998-05-21 04:00:00 Finish Date: 9/24/1998 4:00:00 AM Qual: Not reported Current Action Lead: EPA Ovrsght

Region: 08 Site ID: 0800257 EPA ID: COD980717557

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RV Action Name: RMVL SEQ: 5 Start Date: 1998-09-21 04:00:00 Finish Date: 12/14/1998 5:00:00 AM Qual: C Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 02 Action Code: RD Action Name: RD SEQ: 4 Start Date: 1995-09-21 04:00:00 Finish Date: 5/21/1999 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RA Action Name: RA SEQ: 5 Start Date: 1993-09-29 04:00:00 Finish Date: 5/9/2013 4:00:00 AM Qual: IR Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RA Action Name: RA SEQ: 3 Start Date: 1993-09-29 04:00:00 Finish Date: 1/6/1995 5:00:00 AM Qual: Not reported Current Action Lead: St Perf

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 01 Action Code: MA Action Name: ST COOP SEQ: 1 Start Date: 1985-07-10 05:00:00 Finish Date: 6/15/1988 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RI Action Name: RI SEQ: 2 Start Date: 1988-06-15 04:00:00 Finish Date: 9/21/1990 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: AR Action Name: ADMIN REC SEQ: 4 Start Date: 1988-09-01 04:00:00 Finish Date: 9/30/1991 4:00:00 AM Qual: E Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: FS Action Name: FS SEQ: 1 Start Date: 1986-09-01 04:00:00 Finish Date: 9/30/1991 4:00:00 AM

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Qual: L Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 02 Action Code: RA Action Name: RA SEQ: 9 Start Date: 1997-09-15 04:00:00 Finish Date: 8/25/2000 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RA Action Name: RA SEQ: 4 Start Date: 1993-09-29 04:00:00 Finish Date: 9/28/1999 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RD Action Name: RD SEQ: 3 Start Date: 1991-09-30 04:00:00 Finish Date: 9/25/2008 4:00:00 AM Qual: L Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 01 Action Code: RD Action Name: RD

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 SEQ: 1 Start Date: 1988-06-15 04:00:00 Finish Date: 9/30/1991 4:00:00 AM Qual: H Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RD Action Name: RD SEQ: 20 Start Date: 2012-03-13 04:00:00 Finish Date: 9/30/2013 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RA Action Name: RA SEQ: 24 Start Date: 2014-12-15 05:00:00 Finish Date: 7/11/2016 4:00:00 AM Qual: FR Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RD Action Name: RD SEQ: 19 Start Date: 2012-03-13 04:00:00 Finish Date: 10/1/2015 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 OU: 03 Action Code: RA Action Name: RA SEQ: 23 Start Date: 2012-02-23 05:00:00 Finish Date: 7/9/2014 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RD Action Name: RD SEQ: 18 Start Date: 2010-04-12 04:00:00 Finish Date: 6/26/2012 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RA Action Name: RA SEQ: 22 Start Date: 2008-06-02 05:00:00 Finish Date: 3/29/2018 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RA Action Name: RA SEQ: 21 Start Date: 2008-04-07 04:00:00 Finish Date: 9/23/2014 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RD Action Name: RD SEQ: 17 Start Date: 2005-04-01 05:00:00 Finish Date: 3/31/2011 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RA Action Name: RA SEQ: 20 Start Date: 2006-09-28 04:00:00 Finish Date: 4/29/2010 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RD Action Name: RD SEQ: 16 Start Date: 2005-04-01 05:00:00 Finish Date: 8/21/2009 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RA Action Name: RA SEQ: 19 Start Date: 2013-09-27 04:00:00 Finish Date: Not reported Qual: Not reported Current Action Lead: St Perf

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RD Action Name: RD SEQ: 15 Start Date: 2005-04-01 05:00:00 Finish Date: 9/27/2012 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: LR Action Name: LT RESP SEQ: 1 Start Date: 1999-09-28 04:00:00 Finish Date: 9/30/2009 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RD Action Name: RD SEQ: 11 Start Date: 1991-09-30 04:00:00 Finish Date: 9/9/2002 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RA Action Name: RA SEQ: 16 Start Date: 2006-09-28 04:00:00 Finish Date: 6/14/2011 5:00:00 AM

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Qual: IR Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RD Action Name: RD SEQ: 6 Start Date: 2005-04-01 05:00:00 Finish Date: 9/29/2006 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RA Action Name: RA SEQ: 17 Start Date: 2005-05-17 04:00:00 Finish Date: 3/31/2006 5:00:00 AM Qual: FR Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RD Action Name: RD SEQ: 13 Start Date: 1991-09-30 04:00:00 Finish Date: 9/30/2004 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RD Action Name: RD

TC5657064.2s Page 39 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 SEQ: 12 Start Date: 1991-09-30 04:00:00 Finish Date: 5/2/2005 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RD Action Name: RD SEQ: 10 Start Date: 1991-09-30 04:00:00 Finish Date: 9/28/2005 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RD Action Name: RD SEQ: 9 Start Date: 1991-09-30 04:00:00 Finish Date: 9/14/2004 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RD Action Name: RD SEQ: 8 Start Date: 1995-09-21 04:00:00 Finish Date: 9/29/2006 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 OU: 04 Action Code: RA Action Name: RA SEQ: 18 Start Date: 2006-09-28 04:00:00 Finish Date: 2/26/2009 5:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RD Action Name: RD SEQ: 14 Start Date: 1991-09-30 04:00:00 Finish Date: 9/25/2008 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 02 Action Code: RD Action Name: RD SEQ: 5 Start Date: 1995-09-21 04:00:00 Finish Date: 8/12/2002 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: CO Action Name: RI/FS SEQ: 1 Start Date: 1999-12-29 05:00:00 Finish Date: 9/29/2004 4:00:00 AM Qual: Not reported Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RA Action Name: RA SEQ: 15 Start Date: 2006-09-28 04:00:00 Finish Date: 8/19/2015 4:00:00 AM Qual: FR Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 02 Action Code: RA Action Name: RA SEQ: 14 Start Date: 1999-12-20 05:00:00 Finish Date: 5/22/2003 4:00:00 AM Qual: IR Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RA Action Name: RA SEQ: 13 Start Date: 2005-05-17 04:00:00 Finish Date: 3/31/2006 5:00:00 AM Qual: FR Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RA Action Name: RA SEQ: 12 Start Date: 1993-09-29 04:00:00 Finish Date: 11/17/2003 5:00:00 AM Qual: IR Current Action Lead: St Perf

TC5657064.2s Page 42 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 03 Action Code: RA Action Name: RA SEQ: 11 Start Date: 2005-08-04 04:00:00 Finish Date: 9/28/2005 4:00:00 AM Qual: IR Current Action Lead: St Perf

Region: 08 Site ID: 0800257 EPA ID: COD980717557 Site Name: CENTRAL CITY, CLEAR CREEK NPL: F FF: N OU: 04 Action Code: RA Action Name: RA SEQ: 10 Start Date: 2006-09-28 04:00:00 Finish Date: 9/25/2008 4:00:00 AM Qual: FR Current Action Lead: St Perf

US ENG CONTROLS: EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Actual Date: 06/30/2010 Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 001 Action Name: Explanation Of Significant Differences Action Completion date: 09/01/1999 Operable Unit: 02 Contaminated Media : Groundwater Engineering Control: Engineering Control, (N.O.S.) Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 003 Action Name: Explanation Of Significant Differences

TC5657064.2s Page 43 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Action Completion date: 06/06/2005 Operable Unit: 03 Contaminated Media : Sediment Engineering Control: Cap Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 003 Action Name: Explanation Of Significant Differences Action Completion date: 06/06/2005 Operable Unit: 03 Contaminated Media : Surface Water Engineering Control: Discharge Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 003 Action Name: Explanation Of Significant Differences Action Completion date: 06/06/2005 Operable Unit: 03 Contaminated Media : Surface Water Engineering Control: Treatment, (N.O.S.) Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 001 Action Name: RECORD OF DECISION Action Completion date: 09/30/1987 Operable Unit: 01 Contaminated Media : Surface Water Engineering Control: Discharge Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 001 Action Name: RECORD OF DECISION Action Completion date: 09/30/1987 Operable Unit: 01 Contaminated Media : Surface Water Engineering Control: Engineered Wetland Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 001 Action Name: RECORD OF DECISION Action Completion date: 09/30/1987 Operable Unit: 01 Contaminated Media : Surface Water Engineering Control: Precipitation Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

TC5657064.2s Page 44 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Action ID: 002 Action Name: RECORD OF DECISION Action Completion date: 03/31/1988 Operable Unit: 02 Contaminated Media : Solid Waste Engineering Control: Slope Stabilization Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 002 Action Name: RECORD OF DECISION Action Completion date: 03/31/1988 Operable Unit: 02 Contaminated Media : Solid Waste Engineering Control: Surface Drainage Control Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 003 Action Name: RECORD OF DECISION Action Completion date: 09/30/1991 Operable Unit: 03 Contaminated Media : Groundwater Engineering Control: Alternate Drinking Water, Permanent Replacement Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 003 Action Name: RECORD OF DECISION Action Completion date: 09/30/1991 Operable Unit: 03 Contaminated Media : Groundwater Engineering Control: Pump And Treat Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 003 Action Name: RECORD OF DECISION Action Completion date: 09/30/1991 Operable Unit: 03 Contaminated Media : Solid Waste Engineering Control: Cap Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 003 Action Name: RECORD OF DECISION Action Completion date: 09/30/1991 Operable Unit: 03 Contaminated Media : Surface Water Engineering Control: Engineered Wetland Contact Name: Not reported

TC5657064.2s Page 45 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Groundwater Engineering Control: Aeration Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Groundwater Engineering Control: Bioreactors Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Groundwater Engineering Control: Discharge Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Groundwater Engineering Control: Extraction Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Sediment Engineering Control: Cap Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04

TC5657064.2s Page 46 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Contaminated Media : Sediment Engineering Control: Disposal Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Sediment Engineering Control: Engineering Control, (N.O.S.) Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Sediment Engineering Control: Excavation Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Solid Waste Engineering Control: Cap Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Solid Waste Engineering Control: Disposal Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Solid Waste Engineering Control: Excavation Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004

TC5657064.2s Page 47 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Solid Waste Engineering Control: Revegetation Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Surface Water Engineering Control: Monitoring Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Surface Water Engineering Control: Surface Water Control Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 004 Action Name: RECORD OF DECISION Action Completion date: 09/29/2004 Operable Unit: 04 Contaminated Media : Surface Water Engineering Control: Treatment, (N.O.S.) Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 001 Action Name: ROD Amendment Action Completion date: 09/22/2003 Operable Unit: 03 Contaminated Media : Leachate Engineering Control: Monitoring Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 001 Action Name: ROD Amendment Action Completion date: 09/22/2003 Operable Unit: 03 Contaminated Media : Leachate Engineering Control: No Action Contact Name: Not reported Contact Phone and Ext: Not reported

TC5657064.2s Page 48 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Event Code Description: Not reported

Action ID: 002 Action Name: ROD Amendment Action Completion date: 09/25/2006 Operable Unit: 04 Contaminated Media : Sediment Engineering Control: Cap Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 002 Action Name: ROD Amendment Action Completion date: 09/25/2006 Operable Unit: 04 Contaminated Media : Sediment Engineering Control: Consolidate Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 002 Action Name: ROD Amendment Action Completion date: 09/25/2006 Operable Unit: 04 Contaminated Media : Sediment Engineering Control: Leachate Control Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 002 Action Name: ROD Amendment Action Completion date: 09/25/2006 Operable Unit: 04 Contaminated Media : Sediment Engineering Control: Surface Drainage Control Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 002 Action Name: ROD Amendment Action Completion date: 09/25/2006 Operable Unit: 04 Contaminated Media : Solid Waste Engineering Control: Cap Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 002 Action Name: ROD Amendment Action Completion date: 09/25/2006 Operable Unit: 04 Contaminated Media : Solid Waste

TC5657064.2s Page 49 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Engineering Control: Consolidate Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 002 Action Name: ROD Amendment Action Completion date: 09/25/2006 Operable Unit: 04 Contaminated Media : Solid Waste Engineering Control: Leachate Control Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 002 Action Name: ROD Amendment Action Completion date: 09/25/2006 Operable Unit: 04 Contaminated Media : Solid Waste Engineering Control: Surface Drainage Control Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 003 Action Name: ROD Amendment Action Completion date: 04/29/2010 Operable Unit: 04 Contaminated Media : Groundwater Engineering Control: Non-fundamental change (ESD) Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

Action ID: 003 Action Name: ROD Amendment Action Completion date: 04/29/2010 Operable Unit: 04 Contaminated Media : Surface Water Engineering Control: Non-fundamental change (ESD) Contact Name: Not reported Contact Phone and Ext: Not reported Event Code Description: Not reported

US INST CONTROL: EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Institutional Controls, (N.O.S.)

TC5657064.2s Page 50 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Actual Date: 09/30/1991 Complet. Date: 09/30/1991 Operable Unit: 03 Contaminated Media : Solid Waste Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Covenant Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Groundwater Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Groundwater use/well drilling regulation Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Groundwater Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

TC5657064.2s Page 51 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Contaminated Media : Groundwater Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Notices to State Regulators Before Changes in Land Use Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Groundwater Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Covenant Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Sediment Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Notice in Newspaper Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Sediment Contact Name : Not reported Contact Phone and Ext : Not reported

TC5657064.2s Page 52 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Event Code Description: Not reported

EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Notices to State Regulators Before Changes in Land Ownership Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Sediment Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Zoning regulation Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Sediment Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Covenant Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Solid Waste Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

EPA ID: COD980717557

TC5657064.2s Page 53 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Zoning regulation Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Solid Waste Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Covenant Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Surface Water Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Notice in Newspaper Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Surface Water Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION

TC5657064.2s Page 54 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Notices to State Regulators Before Changes in Land Use Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Surface Water Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

EPA ID: COD980717557 Site ID: 0800257 Name: CENTRAL CITY, CLEAR CREEK Action Name: RECORD OF DECISION Address: NEAR TOWN IDAHO SPRINGS, CO 80452 EPA Region: 08 County: CLEAR CREEK Event Code: Not reported Inst. Control: Zoning regulation Actual Date: 09/30/2004 Complet. Date: 09/29/2004 Operable Unit: 04 Contaminated Media : Surface Water Contact Name : Not reported Contact Phone and Ext : Not reported Event Code Description: Not reported

ROD: EPA ID: COD980717557 RG: 8 Site ID: 800257 Name: CENTRAL CITY, CLEAR CREEK Action: GOVT Decision Document (ROD) Operable Unit Number: MINE DISCHARGE TREATMENT SEQ ID: 1 Action Completion: 1987-09-30 00:00:00 NPL Status: Final Non NPL Status: Not reported

EPA ID: COD980717557 RG: 8 Site ID: 800257 Name: CENTRAL CITY, CLEAR CREEK Action: GOVT Decision Document (ROD) Operable Unit Number: TAILINGS/WASTEROCK/REMEDIATION SEQ ID: 2 Action Completion: 1988-03-31 00:00:00 NPL Status: Final Non NPL Status: Not reported

EPA ID: COD980717557 RG: 8

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Site ID: 800257 Name: CENTRAL CITY, CLEAR CREEK Action: GOVT Decision Document (ROD) Operable Unit Number: DISCHARGE CONTROL/PHASE II SEQ ID: 3 Action Completion: 1991-09-30 00:00:00 NPL Status: Final Non NPL Status: Not reported

EPA ID: COD980717557 RG: 8 Site ID: 800257 Name: CENTRAL CITY, CLEAR CREEK Action: GOVT Decision Document (ROD) Operable Unit Number: NORTH CLEAR CREEK SEQ ID: 4 Action Completion: 2004-09-29 00:00:00 NPL Status: Final Non NPL Status: Not reported

EPA ID: COD980717557 RG: 8 Site ID: 800257 Name: CENTRAL CITY, CLEAR CREEK Action: GOVT ESD Operable Unit Number: TAILINGS/WASTEROCK/REMEDIATION SEQ ID: 1 Action Completion: 1999-09-01 00:00:00 NPL Status: Final Non NPL Status: Not reported

EPA ID: COD980717557 RG: 8 Site ID: 800257 Name: CENTRAL CITY, CLEAR CREEK Action: GOVT ESD Operable Unit Number: DISCHARGE CONTROL/PHASE II SEQ ID: 3 Action Completion: 2005-06-06 00:00:00 NPL Status: Final Non NPL Status: Not reported

EPA ID: COD980717557 RG: 8 Site ID: 800257 Name: CENTRAL CITY, CLEAR CREEK Action: GOVT ROD Amendment Operable Unit Number: DISCHARGE CONTROL/PHASE II SEQ ID: 1 Action Completion: 2003-09-22 00:00:00 NPL Status: Final Non NPL Status: Not reported

EPA ID: COD980717557 RG: 8 Site ID: 800257 Name: CENTRAL CITY, CLEAR CREEK

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CENTRAL CITY, CLEAR CREEK (Continued) 1000419117 Action: GOVT ROD Amendment Operable Unit Number: NORTH CLEAR CREEK SEQ ID: 2 Action Completion: 2006-09-25 00:00:00 NPL Status: Final Non NPL Status: Not reported

EPA ID: COD980717557 RG: 8 Site ID: 800257 Name: CENTRAL CITY, CLEAR CREEK Action: GOVT ROD Amendment Operable Unit Number: NORTH CLEAR CREEK SEQ ID: 3 Action Completion: 2010-04-29 00:00:00 NPL Status: Final Non NPL Status: Not reported

PRP: PRP Name: AMERICAN PROMETHEUS LIMITED PARTNERSHIP ANCHOR COIN, INC. ANDRIANAKOS, JOHN BABY DOE, INC. BLACK HAWK DEVELOPMENT CORP. BLANCA LIDIA LEONARDO DE FRASSLER BUREAU OF LAND MANAGEMENT CENTRAL CITY DEVELOPMENT CO. CHARLES E. CARLSON CITIRESOURCES INC CITY OF CENTRAL, CO CITY OF CENTRAL, CO CITY OF CENTRAL, CO CITY OF IDAHO SPRINGS COLORADO VIENTO VISTA, INC EUREKA CREEK DEVELOPMENT, INC. EUREKA CREEK DEVELOPMENT, INC. FRONT RANGE ROYALTIES, LIMITED FRONTENAC MINING, LIMITED GOLD RUSH CASINO & MINNG CO. GOLD RUSH CASINO & MINNG CO. HEON, RAYMOND P HIS FOLLOWERS, LTD HOUSTON MINING AND RESOURCES INC HOUSTON MINING AND RESOURCES, INC. JACK PINE MINING CO. JEFFERSON ALAN FASSLER LEAVITT LODE, INC. LEAVITT LODE, INC. MACK C. RATCLIFFE MERENDON MINING (NEVEDA), INC. MILLSITE 27, INC. NORMAN R. BLAKE TOMMYKNOCKERS CASINO CORP. U.S. DEPARTMENT OF AGRICULTURE FOREST SERVICE WESTERN DIVERSIFIED BUILDERS INC WESTERN DIVERSIFIED BUILDERS, INC. WINSTOCK MINING CORP

TC5657064.2s Page 57 Map ID MAP FINDINGS Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number

1 STANLEY MINE MINES S112328980 N/A < 1/8 , CO 1 ft. MINES: Relative: Facility Id: M1981073 Lower Mine Type: underground Actual: Status Description: Revoked & Terminated 7819 ft. Permittee: Equity Gold, Inc. Permit Type: 110(2)

Date Permit Issued: 06/03/1981 Permit Acreage: 9.8000000000000007 Commodity 2: silver Annual Fee: 50 Required Surety: 2500 Actual Surety: 0 UTM X: 450595 UTM Y: 4401132.9000000004 Latitutde: 39.760570000000001 Longitude: -105.57675999999999 Post Mining: industrial/commercial Pre Mining: industrial/commercial Affected Acres: 9 Mineral Owner: private Surface Owner: private Permit Specialist Assigned: Not reported

TC5657064.2s Page 58 Count: 1 records. ORPHAN SUMMARY

City EDR ID Site Name Site Address Zip Database(s)

IDAHO SPRINGS S106859350 CLEAR CREEK DISTRIBUTING I-70 EXIT 243 HIDDEN VALLEY 80452 LUST TRUST

TC5657064.2s Page 59 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING

To maintain currency of the following federal and state databases, EDR contacts the appropriate governmental agency on a monthly or quarterly basis, as required.

Number of Days to Update: Provides confirmation that EDR is reporting records that have been updated within 90 days from the date the government agency made the information available to the public.

STANDARD ENVIRONMENTAL RECORDS

Federal NPL site list

NPL: National Priority List National Priorities List (Superfund). The NPL is a subset of CERCLIS and identifies over 1,200 sites for priority cleanup under the Superfund Program. NPL sites may encompass relatively large areas. As such, EDR provides polygon coverage for over 1,000 NPL site boundaries produced by EPA’s Environmental Photographic Interpretation Center (EPIC) and regional EPA offices. Date of Government Version: 04/11/2019 Source: EPA Date Data Arrived at EDR: 04/18/2019 Telephone: N/A Date Made Active in Reports: 05/14/2019 Last EDR Contact: 04/18/2019 Number of Days to Update: 26 Next Scheduled EDR Contact: 07/15/2019 Data Release Frequency: Quarterly

NPL Site Boundaries Sources: EPA’s Environmental Photographic Interpretation Center (EPIC) Telephone: 202-564-7333 EPA Region 1 EPA Region 6 Telephone 617-918-1143 Telephone: 214-655-6659 EPA Region 3 EPA Region 7 Telephone 215-814-5418 Telephone: 913-551-7247 EPA Region 4 EPA Region 8 Telephone 404-562-8033 Telephone: 303-312-6774 EPA Region 5 EPA Region 9 Telephone 312-886-6686 Telephone: 415-947-4246 EPA Region 10 Telephone 206-553-8665

Proposed NPL: Proposed National Priority List Sites A site that has been proposed for listing on the National Priorities List through the issuance of a proposed rule in the Federal Register. EPA then accepts public comments on the site, responds to the comments, and places on the NPL those sites that continue to meet the requirements for listing. Date of Government Version: 04/11/2019 Source: EPA Date Data Arrived at EDR: 04/18/2019 Telephone: N/A Date Made Active in Reports: 05/14/2019 Last EDR Contact: 04/18/2019 Number of Days to Update: 26 Next Scheduled EDR Contact: 07/15/2019 Data Release Frequency: Quarterly

NPL LIENS: Federal Superfund Liens Federal Superfund Liens. Under the authority granted the USEPA by CERCLA of 1980, the USEPA has the authority to file liens against real property in order to recover remedial action expenditures or when the property owner received notification of potential liability. USEPA compiles a listing of filed notices of Superfund Liens.

TC5657064.2s Page GR-1 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING

Date of Government Version: 10/15/1991 Source: EPA Date Data Arrived at EDR: 02/02/1994 Telephone: 202-564-4267 Date Made Active in Reports: 03/30/1994 Last EDR Contact: 08/15/2011 Number of Days to Update: 56 Next Scheduled EDR Contact: 11/28/2011 Data Release Frequency: No Update Planned

Federal Delisted NPL site list

Delisted NPL: National Priority List Deletions The National Oil and Hazardous Substances Pollution Contingency Plan (NCP) establishes the criteria that the EPA uses to delete sites from the NPL. In accordance with 40 CFR 300.425.(e), sites may be deleted from the NPL where no further response is appropriate. Date of Government Version: 04/11/2019 Source: EPA Date Data Arrived at EDR: 04/18/2019 Telephone: N/A Date Made Active in Reports: 05/14/2019 Last EDR Contact: 04/18/2019 Number of Days to Update: 26 Next Scheduled EDR Contact: 07/15/2019 Data Release Frequency: Quarterly

Federal CERCLIS list

FEDERAL FACILITY: Federal Facility Site Information listing A listing of National Priority List (NPL) and Base Realignment and Closure (BRAC) sites found in the Comprehensive Environmental Response, Compensation and Liability Information System (CERCLIS) Database where EPA Federal Facilities Restoration and Reuse Office is involved in cleanup activities. Date of Government Version: 04/03/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 04/05/2019 Telephone: 703-603-8704 Date Made Active in Reports: 05/14/2019 Last EDR Contact: 04/05/2019 Number of Days to Update: 39 Next Scheduled EDR Contact: 07/15/2019 Data Release Frequency: Varies

SEMS: Superfund Enterprise Management System SEMS (Superfund Enterprise Management System) tracks hazardous waste sites, potentially hazardous waste sites, and remedial activities performed in support of EPA’s Superfund Program across the United States. The list was formerly know as CERCLIS, renamed to SEMS by the EPA in 2015. The list contains data on potentially hazardous waste sites that have been reported to the USEPA by states, municipalities, private companies and private persons, pursuant to Section 103 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). This dataset also contains sites which are either proposed to or on the National Priorities List (NPL) and the sites which are in the screening and assessment phase for possible inclusion on the NPL. Date of Government Version: 03/11/2019 Source: EPA Date Data Arrived at EDR: 03/14/2019 Telephone: 800-424-9346 Date Made Active in Reports: 04/17/2019 Last EDR Contact: 04/18/2019 Number of Days to Update: 34 Next Scheduled EDR Contact: 07/29/2019 Data Release Frequency: Quarterly

Federal CERCLIS NFRAP site list

SEMS-ARCHIVE: Superfund Enterprise Management System Archive

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SEMS-ARCHIVE (Superfund Enterprise Management System Archive) tracks sites that have no further interest under the Federal Superfund Program based on available information. The list was formerly known as the CERCLIS-NFRAP, renamed to SEMS ARCHIVE by the EPA in 2015. EPA may perform a minimal level of assessment work at a site while it is archived if site conditions change and/or new information becomes available. Archived sites have been removed and archived from the inventory of SEMS sites. Archived status indicates that, to the best of EPA’s knowledge, assessment at a site has been completed and that EPA has determined no further steps will be taken to list the site on the National Priorities List (NPL), unless information indicates this decision was not appropriate or other considerations require a recommendation for listing at a later time. The decision does not necessarily mean that there is no hazard associated with a given site; it only means that. based upon available information, the location is not judged to be potential NPL site. Date of Government Version: 03/11/2019 Source: EPA Date Data Arrived at EDR: 03/14/2019 Telephone: 800-424-9346 Date Made Active in Reports: 04/17/2019 Last EDR Contact: 04/18/2019 Number of Days to Update: 34 Next Scheduled EDR Contact: 07/29/2019 Data Release Frequency: Quarterly

Federal RCRA CORRACTS facilities list

CORRACTS: Corrective Action Report CORRACTS identifies hazardous waste handlers with RCRA corrective action activity. Date of Government Version: 03/25/2019 Source: EPA Date Data Arrived at EDR: 03/27/2019 Telephone: 800-424-9346 Date Made Active in Reports: 04/17/2019 Last EDR Contact: 03/27/2019 Number of Days to Update: 21 Next Scheduled EDR Contact: 07/08/2019 Data Release Frequency: Quarterly

Federal RCRA non-CORRACTS TSD facilities list

RCRA-TSDF: RCRA - Treatment, Storage and Disposal RCRAInfo is EPA’s comprehensive information system, providing access to data supporting the Resource Conservation and Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The database includes selective information on sites which generate, transport, store, treat and/or dispose of hazardous waste as defined by the Resource Conservation and Recovery Act (RCRA). Transporters are individuals or entities that move hazardous waste from the generator offsite to a facility that can recycle, treat, store, or dispose of the waste. TSDFs treat, store, or dispose of the waste. Date of Government Version: 03/25/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 03/27/2019 Telephone: 303-312-6149 Date Made Active in Reports: 04/17/2019 Last EDR Contact: 03/27/2019 Number of Days to Update: 21 Next Scheduled EDR Contact: 07/08/2019 Data Release Frequency: Quarterly

Federal RCRA generators list

RCRA-LQG: RCRA - Large Quantity Generators RCRAInfo is EPA’s comprehensive information system, providing access to data supporting the Resource Conservation and Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The database includes selective information on sites which generate, transport, store, treat and/or dispose of hazardous waste as defined by the Resource Conservation and Recovery Act (RCRA). Large quantity generators (LQGs) generate over 1,000 kilograms (kg) of hazardous waste, or over 1 kg of acutely hazardous waste per month. Date of Government Version: 03/25/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 03/27/2019 Telephone: 303-312-6149 Date Made Active in Reports: 04/17/2019 Last EDR Contact: 03/27/2019 Number of Days to Update: 21 Next Scheduled EDR Contact: 07/08/2019 Data Release Frequency: Quarterly

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RCRA-SQG: RCRA - Small Quantity Generators RCRAInfo is EPA’s comprehensive information system, providing access to data supporting the Resource Conservation and Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The database includes selective information on sites which generate, transport, store, treat and/or dispose of hazardous waste as defined by the Resource Conservation and Recovery Act (RCRA). Small quantity generators (SQGs) generate between 100 kg and 1,000 kg of hazardous waste per month. Date of Government Version: 03/25/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 03/27/2019 Telephone: 303-312-6149 Date Made Active in Reports: 04/17/2019 Last EDR Contact: 03/27/2019 Number of Days to Update: 21 Next Scheduled EDR Contact: 07/08/2019 Data Release Frequency: Quarterly

RCRA-CESQG: RCRA - Conditionally Exempt Small Quantity Generators RCRAInfo is EPA’s comprehensive information system, providing access to data supporting the Resource Conservation and Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The database includes selective information on sites which generate, transport, store, treat and/or dispose of hazardous waste as defined by the Resource Conservation and Recovery Act (RCRA). Conditionally exempt small quantity generators (CESQGs) generate less than 100 kg of hazardous waste, or less than 1 kg of acutely hazardous waste per month. Date of Government Version: 03/25/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 03/27/2019 Telephone: 303-312-6149 Date Made Active in Reports: 04/17/2019 Last EDR Contact: 03/27/2019 Number of Days to Update: 21 Next Scheduled EDR Contact: 07/08/2019 Data Release Frequency: Quarterly

Federal institutional controls / engineering controls registries

LUCIS: Land Use Control Information System LUCIS contains records of land use control information pertaining to the former Navy Base Realignment and Closure properties. Date of Government Version: 02/22/2019 Source: Department of the Navy Date Data Arrived at EDR: 03/07/2019 Telephone: 843-820-7326 Date Made Active in Reports: 04/17/2019 Last EDR Contact: 05/10/2019 Number of Days to Update: 41 Next Scheduled EDR Contact: 08/26/2019 Data Release Frequency: Varies

US ENG CONTROLS: Engineering Controls Sites List A listing of sites with engineering controls in place. Engineering controls include various forms of caps, building foundations, liners, and treatment methods to create pathway elimination for regulated substances to enter environmental media or effect human health. Date of Government Version: 01/31/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 02/04/2019 Telephone: 703-603-0695 Date Made Active in Reports: 03/08/2019 Last EDR Contact: 02/04/2019 Number of Days to Update: 32 Next Scheduled EDR Contact: 06/10/2019 Data Release Frequency: Varies

US INST CONTROL: Sites with Institutional Controls A listing of sites with institutional controls in place. Institutional controls include administrative measures, such as groundwater use restrictions, construction restrictions, property use restrictions, and post remediation care requirements intended to prevent exposure to contaminants remaining on site. Deed restrictions are generally required as part of the institutional controls. Date of Government Version: 01/31/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 02/04/2019 Telephone: 703-603-0695 Date Made Active in Reports: 03/08/2019 Last EDR Contact: 02/04/2019 Number of Days to Update: 32 Next Scheduled EDR Contact: 06/10/2019 Data Release Frequency: Varies

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Federal ERNS list

ERNS: Emergency Response Notification System Emergency Response Notification System. ERNS records and stores information on reported releases of oil and hazardous substances. Date of Government Version: 03/25/2019 Source: National Response Center, United States Coast Guard Date Data Arrived at EDR: 03/26/2019 Telephone: 202-267-2180 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 03/26/2019 Number of Days to Update: 36 Next Scheduled EDR Contact: 07/08/2019 Data Release Frequency: Quarterly

State- and tribal - equivalent CERCLIS

SHWS: This state does not maintain a SHWS list. See the Federal CERCLIS list and Federal NPL list. State Hazardous Waste Sites. State hazardous waste site records are the states’ equivalent to CERCLIS. These sites may or may not already be listed on the federal CERCLIS list. Priority sites planned for cleanup using state funds (state equivalent of Superfund) are identified along with sites where cleanup will be paid for by potentially responsible parties. Available information varies by state. Date of Government Version: N/A Source: Department of Public Health & Environment Date Data Arrived at EDR: N/A Telephone: 303-692-3300 Date Made Active in Reports: N/A Last EDR Contact: 05/09/2019 Number of Days to Update: N/A Next Scheduled EDR Contact: 08/26/2019 Data Release Frequency: N/A

State and tribal landfill and/or solid waste disposal site lists

SWF/LF: Solid Waste Sites & Facilities Solid Waste Facilities/Landfill Sites. SWF/LF type records typically contain an inventory of solid waste disposal facilities or landfills in a particular state. Depending on the state, these may be active or inactive facilities or open dumps that failed to meet RCRA Subtitle D Section 4004 criteria for solid waste landfills or disposal sites. Date of Government Version: 12/04/2014 Source: Department of Public Health & Environment Date Data Arrived at EDR: 02/13/2015 Telephone: 303-692-3300 Date Made Active in Reports: 03/04/2015 Last EDR Contact: 05/10/2019 Number of Days to Update: 19 Next Scheduled EDR Contact: 08/19/2019 Data Release Frequency: Annually

State and tribal leaking storage tank lists

LTANKS: Petroleum Release Events Listing Active and Closed OPS Petroleum Release Events in Colorado. Includes the OPS Open Event locations, but also shows locations of closed events (releases that have been issued a No Further Action determination). Date of Government Version: 02/26/2019 Source: Department of Labor & Employment Date Data Arrived at EDR: 03/05/2019 Telephone: 303-318-8525 Date Made Active in Reports: 04/09/2019 Last EDR Contact: 03/05/2019 Number of Days to Update: 35 Next Scheduled EDR Contact: 06/17/2019 Data Release Frequency: Quarterly

LAST: Leaking Aboveground Storage Tank Listing A listing of leaking aboveground storage tank sites. This list is no longer maintained. For current Leaking AST information, please see LTANKS. Date of Government Version: 03/01/2018 Source: Department of Labor & Employment Date Data Arrived at EDR: 03/07/2018 Telephone: 303-318-8525 Date Made Active in Reports: 04/03/2018 Last EDR Contact: 05/31/2018 Number of Days to Update: 27 Next Scheduled EDR Contact: 09/10/2018 Data Release Frequency: No Update Planned

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LUST: Leaking Underground Storage Tank List Leaking Underground Storage Tank Incident Reports. LUST records contain an inventory of reported leaking underground storage tank incidents. Not all states maintain these records, and the information stored varies by state. Date of Government Version: 03/01/2018 Source: Department of Labor and Employment, Oil Inspection Section Date Data Arrived at EDR: 03/07/2018 Telephone: 303-318-8521 Date Made Active in Reports: 04/03/2018 Last EDR Contact: 03/07/2018 Number of Days to Update: 27 Next Scheduled EDR Contact: 06/18/2018 Data Release Frequency: Quarterly

INDIAN LUST R5: Leaking Underground Storage Tanks on Indian Land Leaking underground storage tanks located on Indian Land in Michigan, Minnesota and Wisconsin. Date of Government Version: 10/12/2018 Source: EPA, Region 5 Date Data Arrived at EDR: 03/07/2019 Telephone: 312-886-7439 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

INDIAN LUST R7: Leaking Underground Storage Tanks on Indian Land LUSTs on Indian land in Iowa, Kansas, and Nebraska Date of Government Version: 02/19/2019 Source: EPA Region 7 Date Data Arrived at EDR: 03/07/2019 Telephone: 913-551-7003 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

INDIAN LUST R10: Leaking Underground Storage Tanks on Indian Land LUSTs on Indian land in Alaska, Idaho, Oregon and Washington. Date of Government Version: 10/17/2018 Source: EPA Region 10 Date Data Arrived at EDR: 03/07/2019 Telephone: 206-553-2857 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

INDIAN LUST R9: Leaking Underground Storage Tanks on Indian Land LUSTs on Indian land in Arizona, California, New Mexico and Nevada Date of Government Version: 10/10/2018 Source: Environmental Protection Agency Date Data Arrived at EDR: 03/08/2019 Telephone: 415-972-3372 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 54 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

INDIAN LUST R8: Leaking Underground Storage Tanks on Indian Land LUSTs on Indian land in Colorado, Montana, North Dakota, South Dakota, Utah and Wyoming. Date of Government Version: 10/16/2018 Source: EPA Region 8 Date Data Arrived at EDR: 03/07/2019 Telephone: 303-312-6271 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

INDIAN LUST R6: Leaking Underground Storage Tanks on Indian Land LUSTs on Indian land in New Mexico and Oklahoma. Date of Government Version: 11/01/2018 Source: EPA Region 6 Date Data Arrived at EDR: 03/07/2019 Telephone: 214-665-6597 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

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INDIAN LUST R4: Leaking Underground Storage Tanks on Indian Land LUSTs on Indian land in Florida, Mississippi and North Carolina. Date of Government Version: 09/24/2018 Source: EPA Region 4 Date Data Arrived at EDR: 03/12/2019 Telephone: 404-562-8677 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 50 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

INDIAN LUST R1: Leaking Underground Storage Tanks on Indian Land A listing of leaking underground storage tank locations on Indian Land. Date of Government Version: 10/13/2018 Source: EPA Region 1 Date Data Arrived at EDR: 03/07/2019 Telephone: 617-918-1313 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

TRUST: Lust Trust Sites Reimbursement application package. The 1989 Colorado General Assembly established Colorado’s Petroleum Storage Tank Fund. The Fund reimburses eligible applicants for allowable costs incurred in cleaning up petroleum contamination from underground and aboveground petroleum storage tanks, as well as for third-party liability expenses. Remediation of contamination caused by railroad or aircraft fuel is not eligible for reimbursement. The Fund satisfies federal Environmental Protection Agency financial assurance requirements. Monies in the Fund come from various sources, predominantly the state environmental surcharge imposed on all petroleum products except railroad or aircraft fuel. Date of Government Version: 02/28/2019 Source: Department of Labor and Employment, Oil Inspection Section Date Data Arrived at EDR: 03/01/2019 Telephone: 303-318-8521 Date Made Active in Reports: 04/09/2019 Last EDR Contact: 03/01/2019 Number of Days to Update: 39 Next Scheduled EDR Contact: 07/08/2019 Data Release Frequency: Varies

State and tribal registered storage tank lists

FEMA UST: Underground Storage Tank Listing A listing of all FEMA owned underground storage tanks. Date of Government Version: 05/15/2017 Source: FEMA Date Data Arrived at EDR: 05/30/2017 Telephone: 202-646-5797 Date Made Active in Reports: 10/13/2017 Last EDR Contact: 04/25/2019 Number of Days to Update: 136 Next Scheduled EDR Contact: 07/22/2019 Data Release Frequency: Varies

UST: Underground Storage Tank Database Registered Underground Storage Tanks. UST’s are regulated under Subtitle I of the Resource Conservation and Recovery Act (RCRA) and must be registered with the state department responsible for administering the UST program. Available information varies by state program. Date of Government Version: 12/12/2018 Source: Department of Labor and Employment, Oil Inspection Section Date Data Arrived at EDR: 12/13/2018 Telephone: 303-318-8521 Date Made Active in Reports: 01/08/2019 Last EDR Contact: 03/29/2019 Number of Days to Update: 26 Next Scheduled EDR Contact: 06/17/2019 Data Release Frequency: Quarterly

AST: Aboveground Tank List Aboveground storage tank locations. Date of Government Version: 12/12/2018 Source: Department of Labor and Employment, Oil Inspection Section Date Data Arrived at EDR: 12/13/2018 Telephone: 303-318-8521 Date Made Active in Reports: 01/08/2019 Last EDR Contact: 03/29/2019 Number of Days to Update: 26 Next Scheduled EDR Contact: 06/17/2019 Data Release Frequency: Semi-Annually

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INDIAN UST R10: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 10 (Alaska, Idaho, Oregon, Washington, and Tribal Nations). Date of Government Version: 10/17/2018 Source: EPA Region 10 Date Data Arrived at EDR: 03/07/2019 Telephone: 206-553-2857 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

INDIAN UST R9: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 9 (Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations). Date of Government Version: 10/10/2018 Source: EPA Region 9 Date Data Arrived at EDR: 03/08/2019 Telephone: 415-972-3368 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 54 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

INDIAN UST R7: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 7 (Iowa, Kansas, Missouri, Nebraska, and 9 Tribal Nations). Date of Government Version: 11/07/2018 Source: EPA Region 7 Date Data Arrived at EDR: 03/07/2019 Telephone: 913-551-7003 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

INDIAN UST R8: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 8 (Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming and 27 Tribal Nations). Date of Government Version: 10/16/2018 Source: EPA Region 8 Date Data Arrived at EDR: 03/07/2019 Telephone: 303-312-6137 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

INDIAN UST R6: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 6 (Louisiana, Arkansas, Oklahoma, New Mexico, Texas and 65 Tribes). Date of Government Version: 11/01/2018 Source: EPA Region 6 Date Data Arrived at EDR: 03/07/2019 Telephone: 214-665-7591 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

INDIAN UST R5: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 5 (Michigan, Minnesota and Wisconsin and Tribal Nations). Date of Government Version: 10/12/2018 Source: EPA Region 5 Date Data Arrived at EDR: 03/07/2019 Telephone: 312-886-6136 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

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INDIAN UST R4: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 4 (Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee and Tribal Nations) Date of Government Version: 09/24/2018 Source: EPA Region 4 Date Data Arrived at EDR: 03/12/2019 Telephone: 404-562-9424 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 50 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

INDIAN UST R1: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 1 (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont and ten Tribal Nations). Date of Government Version: 10/03/2018 Source: EPA, Region 1 Date Data Arrived at EDR: 03/07/2019 Telephone: 617-918-1313 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 04/26/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

State and tribal institutional control / engineering control registries

AUL: Environmental Real Covenants List Senate Bill 01-145 gave authority to the Colorado Department of Public Health and Environment to approve requests to restrict the future use of a property using an enforceable agreement called an environmental covenant. When a contaminated site is not cleaned up completely, land use restrictions may be used to ensure that the selected cleanup remedy is adequately protective of human health and the environment. Date of Government Version: 01/15/2019 Source: Department of Public Health & Environment Date Data Arrived at EDR: 01/30/2019 Telephone: 303-692-3331 Date Made Active in Reports: 03/11/2019 Last EDR Contact: 04/25/2019 Number of Days to Update: 40 Next Scheduled EDR Contact: 08/12/2019 Data Release Frequency: Varies

State and tribal voluntary cleanup sites

VCP: Voluntary Cleanup & Redevelopment Act Application Tracking Report The Voluntary Cleanup and Redevelopment Act is intended to permit and encourage voluntary cleanups by providing a method to determine clean-up responsibilities in planning the reuse of property. The VCRA was intended for sites which were not covered by existing regulatory programs. Date of Government Version: 12/06/2018 Source: Department of Public Health and Environmental Date Data Arrived at EDR: 01/08/2019 Telephone: 303-692-3331 Date Made Active in Reports: 03/11/2019 Last EDR Contact: 04/12/2019 Number of Days to Update: 62 Next Scheduled EDR Contact: 07/22/2019 Data Release Frequency: Semi-Annually

INDIAN VCP R1: Voluntary Cleanup Priority Listing A listing of voluntary cleanup priority sites located on Indian Land located in Region 1. Date of Government Version: 07/27/2015 Source: EPA, Region 1 Date Data Arrived at EDR: 09/29/2015 Telephone: 617-918-1102 Date Made Active in Reports: 02/18/2016 Last EDR Contact: 03/25/2019 Number of Days to Update: 142 Next Scheduled EDR Contact: 07/08/2019 Data Release Frequency: Varies

INDIAN VCP R7: Voluntary Cleanup Priority Lisitng A listing of voluntary cleanup priority sites located on Indian Land located in Region 7.

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Date of Government Version: 03/20/2008 Source: EPA, Region 7 Date Data Arrived at EDR: 04/22/2008 Telephone: 913-551-7365 Date Made Active in Reports: 05/19/2008 Last EDR Contact: 04/20/2009 Number of Days to Update: 27 Next Scheduled EDR Contact: 07/20/2009 Data Release Frequency: Varies

State and tribal Brownfields sites

BROWNFIELDS: Brownfields Sites Listing Brownfields Sites Listing Date of Government Version: 10/10/2018 Source: Department of Public Health & Environment Date Data Arrived at EDR: 10/23/2018 Telephone: 303-692-3331 Date Made Active in Reports: 11/30/2018 Last EDR Contact: 04/22/2019 Number of Days to Update: 38 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies ADDITIONAL ENVIRONMENTAL RECORDS

Local Brownfield lists

US BROWNFIELDS: A Listing of Brownfields Sites Brownfields are real property, the expansion, redevelopment, or reuse of which may be complicated by the presence or potential presence of a hazardous substance, pollutant, or contaminant. Cleaning up and reinvesting in these properties takes development pressures off of undeveloped, open land, and both improves and protects the environment. Assessment, Cleanup and Redevelopment Exchange System (ACRES) stores information reported by EPA Brownfields grant recipients on brownfields properties assessed or cleaned up with grant funding as well as information on Targeted Brownfields Assessments performed by EPA Regions. A listing of ACRES Brownfield sites is obtained from Cleanups in My Community. Cleanups in My Community provides information on Brownfields properties for which information is reported back to EPA, as well as areas served by Brownfields grant programs. Date of Government Version: 12/17/2018 Source: Environmental Protection Agency Date Data Arrived at EDR: 12/18/2018 Telephone: 202-566-2777 Date Made Active in Reports: 01/11/2019 Last EDR Contact: 03/19/2019 Number of Days to Update: 24 Next Scheduled EDR Contact: 07/01/2019 Data Release Frequency: Semi-Annually

Local Lists of Landfill / Solid Waste Disposal Sites

HISTORICAL LANDFILL: Historical Landfill List Abandoned/Inactive Landfills. Date of Government Version: 01/31/1993 Source: Department of Public Health & Environment Date Data Arrived at EDR: 04/24/1994 Telephone: 303-692-3300 Date Made Active in Reports: 05/30/1994 Last EDR Contact: 09/05/1996 Number of Days to Update: 36 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

SWRCY: Registered Recyclers Listing A listing of registered recycler locations in the state of Colorado. Date of Government Version: 03/07/2019 Source: Department of Public Health & Environment Date Data Arrived at EDR: 03/12/2019 Telephone: 303-692-3337 Date Made Active in Reports: 04/09/2019 Last EDR Contact: 03/11/2019 Number of Days to Update: 28 Next Scheduled EDR Contact: 06/24/2019 Data Release Frequency: Semi-Annually

INDIAN ODI: Report on the Status of Open Dumps on Indian Lands Location of open dumps on Indian land.

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Date of Government Version: 12/31/1998 Source: Environmental Protection Agency Date Data Arrived at EDR: 12/03/2007 Telephone: 703-308-8245 Date Made Active in Reports: 01/24/2008 Last EDR Contact: 04/26/2019 Number of Days to Update: 52 Next Scheduled EDR Contact: 08/12/2019 Data Release Frequency: Varies

DEBRIS REGION 9: Torres Martinez Reservation Illegal Dump Site Locations A listing of illegal dump sites location on the Torres Martinez Indian Reservation located in eastern Riverside County and northern Imperial County, California. Date of Government Version: 01/12/2009 Source: EPA, Region 9 Date Data Arrived at EDR: 05/07/2009 Telephone: 415-947-4219 Date Made Active in Reports: 09/21/2009 Last EDR Contact: 04/22/2019 Number of Days to Update: 137 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: No Update Planned

ODI: Open Dump Inventory An open dump is defined as a disposal facility that does not comply with one or more of the Part 257 or Part 258 Subtitle D Criteria. Date of Government Version: 06/30/1985 Source: Environmental Protection Agency Date Data Arrived at EDR: 08/09/2004 Telephone: 800-424-9346 Date Made Active in Reports: 09/17/2004 Last EDR Contact: 06/09/2004 Number of Days to Update: 39 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

IHS OPEN DUMPS: Open Dumps on Indian Land A listing of all open dumps located on Indian Land in the United States. Date of Government Version: 04/01/2014 Source: Department of Health & Human Serivces, Indian Health Service Date Data Arrived at EDR: 08/06/2014 Telephone: 301-443-1452 Date Made Active in Reports: 01/29/2015 Last EDR Contact: 04/23/2019 Number of Days to Update: 176 Next Scheduled EDR Contact: 08/12/2019 Data Release Frequency: Varies

Local Lists of Hazardous waste / Contaminated Sites

US HIST CDL: National Clandestine Laboratory Register A listing of clandestine drug lab locations that have been removed from the DEAs National Clandestine Laboratory Register. Date of Government Version: 02/24/2019 Source: Drug Enforcement Administration Date Data Arrived at EDR: 02/26/2019 Telephone: 202-307-1000 Date Made Active in Reports: 04/17/2019 Last EDR Contact: 02/21/2019 Number of Days to Update: 50 Next Scheduled EDR Contact: 06/10/2019 Data Release Frequency: No Update Planned

CDL: Meth Lab Locations Meth lab locations that were reported to the Department of Public Health & Environment. Date of Government Version: 12/26/2018 Source: Department of Public Health and Environment Date Data Arrived at EDR: 12/27/2018 Telephone: 303-692-3023 Date Made Active in Reports: 01/08/2019 Last EDR Contact: 03/29/2019 Number of Days to Update: 12 Next Scheduled EDR Contact: 07/15/2019 Data Release Frequency: Quarterly

US CDL: Clandestine Drug Labs A listing of clandestine drug lab locations. The U.S. Department of Justice ("the Department") provides this web site as a public service. It contains addresses of some locations where law enforcement agencies reported they found chemicals or other items that indicated the presence of either clandestine drug laboratories or dumpsites. In most cases, the source of the entries is not the Department, and the Department has not verified the entry and does not guarantee its accuracy. Members of the public must verify the accuracy of all entries by, for example, contacting local law enforcement and local health departments.

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Date of Government Version: 02/24/2019 Source: Drug Enforcement Administration Date Data Arrived at EDR: 02/26/2019 Telephone: 202-307-1000 Date Made Active in Reports: 04/17/2019 Last EDR Contact: 02/21/2019 Number of Days to Update: 50 Next Scheduled EDR Contact: 06/10/2019 Data Release Frequency: Quarterly

Local Land Records

LIENS 2: CERCLA Lien Information A Federal CERCLA (’Superfund’) lien can exist by operation of law at any site or property at which EPA has spent Superfund monies. These monies are spent to investigate and address releases and threatened releases of contamination. CERCLIS provides information as to the identity of these sites and properties. Date of Government Version: 03/11/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 03/14/2019 Telephone: 202-564-6023 Date Made Active in Reports: 03/21/2019 Last EDR Contact: 04/18/2019 Number of Days to Update: 7 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Semi-Annually

Records of Emergency Release Reports

HMIRS: Hazardous Materials Information Reporting System Hazardous Materials Incident Report System. HMIRS contains hazardous material spill incidents reported to DOT. Date of Government Version: 03/25/2019 Source: U.S. Department of Transportation Date Data Arrived at EDR: 03/26/2019 Telephone: 202-366-4555 Date Made Active in Reports: 05/14/2019 Last EDR Contact: 03/26/2019 Number of Days to Update: 49 Next Scheduled EDR Contact: 07/08/2019 Data Release Frequency: Quarterly

SPILLS 2: Spills A listing of spills reported to the Oil & Gas Conservation Commission Date of Government Version: 03/25/2019 Source: Oil & Gas Conservation Commission Date Data Arrived at EDR: 03/26/2019 Telephone: 303-894-2100 Date Made Active in Reports: 04/09/2019 Last EDR Contact: 03/26/2019 Number of Days to Update: 14 Next Scheduled EDR Contact: 07/08/2019 Data Release Frequency: Quarterly

CO ERNS: Spills Database State reported spills. Date of Government Version: 12/26/2018 Source: Department of Public Health and Environmental Date Data Arrived at EDR: 12/27/2018 Telephone: 303-692-2000 Date Made Active in Reports: 01/08/2019 Last EDR Contact: 03/29/2019 Number of Days to Update: 12 Next Scheduled EDR Contact: 07/15/2019 Data Release Frequency: Quarterly

SPILLS 90: SPILLS90 data from FirstSearch Spills 90 includes those spill and release records available exclusively from FirstSearch databases. Typically, they may include chemical, oil and/or hazardous substance spills recorded after 1990. Duplicate records that are already included in EDR incident and release records are not included in Spills 90. Date of Government Version: 10/15/2012 Source: FirstSearch Date Data Arrived at EDR: 01/03/2013 Telephone: N/A Date Made Active in Reports: 02/06/2013 Last EDR Contact: 01/03/2013 Number of Days to Update: 34 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

Other Ascertainable Records

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RCRA NonGen / NLR: RCRA - Non Generators / No Longer Regulated RCRAInfo is EPA’s comprehensive information system, providing access to data supporting the Resource Conservation and Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The database includes selective information on sites which generate, transport, store, treat and/or dispose of hazardous waste as defined by the Resource Conservation and Recovery Act (RCRA). Non-Generators do not presently generate hazardous waste. Date of Government Version: 03/25/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 03/27/2019 Telephone: 303-312-6149 Date Made Active in Reports: 04/17/2019 Last EDR Contact: 03/27/2019 Number of Days to Update: 21 Next Scheduled EDR Contact: 07/08/2019 Data Release Frequency: Quarterly

FUDS: Formerly Used Defense Sites The listing includes locations of Formerly Used Defense Sites properties where the US Army Corps of Engineers is actively working or will take necessary cleanup actions. Date of Government Version: 01/31/2015 Source: U.S. Army Corps of Engineers Date Data Arrived at EDR: 07/08/2015 Telephone: 202-528-4285 Date Made Active in Reports: 10/13/2015 Last EDR Contact: 04/03/2019 Number of Days to Update: 97 Next Scheduled EDR Contact: 06/03/2019 Data Release Frequency: Varies

DOD: Department of Defense Sites This data set consists of federally owned or administered lands, administered by the Department of Defense, that have any area equal to or greater than 640 acres of the United States, Puerto Rico, and the U.S. Virgin Islands. Date of Government Version: 12/31/2005 Source: USGS Date Data Arrived at EDR: 11/10/2006 Telephone: 888-275-8747 Date Made Active in Reports: 01/11/2007 Last EDR Contact: 04/12/2019 Number of Days to Update: 62 Next Scheduled EDR Contact: 07/22/2019 Data Release Frequency: Semi-Annually

FEDLAND: Federal and Indian Lands Federally and Indian administrated lands of the United States. Lands included are administrated by: Army Corps of Engineers, Bureau of Reclamation, National Wild and Scenic River, National Wildlife Refuge, Public Domain Land, Wilderness, Wilderness Study Area, Wildlife Management Area, Bureau of Indian Affairs, Bureau of Land Management, Department of Justice, Forest Service, Fish and Wildlife Service, National Park Service. Date of Government Version: 12/31/2005 Source: U.S. Geological Survey Date Data Arrived at EDR: 02/06/2006 Telephone: 888-275-8747 Date Made Active in Reports: 01/11/2007 Last EDR Contact: 04/12/2019 Number of Days to Update: 339 Next Scheduled EDR Contact: 07/22/2019 Data Release Frequency: N/A

SCRD DRYCLEANERS: State Coalition for Remediation of Drycleaners Listing The State Coalition for Remediation of Drycleaners was established in 1998, with support from the U.S. EPA Office of Superfund Remediation and Technology Innovation. It is comprised of representatives of states with established drycleaner remediation programs. Currently the member states are Alabama, Connecticut, Florida, Illinois, Kansas, Minnesota, Missouri, North Carolina, Oregon, South Carolina, Tennessee, Texas, and Wisconsin. Date of Government Version: 01/01/2017 Source: Environmental Protection Agency Date Data Arrived at EDR: 02/03/2017 Telephone: 615-532-8599 Date Made Active in Reports: 04/07/2017 Last EDR Contact: 05/13/2019 Number of Days to Update: 63 Next Scheduled EDR Contact: 08/26/2019 Data Release Frequency: Varies

US FIN ASSUR: Financial Assurance Information All owners and operators of facilities that treat, store, or dispose of hazardous waste are required to provide proof that they will have sufficient funds to pay for the clean up, closure, and post-closure care of their facilities.

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Date of Government Version: 03/25/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 03/26/2019 Telephone: 202-566-1917 Date Made Active in Reports: 05/07/2019 Last EDR Contact: 03/26/2019 Number of Days to Update: 42 Next Scheduled EDR Contact: 07/08/2019 Data Release Frequency: Quarterly

EPA WATCH LIST: EPA WATCH LIST EPA maintains a "Watch List" to facilitate dialogue between EPA, state and local environmental agencies on enforcement matters relating to facilities with alleged violations identified as either significant or high priority. Being on the Watch List does not mean that the facility has actually violated the law only that an investigation by EPA or a state or local environmental agency has led those organizations to allege that an unproven violation has in fact occurred. Being on the Watch List does not represent a higher level of concern regarding the alleged violations that were detected, but instead indicates cases requiring additional dialogue between EPA, state and local agencies - primarily because of the length of time the alleged violation has gone unaddressed or unresolved. Date of Government Version: 08/30/2013 Source: Environmental Protection Agency Date Data Arrived at EDR: 03/21/2014 Telephone: 617-520-3000 Date Made Active in Reports: 06/17/2014 Last EDR Contact: 05/06/2019 Number of Days to Update: 88 Next Scheduled EDR Contact: 08/19/2019 Data Release Frequency: Quarterly

2020 COR ACTION: 2020 Corrective Action Program List The EPA has set ambitious goals for the RCRA Corrective Action program by creating the 2020 Corrective Action Universe. This RCRA cleanup baseline includes facilities expected to need corrective action. The 2020 universe contains a wide variety of sites. Some properties are heavily contaminated while others were contaminated but have since been cleaned up. Still others have not been fully investigated yet, and may require little or no remediation. Inclusion in the 2020 Universe does not necessarily imply failure on the part of a facility to meet its RCRA obligations. Date of Government Version: 09/30/2017 Source: Environmental Protection Agency Date Data Arrived at EDR: 05/08/2018 Telephone: 703-308-4044 Date Made Active in Reports: 07/20/2018 Last EDR Contact: 05/10/2019 Number of Days to Update: 73 Next Scheduled EDR Contact: 08/19/2019 Data Release Frequency: Varies

TSCA: Toxic Substances Control Act Toxic Substances Control Act. TSCA identifies manufacturers and importers of chemical substances included on the TSCA Chemical Substance Inventory list. It includes data on the production volume of these substances by plant site. Date of Government Version: 12/31/2016 Source: EPA Date Data Arrived at EDR: 06/21/2017 Telephone: 202-260-5521 Date Made Active in Reports: 01/05/2018 Last EDR Contact: 03/22/2019 Number of Days to Update: 198 Next Scheduled EDR Contact: 07/01/2019 Data Release Frequency: Every 4 Years

TRIS: Toxic Chemical Release Inventory System Toxic Release Inventory System. TRIS identifies facilities which release toxic chemicals to the air, water and land in reportable quantities under SARA Title III Section 313. Date of Government Version: 12/31/2016 Source: EPA Date Data Arrived at EDR: 01/10/2018 Telephone: 202-566-0250 Date Made Active in Reports: 01/12/2018 Last EDR Contact: 02/20/2019 Number of Days to Update: 2 Next Scheduled EDR Contact: 06/03/2019 Data Release Frequency: Annually

SSTS: Section 7 Tracking Systems Section 7 of the Federal Insecticide, Fungicide and Rodenticide Act, as amended (92 Stat. 829) requires all registered pesticide-producing establishments to submit a report to the Environmental Protection Agency by March 1st each year. Each establishment must report the types and amounts of pesticides, active ingredients and devices being produced, and those having been produced and sold or distributed in the past year.

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Date of Government Version: 12/31/2009 Source: EPA Date Data Arrived at EDR: 12/10/2010 Telephone: 202-564-4203 Date Made Active in Reports: 02/25/2011 Last EDR Contact: 04/24/2019 Number of Days to Update: 77 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Annually

ROD: Records Of Decision Record of Decision. ROD documents mandate a permanent remedy at an NPL (Superfund) site containing technical and health information to aid in the cleanup. Date of Government Version: 03/11/2019 Source: EPA Date Data Arrived at EDR: 03/14/2019 Telephone: 703-416-0223 Date Made Active in Reports: 04/01/2019 Last EDR Contact: 04/18/2019 Number of Days to Update: 18 Next Scheduled EDR Contact: 06/17/2019 Data Release Frequency: Annually

RMP: Risk Management Plans When Congress passed the Clean Air Act Amendments of 1990, it required EPA to publish regulations and guidance for chemical accident prevention at facilities using extremely hazardous substances. The Risk Management Program Rule (RMP Rule) was written to implement Section 112(r) of these amendments. The rule, which built upon existing industry codes and standards, requires companies of all sizes that use certain flammable and toxic substances to develop a Risk Management Program, which includes a(n): Hazard assessment that details the potential effects of an accidental release, an accident history of the last five years, and an evaluation of worst-case and alternative accidental releases; Prevention program that includes safety precautions and maintenance, monitoring, and employee training measures; and Emergency response program that spells out emergency health care, employee training measures and procedures for informing the public and response agencies (e.g the fire department) should an accident occur. Date of Government Version: 02/01/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 02/14/2019 Telephone: 202-564-8600 Date Made Active in Reports: 03/21/2019 Last EDR Contact: 04/22/2019 Number of Days to Update: 35 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

RAATS: RCRA Administrative Action Tracking System RCRA Administration Action Tracking System. RAATS contains records based on enforcement actions issued under RCRA pertaining to major violators and includes administrative and civil actions brought by the EPA. For administration actions after September 30, 1995, data entry in the RAATS database was discontinued. EPA will retain a copy of the database for historical records. It was necessary to terminate RAATS because a decrease in agency resources made it impossible to continue to update the information contained in the database. Date of Government Version: 04/17/1995 Source: EPA Date Data Arrived at EDR: 07/03/1995 Telephone: 202-564-4104 Date Made Active in Reports: 08/07/1995 Last EDR Contact: 06/02/2008 Number of Days to Update: 35 Next Scheduled EDR Contact: 09/01/2008 Data Release Frequency: No Update Planned

PRP: Potentially Responsible Parties A listing of verified Potentially Responsible Parties Date of Government Version: 03/11/2019 Source: EPA Date Data Arrived at EDR: 03/14/2019 Telephone: 202-564-6023 Date Made Active in Reports: 04/17/2019 Last EDR Contact: 05/10/2019 Number of Days to Update: 34 Next Scheduled EDR Contact: 08/19/2019 Data Release Frequency: Quarterly

PADS: PCB Activity Database System PCB Activity Database. PADS Identifies generators, transporters, commercial storers and/or brokers and disposers of PCB’s who are required to notify the EPA of such activities.

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Date of Government Version: 03/20/2019 Source: EPA Date Data Arrived at EDR: 04/10/2019 Telephone: 202-566-0500 Date Made Active in Reports: 05/14/2019 Last EDR Contact: 04/10/2019 Number of Days to Update: 34 Next Scheduled EDR Contact: 07/22/2019 Data Release Frequency: Annually

ICIS: Integrated Compliance Information System The Integrated Compliance Information System (ICIS) supports the information needs of the national enforcement and compliance program as well as the unique needs of the National Pollutant Discharge Elimination System (NPDES) program. Date of Government Version: 11/18/2016 Source: Environmental Protection Agency Date Data Arrived at EDR: 11/23/2016 Telephone: 202-564-2501 Date Made Active in Reports: 02/10/2017 Last EDR Contact: 04/08/2019 Number of Days to Update: 79 Next Scheduled EDR Contact: 07/22/2019 Data Release Frequency: Quarterly

FTTS: FIFRA/ TSCA Tracking System - FIFRA (Federal Insecticide, Fungicide, & Rodenticide Act)/TSCA (Toxic Substances Control Act) FTTS tracks administrative cases and pesticide enforcement actions and compliance activities related to FIFRA, TSCA and EPCRA (Emergency Planning and Community Right-to-Know Act). To maintain currency, EDR contacts the Agency on a quarterly basis. Date of Government Version: 04/09/2009 Source: EPA/Office of Prevention, Pesticides and Toxic Substances Date Data Arrived at EDR: 04/16/2009 Telephone: 202-566-1667 Date Made Active in Reports: 05/11/2009 Last EDR Contact: 08/18/2017 Number of Days to Update: 25 Next Scheduled EDR Contact: 12/04/2017 Data Release Frequency: Quarterly

FTTS INSP: FIFRA/ TSCA Tracking System - FIFRA (Federal Insecticide, Fungicide, & Rodenticide Act)/TSCA (Toxic Substances Control Act) A listing of FIFRA/TSCA Tracking System (FTTS) inspections and enforcements. Date of Government Version: 04/09/2009 Source: EPA Date Data Arrived at EDR: 04/16/2009 Telephone: 202-566-1667 Date Made Active in Reports: 05/11/2009 Last EDR Contact: 08/18/2017 Number of Days to Update: 25 Next Scheduled EDR Contact: 12/04/2017 Data Release Frequency: Quarterly

MLTS: Material Licensing Tracking System MLTS is maintained by the Nuclear Regulatory Commission and contains a list of approximately 8,100 sites which possess or use radioactive materials and which are subject to NRC licensing requirements. To maintain currency, EDR contacts the Agency on a quarterly basis. Date of Government Version: 08/30/2016 Source: Nuclear Regulatory Commission Date Data Arrived at EDR: 09/08/2016 Telephone: 301-415-7169 Date Made Active in Reports: 10/21/2016 Last EDR Contact: 04/22/2019 Number of Days to Update: 43 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Quarterly

COAL ASH DOE: Steam-Electric Plant Operation Data A listing of power plants that store ash in surface ponds. Date of Government Version: 12/31/2005 Source: Department of Energy Date Data Arrived at EDR: 08/07/2009 Telephone: 202-586-8719 Date Made Active in Reports: 10/22/2009 Last EDR Contact: 03/07/2019 Number of Days to Update: 76 Next Scheduled EDR Contact: 06/17/2019 Data Release Frequency: Varies

COAL ASH EPA: Coal Combustion Residues Surface Impoundments List A listing of coal combustion residues surface impoundments with high hazard potential ratings.

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Date of Government Version: 07/01/2014 Source: Environmental Protection Agency Date Data Arrived at EDR: 09/10/2014 Telephone: N/A Date Made Active in Reports: 10/20/2014 Last EDR Contact: 03/05/2019 Number of Days to Update: 40 Next Scheduled EDR Contact: 06/17/2019 Data Release Frequency: Varies

PCB TRANSFORMER: PCB Transformer Registration Database The database of PCB transformer registrations that includes all PCB registration submittals. Date of Government Version: 05/24/2017 Source: Environmental Protection Agency Date Data Arrived at EDR: 11/30/2017 Telephone: 202-566-0517 Date Made Active in Reports: 12/15/2017 Last EDR Contact: 04/26/2019 Number of Days to Update: 15 Next Scheduled EDR Contact: 08/05/2019 Data Release Frequency: Varies

RADINFO: Radiation Information Database The Radiation Information Database (RADINFO) contains information about facilities that are regulated by U.S. Environmental Protection Agency (EPA) regulations for radiation and radioactivity. Date of Government Version: 04/02/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 04/02/2019 Telephone: 202-343-9775 Date Made Active in Reports: 05/14/2019 Last EDR Contact: 04/02/2019 Number of Days to Update: 42 Next Scheduled EDR Contact: 07/15/2019 Data Release Frequency: Quarterly

HIST FTTS: FIFRA/TSCA Tracking System Administrative Case Listing A complete administrative case listing from the FIFRA/TSCA Tracking System (FTTS) for all ten EPA regions. The information was obtained from the National Compliance Database (NCDB). NCDB supports the implementation of FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act) and TSCA (Toxic Substances Control Act). Some EPA regions are now closing out records. Because of that, and the fact that some EPA regions are not providing EPA Headquarters with updated records, it was decided to create a HIST FTTS database. It included records that may not be included in the newer FTTS database updates. This database is no longer updated. Date of Government Version: 10/19/2006 Source: Environmental Protection Agency Date Data Arrived at EDR: 03/01/2007 Telephone: 202-564-2501 Date Made Active in Reports: 04/10/2007 Last EDR Contact: 12/17/2007 Number of Days to Update: 40 Next Scheduled EDR Contact: 03/17/2008 Data Release Frequency: No Update Planned

HIST FTTS INSP: FIFRA/TSCA Tracking System Inspection & Enforcement Case Listing A complete inspection and enforcement case listing from the FIFRA/TSCA Tracking System (FTTS) for all ten EPA regions. The information was obtained from the National Compliance Database (NCDB). NCDB supports the implementation of FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act) and TSCA (Toxic Substances Control Act). Some EPA regions are now closing out records. Because of that, and the fact that some EPA regions are not providing EPA Headquarters with updated records, it was decided to create a HIST FTTS database. It included records that may not be included in the newer FTTS database updates. This database is no longer updated. Date of Government Version: 10/19/2006 Source: Environmental Protection Agency Date Data Arrived at EDR: 03/01/2007 Telephone: 202-564-2501 Date Made Active in Reports: 04/10/2007 Last EDR Contact: 12/17/2008 Number of Days to Update: 40 Next Scheduled EDR Contact: 03/17/2008 Data Release Frequency: No Update Planned

DOT OPS: Incident and Accident Data Department of Transporation, Office of Pipeline Safety Incident and Accident data. Date of Government Version: 12/03/2018 Source: Department of Transporation, Office of Pipeline Safety Date Data Arrived at EDR: 01/29/2019 Telephone: 202-366-4595 Date Made Active in Reports: 03/21/2019 Last EDR Contact: 04/30/2019 Number of Days to Update: 51 Next Scheduled EDR Contact: 08/12/2019 Data Release Frequency: Quarterly

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CONSENT: Superfund (CERCLA) Consent Decrees Major legal settlements that establish responsibility and standards for cleanup at NPL (Superfund) sites. Released periodically by United States District Courts after settlement by parties to litigation matters. Date of Government Version: 12/31/2018 Source: Department of Justice, Consent Decree Library Date Data Arrived at EDR: 02/11/2019 Telephone: Varies Date Made Active in Reports: 03/21/2019 Last EDR Contact: 04/05/2019 Number of Days to Update: 38 Next Scheduled EDR Contact: 07/22/2019 Data Release Frequency: Varies

BRS: Biennial Reporting System The Biennial Reporting System is a national system administered by the EPA that collects data on the generation and management of hazardous waste. BRS captures detailed data from two groups: Large Quantity Generators (LQG) and Treatment, Storage, and Disposal Facilities. Date of Government Version: 12/31/2015 Source: EPA/NTIS Date Data Arrived at EDR: 02/22/2017 Telephone: 800-424-9346 Date Made Active in Reports: 09/28/2017 Last EDR Contact: 02/13/2019 Number of Days to Update: 218 Next Scheduled EDR Contact: 06/03/2019 Data Release Frequency: Biennially

INDIAN RESERV: Indian Reservations This map layer portrays Indian administered lands of the United States that have any area equal to or greater than 640 acres. Date of Government Version: 12/31/2014 Source: USGS Date Data Arrived at EDR: 07/14/2015 Telephone: 202-208-3710 Date Made Active in Reports: 01/10/2017 Last EDR Contact: 04/11/2019 Number of Days to Update: 546 Next Scheduled EDR Contact: 07/22/2019 Data Release Frequency: Semi-Annually

FUSRAP: Formerly Utilized Sites Remedial Action Program DOE established the Formerly Utilized Sites Remedial Action Program (FUSRAP) in 1974 to remediate sites where radioactive contamination remained from Manhattan Project and early U.S. Atomic Energy Commission (AEC) operations. Date of Government Version: 08/08/2017 Source: Department of Energy Date Data Arrived at EDR: 09/11/2018 Telephone: 202-586-3559 Date Made Active in Reports: 09/14/2018 Last EDR Contact: 05/02/2019 Number of Days to Update: 3 Next Scheduled EDR Contact: 08/19/2019 Data Release Frequency: Varies

UMTRA: Uranium Mill Tailings Sites Uranium ore was mined by private companies for federal government use in national defense programs. When the mills shut down, large piles of the sand-like material (mill tailings) remain after uranium has been extracted from the ore. Levels of human exposure to radioactive materials from the piles are low; however, in some cases tailings were used as construction materials before the potential health hazards of the tailings were recognized. Date of Government Version: 06/23/2017 Source: Department of Energy Date Data Arrived at EDR: 10/11/2017 Telephone: 505-845-0011 Date Made Active in Reports: 11/03/2017 Last EDR Contact: 02/22/2019 Number of Days to Update: 23 Next Scheduled EDR Contact: 06/03/2019 Data Release Frequency: Varies

LEAD SMELTER 1: Lead Smelter Sites A listing of former lead smelter site locations. Date of Government Version: 04/11/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 04/18/2019 Telephone: 703-603-8787 Date Made Active in Reports: 05/14/2019 Last EDR Contact: 04/18/2019 Number of Days to Update: 26 Next Scheduled EDR Contact: 07/15/2019 Data Release Frequency: Varies

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LEAD SMELTER 2: Lead Smelter Sites A list of several hundred sites in the U.S. where secondary lead smelting was done from 1931and 1964. These sites may pose a threat to public health through ingestion or inhalation of contaminated soil or dust Date of Government Version: 04/05/2001 Source: American Journal of Public Health Date Data Arrived at EDR: 10/27/2010 Telephone: 703-305-6451 Date Made Active in Reports: 12/02/2010 Last EDR Contact: 12/02/2009 Number of Days to Update: 36 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

US AIRS (AFS): Aerometric Information Retrieval System Facility Subsystem (AFS) The database is a sub-system of Aerometric Information Retrieval System (AIRS). AFS contains compliance data on air pollution point sources regulated by the U.S. EPA and/or state and local air regulatory agencies. This information comes from source reports by various stationary sources of air pollution, such as electric power plants, steel mills, factories, and universities, and provides information about the air pollutants they produce. Action, air program, air program pollutant, and general level plant data. It is used to track emissions and compliance data from industrial plants. Date of Government Version: 10/12/2016 Source: EPA Date Data Arrived at EDR: 10/26/2016 Telephone: 202-564-2496 Date Made Active in Reports: 02/03/2017 Last EDR Contact: 09/26/2017 Number of Days to Update: 100 Next Scheduled EDR Contact: 01/08/2018 Data Release Frequency: Annually

US AIRS MINOR: Air Facility System Data A listing of minor source facilities. Date of Government Version: 10/12/2016 Source: EPA Date Data Arrived at EDR: 10/26/2016 Telephone: 202-564-2496 Date Made Active in Reports: 02/03/2017 Last EDR Contact: 09/26/2017 Number of Days to Update: 100 Next Scheduled EDR Contact: 01/08/2018 Data Release Frequency: Annually

US MINES: Mines Master Index File Contains all mine identification numbers issued for mines active or opened since 1971. The data also includes violation information. Date of Government Version: 11/27/2018 Source: Department of Labor, Mine Safety and Health Administration Date Data Arrived at EDR: 02/27/2019 Telephone: 303-231-5959 Date Made Active in Reports: 04/01/2019 Last EDR Contact: 02/27/2019 Number of Days to Update: 33 Next Scheduled EDR Contact: 06/10/2019 Data Release Frequency: Semi-Annually

US MINES 2: Ferrous and Nonferrous Metal Mines Database Listing This map layer includes ferrous (ferrous metal mines are facilities that extract ferrous metals, such as iron ore or molybdenum) and nonferrous (Nonferrous metal mines are facilities that extract nonferrous metals, such as gold, silver, copper, zinc, and lead) metal mines in the United States. Date of Government Version: 12/05/2005 Source: USGS Date Data Arrived at EDR: 02/29/2008 Telephone: 703-648-7709 Date Made Active in Reports: 04/18/2008 Last EDR Contact: 03/01/2019 Number of Days to Update: 49 Next Scheduled EDR Contact: 06/10/2019 Data Release Frequency: Varies

US MINES 3: Active Mines & Mineral Plants Database Listing Active Mines and Mineral Processing Plant operations for commodities monitored by the Minerals Information Team of the USGS. Date of Government Version: 04/14/2011 Source: USGS Date Data Arrived at EDR: 06/08/2011 Telephone: 703-648-7709 Date Made Active in Reports: 09/13/2011 Last EDR Contact: 03/01/2019 Number of Days to Update: 97 Next Scheduled EDR Contact: 06/10/2019 Data Release Frequency: Varies

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ABANDONED MINES: Abandoned Mines An inventory of land and water impacted by past mining (primarily coal mining) is maintained by OSMRE to provide information needed to implement the Surface Mining Control and Reclamation Act of 1977 (SMCRA). The inventory contains information on the location, type, and extent of AML impacts, as well as, information on the cost associated with the reclamation of those problems. The inventory is based upon field surveys by State, Tribal, and OSMRE program officials. It is dynamic to the extent that it is modified as new problems are identified and existing problems are reclaimed. Date of Government Version: 03/27/2019 Source: Department of Interior Date Data Arrived at EDR: 03/28/2019 Telephone: 202-208-2609 Date Made Active in Reports: 05/01/2019 Last EDR Contact: 03/21/2019 Number of Days to Update: 34 Next Scheduled EDR Contact: 06/24/2019 Data Release Frequency: Quarterly

FINDS: Facility Index System/Facility Registry System Facility Index System. FINDS contains both facility information and ’pointers’ to other sources that contain more detail. EDR includes the following FINDS databases in this report: PCS (Permit Compliance System), AIRS (Aerometric Information Retrieval System), DOCKET (Enforcement Docket used to manage and track information on civil judicial enforcement cases for all environmental statutes), FURS (Federal Underground Injection Control), C-DOCKET (Criminal Docket System used to track criminal enforcement actions for all environmental statutes), FFIS (Federal Facilities Information System), STATE (State Environmental Laws and Statutes), and PADS (PCB Activity Data System). Date of Government Version: 02/15/2019 Source: EPA Date Data Arrived at EDR: 03/05/2019 Telephone: (303) 312-6312 Date Made Active in Reports: 03/15/2019 Last EDR Contact: 03/05/2019 Number of Days to Update: 10 Next Scheduled EDR Contact: 06/17/2019 Data Release Frequency: Quarterly

DOCKET HWC: Hazardous Waste Compliance Docket Listing A complete list of the Federal Agency Hazardous Waste Compliance Docket Facilities. Date of Government Version: 05/31/2018 Source: Environmental Protection Agency Date Data Arrived at EDR: 07/26/2018 Telephone: 202-564-0527 Date Made Active in Reports: 10/05/2018 Last EDR Contact: 03/01/2019 Number of Days to Update: 71 Next Scheduled EDR Contact: 06/10/2019 Data Release Frequency: Varies

ECHO: Enforcement & Compliance History Information ECHO provides integrated compliance and enforcement information for about 800,000 regulated facilities nationwide. Date of Government Version: 03/03/2019 Source: Environmental Protection Agency Date Data Arrived at EDR: 03/05/2019 Telephone: 202-564-2280 Date Made Active in Reports: 04/01/2019 Last EDR Contact: 04/09/2019 Number of Days to Update: 27 Next Scheduled EDR Contact: 07/22/2019 Data Release Frequency: Quarterly

UXO: Unexploded Ordnance Sites A listing of unexploded ordnance site locations Date of Government Version: 12/31/2017 Source: Department of Defense Date Data Arrived at EDR: 01/17/2019 Telephone: 703-704-1564 Date Made Active in Reports: 04/01/2019 Last EDR Contact: 04/15/2019 Number of Days to Update: 74 Next Scheduled EDR Contact: 07/29/2019 Data Release Frequency: Varies

FUELS PROGRAM: EPA Fuels Program Registered Listing This listing includes facilities that are registered under the Part 80 (Code of Federal Regulations) EPA Fuels Programs. All companies now are required to submit new and updated registrations.

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Date of Government Version: 02/19/2019 Source: EPA Date Data Arrived at EDR: 02/21/2019 Telephone: 800-385-6164 Date Made Active in Reports: 04/01/2019 Last EDR Contact: 02/21/2019 Number of Days to Update: 39 Next Scheduled EDR Contact: 06/03/2019 Data Release Frequency: Quarterly

AIRS: Permitted Facility & Emissions Listing A listing of Air Pollution Control Division permits and emissions data. Date of Government Version: 03/04/2019 Source: Department of Public Health & Environment Date Data Arrived at EDR: 03/05/2019 Telephone: 303-692-3213 Date Made Active in Reports: 04/09/2019 Last EDR Contact: 02/27/2019 Number of Days to Update: 35 Next Scheduled EDR Contact: 06/27/2019 Data Release Frequency: Varies

ASBESTOS: Asbestos Abatement & Demolition Projects Asbestos abatement and demolition projects by the contractor. Date of Government Version: 02/26/2019 Source: Department of Public Health & Environment Date Data Arrived at EDR: 02/28/2019 Telephone: 303-692-3100 Date Made Active in Reports: 04/09/2019 Last EDR Contact: 05/02/2019 Number of Days to Update: 40 Next Scheduled EDR Contact: 08/19/2019 Data Release Frequency: Semi-Annually

METHANE SITE: Methane Site Investigations - Jefferson County 1980 The objectives of the study are to define as closely as possible the boundaries of methane producing solid waste landfills. Date of Government Version: 12/31/1980 Source: Jefferson County Health Department Date Data Arrived at EDR: 02/13/1995 Telephone: 303-239-7175 Date Made Active in Reports: 04/04/1995 Last EDR Contact: 01/27/1995 Number of Days to Update: 50 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

METHANE INVESTIGATION: Methane Gas & Swamp Findings The primary objective of this study was to assess methane gas related hazards at selected landfill sites in Colorado. These sites were selected by the Colorado Department of Health following evaluation of responses received from County and Municipal agencies about completed and existing landfills within their jurisdiction. Date of Government Version: 03/15/1979 Source: Department of Health Date Data Arrived at EDR: 02/13/1995 Telephone: 303-640-3335 Date Made Active in Reports: 04/04/1995 Last EDR Contact: 01/27/1995 Number of Days to Update: 50 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

DRYCLEANERS: Drycleaner Facilities A listing of drycleaning facilities. Date of Government Version: 03/04/2019 Source: Department of Public Health & Environment Date Data Arrived at EDR: 03/05/2019 Telephone: 303-692-3213 Date Made Active in Reports: 04/09/2019 Last EDR Contact: 02/27/2019 Number of Days to Update: 35 Next Scheduled EDR Contact: 06/17/2019 Data Release Frequency: Varies

Financial Assurance 1: Financial Assurance Information Listing A listing of financial assurance information for hazardous waste facilities. Financial assurance is intended to ensure that resources are available to pay for the cost of closure, post-closure care, and corrective measures if the owner or operator of a regulated facility is unable or unwilling to pay.

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Date of Government Version: 12/31/2018 Source: Department of Public Health & Environment Date Data Arrived at EDR: 01/03/2019 Telephone: 303-692-3350 Date Made Active in Reports: 01/08/2019 Last EDR Contact: 03/29/2019 Number of Days to Update: 5 Next Scheduled EDR Contact: 07/15/2019 Data Release Frequency: Varies

Financial Assurance 2: Financial Assurance Information Listing A listing of financial assurance information for solid waste facilities. Financial assurance is intended to ensure that resources are available to pay for the cost of closure, post-closure care, and corrective measures if the owner or operator of a regulated facility is unable or unwilling to pay. Date of Government Version: 12/31/2018 Source: Department of Public Health & Environment Date Data Arrived at EDR: 01/03/2019 Telephone: 303-392-3350 Date Made Active in Reports: 01/08/2019 Last EDR Contact: 03/29/2019 Number of Days to Update: 5 Next Scheduled EDR Contact: 07/15/2019 Data Release Frequency: Quarterly

LEAD: Lead Abatement Permit Listing Lead inspection Date of Government Version: 02/26/2019 Source: Department of Publich Health & Environment Date Data Arrived at EDR: 02/28/2019 Telephone: 303-692-2000 Date Made Active in Reports: 04/09/2019 Last EDR Contact: 05/02/2019 Number of Days to Update: 40 Next Scheduled EDR Contact: 08/19/2019 Data Release Frequency: Varies

MINES: Permitted Mines Listing This dataset represents permitted mines in the State of Colorado Date of Government Version: 12/14/2018 Source: Division of Reclamation Mining and safety Date Data Arrived at EDR: 01/15/2019 Telephone: 303-866-3567 Date Made Active in Reports: 03/11/2019 Last EDR Contact: 04/16/2019 Number of Days to Update: 55 Next Scheduled EDR Contact: 07/29/2019 Data Release Frequency: Semi-Annually

NPDES: Permitted Facility Listing A listing of permitted facilities from the Water Quality Control Division. Date of Government Version: 01/07/2019 Source: Department of Public Health & Environment Date Data Arrived at EDR: 01/30/2019 Telephone: 303-692-3611 Date Made Active in Reports: 03/28/2019 Last EDR Contact: 04/25/2019 Number of Days to Update: 57 Next Scheduled EDR Contact: 08/12/2019 Data Release Frequency: Varies

UIC: Underground Injection Control A list of underground injection wells and their locations. Date of Government Version: 08/11/2018 Source: Oil & Gas Conservation Commission Date Data Arrived at EDR: 08/16/2018 Telephone: 303-894-2100 Date Made Active in Reports: 11/01/2018 Last EDR Contact: 05/09/2019 Number of Days to Update: 77 Next Scheduled EDR Contact: 08/26/2019 Data Release Frequency: Varies

UMTRA: Uranium Mill Tailings Sites There were nine uranium mill tailings sites in Colorado designated for cleanup under the federal Uranium Mill Tailings Radiation Control Act. These nine sites, know commonly as UMTRA sites, were remediated jointly by the State of Colorado and the U.S. Department of Energy during the late 1980’s and early 1990’s. Mill tailings were removed from 8 of the mill sites and relocated in engineered disposal cells. A disposal cell is designed to encapsulate the material, reduce radon emanation, and prevent the movement of water through the material. At one site, Maybell, CO, the tailings were stabilized in-place at the mill site. After remediation of the tailings was completed, the State and DOE began to investigate the residual impacts to groundwater at the mill sites. The groundwater phase of the UMTRA program is on-going.

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Date of Government Version: 11/23/2004 Source: Department of Public Health & Environment Date Data Arrived at EDR: 03/21/2007 Telephone: 970-248-7164 Date Made Active in Reports: 05/02/2007 Last EDR Contact: 02/13/2019 Number of Days to Update: 42 Next Scheduled EDR Contact: 06/03/2019 Data Release Frequency: Varies EDR HIGH RISK HISTORICAL RECORDS

EDR Exclusive Records

EDR MGP: EDR Proprietary Manufactured Gas Plants The EDR Proprietary Manufactured Gas Plant Database includes records of coal gas plants (manufactured gas plants) compiled by EDR’s researchers. Manufactured gas sites were used in the United States from the 1800’s to 1950’s to produce a gas that could be distributed and used as fuel. These plants used whale oil, rosin, coal, or a mixture of coal, oil, and water that also produced a significant amount of waste. Many of the byproducts of the gas production, such as coal tar (oily waste containing volatile and non-volatile chemicals), sludges, oils and other compounds are potentially hazardous to human health and the environment. The byproduct from this process was frequently disposed of directly at the plant site and can remain or spread slowly, serving as a continuous source of soil and groundwater contamination. Date of Government Version: N/A Source: EDR, Inc. Date Data Arrived at EDR: N/A Telephone: N/A Date Made Active in Reports: N/A Last EDR Contact: N/A Number of Days to Update: N/A Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

EDR Hist Auto: EDR Exclusive Historical Auto Stations EDR has searched selected national collections of business directories and has collected listings of potential gas station/filling station/service station sites that were available to EDR researchers. EDR’s review was limited to those categories of sources that might, in EDR’s opinion, include gas station/filling station/service station establishments. The categories reviewed included, but were not limited to gas, gas station, gasoline station, filling station, auto, automobile repair, auto service station, service station, etc. This database falls within a category of information EDR classifies as "High Risk Historical Records", or HRHR. EDR’s HRHR effort presents unique and sometimes proprietary data about past sites and operations that typically create environmental concerns, but may not show up in current government records searches. Date of Government Version: N/A Source: EDR, Inc. Date Data Arrived at EDR: N/A Telephone: N/A Date Made Active in Reports: N/A Last EDR Contact: N/A Number of Days to Update: N/A Next Scheduled EDR Contact: N/A Data Release Frequency: Varies

EDR Hist Cleaner: EDR Exclusive Historical Cleaners EDR has searched selected national collections of business directories and has collected listings of potential dry cleaner sites that were available to EDR researchers. EDR’s review was limited to those categories of sources that might, in EDR’s opinion, include dry cleaning establishments. The categories reviewed included, but were not limited to dry cleaners, cleaners, laundry, laundromat, cleaning/laundry, wash & dry etc. This database falls within a category of information EDR classifies as "High Risk Historical Records", or HRHR. EDR’s HRHR effort presents unique and sometimes proprietary data about past sites and operations that typically create environmental concerns, but may not show up in current government records searches. Date of Government Version: N/A Source: EDR, Inc. Date Data Arrived at EDR: N/A Telephone: N/A Date Made Active in Reports: N/A Last EDR Contact: N/A Number of Days to Update: N/A Next Scheduled EDR Contact: N/A Data Release Frequency: Varies EDR RECOVERED GOVERNMENT ARCHIVES

Exclusive Recovered Govt. Archives

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RGA LF: Recovered Government Archive Solid Waste Facilities List The EDR Recovered Government Archive Landfill database provides a list of landfills derived from historical databases and includes many records that no longer appear in current government lists. Compiled from Records formerly available from the Department of Public Health & Environment in Colorado. Date of Government Version: N/A Source: Department of Public Health & Environment Date Data Arrived at EDR: 07/01/2013 Telephone: N/A Date Made Active in Reports: 01/15/2014 Last EDR Contact: 06/01/2012 Number of Days to Update: 198 Next Scheduled EDR Contact: N/A Data Release Frequency: Varies

RGA LUST: Recovered Government Archive Leaking Underground Storage Tank The EDR Recovered Government Archive Leaking Underground Storage Tank database provides a list of LUST incidents derived from historical databases and includes many records that no longer appear in current government lists. Compiled from Records formerly available from the Department of Labor and Employment, Oil Inspection Section in Colorado. Date of Government Version: N/A Source: Department of Labor and Employment, Oil Inspection Section Date Data Arrived at EDR: 07/01/2013 Telephone: N/A Date Made Active in Reports: 01/02/2014 Last EDR Contact: 06/01/2012 Number of Days to Update: 185 Next Scheduled EDR Contact: N/A Data Release Frequency: Varies COUNTY RECORDS

ADAMS COUNTY:

LF ADAMS: Summary Report on Methane Gas Hazards and Surveys Conducted on Domestic and Demolition Landfills in Adams County As of May 8, 1978, all known landfills or dumping sites in the Adams County area have been surveyed. Date of Government Version: 05/08/1978 Source: Tri-County Health Department Date Data Arrived at EDR: 02/16/1995 Telephone: 303-761-1340 Date Made Active in Reports: 04/04/1995 Last EDR Contact: 01/27/1995 Number of Days to Update: 47 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

ARAPAHOE COUNTY:

LF ARAPAHOE: A Survey of Landfills in Arapahoe County A survey of Arapahoe County was conducted from August through November, 1977, of all open and closed landfills and dumpsites in the county. Each of the sites found was classified as domestic or demolition. Date of Government Version: 12/31/1978 Source: Tri-County Health Department Date Data Arrived at EDR: 02/16/1995 Telephone: 303-761-1340 Date Made Active in Reports: 04/04/1995 Last EDR Contact: 01/27/1995 Number of Days to Update: 47 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

BOULDER COUNTY:

LF BOULDER: Old Landfill Sites Landfill sites in Boulder county. Date of Government Version: 05/01/1986 Source: Boulder County Health Department Date Data Arrived at EDR: 11/14/1995 Telephone: 303-441-1182 Date Made Active in Reports: 12/07/1995 Last EDR Contact: 01/30/1998 Number of Days to Update: 23 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

DENVER COUNTY:

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LF DENVER: Landfills in Denver County Landfill sites in the city and county of Denver. Date of Government Version: 06/23/2017 Source: City and County of Denver Date Data Arrived at EDR: 06/23/2017 Telephone: 720-913-4839 Date Made Active in Reports: 09/06/2017 Last EDR Contact: 04/03/2019 Number of Days to Update: 75 Next Scheduled EDR Contact: 07/01/2019 Data Release Frequency: No Update Planned

LF DENVER CO METHANE: Investigation of Methane Gas Hazards The purpose of this study was to assess the actual and potential generation, migration, explosive and related problem associated with specified old landfills, and to identify existing and potential problems, suggested strategies to prevent, abate, and control such problems and recommend investigative and monitoring functions as may be deemed necessary. Eight sites determined to be priorities due to population density and potential hazards to population and property were selected by the Colorado Department of Health. Date of Government Version: 01/01/1981 Source: City and County of Denver Department of Environmental Health Date Data Arrived at EDR: 01/29/2013 Telephone: 720-865-5522 Date Made Active in Reports: 03/08/2013 Last EDR Contact: 01/15/2013 Number of Days to Update: 38 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

DOUGLAS COUNTY:

LF DOUGLAS: Douglas County Landfill Key Landfill sites in Douglas county. Date of Government Version: 06/12/1991 Source: Tri-County Health Department Date Data Arrived at EDR: 02/16/1995 Telephone: 303-761-1340 Date Made Active in Reports: 04/04/1995 Last EDR Contact: 01/27/1995 Number of Days to Update: 47 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

PUEBLO COUNTY:

LF PUEBLO: Designated Disposal & Landfill Sites Only inert materials. Asphalt, cement, dirt & rock unless otherwise specified. These sites are no longer active. Date of Government Version: 04/30/1990 Source: Pueblo City-County Health Department Date Data Arrived at EDR: 11/16/1995 Telephone: 719-583-4300 Date Made Active in Reports: 12/07/1995 Last EDR Contact: 11/13/1995 Number of Days to Update: 21 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

TRI COUNTY:

LF TRI: Tri-County Area Solid Waste Facilities List (Adams, Arapahoe and Douglas Counties) Closed Domestic Landfills in Adams County, Closed Domestic Landfills in Arapahoe County, Closed Demolition Landfills in Arapahoe County, Closed Domestic Landfills in Douglas County. Date of Government Version: 10/15/1983 Source: Tri-County Health Department Date Data Arrived at EDR: 02/16/1995 Telephone: 303-761-1340 Date Made Active in Reports: 04/04/1995 Last EDR Contact: 01/27/1995 Number of Days to Update: 47 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned

WELD COUNTY:

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LF WELD: Solid Waste Facilities in Weld County Solid Waste Facilities in Weld County. Date of Government Version: 01/16/2018 Source: Weld County Department of Public Health Date Data Arrived at EDR: 02/09/2018 Telephone: 970-304-6415 Date Made Active in Reports: 02/23/2018 Last EDR Contact: 05/10/2019 Number of Days to Update: 14 Next Scheduled EDR Contact: 08/19/2019 Data Release Frequency: No Update Planned

OTHER DATABASE(S)

Depending on the geographic area covered by this report, the data provided in these specialty databases may or may not be complete. For example, the existence of wetlands information data in a specific report does not mean that all wetlands in the area covered by the report are included. Moreover, the absence of any reported wetlands information does not necessarily mean that wetlands do not exist in the area covered by the report.

CT MANIFEST: Hazardous Waste Manifest Data Facility and manifest data. Manifest is a document that lists and tracks hazardous waste from the generator through transporters to a tsd facility. Date of Government Version: 02/11/2019 Source: Department of Energy & Environmental Protection Date Data Arrived at EDR: 02/12/2019 Telephone: 860-424-3375 Date Made Active in Reports: 03/04/2019 Last EDR Contact: 05/14/2019 Number of Days to Update: 20 Next Scheduled EDR Contact: 08/26/2019 Data Release Frequency: No Update Planned

NY MANIFEST: Facility and Manifest Data Manifest is a document that lists and tracks hazardous waste from the generator through transporters to a TSD facility. Date of Government Version: 01/01/2019 Source: Department of Environmental Conservation Date Data Arrived at EDR: 01/30/2019 Telephone: 518-402-8651 Date Made Active in Reports: 02/14/2019 Last EDR Contact: 05/01/2019 Number of Days to Update: 15 Next Scheduled EDR Contact: 08/12/2019 Data Release Frequency: Quarterly

PA MANIFEST: Manifest Information Hazardous waste manifest information. Date of Government Version: 12/31/2017 Source: Department of Environmental Protection Date Data Arrived at EDR: 10/23/2018 Telephone: 717-783-8990 Date Made Active in Reports: 11/27/2018 Last EDR Contact: 04/15/2019 Number of Days to Update: 35 Next Scheduled EDR Contact: 07/29/2019 Data Release Frequency: Annually

WI MANIFEST: Manifest Information Hazardous waste manifest information. Date of Government Version: 12/31/2017 Source: Department of Natural Resources Date Data Arrived at EDR: 06/15/2018 Telephone: N/A Date Made Active in Reports: 07/09/2018 Last EDR Contact: 03/11/2019 Number of Days to Update: 24 Next Scheduled EDR Contact: 06/24/2019 Data Release Frequency: Annually

Oil/Gas Pipelines Source: PennWell Corporation Petroleum Bundle (Crude Oil, Refined Products, Petrochemicals, Gas Liquids (LPG/NGL), and Specialty Gases (Miscellaneous)) N = Natural Gas Bundle (Natural Gas, Gas Liquids (LPG/NGL), and Specialty Gases (Miscellaneous)). This map includes information copyrighted by PennWell Corporation. This information is provided on a best effort basis and PennWell Corporation does not guarantee its accuracy nor warrant its fitness for any particular purpose. Such information has been reprinted with the permission of PennWell.

Electric Power Transmission Line Data Source: PennWell Corporation This map includes information copyrighted by PennWell Corporation. This information is provided on a best effort basis and PennWell Corporation does not guarantee its accuracy nor warrant its fitness for any particular purpose. Such information has been reprinted with the permission of PennWell.

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Sensitive Receptors: There are individuals deemed sensitive receptors due to their fragile immune systems and special sensitivity to environmental discharges. These sensitive receptors typically include the elderly, the sick, and children. While the location of all sensitive receptors cannot be determined, EDR indicates those buildings and facilities - schools, daycares, hospitals, medical centers, and nursing homes - where individuals who are sensitive receptors are likely to be located.

AHA Hospitals: Source: American Hospital Association, Inc. Telephone: 312-280-5991 The database includes a listing of hospitals based on the American Hospital Association’s annual survey of hospitals. Medical Centers: Provider of Services Listing Source: Centers for Medicare & Medicaid Services Telephone: 410-786-3000 A listing of hospitals with Medicare provider number, produced by Centers of Medicare & Medicaid Services, a federal agency within the U.S. Department of Health and Human Services. Nursing Homes Source: National Institutes of Health Telephone: 301-594-6248 Information on Medicare and Medicaid certified nursing homes in the United States. Public Schools Source: National Center for Education Statistics Telephone: 202-502-7300 The National Center for Education Statistics’ primary database on elementary and secondary public education in the United States. It is a comprehensive, annual, national statistical database of all public elementary and secondary schools and school districts, which contains data that are comparable across all states. Private Schools Source: National Center for Education Statistics Telephone: 202-502-7300 The National Center for Education Statistics’ primary database on private school locations in the United States. Daycare Centers: Daycare Listing Source: Department of Human Services Telephone: 303-866-5958

Flood Zone Data: This data was obtained from the Federal Emergency Management Agency (FEMA). It depicts 100-year and 500-year flood zones as defined by FEMA. It includes the National Flood Hazard Layer (NFHL) which incorporates Flood Insurance Rate Map (FIRM) data and Q3 data from FEMA in areas not covered by NFHL. Source: FEMA Telephone: 877-336-2627 Date of Government Version: 2003, 2015

NWI: National Wetlands Inventory. This data, available in select counties across the country, was obtained by EDR in 2002, 2005 and 2010 from the U.S. Fish and Wildlife Service.

State Wetlands Data: Riparian Vegetation Data Source: Division of Wildlife Telephone: 970-416-3360

Current USGS 7.5 Minute Topographic Map Source: U.S. Geological Survey

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STREET AND ADDRESS INFORMATION

© 2015 TomTom North America, Inc. All rights reserved. This material is proprietary and the subject of copyright protection and other intellectual property rights owned by or licensed to Tele Atlas North America, Inc. The use of this material is subject to the terms of a license agreement. You will be held liable for any unauthorized copying or disclosure of this material.

TC5657064.2s Page GR-28 GEOCHECK ® - PHYSICAL SETTING SOURCE ADDENDUM

TARGET PROPERTY ADDRESS

SCHOOLFIELD PLACER AND THIRD NATIONAL MINE STANLEY ROAD DUMONT, CO 80436

TARGET PROPERTY COORDINATES

Latitude (North): 39.760452 - 39˚ 45’ 37.63’’ Longitude (West): 105.577361 - 105˚ 34’ 38.50’’ Universal Tranverse Mercator: Zone 13 UTM X (Meters): 450543.4 UTM Y (Meters): 4401120.0 Elevation: 7842 ft. above sea level

USGS TOPOGRAPHIC MAP

Target Property Map: 5958890 CENTRAL CITY, CO Version Date: 2013

South Map: 5958928 IDAHO SPRINGS, CO Version Date: 2013

EDR’s GeoCheck Physical Setting Source Addendum is provided to assist the environmental professional in forming an opinion about the impact of potential contaminant migration.

Assessment of the impact of contaminant migration generally has two principle investigative components:

1. Groundwater flow direction, and 2. Groundwater flow velocity.

Groundwater flow direction may be impacted by surface topography, hydrology, hydrogeology, characteristics of the soil, and nearby wells. Groundwater flow velocity is generally impacted by the nature of the geologic strata.

TC5657064.2s Page A-1 GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY

GROUNDWATER FLOW DIRECTION INFORMATION Groundwater flow direction for a particular site is best determined by a qualified environmental professional using site-specific well data. If such data is not reasonably ascertainable, it may be necessary to rely on other sources of information, such as surface topographic information, hydrologic information, hydrogeologic data collected on nearby properties, and regional groundwater flow information (from deep aquifers).

TOPOGRAPHIC INFORMATION Surface topography may be indicative of the direction of surficial groundwater flow. This information can be used to assist the environmental professional in forming an opinion about the impact of nearby contaminated properties or, should contamination exist on the target property, what downgradient sites might be impacted.

TARGET PROPERTY TOPOGRAPHY General Topographic Gradient: General NE

SURROUNDING TOPOGRAPHY: ELEVATION PROFILES 8958 8951 8887 8799 8779 8774 8498 8476 8397 8213 8202 8185 8135 8084 8006 8003 7893 7842 7797 Elevation (ft)

North South TP 8468 8391 8385 8370 8347 8335 8270 8248 8216 8189 8180 8163 8156 8132 8029 7918 7842 7810 7800 Elevation (ft)

West East TP 0 1/2 1 Miles ✩Target Property Elevation: 7842 ft.

Source: Topography has been determined from the USGS 7.5’ Digital Elevation Model and should be evaluated on a relative (not an absolute) basis. Relative elevation information between sites of close proximity should be field verified.

TC5657064.2s Page A-2 GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY

HYDROLOGIC INFORMATION Surface water can act as a hydrologic barrier to groundwater flow. Such hydrologic information can be used to assist the environmental professional in forming an opinion about the impact of nearby contaminated properties or, should contamination exist on the target property, what downgradient sites might be impacted.

Refer to the Physical Setting Source Map following this summary for hydrologic information (major waterways and bodies of water).

FEMA FLOOD ZONE

Flood Plain Panel at Target Property FEMA Source Type

08019C0089D FEMA FIRM Flood data

Additional Panels in search area: FEMA Source Type

08019C0093D FEMA FIRM Flood data 08019C0088D FEMA FIRM Flood data 08019C0202D FEMA FIRM Flood data

NATIONAL WETLAND INVENTORY NWI Electronic NWI Quad at Target Property Data Coverage NOT AVAILABLE YES - refer to the Overview Map and Detail Map

HYDROGEOLOGIC INFORMATION Hydrogeologic information obtained by installation of wells on a specific site can often be an indicator of groundwater flow direction in the immediate area. Such hydrogeologic information can be used to assist the environmental professional in forming an opinion about the impact of nearby contaminated properties or, should contamination exist on the target property, what downgradient sites might be impacted.

AQUIFLOW® Search Radius: 1.000 Mile.

EDR has developed the AQUIFLOW Information System to provide data on the general direction of groundwater flow at specific points. EDR has reviewed reports submitted by environmental professionals to regulatory authorities at select sites and has extracted the date of the report, groundwater flow direction as determined hydrogeologically, and the depth to water table.

LOCATION GENERAL DIRECTION MAP ID FROM TP GROUNDWATER FLOW Not Reported

TC5657064.2s Page A-3 GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY

GROUNDWATER FLOW VELOCITY INFORMATION Groundwater flow velocity information for a particular site is best determined by a qualified environmental professional using site specific geologic and soil strata data. If such data are not reasonably ascertainable, it may be necessary to rely on other sources of information, including geologic age identification, rock stratigraphic unit and soil characteristics data collected on nearby properties and regional soil information. In general, contaminant plumes move more quickly through sandy-gravelly types of soils than silty-clayey types of soils.

GEOLOGIC INFORMATION IN GENERAL AREA OF TARGET PROPERTY Geologic information can be used by the environmental professional in forming an opinion about the relative speed at which contaminant migration may be occurring.

ROCK STRATIGRAPHIC UNIT GEOLOGIC AGE IDENTIFICATION

Era: Precambrian Category: Metamorphic Rocks System: Precambrian Series: Orthogneiss and paragneiss Code: Xm (decoded above as Era, System & Series)

Geologic Age and Rock Stratigraphic Unit Source: P.G. Schruben, R.E. Arndt and W.J. Bawiec, Geology of the Conterminous U.S. at 1:2,500,000 Scale - a digital representation of the 1974 P.B. King and H.M. Beikman Map, USGS Digital Data Series DDS - 11 (1994).

TC5657064.2s Page A-4 5

3 1

0 1/16 1/8 1/4 Miles

EDR Inc. GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY

DOMINANT SOIL COMPOSITION IN GENERAL AREA OF TARGET PROPERTY

The U.S. Department of Agriculture’s (USDA) Soil Conservation Service (SCS) leads the National Cooperative Soil Survey (NCSS) and is responsible for collecting, storing, maintaining and distributing soil survey information for privately owned lands in the United States. A soil map in a soil survey is a representation of soil patterns in a landscape. The following information is based on Soil Conservation Service SSURGO data.

Soil Map ID: 1

Soil Component Name: Lininger

Soil Surface Texture: gravelly sandy loam

Hydrologic Group: Class C - Slow infiltration rates. Soils with layers impeding downward movement of water, or soils with moderately fine or fine textures.

Soil Drainage Class: Well drained

Hydric Status: Not hydric

Corrosion Potential - Uncoated Steel: Low

Depth to Bedrock Min: > 0 inches

Depth to Watertable Min: > 0 inches

Soil Layer Information Saturated Boundary Classification hydraulic Layer Upper Lower Soil Texture Class AASHTO Group Unified Soilconductivity Soil Reaction micro m/sec (pH)

1 3 inches 9 inches gravelly sandy Not reported Not reported Max: 14.11 Max: 7.3 loam Min: 1.41 Min: 6.1 2 31 inches 38 inches sandy clay loam Not reported Not reported Max: 14.11 Max: 7.3 Min: 1.41 Min: 6.1 3 38 inches 42 inches weathered Not reported Not reported Max: 14.11 Max: 7.3 bedrock Min: 1.41 Min: 6.1 4 0 inches 3 inches gravelly sandy Not reported Not reported Max: 14.11 Max: 7.3 loam Min: 1.41 Min: 6.1 5 22 inches 31 inches sandy clay loam Not reported Not reported Max: 14.11 Max: 7.3 Min: 1.41 Min: 6.1 6 14 inches 22 inches sandy clay loam Not reported Not reported Max: 14.11 Max: 7.3 Min: 1.41 Min: 6.1 7 9 inches 14 inches sandy clay loam Not reported Not reported Max: 14.11 Max: 7.3 Min: 1.41 Min: 6.1

Soil Map ID: 2

Soil Component Name: Bendemeere

Soil Surface Texture: slightly decomposed plant material

Hydrologic Group: Class B - Moderate infiltration rates. Deep and moderately deep, moderately well and well drained soils with moderately coarse textures.

Soil Drainage Class: Well drained

TC5657064.2s Page A-6 GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY

Hydric Status: Not hydric

Corrosion Potential - Uncoated Steel: High

Depth to Bedrock Min: > 0 inches

Depth to Watertable Min: > 0 inches

Soil Layer Information Saturated Boundary Classification hydraulic Layer Upper Lower Soil Texture Class AASHTO Group Unified Soilconductivity Soil Reaction micro m/sec (pH)

1 0 inches 1 inches slightly A-8 Not reported Max: 42.34 Max: 6 Min: decomposed Min: 14.11 5.1 plant material 2 1 inches 3 inches very gravelly A-8 Not reported Max: 42.34 Max: 6 Min: sandy loam Min: 14.11 5.1 3 9 inches 20 inches very cobbly A-8 Not reported Max: 42.34 Max: 6 Min: coarse sandy Min: 14.11 5.1 loam 4 20 inches 29 inches very gravelly A-8 Not reported Max: 42.34 Max: 6 Min: loamy coarse Min: 14.11 5.1 sand 5 29 inches 42 inches very gravelly A-8 Not reported Max: 42.34 Max: 6 Min: loamy sand Min: 14.11 5.1 6 42 inches 50 inches gravelly loamy A-8 Not reported Max: 42.34 Max: 6 Min: sand Min: 14.11 5.1 7 50 inches 61 inches very gravelly A-8 Not reported Max: 42.34 Max: 6 Min: coarse sandy Min: 14.11 5.1 loam

Soil Map ID: 3

Soil Component Name: Lone Rock

Soil Surface Texture: gravelly sandy loam

Hydrologic Group: Class B - Moderate infiltration rates. Deep and moderately deep, moderately well and well drained soils with moderately coarse textures.

Soil Drainage Class: Somewhat excessively drained

Hydric Status: Partially hydric

Corrosion Potential - Uncoated Steel: Moderate

Depth to Bedrock Min: > 0 inches

Depth to Watertable Min: > 0 inches

TC5657064.2s Page A-7 GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY

Soil Layer Information Saturated Boundary Classification hydraulic Layer Upper Lower Soil Texture Class AASHTO Group Unified Soilconductivity Soil Reaction micro m/sec (pH)

1 0 inches 9 inches gravelly sandy Not reported Not reported Max: 141.14 Max: 7.3 loam Min: 42.34 Min: 6.1 2 12 inches 27 inches very gravelly Not reported Not reported Max: 141.14 Max: 7.3 loamy sand Min: 42.34 Min: 6.1 3 27 inches 59 inches extremely Not reported Not reported Max: 141.14 Max: 7.3 gravelly sand Min: 42.34 Min: 6.1 4 9 inches 12 inches very gravelly Not reported Not reported Max: 141.14 Max: 7.3 loamy sand Min: 42.34 Min: 6.1

Soil Map ID: 4

Soil Component Name: Cathedral

Soil Surface Texture: very gravelly sandy loam

Hydrologic Group: Class D - Very slow infiltration rates. Soils are clayey, have a high water table, or are shallow to an impervious layer.

Soil Drainage Class: Well drained

Hydric Status: Not hydric

Corrosion Potential - Uncoated Steel: Moderate

Depth to Bedrock Min: > 0 inches

Depth to Watertable Min: > 0 inches

Soil Layer Information Saturated Boundary Classification hydraulic Layer Upper Lower Soil Texture Class AASHTO Group Unified Soilconductivity Soil Reaction micro m/sec (pH)

1 5 inches 11 inches very gravelly Not reported COARSE-GRAINED Max: 42.34 Max: 7.3 sandy loam SOILS, Sands, Min: 14.11 Min: 6.6 Sands with fines, Silty Sand. 2 11 inches 14 inches unweathered Not reported COARSE-GRAINED Max: 42.34 Max: 7.3 bedrock SOILS, Sands, Min: 14.11 Min: 6.6 Sands with fines, Silty Sand.

TC5657064.2s Page A-8 GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY

Soil Layer Information Saturated Boundary Classification hydraulic Layer Upper Lower Soil Texture Class AASHTO Group Unified Soilconductivity Soil Reaction micro m/sec (pH)

3 3 inches 5 inches very gravelly Not reported COARSE-GRAINED Max: 42.34 Max: 7.3 sandy loam SOILS, Sands, Min: 14.11 Min: 6.6 Sands with fines, Silty Sand. 4 0 inches 3 inches very cobbly Not reported COARSE-GRAINED Max: 42.34 Max: 7.3 coarse sandy SOILS, Sands, Min: 14.11 Min: 6.6 loam Sands with fines, Silty Sand.

Soil Map ID: 5

Soil Component Name: Rock outcrop

Soil Surface Texture: unweathered bedrock

Hydrologic Group: Class D - Very slow infiltration rates. Soils are clayey, have a high water table, or are shallow to an impervious layer.

Soil Drainage Class: Hydric Status: Not hydric

Corrosion Potential - Uncoated Steel: Not Reported

Depth to Bedrock Min: > 0 inches

Depth to Watertable Min: > 0 inches

Soil Layer Information Saturated Boundary Classification hydraulic Layer Upper Lower Soil Texture Class AASHTO Group Unified Soilconductivity Soil Reaction micro m/sec (pH)

1 0 inches 59 inches unweathered Not reported Not reported Max: 0.01 Max: Min: bedrock Min: 0

LOCAL / REGIONAL WATER AGENCY RECORDS

EDR Local/Regional Water Agency records provide water well information to assist the environmental professional in assessing sources that may impact ground water flow direction, and in forming an opinion about the impact of contaminant migration on nearby drinking water wells.

TC5657064.2s Page A-9 GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY

WELL SEARCH DISTANCE INFORMATION

DATABASE SEARCH DISTANCE (miles) Federal USGS 1.000 Federal FRDS PWS Nearest PWS within 0.001 miles State Database 1.000

FEDERAL USGS WELL INFORMATION LOCATION MAP ID WELL ID FROM TP No Wells Found

FEDERAL FRDS PUBLIC WATER SUPPLY SYSTEM INFORMATION LOCATION MAP ID WELL ID FROM TP No PWS System Found

Note: PWS System location is not always the same as well location.

STATE DATABASE WELL INFORMATION LOCATION MAP ID WELL ID FROM TP 1 CO7000000226233 0 - 1/8 Mile NNW 2 CO7000000067695 1/4 - 1/2 Mile SW 3 CO7000000106947 1/4 - 1/2 Mile NNE 4 CO7000000069268 1/4 - 1/2 Mile West 5 CO7000000273230 1/2 - 1 Mile WNW 6 CO7000000321599 1/2 - 1 Mile East 7 CO7000000067799 1/2 - 1 Mile SE A8 CO7000000062833 1/2 - 1 Mile ESE A9 CO7000000325137 1/2 - 1 Mile ESE 10 CO7000000112704 1/2 - 1 Mile SW 11 CO7000000415588 1/2 - 1 Mile ESE 12 CO7000000227880 1/2 - 1 Mile WNW B13 CO7000000079329 1/2 - 1 Mile West B14 CO7000000268307 1/2 - 1 Mile West B15 CO7000000069568 1/2 - 1 Mile West B16 CO7000000196208 1/2 - 1 Mile West B17 CO7000000322010 1/2 - 1 Mile West C18 CO7000000196054 1/2 - 1 Mile North C19 CO7000000257863 1/2 - 1 Mile North D20 CO7000000409379 1/2 - 1 Mile West D21 CO7000000067917 1/2 - 1 Mile West 22 CO7000000311593 1/2 - 1 Mile NW D23 CO7000000305526 1/2 - 1 Mile West 24 CO7000000496169 1/2 - 1 Mile SW 25 CO7000000469245 1/2 - 1 Mile SW

TC5657064.2s Page A-10 GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY

STATE DATABASE WELL INFORMATION LOCATION MAP ID WELL ID FROM TP 26 CO7000000482539 1/2 - 1 Mile NNW 27 CO7000000107804 1/2 - 1 Mile WSW E28 CO7000000344359 1/2 - 1 Mile West E29 CO7000000396245 1/2 - 1 Mile West

TC5657064.2s Page A-11 0 3 240 8 6 6 800 8 4 8 0

4 0 0 2 0 9 4 3 0 8 8 8 8200 0 0 0 0 9 40

9 2 6 6 0 8 8 8 0 6 0 80 0 8 8 8 9 8 8 8 6 0 8 4 4 4 7 0 0 1 0 8 8 4 0 0 8 6 6 6 8 7 0 8 8800 8 6 0 0 2 8 0 8 8 8 0 8 6 8 9 0 9 7 4 0 2 8 2 6 8 7 8 0 6 6 8 0 8 0 8 0 2 0 0 0 0 8 64 0 5 8 6 8 0 0 2 8 8 0 0 8 4 0 8 0 8 7 8 6 6 0 8 8 9 0 8 9 0 7 8 8 7 2 0 5 4 8 8 0 0 8 0 8 0 7 2 3 0 2 0 8 8 7 6 8 6 0 6 0 4 6 6 8 0 8 6 6 0 8 8 0 8 0 7 0 0 0 8 9 8 8 8 6 0 8

8 4 8 0 8 0 0 4 8 8 8 0 8 3 8 5 8 5 8 8 6 8 1 6 0 0 8 0 6 2 4 8 6 5 4 8 0 8 0 4 0 0 4 8520 8600 8 8 0 1 4 8 8 3 0 4 6 0 2 6 8 8 4 0 8 0 4 0 0 8 4 8 0 0 0 0 0 8 4 8 0 2 8 0 8 8 4 0 3 8 2 2 8 3 8 6 0 0 8 8 8 8 8 8 4 0 8120 0 4 5 0 0 0 0 2 4 5 2 0 0 5 0 0 7 8 7 8 6 8 0 6 2 6 6 8 8 2 8 4 0 6 8 2 8 0 0 0 8 0 2 8 2 6 8 8 7 8 0 0 4 0 8 8 6 8 4 6 0 5 8 8 4 8 0 5

8 0 0 0 8 8 0 8 8 0 9 8 8 2 8 8 0 0 8 0 8 8 4 0 4 8 9 0 8 0 0 2 6 8 0 8 8 8 0 6 8 0 8 8 4 9 0 000 0 6 4 0 6 8 4 4 1 8 0 8 0 0 8 2 2 4 5 8 8 6 0 0 0 8 7 0 0 8 0 0 8 8 4 0 6 8 8 0 8 0 8 0 0 6 0 7 4 2 0 6 8 0 7 0 4 0 8 0 0 7 8 2 0 8 0 0 4 7 4 0 8 3 2 8 7960 8 3 0 8 8 8 8 8 0 4 3 3 6 0 0 2 8 80 6 6 8 6 0

2 0 8 2 0 0 8 2 0 8 0 8 8

4 8 8 0 8

5 8

6 8 5 8 0 0 3 2 8 2 8 4 4 0 1 1

4 2 8 6 8 8 0 6 0 5 8 5 2 2

0 4 4 4 0 8 8 2 0 0 6 0 0 6 0 8 6 4 0 0 4 8 0 8 8 8 0 0 0 6 0 3 8 6 4 8 8 8 7 6 7 0 2 2 8 8 5 0 760 5 2 8 0 8 8 0 2 0 0 0 0 0 0 8 6 2 0 4 8 8 4 8 8 8480 8 0 0 0 0 0 0 5 0 7 8 8 6 6

0 0 800 8 8 8 0 5 0 0 0 2 0 4 6 0 0 0 0 0 4

0 0 3 0 8 8 6 0 2 8 8 8 6 0 1 2 8 2 8320 8 3 3 8 2 8 8 8 8 6 8 4 8 8 4 4 6 8 4 8 7 4 0 0 3 0 0 4 4 0 8 8 8 0 0 0 3 8 8 2 0 8 8 3 2 8 0 6 2 8 8 8 2 0 0 2 0 6 0 2 0 8 0 4 0 6 2 8 8 8 0 0 1 0 0 0 2 0 2 1 8 0 4 2 8 4 6 0 0 8 8 8 0

8 1 0 0 8 0 8 5 0 8 2 8 0 0 0 8 8 2 0

8 8 1 0 8 8 2 1 8 8 6 2 6 7 0 0 3 8 4 8 1 6 0 6 8

4 9 0 4 8 0 3 6 8 0 8 2 0 0 0 0 0 8 2 7

8 8 0

0 4 8 0 4 4 0 0 6 6 1 0 0 0

8 0 0 0 0 2 8 8 5 9 0 0 0 6 0 0 0 60 8 0 2 7 9 0 8 8 8 0 8 7 9 2 0 4 0 4 8 0 0 5 8 8 8 8 0 0 6 4 4 4 8 8 3 7 8 7 9 0 0 0 0 8 4 0 3 6 2 7 9 8 0 2 0 0 0 0 0 0 8 8 2 0 8 7 0 0 0 7 8 4 0 5 2 8 0 0 0

4 0 0 0 6 8 0 8 7 0 8 0 0 7 9 1 0 4 6 4 8 0 8 2 7 8 6 0 0 0 0 9 8 2 0 8 2 0 7 4 0 6 6 8 8 0 0 0 9 2 7880 0 4 4 7 7 6 5 8 1 2 0 8 8040 7 0 9 9 6 8 8

8 9 4 8 8 8 6 6 0 0

1 8080 0 7 8

6 0 7 5 8 2 0 8 1 2 0 2 7 8 1 6 0 8 0 8 0 2 4 0 8 0 8 8 2 0 0 8 2 0 8 0 8240 4

6 8280 0

2 0 3 3 0 8 8 6 0 8 4 0 0 8 8

3 4 0 6 8 4 8 8 4 0 8 3 7 4 0 8 4 8 8 8 8 8 8 0 0 0 4 8 8 5 2 4 8 8 4 4 0 8 8560 4 0 6 8 4 2 2 2 8 0 0 1 1 4 7 0 7 8 0 3 8 7 8 8 3 8 4 0 6 2 8 8 0 2 0 9 4 2 2 2 0 2 0 0 0 8 0 8 4 8 0 8 0 8 8 8 0 0 8 0 0 6 8 8 0 8 0 0 8 3 0 0 6 1 0 7 7 8 8 0 8 6 2 0 7 0 2 0 8 2 4 8 0 0 7 6 0 8 8 8 2 8 3 9 1 0 4 0 0 8 0 8 0 1 7 0 8 6 0 8 7 4 0 8 0 8 7 2 8 7 2 5 8 6 0 0 0 0 8 8 0 2 6 8 2 0 7 0 0 8 0 8 8 7 6 8 4 0 0 8 0 8 5 0 1 2 0 0 2 0 0 6 0 0 7 4 0 4 6 6 80800 8 0 8 2 4 6 8 6 0 0 6 7 0 9 8 0 0 7 0 0 1 8 0 0 0 0 8 0 9 8 6 0 0 8 2 0 8 7760 0 6 7 0 8 2 7920 8 8 8 8 4 80007960 0 0 0 7 0 0 8 8 2 0 7 7 79 9 6 0 8 8 8 8 0 2 0 8 9 0 0 8 8 0 8 0 8 8 8 8 8 8 4 0 4 0 0 0 9 2 0 0 0 8 0 8 8 8 0 9 0 0 0 8 83 3 2 8 2 8 9 8 7 8 8 8 6 4 8 8 6 0 0 8 0 0 8 0 0 0 6 07 2 60 8 0 0 4 4 0 0 9 0 0 4 4 0 0 0 4 9 1 2 8 9 8 0 9 1 6 0 0 8 9 7 7 9 6 0 0 0 0 0 9 2 0 7 9 1 9 2 9 2 6 2 9 6 1 9 0 7 2 0 9 8 9 7 0 0 0 0 0 4 27 77 7 0 0 8 8 7 0 0 8 6 9 9 0 0 7 0 7 9 3 2 8 2 4 804 0 9 3 2 0 9 80 9 0 2 9 4 6 00 8 1 2 20 0 4 8 2 8 3 6 0 9 4 8 4 0 0 0 9 8 2 1 6 0 0 8 0 0 8 0 0 0 9 9520 4 0 8 2 4 9560 8 3 0 8 2 4 0 7 60 7 9 6 0 0 9 0 8 0 8 3 2 0 8 8 0 8 2 10 60 7 8 7 2 9 6 4 0 4 8 6 0 2 8 8 1 0 8 9 0 6 8 0 4 4 0 88 20 0 7 9 8 8 0 0 0 8 0 8 8 5 4 8 4 0 9 6 5 2 8 0 0 0 0 0 0 0 0 0 6 0 8 0 0 8 6 6 46 8 0 8 0 1 2 7 8 00

8 8 8 8

9 9 9 6 4 0 8 8 6 4 0 0 0 7 7 6 8 0 6 0 9 0 2 0 2 8 8 0 09 8 0 9 0 2 0 6 8 0 8 1 0 8 1 6 8 0 2 9 6 4 5 6 8 8 7 2 0 6 2 6 0 0 7 9 7 0 0 8 0 0 2 1 0 0 0 0 9 7 0 5 9 8 8 4 8 0 0 4 8 9 2 8 0 0 0 8 2 0 4 0 2 6 4 0 8 2 8 4 8 8 0 8 8 7 8 6 2 2 8 9 4 0 8 8 8 0 0 4 3 3 0 8 2 0 4 8 8 0 3 6 0 8 1 0 0 0 0 0 8 1 6 0 0 8 2 2 8 0 8 0 8 8 8 8 9 8 0 4 8 8 0 0 3 2 8 2 9 4 0 0 6 0 0 8 8 9 3 9 9 2 0 9 8 0 3 9 9 0 0 4 0 6 2 9 1 1 9 6 8 8 4 0 4 9 9 0 8 9 9 2 6 2 0 9 7 6 0 2 6 8 0 5 2 8 3 0 2 0 0 0 8 0 0 4 0 8 8 0 0 0 5 8 6 8 6 6 0 0 2 0 4 0 4 0 8 8 8 8 0 0 0 0 6 0 0 0 4 0 0 0 4 0 0 8 9 8 6 2 4 6 8 6 8 0 0 6 5 5 8 8 8 CO 4 2 0 4 2 0 2 4 7 0 0 9 0 8 8 8 8 5 8 9 4 4 4 0 8 5 8 9 2 0 9 8 4 9 2 01 9 8 6 0 2 0 8 1 8 2 8 0 6 0 3 9 3 6 0 9 1 0 0 6 8 0 3 0 0 9 0 8 8 8 4 9 9 4 9 2 6 0 0 9 6 0 9 9 9 2 4 0 0 4 0 0 8 9 2 0 0 3 2 0 0 8 2 8 8 8 4 0 8 8 6 0 8 7 8 6 0 0 6 0 8 8 0 0 3 8 8 8 6 4 0 8 7 8 8 8 6 8 0 8 7 6 0 0 8 0 0 0 8 9 69 0 0 8 7 6 0 8 7 2 0 8 8 4 0 8 0 0 8 8 8 6 0 0 00 0 8 9 0 8 9 2 9 8 0 8 60

4 4 0 9 8 8 0 0 8 9 9 8 8 9 0 0 9 8 8 5 6 9 2 8 8 4 4 9 4 0 0 0 0 5 9 6 0 8 0 0 0 0 6 8 4 6 9 20 8 0 9 1 2 4 0 0 0 0 8 0 9 1 2 9 9 9 8 8 0 4 0 0 0 8 8

EDR Inc. GEOCHECK ® - PHYSICAL SETTING SOURCE MAP FINDINGS

Map ID Direction Distance Elevation Database EDR ID Number 1 NNW CO WELLS CO7000000226233 0 - 1/8 Mile Lower CO DWR ID #: Not Reported Permit #: 297117- Well Name: Not Reported Well Status: Well Constructed Water Court Case #: Not Reported Parcel Size: 3.46 Well Use: Commercial Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: Quaternary Alluvium Addtl Aquifer: Not Reported Irrigation Area: 0 Yrly Appropriation: 0 Issue Date: 03/19/2015 Expiration Date: 03/19/2017 Construction Date: 04/21/2015 Start Use Date: Not Reported Pump Install Date: 05/06/2015 Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 801 Top of First Perf Casing: 181 Base of Last Perf Casing: 781 Yield (gal/min): 7 Static Water Depth (ft): 20 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

2 SW CO WELLS CO7000000067695 1/4 - 1/2 Mile Higher CO DWR ID #: Not Reported Permit #: 9461- Well Name: Not Reported Well Status: Well Constructed Water Court Case #: Not Reported Parcel Size: 0 Well Use: Domestic Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: Not Reported Expiration Date: Not Reported Construction Date: Not Reported Start Use Date: 06/22/1961 Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 45 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 2 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

3 NNE CO WELLS CO7000000106947 1/4 - 1/2 Mile Higher CO DWR ID #: Not Reported Permit #: 241015- Well Name: Not Reported Well Status: Permit Issued; Completion Status Unknown Water Court Case #: Not Reported Parcel Size: 7 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 Yrly Appropriation: 0 Issue Date: 05/15/2002 Expiration Date: 05/15/2004 Construction Date: Not Reported

TC5657064.2s Page A-13 GEOCHECK ® - PHYSICAL SETTING SOURCE MAP FINDINGS

Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 9 Division: 1 Comments: outlot B, combination of pre 72 lots.

4 West CO WELLS CO7000000069268 1/4 - 1/2 Mile Higher CO DWR ID #: Not Reported Permit #: 53082- Well Name: Not Reported Well Status: Permit Expired Water Court Case #: Not Reported Parcel Size: 0 Well Use: Domestic Addtl Well Use: Stock Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 03/15/1972 Expiration Date: Not Reported Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

5 WNW CO WELLS CO7000000273230 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 223850- Well Name: Not Reported Well Status: Well Constructed Water Court Case #: Not Reported Parcel Size: 1.4 Well Use: Commercial Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 Yrly Appropriation: 0 Issue Date: 03/01/2000 Expiration Date: 03/01/2002 Construction Date: 11/22/2000 Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 180 Top of First Perf Casing: 100 Base of Last Perf Casing: 180 Yield (gal/min): 10 Static Water Depth (ft): 26 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

TC5657064.2s Page A-14 GEOCHECK ® - PHYSICAL SETTING SOURCE MAP FINDINGS

Map ID Direction Distance Elevation Database EDR ID Number 6 East CO WELLS CO7000000321599 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 57022- Well Name: Not Reported Well Status: Well Constructed Water Court Case #: Not Reported Parcel Size: 0 Well Use: Domestic Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 04/13/1972 Expiration Date: Not Reported Construction Date: 09/10/1972 Start Use Date: 09/10/1972 Pump Install Date: 09/10/1972 Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 46 Top of First Perf Casing: 20 Base of Last Perf Casing: 46 Yield (gal/min): 15 Static Water Depth (ft): 5 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

7 SE CO WELLS CO7000000067799 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 47875- Well Name: Not Reported Well Status: Well Constructed Water Court Case #: Not Reported Parcel Size: 0 Well Use: Domestic Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 08/03/1971 Expiration Date: Not Reported Construction Date: 07/24/1971 Start Use Date: 07/24/1971 Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 125 Top of First Perf Casing: 12 Base of Last Perf Casing: 125 Yield (gal/min): 5 Static Water Depth (ft): 50 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

A8 ESE CO WELLS CO7000000062833 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 164014- Well Name: Not Reported Well Status: Permit Expired Water Court Case #: Not Reported Parcel Size: 0 Well Use: Commercial Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 05/07/1992 Expiration Date: 05/07/1994 Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported

TC5657064.2s Page A-15 GEOCHECK ® - PHYSICAL SETTING SOURCE MAP FINDINGS

Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

A9 ESE CO WELLS CO7000000325137 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 207961- Well Name: Not Reported Well Status: Well Constructed Water Court Case #: Not Reported Parcel Size: 2.2 Well Use: Commercial Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 02/03/1998 Expiration Date: 02/03/2000 Construction Date: 06/25/1998 Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 38 Top of First Perf Casing: 20 Base of Last Perf Casing: 38 Yield (gal/min): 25 Static Water Depth (ft): 18 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: SEE EXPIRED PERMIT NO. 164014

10 SW CO WELLS CO7000000112704 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 252306- Well Name: Not Reported Well Status: Not Reported Water Court Case #: Not Reported Parcel Size: 4.4499998 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Issued Under Presumption 3b-Iia Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 Yrly Appropriation: 0 Issue Date: 08/12/2003 Expiration Date: 08/12/2005 Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

TC5657064.2s Page A-16 GEOCHECK ® - PHYSICAL SETTING SOURCE MAP FINDINGS

Map ID Direction Distance Elevation Database EDR ID Number 11 ESE CO WELLS CO7000000415588 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 33765-MH Well Name: Not Reported Well Status: Well Constructed Water Court Case #: Not Reported Parcel Size: 0 Well Use: Other Addtl Well Use: Not Reported Special Use: Monitoring Well Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 06/24/1998 Expiration Date: 09/24/1998 Construction Date: 06/26/1998 Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 58 Top of First Perf Casing: 18 Base of Last Perf Casing: 58 Yield (gal/min): 25 Static Water Depth (ft): 28 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: VARIANCE # 9880A

12 WNW CO WELLS CO7000000227880 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 300725- Well Name: Not Reported Well Status: Permit Issued; Completion Status Unknown Water Court Case #: Not Reported Parcel Size: 2.6300001 Well Use: Commercial Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 Yrly Appropriation: 0 Issue Date: 04/07/2016 Expiration Date: 04/07/2018 Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

B13 West CO WELLS CO7000000079329 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 203846- Well Name: Not Reported Well Status: Permit Expired Water Court Case #: Not Reported Parcel Size: 5 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 07/09/1997 Expiration Date: 07/09/1999 Construction Date: Not Reported

TC5657064.2s Page A-17 GEOCHECK ® - PHYSICAL SETTING SOURCE MAP FINDINGS

B14 West CO WELLS CO7000000268307 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 221860- Well Name: Not Reported Well Status: Well Constructed Water Court Case #: Not Reported Parcel Size: 5 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 Yrly Appropriation: 0 Issue Date: 11/12/1999 Expiration Date: 11/12/2001 Construction Date: 04/20/2001 Start Use Date: Not Reported Pump Install Date: 10/03/2004 Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 285 Top of First Perf Casing: 180 Base of Last Perf Casing: 285 Yield (gal/min): 15 Static Water Depth (ft): 100 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: part of independence lode

B15 West CO WELLS CO7000000069568 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 188731- Well Name: Not Reported Well Status: Permit Extended Water Court Case #: Not Reported Parcel Size: 4.5 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 07/25/1995 Expiration Date: 07/25/1998 Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

TC5657064.2s Page A-18 GEOCHECK ® - PHYSICAL SETTING SOURCE MAP FINDINGS

Map ID Direction Distance Elevation Database EDR ID Number B16 West CO WELLS CO7000000196208 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 144296- Well Name: Not Reported Well Status: Permit Issued; Completion Status Unknown Water Court Case #: Not Reported Parcel Size: 0 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 06/23/1986 Expiration Date: Not Reported Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

B17 West CO WELLS CO7000000322010 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 144297- Well Name: Not Reported Well Status: Permit Issued; Completion Status Unknown Water Court Case #: Not Reported Parcel Size: 0 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 06/23/1986 Expiration Date: Not Reported Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

C18 North CO WELLS CO7000000196054 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 122286- Well Name: Not Reported Well Status: Permit Issued; Completion Status Unknown Water Court Case #: Not Reported Parcel Size: 0 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres

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Yrly Appropriation: 0 Issue Date: 09/25/1981 Expiration Date: Not Reported Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

C19 North CO WELLS CO7000000257863 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 146542- Well Name: Not Reported Well Status: Permit Issued; Completion Status Unknown Water Court Case #: Not Reported Parcel Size: 0 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 12/31/1986 Expiration Date: Not Reported Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

D20 West CO WELLS CO7000000409379 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 144295- Well Name: Not Reported Well Status: Permit Issued; Completion Status Unknown Water Court Case #: Not Reported Parcel Size: 0 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 06/23/1986 Expiration Date: Not Reported Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

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Map ID Direction Distance Elevation Database EDR ID Number D21 West CO WELLS CO7000000067917 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 83947- Well Name: Not Reported Well Status: Well Constructed Water Court Case #: Not Reported Parcel Size: 0 Well Use: Industrial Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: Not Reported Expiration Date: Not Reported Construction Date: Not Reported Start Use Date: 05/21/1976 Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 200 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 15 Static Water Depth (ft): 50 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

22 NW CO WELLS CO7000000311593 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 23271- Well Name: Not Reported Well Status: Well Constructed Water Court Case #: Not Reported Parcel Size: 0 Well Use: Domestic Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: Not Reported Expiration Date: Not Reported Construction Date: Not Reported Start Use Date: 04/10/1965 Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 50 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 20 Static Water Depth (ft): 10 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

D23 West CO WELLS CO7000000305526 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 144294- Well Name: Not Reported Well Status: Permit Issued; Completion Status Unknown Water Court Case #: Not Reported Parcel Size: 0 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 06/23/1986 Expiration Date: Not Reported Construction Date: Not Reported

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24 SW CO WELLS CO7000000496169 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 138719- Well Name: Not Reported Well Status: Permit Expired Water Court Case #: Not Reported Parcel Size: 0 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 02/26/1985 Expiration Date: Not Reported Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

25 SW CO WELLS CO7000000469245 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 144664- Well Name: Not Reported Well Status: Permit Issued; Completion Status Unknown Water Court Case #: Not Reported Parcel Size: 0 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 07/22/1986 Expiration Date: Not Reported Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

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Map ID Direction Distance Elevation Database EDR ID Number 26 NNW CO WELLS CO7000000482539 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 274101- Well Name: Not Reported Well Status: Well Constructed Water Court Case #: Not Reported Parcel Size: 12.1 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 Yrly Appropriation: 0 Issue Date: 06/18/2007 Expiration Date: 06/18/2009 Construction Date: 08/21/2007 Start Use Date: Not Reported Pump Install Date: 06/06/2008 Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 326 Top of First Perf Casing: 146 Base of Last Perf Casing: 306 Yield (gal/min): 6.8000002 Static Water Depth (ft): 10 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

27 WSW CO WELLS CO7000000107804 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 243414- Well Name: Not Reported Well Status: Permit Issued; Completion Status Unknown Water Court Case #: Not Reported Parcel Size: 5.1500001 Well Use: Household Use Only Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 Yrly Appropriation: 0 Issue Date: 08/27/2002 Expiration Date: 08/27/2004 Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

E28 West CO WELLS CO7000000344359 1/2 - 1 Mile Higher CO DWR ID #: Not Reported Permit #: 34215-MH Well Name: Not Reported Well Status: Permit Issued; Completion Status Unknown Water Court Case #: Not Reported Parcel Size: 0 Well Use: Other Addtl Well Use: Not Reported Special Use: Monitoring Well Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 08/17/1998

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Expiration Date: 11/17/1998 Construction Date: Not Reported Start Use Date: Not Reported Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 0 Top of First Perf Casing: 0 Base of Last Perf Casing: 0 Yield (gal/min): 0 Static Water Depth (ft): 0 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

E29 West CO WELLS CO7000000396245 1/2 - 1 Mile Higher CO DWR ID #: 0705317 Permit #: 5744-F Well Name: Not Reported Well Status: Well Constructed Water Court Case #: Not Reported Parcel Size: 0 Well Use: Commercial Addtl Well Use: Not Reported Special Use: Not Reported Primary Aquifer: All Unnamed Aquifers Addtl Aquifer: Not Reported Irrigation Area: 0 acres Yrly Appropriation: 0 Issue Date: 06/12/1964 Expiration Date: Not Reported Construction Date: 06/08/1964 Start Use Date: 06/08/1964 Pump Install Date: Not Reported Well Plug Date: Not Reported Surface Elevation (ft): 0 Well Depth (ft): 87 Top of First Perf Casing: 67 Base of Last Perf Casing: 87 Yield (gal/min): 30 Static Water Depth (ft): 40 Groundwater Basin: Not Reported Mgmt District: Not Reported Water District: 7 Division: 1 Comments: Not Reported

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AREA RADON INFORMATION

State Database: CO Radon

Radon Test Results

Zip Total Sites Avg % sites<=4 pCi/L % sites>4&<10 pCi/L % sites>=10&<20 pCi/L % sites>20 pCi/L ______

80452 1 38.10 0.00 0.00 0.00 100.00

Federal EPA Radon Zone for CLEAR CREEK County: 1 Note: Zone 1 indoor average level > 4 pCi/L. : Zone 2 indoor average level >= 2 pCi/L and <= 4 pCi/L. : Zone 3 indoor average level < 2 pCi/L.

Federal Area Radon Information for CLEAR CREEK COUNTY, CO Number of sites tested: 17 Area Average Activity % <4 pCi/L % 4-20 pCi/L % >20 pCi/L

Living Area 3.610 pCi/L 41% 59% 0% Basement 4.870 pCi/L 50% 50% 0%

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TOPOGRAPHIC INFORMATION

USGS 7.5’ Digital Elevation Model (DEM) Source: United States Geologic Survey EDR acquired the USGS 7.5’ Digital Elevation Model in 2002 and updated it in 2006. The 7.5 minute DEM corresponds to the USGS 1:24,000- and 1:25,000-scale topographic quadrangle maps. The DEM provides elevation data with consistent elevation units and projection.

Current USGS 7.5 Minute Topographic Map Source: U.S. Geological Survey

HYDROLOGIC INFORMATION

NWI: National Wetlands Inventory. This data, available in select counties across the country, was obtained by EDR in 2002, 2005 and 2010 from the U.S. Fish and Wildlife Service.

State Wetlands Data: Riparian Vegetation Data Source: Division of Wildlife Telephone: 970-416-3360

HYDROGEOLOGIC INFORMATION

AQUIFLOW R Information System Source: EDR proprietary database of groundwater flow information EDR has developed the AQUIFLOW Information System (AIS) to provide data on the general direction of groundwater flow at specific points. EDR has reviewed reports submitted to regulatory authorities at select sites and has extracted the date of the report, hydrogeologically determined groundwater flow direction and depth to water table information.

GEOLOGIC INFORMATION

Geologic Age and Rock Stratigraphic Unit Source: P.G. Schruben, R.E. Arndt and W.J. Bawiec, Geology of the Conterminous U.S. at 1:2,500,000 Scale - A digital representation of the 1974 P.B. King and H.M. Beikman Map, USGS Digital Data Series DDS - 11 (1994).

STATSGO: State Soil Geographic Database Source: Department of Agriculture, Natural Resources Conservation Service (NRCS) The U.S. Department of Agriculture’s (USDA) Natural Resources Conservation Service (NRCS) leads the national Conservation Soil Survey (NCSS) and is responsible for collecting, storing, maintaining and distributing soil survey information for privately owned lands in the United States. A soil map in a soil survey is a representation of soil patterns in a landscape. Soil maps for STATSGO are compiled by generalizing more detailed (SSURGO) soil survey maps.

SSURGO: Soil Survey Geographic Database Source: Department of Agriculture, Natural Resources Conservation Service (NRCS) Telephone: 800-672-5559 SSURGO is the most detailed level of mapping done by the Natural Resources Conservation Service, mapping scales generally range from 1:12,000 to 1:63,360. Field mapping methods using national standards are used to construct the soil maps in the Soil Survey Geographic (SSURGO) database. SSURGO digitizing duplicates the original soil survey maps. This level of mapping is designed for use by landowners, townships and county natural resource planning and management.

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LOCAL / REGIONAL WATER AGENCY RECORDS

FEDERAL WATER WELLS

PWS: Public Water Systems Source: EPA/Office of Drinking Water Telephone: 202-564-3750 Public Water System data from the Federal Reporting Data System. A PWS is any water system which provides water to at least 25 people for at least 60 days annually. PWSs provide water from wells, rivers and other sources.

PWS ENF: Public Water Systems Violation and Enforcement Data Source: EPA/Office of Drinking Water Telephone: 202-564-3750 Violation and Enforcement data for Public Water Systems from the Safe Drinking Water Information System (SDWIS) after August 1995. Prior to August 1995, the data came from the Federal Reporting Data System (FRDS).

USGS Water Wells: USGS National Water Inventory System (NWIS) This database contains descriptive information on sites where the USGS collects or has collected data on surface water and/or groundwater. The groundwater data includes information on wells, springs, and other sources of groundwater.

STATE RECORDS

Colorado GIS Well Database Source: Office of State Engineer, Division of Water Resources Telephone: 303-866-3581 The GIS Well database includes all wells that the Division of Water Resources permits.

OTHER STATE DATABASE INFORMATION

Oil and Gas Well Locations Source: Department of Natural Resources Telephone: 303-894-2100

RADON

State Database: CO Radon Source: Department of Public Health & Environment Telephone: 303-692-3090 Radon Study in Colorado

Area Radon Information Source: USGS Telephone: 703-356-4020 The National Radon Database has been developed by the U.S. Environmental Protection Agency (USEPA) and is a compilation of the EPA/State Residential Radon Survey and the National Residential Radon Survey. The study covers the years 1986 - 1992. Where necessary data has been supplemented by information collected at private sources such as universities and research institutions.

EPA Radon Zones Source: EPA Telephone: 703-356-4020 Sections 307 & 309 of IRAA directed EPA to list and identify areas of U.S. with the potential for elevated indoor radon levels.

OTHER

Airport Landing Facilities: Private and public use landing facilities Source: Federal Aviation Administration, 800-457-6656

Epicenters: World earthquake epicenters, Richter 5 or greater Source: Department of Commerce, National Oceanic and Atmospheric Administration

Earthquake Fault Lines: The fault lines displayed on EDR’s Topographic map are digitized quaternary faultlines, prepared in 1975 by the United State Geological Survey

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STREET AND ADDRESS INFORMATION

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