DOE/AL/62350-156 ^ V REV. 0 UMr&AmSRGUN&WATBRPBCJECl
r'? - 0B^R™ioisiAL WORK T^tJMTR^^ SPCX>I£ IV^-o M IN c^ ^
May 1995
v : v': : ^r^ ^ ^Prepared'by the U.S; Department of Energy SbuqL[erque; New Mexico
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SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING
May 1995
Prepared for U.S. Department of Energy UMTRA Project Office Albuquerque, New Mexico
Prepared by Jacobs Engineering Group Inc. Albuquerque, New Mexico
DISCLAIMER
This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsi• bility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Refer• ence herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recom• mendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. DISTRIBUTION OF THIS DOCUMEiNT IS UNLIMITED DUO DISCLAIMER
Portions of this document may be illegible in electronic image products. Images are produced from the best available original document. SUE OBSERVATIONAL WORK PUN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING EXECUTIVE SUMMARY
EXECUTIVE SUMMARY
The requirements for ground water compliance for UMTRA Project sites, including the Spook, Wyoming, processing site, are found in the Uranium Mill Tailings Radiation Control Act (UMTRCA) of 1978 (42 USC §7901 et seq.) and Subparts B and Subpart C of U.S. Environmental Protection Agency's (EPA) "Health and Environmental Protection Standards for Uranium and Thorium Mill Tailings" codified in 40 CFR Part 192 (1994), and the final rule published in 60 FR 2854 (1995).
Ground water in the uppermost aquifer beneath and downgradient from the Spook site was contaminated by uranium processing activities that occurred from 1962 until 1966. Contamination from the tailings pile and the acid pond (including uranium, selenium, nitrate, and radium-226 and -228) leached into the subsurface by infiltration and migrated into ground water, forming a plume extending approximately 2500 feet (760 meters) downgradient from the site.
Under Subpart A of 40 CFR Part 192, the surface remedial action at the Spook site consisted of stabilizing the uranium mill tailings and other residual radioactive materials in a disposal cell at the bottom of the Spook open-pit mine and covering the cell with overburden material. The ground water protection strategy was supplemental standards based on limited use ground water in the uppermost aquifer because of widespread ambient contamination.
To comply with Subpart B of 40 CFR Part 192, the proposed ground water compliance strategy at the Spook site is to perform no remediation. This strategy is based on ground water in the uppermost aquifer (also the zone of contamination) being classified as limited use, which allows the application of supplemental standards. Limited use ground water in the uppermost aquifer beneath the Spook site is neither a current nor a potential source of drinking water because of widespread, ambient contamination that cannot be cleaned up using treatment methods reasonably employed in public water supply systems (40 CFR §192.11(e)). Ground water at the Spook site contains widespread, ambient uranium and selenium contamination resulting from naturally-occurring conditions (natural uranium mineralization associated with an alteration front) and from the effects of broadscale human activity not related to uranium-milling operations (uranium exploration and mining activities). There is no apparent risk to human health and the environment because there are no known exposure pathways for ground water from the uppermost aquifer. No one is using or is projected to use the ground water from this aquifer for any purpose; there is no discharge of ground water from the uppermost aquifer to deeper aquifers used for domestic and agricultural purposes or to the surface or to surface water.
DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.TOC ES-1 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING TABLE OF CONTENTS
TABLE OF CONTENTS
Section Page
1.0 INTRODUCTION 1-1 1.1 Purpose and content 1-1 1.2 Ground water compliance strategy 1-1 1.3 Relationship to other ground water documents 1-2
2.0 REGULATORY FRAMEWORK 2-1 2.1 Uranium mill tailings radiation control act 2-1 2.1.1 EPA ground water standards 2-1 2.1.2 Cooperative agreements and state requirements 2-4 2.2 National Environmental Policy Act 2-4
3.0 SUMMARY OF SITE CONDITIONS 3-1 3.1 Site description 3-1 3.1.1 Location 3-1 3.1.2 History of operations and surface remediation 3-1 3.1.3 Land and water use 3-4 3.1.4 Sources of existing data 3-5 3.2 Site characterization 3-9 3.2.1 Hydrogeology 3-9 3.2.2 Geochemical conditions and background ground water quality 3-15 3.3 Conceptual site model 3-19 3.3.1 Contaminant Sources 3-23 3.3.2 Extent and magnitude of contamination 3-23 3.3.3 Potential release mechanisms 3-26 3.3.4 Contaminant fate and transport mechanisms 3-26 3.3.5 Background risk evaluation 3-27 3.3.6 Treatability issues 3-28 3.4 Uncertainties and supplemental data needs 3-30
4.0 GROUND WATER COMPLIANCE STRATEGY SELECTION 4-1 4.1 Decision framework process 4-1 4.2 Conclusion 4-3
5.0 LIST OF CONTRIBUTORS 5-1
6.0 REFERENCES 6-1
APPENDIX A — MONITOR WELL LITHOLOGIC LOGS APPENDIX B — MONITOR WELL COMPLETION RECORDS APPENDIX C — GROUND WATER ELEVATIONS APPENDIX D — GROUND WATER QUALITY DATA BY PARAMETER APPENDIX E — AQUIFER PUMPING TEST CALCULATION SET APPENDIX F — RISK ANALYSIS
DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK0O6D4.TOC -i- SITE OBSERVATIONAL WORK PLAN FOR THE UMTHA PROJECT SITE AT SPOOK, WYOMING LIST OF FIGURES
LIST OF FIGURES
Figure
3.1 Location of the Spook, Wyoming, site 3-2 3.2 Monitor well location map. Spook, Wyoming, site 3-6 3.3 Cross section A-A', Spook, Wyoming, site 3-10 3.4 Cross section B-B', Spook, Wyoming, site 3-11 3.5 Potentiometric surface map of the upper sandstone unit. Spook, Wyoming, site 3-13 3.6 Potentiometric surface map of the lower sandstone unit. Spook, Wyoming, site 3-14 3.7 Alteration front in the vicinity of the Spook, Wyoming, site 3-16 3.8 Extent of contamination in upper sandstone unit based on distribution of ammonium, acid pH, and nitrate at the Spook, Wyoming, site 3-20 3.9 Conceptual model for the Spook, Wyoming, site 3-22
4.1 Ground water compliance strategy selection framework 4-2
F.1 Extent of contamination in upper sandstone unit based on distribution of ammonium, acid pH, and nitrate at the Spook, Wyoming, site F-5
DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.TOC -ii- SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING LIST OF TABLES
LIST OF TABLES
Table
2.1 MCLs for inorganic constituents for ground water protection for UMTRA Project sites 2-3
3.1 Monitor well information at the Spook, Wyoming, site 3-7 3.2 Ground water quality sampling history at the Spook, Wyoming, site 3-8 3.3 Summary of regional ground water quality in altered and unaltered sandstone of the Wasatch Formation, Converse County, Wyoming 3-18 3.4 Summary of ground water quality in the upper sandstone unit at the Spook, Wyoming, site 3-21 3.5 Summary of ground water quality in the lower sandstone unit at the Spook, Wyoming, site 3-25
F.1 Background, agricultural irrigation water, and livestock drinking water contaminant concentration comparison at the Spook, Wyoming, site F-2
DOE/AL/62350-156 20 APRIL 1995 REV. 0, VER. 4 SPK006D4.TOC -iii- SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING LIST OF ACRONYMS AND ABBREVIATIONS
LIST OF ACRONYMS
Acronym Definition
ACL alternate concentration limit BAT best available treatment DOE U.S. Department of Energy DQO data quality objective EPA U.S. Environmental Protection Agency MCL maximum concentration limit NEPA National Environmental Policy Act NRC U.S. Nuclear Regulatory Commission PEIS programmatic environmental impact statement RAP remedial action plan RME Rocky Mountain Energy RRM residual radioactive material SAFER Streamlined Approach for Environmental Restoration SOWP site observational work plan TAGR Technical Approach to Groundwater Restoration UMTRA Uranium Mill Tailing Remedial Action UMTRCA Uranium Mill Tailings Radiation Control Act
DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPKO06D4.TOC -iv- SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING INTRODUCTION
1.0 INTRODUCTION
The Spook, Wyoming, site observational work plan (SOWP) proposes site-specific activities to achieve compliance with Subpart B of 40 CFR Part 192 (1994) of the final U. S. Environmental Protection Agency (EPA) ground water protection standards 60 FR 2854 (1995) at this Uranium Mill Tailing Remedial Action (UMTRA) Project site.
1.1 PURPOSE AND CONTENT
This SOWP provides a plan for selecting ground water remediation and compliance strategies for UMTRA Project processing sites under Subparts B and C of 40 CFR Part 192, based on the U.S. Department of Energy (DOE) Streamlined Approach for Environmental Restoration (SAFER) concept. SAFER is a methodology tailored to the challenges of conducting environmental restoration efforts under conditions of significant uncertainty. SAFER is designed to achieve progress toward a remedial compliance goal, mutually agreed upon by stakeholders, while managing uncertainties in site knowledge, remedial technology performance, and regulatory requirements. SAFER combines elements of the data quality objective (DQO) process and the observational approach to help plan and conduct efficient and effective remediation. The DQO process establishes the problem and action requiring attention and defines the type and quality of data needed for problem resolution. The observational approach provides an operational framework for managing uncertainty and planning decision making. The SAFER framework consists of the planning, assessment and selection, and implementation phases. The first two phases are included in this document; the third phase will be addressed in the Spook remedial action plan (RAP).
This draft SOWP (Revision 0) presents a comprehensive summary of existing site characterization data, a conceptual site model of the nature and extent of ground water contamination, exposure pathways, and potential impact to human health and the environment. Section 2.0 describes the requirements for meeting ground water standards at UMTRA Project sites. Section 3.0 defines past and current conditions, describes potential environmental and human health risks, and provides site-specific data that supports the selection of a proposed ground water compliance strategy. Section 4.0 provides the justification for selecting the proposed ground water compliance strategy based on the framework defined in the ground water programmatic environmental impact statement (PEIS).
1.2 GROUND WATER COMPLIANCE STRATEGY
Ground water in the uppermost aquifer beneath and downgradient from the Spook site was contaminated by uranium processing activities that occurred from 1962 until 1966. Contamination from the tailings pile and the acid pond (including uranium, selenium, nitrate, and radium-226 and -228) was released into the subsurface by infiltration and migrated into ground water, forming a
DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP1 1-1 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING INTRODUCTION
plume extending approximately 2500 feet (ft) (760 meters [m]) downgradient from the site.
The ground water compliance strategy proposed in this SOWP, in accordance with Subpart B of 40 CFR Part 192 (1994), is to perform no remediation at the Spook site. This strategy is based on ground water in the uppermost aquifer (also the zone of contamination) being classified as limited use, which would allow the application of supplemental standards. Limited use ground water in the uppermost aquifer beneath the Spook site is not a current or potential source of drinking water because of widespread, ambient contamination that cannot be cleaned up using treatment methods reasonably employed in public water supply systems (40 CFR §192.11 (e)). Ground water in the uppermost aquifer contains widespread, ambient uranium and selenium contamination resulting from naturally occurring conditions (natural uranium mineralization associated with an alteration front) and from the effects of broadscale human activity not related to uranium milling operations (uranium exploration and mining activities). The potential for impacts to human health and the environment related to ground water contamination associated with the Spook site is minimal for the following reasons: ground water in the area has been affected by naturally occurring uranium mineralization and human activities related to regional uranium exploration and mining; ground water in the uppermost aquifer is not locally used for any purposes; the area is remote and has a low population density; adequate ground water resources are available from deeper sandstone units, some under artesian conditions; and there is no evidence of discharge of contaminated ground water from the uppermost aquifer to deeper aquifers used for domestic and agricultural purposes, or to the surface or to surface water.
1.3 RELATIONSHIP TO OTHER GROUND WATER DOCUMENTS
Programmatic documents that provide guidance for the SOWP include the DOE UMTRA Groundwater Program Plan (DOE, 1992a), the Programmatic Environmental Impact Statement for the Uranium Mill Tailings Remedial Action Ground Water Project (DOE, 1994) and the Technical Approach to Groundwater Restoration (TAGR) (DOE, 1993a). The UMTRA Groundwater Program Plan states the objectives for the UMTRA Ground Water Project and provides an overall technical plan and management approach for conducting the program. The PEIS fulfills the following functions: it provides a programmatic decision• making framework for conducting the UMTRA Ground Water Project; assesses the potential programmatic impacts of conducting the Project; provides a method for determining the site-specific ground water compliance strategies; and provides data and information that can be used to prepare site-specific National Environmental Policy Act (NEPA) (42 USC §4321 et seq.) documentation more efficiently. The TAGR provides general technical guidance concerning how the Ground Water Project will be conducted.
The environmental impacts from the proposed compliance strategy presented in this SOWP will be assessed in appropriate site-specific NEPA documentation.
DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP1 1-2 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING INTRODUCTION
The UMTRA Surface Project Remedial Action Plan and Site Conceptual Design for Stabilization of the Inactive Uranium Mill Tailings Site at Spook, Wyoming (DOE, 1990) will be modified and submitted to the U.S. Nuclear Regulatory Commission (NRC) for concurrence on the UMTRA Project proposed Subpart B compliance strategy.
DOE/AL/62350-156 20 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP1 1-3 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING REGULATORY FRAMEWORK
2.0 REGULATORY FRAMEWORK
The requirements for selecting a ground water compliance strategy for the Spook, Wyoming, processing site are described in this section. These requirements are found in the Uranium Mill Tailings Radiation Control Act (UMTRCA) of 1978 (42 USC §7901 etseq.) and Subpart B and of EPA's "Health and Environmental Protection Standards for Uranium and Thorium Mill Tailings" (40 CFR Part 192 (1994)).
2.1 URANIUM MILL TAILINGS RADIATION CONTROL ACT
The U.S. Congress passed UMTRCA in 1978 in response to public concerns about the potential health hazards from exposure to uranium mill tailings over long periods of time. UMTRCA authorized the DOE to stabilize, dispose of, and control uranium mill tailings and other residual radioactive materials (RRM) at uranium mill processing sites. UMTRCA designates 24 inactive processing sites to undergo remediation; directs the EPA to promulgate standards; mandates the DOE to perform remedial action in accordance with standards prescribed by the EPA; directs the NRC to concur in the remedial actions; directs the NRC to license the disposal sites for long-term care; and directs the DOE to enter into cooperative agreements with the affected states and Indian tribes.
In 1988, Congress amended UMTRCA and authorized the DOE to extend without limitation the time needed to complete ground water compliance restoration activities at the processing sites. Section 108 of the UMTRCA requires that the DOE comply with the proposed EPA standards (40 CFR Part 192 (1994)) and the final standards (60 FR 2854 (1995)).
2.1.1 EPA ground water standards
UMTRCA requires the EPA to promulgate standards for protecting public health, safety, and the environment from radiological hazards and nonradiological hazards associated with processing of uranium and the resulting RRM. The Federal Register gives the following definition for RRM:
(1) Waste (which the Secretary determines to be radioactive) in the form of tailings resulting from the processing of ores for the extraction of uranium and other valuable constituents of the ores; and (2) Other wastes (which the Secretary determines to be radioactive) at a processing site which relate to such processing, including any residual stock of unprocessed ores or low-grade materials (40 CFR §192.01 (a); 60 FR 2854 (1995)).
On 5 January 1983, the EPA published standards (40 CFR Part 192) for the disposal and cleanup of RRM. The EPA published proposed changes to the ground water standards in the Federal Register on 24 September 1987 (52 FR
DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP2 2-1 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING REGULATORY FRAMEWORK
36000). The final ground water standards were published in the Federal Register on 11 January 1995 (60 FR 2854).
The standards address two ground water contamination scenarios: Subpart A addresses future ground water contamination that may occur from RRM disposal, and Subpart B addresses the cleanup of contamination of ground water that occurred at the processing sites before disposal of the RRM. Protection of the ground water from future contamination at the disposal sites is required by Subpart A and has been addressed in the UMTRA Surface Project. The UMTRA Ground Water Project addresses the ground water contamination that occurred at the processing sites and is regulated by Subparts B and C of the EPA standards.
Subpart B
Subpart B, "Standards for Cleanup of Land and Buildings Contaminated with Residual Radioactive Materials from Inactive Uranium Processing Sites," requires that remedial action at processing sites be conducted to ensure that the amounts of RRM in ground water meet any one of three ground water standards:
• Background levels: concentrations of constituents in nearby ground water that were not affected by processing activities (60 FR 2854; 40 CFR 1192.12(c)).
• Maximum concentration limits (MCL): the EPA's maximum limits for concentrations of certain hazardous constituents in ground water, as proposed for the UMTRA Project. The MCLs for inorganic constituents that apply to UMTRA Project sites are provided in Table 2.1 (60 FR 2854; 40 CFR §192.12(c)).
• Alternate concentration limits (ACL): alternate limits for hazardous constituents that do not pose a substantial present or potential hazard to human health or the environment as long as the limits are not exceeded (60 FR 2854; 40 CFR §192.12(c)(2)).
Subpart B also provides for active ground water remediation or for selecting natural flushing as a means to meet the proposed standards. Active ground water remediation would require the application of engineered ground water remediation methods such as gradient manipulation, ground water extraction and treatment, and in situ ground water treatment to achieve compliance with the proposed standards. Natural flushing means allowing natural ground water processes to reduce the contamination in ground water; these processes must allow the standards to be met within 100 years. Institutional controls that protect human health (measures that restrict access to contaminated ground water and satisfy beneficial uses of ground water) and an adequate monitoring program must be established and maintained during the period of natural flushing. Ground water also must not currently be, or be projected to become, a
DOE/AL/62350-156 26 APRIL 1995 REV. 0. VER. 4 SPK006D4.WP2 2-2 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING REGULATORY FRAMEWORK
Table 2.1 MCLs for inorganic constituents for ground water protection for UMTRA Project sites9
Constituent Maximum concentration" Arsenic 0.05 Barium 1.0 Cadmium 0.01 Chromium 0.05 Lead 0.05 Mercury 0.002 Molybdenum 0.1 Nitrate (as N) 10.0C Selenium 0.01 Silver 0.05 Combined radium-226 and radium-228 5 pCi/L Combined uranium-234 and uranium-238 30 pCi/Ld Gross alpha-particle activity 15 pCi/L (excluding radon and uranium) a60 FR 2854(1995). bMilligrams per liter unless otherwise noted.
Equivalent to 44 milligrams per liter (mg/L) nitrate expressed as N03. Equivalent to 0.044 mg/L.
DOE/AL/62350-156 20 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP2 2-3 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING REGULATORY FRAMEWORK
source of drinking water during the period of natural flushing (60 FR 2854; 40 CFR §192.12(c)(2)(D).
Subpart C
Subpart C, "Implementation," includes guidance for implementing methods and procedures to provide reasonable assurance that the provisions of Subpart B are satisfied. Subpart C requires that the conditions of Subpart B be met on a site- specific basis, using information gathered from site characterization and monitoring. A remedial action plan must be presented, stating the schedule and steps necessary to complete the cleanup of ground water at the sites to meet the conditions of Subpart B (60 FR 2854; 40 CFR § 192.20(b)(4)).
Subpart C provides guidance for implementing methods and procedures to provide reasonable assurance that the provisions of Subpart B are satisfied (60 FR 2854; 40 CFR § 192.21(g)).
2.1.2 Cooperative agreements and state requirements
The UMTRCA requires that remedial action be accomplished with the full participation and concurrence of the affected states and Indian tribes on whose lands the uranium mill tailings are located or disposed. The UMTRCA also directed the DOE to enter into cooperative agreements with these states and Indian tribes. No Indian tribes are affected by the activities at the Spook site. A cooperative agreement for the UMTRA Surface Project with the state of Wyoming was executed 16 February 1984.
The Wyoming state regulations for ground water are in Chapter VIII of the state of Wyoming water quality standards (State of Wyoming, 1993) and are presented as points of reference that support the limited use EPA ground water definition. Ground water found closely associated with commercial deposits of minerals, as found at the Spook site, may be considered Class V ground water and is not suitable for domestic, agricultural, and livestock uses, fish and aquatic life, or industrial purposes (Section 4(d)(8)(b)). In addition, Class VI ground water may be unusable or unsuitable for use because it is so contaminated that it would be economically or technologically impractical to make the water usable (Section 4(d)(9)(b)). In classifying ground water, the state takes into account the technical practicality and economic reasonableness of treating ambient water quality to meet suitability standards for use (Section 5(a)). The state's water quality MCLs for domestic use (Section 4(d)(1)) are similar to those proposed by EPA MCLs with the exception of uranium. The state established a MCL of 5.0 milligrams per liter (mg/L); the EPA established a MCL for uranium of 30 picocuries per liter (pCi/L), equivalent to 0.044 mg/L.
2.2 NATIONAL ENVIRONMENTAL POLICY ACT
Implementation of the UMTRCA represents a major federal action subject to the requirements of NEPA. The Council on Environmental Quality's regulations that
DOE/AL/62350-156 26 APRIL 1995 REV. 0. VER. 4 SPK006D4.WP2 2-4 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING REGULATORY FRAMEWORK
implement the NEPA are codified in 40 CFR Parts 1500-1508 (1994) and require that each federal agency develop its own implementing procedures (40 CFR §1507.3). The DOE NEPA regulations are contained in "National Environmental Policy Act; Implementing Procedures" (10 CFR Part 1021 (1994)). DOE guidance is provided in Recommendations for the Preparation of Environmental Assessments and Environmental Impact Statements (DOE, 1993b).
Pursuant to the NEPA, the DOE drafted a PEIS in 1994 that analyzed potential impacts of implementing programmatic alternatives for conducting the Ground Water Project. The preferred alternative for conducting the Ground Water Project will be selected by the DOE and published in a record of decision. All subsequent actions on the UMTRA Ground Water Project, including preparation of site-specific NEPA documentation, must comply with the record of decision.
DOE/AL/62350-156 20 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP2 2-5 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS
3.0 SUMMARY OF SITE CONDITIONS
This section describes the location and history of the Spook site, including local geography, past uranium mining and milling activities at and in the vicinity of the site, and the surface remedial action and associated ground water protection strategy. Site characterization data and the conceptual site model are also presented.
3.1 SITE DESCRIPTION
3.1.1 Location
The Spook processing and disposal site is in northern Converse County, Wyoming, approximately 48 miles (mi) (77 kilometers [km]) northeast of Casper (Figure 3.1). The area is sparsely populated, with the nearest town, Glenrock, 31 mi (50 km) south of the site. The climate is semiarid and cool with moderate humidity. The average annual precipitation (measured in the Casper area) is 11 inches (28 centimeters [cm]) with 60 percent of the precipitation falling during the spring and summer months (DOE, 1989). The ground is covered principally with short-grass prairie vegetation.
The Spook site is situated in the southern end of the Powder River Basin, a deep structural basin that lies along the east flank of the Middle Rocky Mountains. Sedimentary rocks in the area generally dip less than 2 degrees to the northeast. The gently rolling topography in the vicinity of the site has an elevation of approximately 5100 ft (1555 m). Drainage in the area is to the east and southeast toward the Dry Fork of the Cheyenne River, an intermittent stream approximately 1 mi (1.6 km) south of the site. Surface drainage is controlled to the north by the Cheyenne River Divide.
The southern part of the Powder River Basin contains significant uranium and coal deposits. The site is underlain by uranium mineralization associated with an alteration front in sandstone of the Tertiary Wasatch Formation. Uranium has been mined from open-pit mines (including the Spook pit) along the alteration front in the area. The Bear Creek uranium mill site (an UMTRCA Title II site) is approximately 2 mi (3 km) north of the Spook site.
3.1.2 History of operations and surface remediation
Through the 1960s, much of the uranium ore mined in the United States was processed by private companies under contract to the federal government for use in national defense research and weapons development. The Spook site was formerly mined for this purpose by the Wyoming Mining and Milling Company and by Western Nuclear, Inc.
The Spook open-pit mine was first excavated in 1962 and operated as a producing mine until 1966. A total of 42,600 tons (38,647 tonnes) of uranium ore were extracted. Initially uranium ore from the Spook mine was processed at
DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP3 3-1 I N
s*r (59) I f * \ i LSPOOK\ 1 SITE | Ro a
y Converse // 1 i i \ County | 1
i S^J (93) J j TO CASPER, WY \ GLENROCK 20 MILES ^^===5:::a^fpOUGLAS ^^
TO LUSK, WY 30 MILES
1 /26\ _r
LEGEND WYOMING INTERSTATE HIGHWAY
U.S. HIGHWAY
STATE HIGHWAY
CHEYENNE 10 10 20 30 MILES
10 0 10 20 30 40 KILOMETERS Map location
FIGURE 3.1 LOCATION OF THE SPOOK, WYOMING, SITE
MAC: SITE/SPK/SOWP/SITELOC 3-2 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS
the uranium mill at Jeffrey City, Wyoming, 165 mi (265 km) west of the site. As lower-grade ore was mined, it became more economical to process the ore on the site, so a uranium upgrading plant was established at the Spook site.
The uranium milling process at the Spook upgrader consisted of an acid-curing process used in conjunction with percolation heap leaching. In this process, crushed sandstone containing the uranium was agglomerated into small pellets containing ore, water, and sulfuric acid. These pellets were loaded into large vats and allowed to cure (giving time for the interstitial sulfuric acid to react with the ore pellets). After curing, an acidified solution was circulated through the pellet bed within the vats and then drained. This pregnant, uranium-bearing solution was processed by ion exchange. The palletized ore was then washed, and this wash solution was used to leach uranium from the next batch of pellets. The barren, washed pellets were disposed of in the open-pit mine. The uranium-bearing solution was passed through ion exchange columns containing an ammonium-bearing exchange resin. Uranyl sulfate complexes in the acid uranium-bearing solution were exchanged for ammonium, separating the uranium from other metals in the pregnant solution. The uranium was then removed from the exchanger (eluted) by passing another solution through the exchange column that released the uranium from exchange sites. There were several possible elutants, including sulfuric acid solution or acidified solutions of ammonium chloride or sodium nitrate. The latter elutant was probably used at the Spook upgrader, since this would explain the elevated concentrations of nitrate in ground water. After elution, the resins were regenerated using a solution of nitric acid followed by solutions of sodium and ammonium hydroxide. The eluted uranium was precipitated from solution as an oxide by neutralization with anhydrous ammonia. Some liquid was removed from this precipitate, leaving a thick slurry that was trucked to the uranium mill at Jeffrey City. The residue sands (tailings) were placed on the surface at the mill site and into the open-pit mine. The solutions used in the process were disposed of on the tailings pile and in the acid pond 1500 ft (460 m) south of the mill site (Merritt, 1971; Mashbir, 1964).
As a result of this operation, process reagents and derivatives in the contaminated ground water at the site include sulfate, ammonium, sodium, nitrate, and possibly chloride. In addition, leaching the ore would have solubilized several metals and non-metals, including aluminum, iron, calcium, magnesium, potassium, manganese, selenium, molybdenum, chrome, nickel, zinc, and the thorium progeny of uranium decay, including thorium-230, radium- 226, and lead-210.
Water used for ore processing came from two wells near the mill site completed at depths of 350 and 700 ft (107 and 213 m), respectively. The volume of water used in the processing activities is not known, but the wells were capable of yielding 60 and 150 gallons per minute (gpm) (4 to 9.5 liters per second [L/s]) respectively, based on well permit information from the Wyoming State Engineer's Office.
DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP3 3-3 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS
Surface remediation at the Spook processing site under Subpart A of 40 CFR Part 192 (1994) consisted of stabilizing the RRM in a disposal cell at the bottom of the Spook open-pit mine. Surface remedial action was completed in November 1989. An estimated 269,600 cubic yards (yd3) (206,200 cubic meters [m3]) of uranium mill tailings and other RRM were consolidated and stabilized in the disposal cell. The disposal cell includes a basal clay layer and is covered with a fine-grained infiltration and radon barrier. These features were designed to minimize infiltration, seepage, and migration of leachate from the bottom of the cell. The state of Wyoming then backfilled the Spook open-pit mine with overburden material. The surface was restored and revegetated. The top of the UMTRA disposal cell is now buried approximately 35 ft (11 m) below the existing land surface.
The surface remedial action ground water protection strategy at the Spook site, under Subpart A of 40 CFR Part 192, is based on the application of supplemental standards to limited use ground water in the uppermost aquifer. The limited use designation is based on ground water in the uppermost aquifer not being currently or potentially a source of drinking water because it contains widespread, ambient uranium and selenium contamination resulting from naturally occurring conditions (natural uranium mineralization associated with an alteration front), and from the effects of broadscale human activity not related to uranium milling operations (uranium exploration and mining activities) such that it cannot be effectively cleaned up for drinking or other beneficial purposes using treatment methods reasonably employed in public water supply systems (52 FR 36007).
The state of Wyoming, as agent for the United States of America, acquired title to a 13.5-acre (ac) (5.5-hectare [ha]) surface area over the disposal cell. The NRC developed regulations for issuing a general license for the long-term care of Title I disposal sites (10 CFR part 40 (1994)). Under these regulations, the general license becomes effective when the NRC concurs with the DOE's certification that the surface remedial action at the site is complete. In September 1993, the general license for Subpart A was issued for the Spook site.
3.1.3 Land and water use
The land surrounding the site is used predominantly for sheep and cattle ranching. Some irrigated hay production takes place along the Dry Fork of the Cheyenne River. Prior to 1982, uranium mines were also in production throughout the area.
Good quality ground water from confined aquifers in the Tertiary Wasatch and Fort Union Formations is used for domestic and stock watering purposes in the area. Ground water from the unconfined mineralized sandstone (uppermost aquifer) beneath the Spook site is not used because it is of marginal quality
DOE/AL/62350-156 26 APRIL 1995 REV. 0. VER. 4 SPKO06D4.WP3 3-4 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS
(because of mineralization and related mining and milling activities) and the sustained yield of ground water from the aquifer is less than yields from underlying confined aquifers.
3.1.4 Sources of existing data
Development and evaluation of the conceptual site model for the Spook site are based on a review of DOE site characterization data generated for the surface remediation phase of the UMTRA Project and reported in the RAP (DOE, 1990). Site characterization data include reconnaissance information, U.S. Geological Survey topographic maps, aerial photography, core and corehole logs, lithologic logs and well completion records from drilling and monitor well installation, data from water quality sampling, and aquifer testing data. Monitor well and water quality data are available in the UMTRA Project Software Program for Environmental Analysis and Reporting database (DOE, 1992b).
DOE installed 35 monitor wells (SPK01-0910 through -0944) in hydrogeologic units beneath the Spook site between December 1986 and August 1988 (Figure 3.2 and Table 3.1). Several monitor wells were decommissioned to facilitate remedial activities (SPK01-0910, -0911, -0928, -0929 and -0940) or because of well construction problems (SPK01-0926). Monitor wells were sampled for ground water quality from February 1987 through December 1988 (Table 3.2). The number of sampling rounds per well varies from two to six, depending on when the monitor wells were installed. Water levels were measured in the monitor wells during these sampling rounds, as well as during July 1994. Three domestic wells (SPK01-0800, -0803, and -0903) completed in deeper aquifers in the vicinity were also sampled for ground water quality. Details of well construction are not known. Water levels were not taken from these three wells, because two flowed at the surface and one had a windmill to provide water.
Water quality data through August 1988 were included in the RAP (DOE, 1990). A water sampling round was completed in December 1988 to verify data from the August 1988 sampling round, particularly for the new monitor wells installed during August 1988. These data fulfilled the requirements for site characterization in the RAP and allowed development of a ground water compliance strategy and concurrence from the NRC on the surface remedial action at the Spook site. With supplemental standards, based on Class III (limited use) ground water, as the compliance strategy, the NRC, DOE, and state agreed that it would not be necessary to continue ground water monitoring for compliance purposes. Therefore ground water sampling was discontinued after December 1988 (DOE, 1993c).
Relevant site characterization data are attached as Appendices A through E to this report. These data are monitor well lithologic logs (Appendix A); monitor well completion records (Appendix B); ground water elevations (Appendix C); ground water quality data by parameter (Appendix D); and a calculation set for aquifer pumping tests (Appendix E). Industry and government reports and
DOE/AL/62350-156 26 APRIL 1995 REV. 0. VER. 4 SPK006D4.WP3 3-5 • 800
944 A' i N
21122 22123 1812; 27T26 I
FORMER SPOOK OPEN-PIT MINE
DISPOSAL CELL
CO I
LEGEND
918 918 • 924 MONITOR WELL |" • UPPER SANDSTONE UNIT A 915 [«] MIDDLE SHALE UNIT 803 A 803 EXISTING WELL 923 (5) LOWER SANDSTONE UNIT 21|22 SECTION CORNER 28I27 (T«38»N, R«73«W) 928 O ABANDONED 936 A— A' LINE OF CROSS SECTION (SEE FIGURE 3.3) FORMER -T^> ACID C J} B— B' LINE OF CROSS SECTION (SEE FIGURE 3.4) POND 939 • \930 942 1000 1000 2000 3000 FEET
500 500 1000 METERS 937 3 FIGURE 3.2 MONITOR WELL LOCATION SPOOK, WYOMING, SITE
MAC: SITE/SPK/SOWP/BASE-MONX-SEC L-Z EdM'*0900)idS * U3A *0 7V3U 5661 llUdV OZ 9si-osez9/iv/3oa o oo o oo i2rd LOCATIO N >—1 so
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N«N«>0>NO>S'ON'ONOOUIO>0)WCO WC900WO*>-»t>W» 0-»*»VIUl 7* oramr1- SO SO -a1 O CO > > Z COORDINAT E »•z » c > o o n ooooouiooovnoooouiuiuio c>ouivnuiuiuiooooooomv/i EAS T &.*--»r>jo-oroo-»oroJ»oo4 > (F T MSL ) ^UlUIUIUIUlUlUIUIUIUlUIUIUtUIUIUIUI U1UIUIU1U1UIUIU1UIUIU1UIU1UIU1UI GROUN D •00000-»000-»00-»0-»000 0O-»-»-»0-»-«OOOO0-'00 «N>u->aw«'OMSNoc»aaiU'0 UN-TUWOOO^NUI'O'OOOO WSSWUIt>W ooooooooooooooooo oooooooooooooooo BOREHOL E DEPT H (FT ) UIU1UIOOOOO'OOOUIOaNNOUNSONOO'OaUIUIOOUIO«'W^ OOOOOOOOUIOOOOOOOOOOOOOOOOOOOOOOOOUIUI ooooooooooooooooooooooooooooooooooo so CO —1 DIAMETE R BOREHOL E (INCHES ) m 5» •o CO n m-< r- O00O030309090)03000309O«C>000000000000000000030000000300000000000009 so m -i oooooooooooooooo-goooo-o-g-rj-^oooooooooo co w OOOOOOOOOOOOOOOOUlOOOOUltJlUlUIOOOOOOOOOO o •o CO ooooooooooooooooooooooooooooooooooo ?s —>i o _» o m ELEVATIO N (F T MSL ) _* ne CO CASIN G CO ^U1UIU)UIUIU1UIU1U1U1UIUIU1VIUIU1U1 U1U1U1U1U1U1U1U1U1U1U1U1U1U1U1U1 n -o vooooo-»ooo-»oo-»o-»ooo oo-»-»-»-»-»-»ooooo-»oo o •o z r— CO 85 z •-o• LENGT H LENGT H SCREE N SCREE N e (FT ) (FT ) z z CO OOOOOOOOOOOOOOOOOOOOOOOOOOUIOUIV/IU1U1UIV/IO z > z ooooooooooooooooooooooooooooooooooo CI •o o COD E FLO W s zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz COMPLETIO N FORMATIO N £££££££££££££££££££££££££££££§£££££ O F SNOLUQNOO 3JJS 10 AHVWWnS 9NIH0AM 'MOOdS IV BUS JL03rOUd VUlWfl 3Hi HOd NVTd 51H0M 1VNOU.VAH3SBO 31IS SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK. WYOMING SUMMARY OF SITE CONDITIONS —1 UJ a. t- x «•• < CO CO >• ae § i— •-• >N. 3 3 o SS a a SAMPLIN G PERIO D at v ^o SH 1- < a. m •» 3 co jo» O Ul ^ CO tO z 3: «- CM 8 >» v» 8- a. «- o a: »— (S. *- o «-«-«-«-«-T-«-«-*-«-rvif\if\ic\jrMtM«\if\i • •Mi«inwMioKinM>»<»'f"»>» c^ o* o* o* o* o* o* o» & ©» o* o* o* o« ©» o* o* CJ^ o* ^ ©» o* CJ^ o* o» ©» o* o* o* ON o*> o* « < «™ Ul oooooooooooooooooo oooooooooooooo a 12/8 8 * in•• *~< U.UQI o«-ruro«*in>ot>"COO>o»-(\jio»j-irif>-ooo>o^-fMr'i»»iri>ot>-eoo>o«-rjfO«* C] >-'->-<-'-«->-<->->-lM(M(VINlM(M OH OH OH 0» OH OH OH OH OH OH OH OH OH OOOOO O OO O O O CD O 02/8 8 o «- N-OHO ro o «- C\J OH OH OH OH O* OH OH OH OH OO O O O O OOO 01/8 8 o *- M'ntinHONeoOOf-NM^inNeoOsO o* o* o* o* o* &» o* o* o» C3K o* o* o* o* o* C3* o* o* o* oo ooooooooooooooooo 09/8 7 o*-c\jro^*in«ON.eoo> o* c^ o* ©» o» o* o* o» o> o* oooooooooo ! z•< UJ 3333333333333333333333333333333333 TYP E o»- DOE/AL/62350-166 20 APRIL 1995 REV. 0. VER. 4 SPK006D4.WP3 3-8 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS information from the literature were also used in the investigation and are listed in the reference section. 3.2 SITE CHARACTERIZATION 3.2.1 Hvdroaeolopv Continental fluvial sediments of the Tertiary Wasatch Formation more than 300 ft (90 m) thick underlie the Spook site and dip less than 2 degrees to the northeast. The Wasatch Formation consists of lenticular fine-grained to conglomeratic arkosic sandstone, siltstone, claystone, carbonaceous shale, and coal. The Wasatch Formation is divided into three distinct hydrogeologic units: the upper sandstone unit, the middle shale unit, and the lower sandstone unit. The upper sandstone unit is considered the uppermost aquifer for demonstrating compliance with Subpart B of the final EPA ground water protection standards (60 FR 2854 (1995)). The upper sandstone unit consists of moderately cemented, fine- to coarse• grained sandstone containing silty shale lenses. It ranges in thickness from 70 to 140 ft (21 to 43 m). The middle shale unit is composed of well-consolidated silty shale. It ranges in thickness from 40 ft (12 m) in the vicinity of the site to greater than 180 ft (55 m) east of the site. The lower sandstone unit consists of moderately cemented, fine- to coarse-grained sandstone, with the top of the unit in excess of 160 ft (49 m) below the surface near the site (Figures 3.2, 3.3, and 3.4). Ground water beneath the Spook site occurs in the upper and lower sandstone units of the Wasatch Formation under unconfined and confined conditions, respectively. Depths to the water table in the upper sandstone unit range from 40 to 120 ft (12 to 37 m) below the ground surface. The observed saturated thickness of the upper sandstone unit is approximately 20 ft (6 m) in the vicinity of the site. The upper and lower sandstone units are separated by an aquitard consisting of a thick, laterally extensive silty-shale unit (middle shale unit) with no apparent hydraulic interconnection between the two units. Ground water in the upper sandstone unit in the vicinity of the site is recharged by infiltration of precipitation and seepage from intermittent streams. Recharge also resulted from processing solutions used in milling during the 1960s. There is no evidence of discharge of ground water from the upper sandstone unit to the land surface or surface water in the vicinity of the site (based on field observations and conversations with local ranchers). Seasonal fluctuations of the potentiometric surfaces of the upper and lower sandstone units are generally less than 1 ft (0.3 m), based on water level measurements taken during 1987 and 1988. Comparison of ground water elevations measured during 1987-1988 to elevations measured during July 1994 indicates relatively stable ground water conditions in the upper and lower sandstone units in the vicinity of the Spook site. DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP3 3-9 FORMER SPOOK A' OPEN-PIT MINE (EAST) 5150 POSITION OF FORMER TAILINGS PILE 914 DISPOSAL CELL 5100 - 933 931 (PROJECTED) 5050 - 917 938 (PROJECTED) 'W UPPER 944 800 5000 rV\ k^^m^^m SANDSTONE UNIT 4950 - - SITE-RELATED 5 4900 CONTAMINATION til - IN GROUND WATER in LL z 4850 7. LOWER o SANDSTONE UNIT MIDDLE SHALE 1- UNIT < Tw 5 4800 LU LEGEND 4750 - SANDSTONE S£'$ SHALE 4700 931 MONITOR WELL DESIGNATION WATER LEVEL IN UPPER SANDSTONE UNIT MAIN WATER-BEARING 4650 - (JULY 1994) 500 500 1000 FEET ZONE WATER LEVEL IN LOWER SANDSTONE UNIT (JULY 1994) 250 250 METERS 4600 - SCREEN NOTES: 1. FOR LOCATION OF CROSS SECTION FILTER PACK SEE FIGURE 3.2. 4550 -1 DIRECTION OF GROUND WATER FLOW FIGURE 3.3 2. VERTICAL EXAGGERATION x10. Tw TERTIARY WASATCH FORMATION CROSS SECTION A-A' SPOOK, WYOMING, SITE MAC: SITE/SPK/SOWP/X-SEC(A-A') - 3 m o LU CO i s o o o o o o o o o o O o o o in o in o in o m o in o in o o CD CO CO 00 co CO m m in -a- <3- § It (1SW) 133d Nl N0I1VA313 CO d < 5 3-11 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS The predominant ground water flow direction in the upper sandstone unit is to the northeast, under an average horizontal hydraulic gradient of 0.005 (Figure 3.5). The gradient becomes steeper northeast and southeast of the site. The configuration of the ground water table in the upper sandstone unit is controlled by the elevation of the top of the middle shale unit as well as land surface topography and recharge. The ground water flow direction in the lower sandstone unit is generally to the southeast under a hydraulic gradient averaging 0.01 (Figure 3.6). Aquifer pumping tests were conducted in monitor wells SPK01-0913 and -0928 to measure hydraulic parameters of the upper sandstone unit. The tests were run for 13.1 and 16.8 hours with an average discharge rate of 3.3 and 4.2 gpm (0.2 L/s and 0.26 L/s), respectively. Although the average discharge rate (yield) of ground water from the uppermost aquifer was sustained at approximately 4 gpm (0.25 L/s) during the aquifer pumping tests, steady-state conditions were not reached. Drawdown of approximately 4 to 5 ft (1 to 2 m) was observed in the pumping wells from an average saturated thickness of 14.5 ft (4.4 m). The two tests indicated an average transmissivity of 225 ft2/day (2.42 cm2/s) in the upper sandstone unit. The average hydraulic conductivity of the upper sandstone unit, determined by dividing the transmissivity by the average saturated thickness (14.5 ft [4.4 m]), was 15 ft/day (5.3 x 10"3 cm/s). The average linear ground water velocity in the upper sandstone unit was 0.38 ft/day (1.34 x 10"4 cm/s), based on the above hydraulic conductivity, an average hydraulic gradient of 0.005, and an estimated effective porosity of 0.20. The aquifer pumping test calculations are presented in Appendix E. Based on the average linear ground water velocity in the upper sandstone unit, it is estimated that conservative species of contaminants in ground water could have migrated approximately 2500 ft (760 m) downgradient from the site since the period of uranium processing operations during the 1960s. This estimate is based on limited data and could change, depending on the following conditions: spatial variability of aquifer parameters, temporal variation in recharge to the system during and after uranium-processing activities, and retardation of contaminants. The maximum influx of fluids (and contaminants) through the unsaturated zone into the ground water system would have occurred while uranium-processing activities were in progress. Fluid from the tailings (which were deposited adjacent to and into the Spook open-pit mine) would infiltrate from the bottom of the pit into ground water at a depth of approximately 20 ft (6 m) below the surface. After milling operations ceased, the principal driving force for contaminant migration decreased and steady-state conditions were approached in the aquifer over time. After completion of remedial action at the Spook site, the open-pit mine was filled in with overburden materials, causing the vertical distance to the water table to increase from 20 ft (6 m) to approximately 100 ft (30 m) reducing the ability of fluids to migrate into the ground water system. DOE/AL/62350-156 26 APRIL 1995 REV. 0. VER. 4 SPK006D4.WP3 3-12 s s A ft 800 fc. o © \ \ \ \ 944 \ \ • \ \ 494V \ \ \ 931 , 22|23 925 \27I26 4986 4984 943 FORMER SPOOK OPEN-PIT MINE C& 4978 DISPOSAL CELL CO I • 941 CO 938 (?* 4988 LEGEND 934 MONITOR WELL ,/~918 • UPPER SANDSTONE UNIT 915 [•] MIDDLE SHALE UNIT A 4988 GROUND WATER ELEVATION (JULY 1994) 923 ® LOWER SANDSTONE UNIT 803 A 803 EXISTING WELL 928 O ABANDONED MONITOR WELL 21122 SECTION CORNER GROUND WATER FLOW i]|2 ^> DIRECTION 28'2'8^27 (T«38«N, R«73«W) GROUND WATER ELEVATION CONTOUR ACID •5000 (FT ABOVE MSL, DASHED WHERE INFERRED) POND 939 O 1000 1000 2000 3000 FEET 5018 919(3^1 '5012 500 500 1000 METERS FIGURE 3.5 POTENTIOMETRIC SURFACE MAP OF THE UPPER SANDSTONE UNIT 902 SPOOK, WYOMING, SITE MAC: SITE/SPK/SOWP/BASE-UPPERPOTEN A 800 944 933 22123 27126 943 FORMER SPOOK OPEN-PIT MINE DISPOSAL CELL GO i LEGEND MONITOR WELL /~918 • UPPER SANDSTONE UNIT GROUND WATER ELEVATION 915 [¥j MIDDLE SHALE UNIT A (JULY 1994) 923 (•) LOWER SANDSTONE UNIT 803 EXISTING WELL GROUND WATER FLOW 21|22 SECTION CORNER c=> DIRECTION 28l27 (T«38«N, R«73»W) FORMER —^nnn GROUND WATER ELEVATION CONTOUR ACID (FT ABOVE MSL, DASHED WHERE INFERRED) POND 1000 1000 2000 3000 FEET 500 1000 METERS • 937 FIGURE 3.6 POTENTIOMETRIC SURFACE MAP OF THE A A LOWER SANDSTONE UNIT 903 902 SPOOK, WYOMING, SITE MAC: SITE/SPK/SOWP/BASE-LOWERPOTEN SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS 3.2.2 Geochemical conditions and regional ground water quality The Spook uranium mill site is underlain by uranium mineralization associated with an alteration front in the upper sandstone unit. Uranium ore deposits characteristically occur at irregular intervals along the alteration front, as evidenced by the Bear Creek open-pit mine north of the Spook site and Kerr McGee open-pit mines south of the site. The primary regional mineralization episode probably occurred during the Oligocene through early Miocene Ages as oxidizing ground water moved from the south through sandstone aquifers in the Wasatch Formation and through overlying formations, dissolving disseminated minerals that contained trace amounts of uranium, molybdenum, and selenium (Galloway, 1979). The metal-bearing ground water migrated toward the west, north, and east, until changes in physical and geochemical conditions caused precipitation of uranium, selenium, and molybdenum along the edges of the alteration front. Figure 3.7 shows the resulting pattern of mineralization, with the alteration front separating the unaltered sandstones (west, north, and east of the front) from the altered sandstones in the interior of the front. The Spook site lies on that front, at the boundary between altered and unaltered sandstones. There is generally a geochemical gradient within uranium-mineralizing alteration fronts, with vanadium and selenium precipitates being concentrated on the altered (interior) side of the front, uranium concentrated in the middle, and molybdenum concentrated on the unaltered (exterior) side. In the Powder River basin, selenium precipitates have been identified as being ferroselite in the interior of the front, with some elemental selenium occurring on the reduced side (Granger and Warren, 1974). At present, the ground water flow direction in the upper sandstone unit beneath the Spook site is from the southwest to northeast, moving from the unaltered sandstones, which contain no uranium mineralization, through the uranium- bearing alteration front and into the oxidized, altered sandstones. As the ground water encounters uranium- and selenium-bearing minerals, it dissolves those minerals. Thus, as naturally-occurring ground water moves from the unaltered zones into the area of altered sandstones, ground water quality can be expected to degrade as naturally-occurring uranium and selenium are dissolved into the ground water. Evidence that this natural degradation of ground water quality has occurred in the vicinity of the alteration front is provided in Figure 3.7, which shows that uranium and selenium concentrations in natural ground waters are higher within the area of altered sandstones. Ground water beneath the Spook site is within the altered, oxidized interior of the alteration front. Ground water from the west side of this front (farther upgradient) would encounter conditions in unaltered, reduced sandstones, which are not representative of conditions beneath and downgradient from the Spook site. DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP3 3-15 S-5 ALTERATION FRONT? <0.004 °j <0.010 UNALTERED SANDSTONES UNALTERED SANDSTONES (UNOXIDIZED) (UNOXIDIZED) S-10 O S-15 <0.003 O <0.010 <0.009 <0.012 MW-1 MW-2 <0.003 ° O <0.005 <0.006 S-8 <0.008 O MW-3 <0.002 O <0.010 <0.003 <0.008 MW-3 MONITOR WELL O <0.003 U (mg/L) IN GROUND WATER <0.008 Se (mg/L) IN GROUND WATER YZZA URANIUM ORE DEPOSITS 2000 0 2000 4000 6000 FEET 1000 2000 METERS FIGURE 3.7 ALTERATION FRONT IN THE VICINITY OF THE SPOOK, WYOMING, SITE MAC: SITE/SPK/SOWP/ALTERFRONT 3-16 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS Because of the influence of the alteration front geochemical gradient on ground water chemistry at the site, background ground water quality must be assessed using available information on regional background conditions and information from downgradient monitor wells that have not been impacted by uranium processing operations. Background ground water quality is the quality of ground water expected in the vicinity of the Spook site if contamination had not occurred as a result of uranium-processing activities. Regional background ground water quality data from sandstones in the Wasatch Formation were collected by Rocky Mountain Energy (RME) from 22 domestic wells and monitor wells during the period between 1974 and 1977 (RME, 1983). The wells were completed in both the altered and unaltered portions of the Wasatch Formation, as determined by their location relative to the alteration front (Figure 3.7). The data were collected as part of a mining permit application for the RME Bear Creek Project, and ground water was sampled prior to mining and milling activities. Thus, the data represent natural, ambient ground water quality. These data are available from the state of Wyoming (RME, 1983). The average concentration of selected constituents and the depth for each well are summarized in Table 3.3, and the complete set of data are provided in Appendix D. Regionally, in unaltered sandstones, uranium concentrations are generally less than 0.005 mg/L and selenium concentrations are generally less than 0.01 mg/L, reflecting the absence of mineralization within the unaltered sandstones (Table 3.3). Other metals associated with mineralization (molybdenum and chrome) are also not present at levels above detection. Nitrate concentrations range up to 8.8 mg/L; ammonium is generally less than 0.3 mg/L; and the pH is slightly alkaline. In contrast, regional data for the altered sandstones demonstrate that most ground water within the altered sandstones has elevated concentrations of uranium and selenium compared to ground water in the unaltered sandstones. Of the eight wells located within the altered sandstone, six have selenium concentrations in excess of the UMTRA Project MCLs for selenium (0.01 mg/L). Uranium exceeds the MCL for uranium (0.044 mg/L) in one well. Molybdenum and chromium occur at levels that are close to or below detection levels. Ammonium is generally below detection; nitrate ranges from less than 0.2 to 38 mg/L (averaging 7.7 mg/L); and pH is slightly alkaline (Table 3.3). The regional data demonstrate that ground water from the altered sandstones has uranium and selenium concentrations generally greater than those in the unaltered sandstones and that the altered sandstones contain ground water with ambient uranium and selenium concentrations in excess of the MCLs for UMTRA Project sites. Some spatial variability occurs in uranium and selenium concentrations in ground water because of physical and geochemical conditions in the sandstones and the ground water flow patterns. DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP3 3-17 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK. WYOMING SUMMARY OF SITE CONDITIONS Table 3.3 Summary of regional ground water quality in altered and unaltered sandstone of the Wasatch Formation, Converse County, Wyoming N03 NH4 Depth Se U Cr Mo asN03 so as N Well Id (ft) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L4 ) (mg/L) PH UNALTERED SANDSTONES8 Site 1 360 <0.010 < 0.004 < 0.006 < 0.020 3.3 423 <0.5 7.4 Site 2 325 <0.010 <0.013 < 0.004 <0.009 1.7 369 0.4 7.3 Site 3 270 <0.010 < 0.003 <0.006 <0.010 3.9 167 0.5 7.6 Site 4 260 <0.010 < 0.006 <0.006 < 0.030 4.2 171 0.5 7.5 Site 5 80 <0.010 < 0.004 < 0.008 <0.006 6.8 770 <0.1 7.3 Site 8 515 <0.010 < 0.002 < 0.007 < 0.020 2.5 26 <0.2 8.0 Site 9 410 <0.010 < 0.002 <0.006 <0.009 2.8 78 0.3 7.6 Site 10 430 <0.010 < 0.003 <0.009 <0.008 2.8 90 <0.2 8.2 Site 15 126 <0.012 <0.009 <0.006 <0.009 3.9 1392 <0.1 7.1 Site 16 240 0.010 <0.007 0.004 0.004 8.8 384 1.0 8.3 MW-1b 200 <0.005 < 0.003 <0.004 <0.010 0.6 577 <0.1 7.5 MW-2b 273 <0.008 0.006 <0.006 <0.020 5.8 352 <0.1 7.2 MW-3b 290 < 0.008 < 0.003 0.003 <0.005 5.6 562 <0.2 7.3 MW-21b 203 na na na na 0.4 274 <0.1 7.1 AVERAGE 284 < 0.009 <0.005 <0.005 <0.011 3.8 403 0.31 7.5 ALTERED SANDSTONES Site 6 265 <0.015 0.017 <0.004 <0.006 38.0 128 <0.1 7.2 Site 7 322 <0.016 0.032 <0.006 <0.010 3.6 551 <0.1 7.5 MW-20b 197 1.400 1.800 <0.02 <0.050 17.6 955 <0.1 7.8 MW-18b 271 0.065 0.036 <0.02 < 0.050 1.0 445 <0.1 7.6 MW-19b 237 0.040 na 0.05 0.050 <0.2 221 <0.1 7.4 MW-17b 176 0.031 0.023 <0.02 <0.050 0.4 888 <0.1 7.7 PW-2b 222 0.056 < 0.008 0.02 0.050 0.6 435 0.3 7.7 MW-16b 240 0.037 0.007 0.05 0.100 0.3 766 <0.1 7.7 AVERAGE 241 0.208 0.240 <0.024 <0.046 7.7 549 <0.13 7.6 aData listed are the average of one to seven sampling rounds per well. Averages as 'less than" are the average of detection limits and detected values. bData are for one sampling round only. DOE/AL/62350-156 20 APRIL 1995 REV. 0. VER. 4 SPKO06D4.WP3 3-18 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK. WYOMING SUMMARY OF SITE CONDITIONS Background ground water quality at the Spook processing site Six monitor wells (SPK01-0918, -0925, -0931,-0933, -0943, and -0944) are located downgradient but beyond the area of contamination as defined above (Figure 3.8 and Table 3.4). That is, these samples had no ammonium, a neutral to slightly alkaline pH, and nitrate concentrations less than 13 mg/L. Data from these wells were also checked against other positive indicators of contamination, such as chloride, sodium, and sulfate. One monitor well at the edge of the identified area of ground water contamination, monitor well SPK01- 0918, had a chloride concentration of 26 mg/L that may indicate contamination. However, the other five samples all had low chloride (less than 1 to 5.3 mg/L) and low sulfate (61 to 393 mg/L). The plume extends approximately 2500 ft (760 m) downgradient from the former tailings pile and acid pond. One well (SPK01-0925) lies close to the edge of the plume (within about 200 ft [61 m]) and was discounted as background because of its proximity to the plume. The four remaining monitor wells in the upper sandstone unit (SPK01-0931, -0933, -0943, and -0944) display no trends in nitrate, chloride, sulfate, or sodium as a function of distance from the core of contamination, and pH and major element chemistry are within the range of the regional background. These four wells are located 2900 to 6700 ft (880 to 2000 m) downgradient from the Spook site and 700 to 4200 ft (213 to 1300 m) beyond the edge of the plume. Data from these four monitor wells determined to be beyond the influence of contamination were used to determine the quality of background ground water in the altered upper sandstone unit at the Spook site. As with the regional background information, data from these background monitor wells on the site demonstrate the natural occurrence of uranium and selenium, in excess of MCLs for UMTRA Project sites, in ground water within the altered sandstones of the Wasatch Formation. Selenium concentrations (up to 1.1 mg/L) are within the observed range of regional background for altered sandstones (up to 1.4 mg/L), but uranium concentrations (0.89 to 2.9 mg/L) are slightly greater than the observed regional range (up to 1.8 mg/L). Overall, the comparison to regional background ground water quality data demonstrates that background ground water from altered sandstones near the site is typical of regional background. Together, both sets of data demonstrate that the concentrations of selenium and uranium in background ground water locally exceeds the MCLs for UMTRA Project sites. In addition, chromium exceeds the MCL in background ground water within the upper sandstone unit at the Spook site (Table 3.4). 3.3 CONCEPTUAL SITE MODEL A conceptual model of the Spook site has been developed to provide a basis for assessing the interaction of site-related contaminants with the environmental setting, contaminant release mechanisms, contaminant fate and transport, and potential risks to human health and the environment. The conceptual model is used to identify additional data needs (if any) and is the foundation upon which an appropriate ground water compliance strategy will be determined. Figure 3.9 DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP3 3-19 944 6 933 9 931 22|23 27I26 I 4 N 943 9 I FORMER SPOOK OPEN-PIT MINE FORMER TAILINGS PILE LEGEND 924 MONITOR WELL • 70 NITRATE IN mg/L (1988 DATA) too fr££> AMMONIUM > 0.1 mg/L «ZZ£> pH < 7.0 mg/L N03>13mg/L LIMIT OF TAILINGS RELATED CONTAMINATION 21122 SECTION CORNER 28127 (T»38«N, R«73«W) 1000 1000 2000 3000 FEET 500 500 1000 METERS FIGURE 3.8 EXTENT OF CONTAMINATION IN THE UPPER SANDSTONE UNIT BASED ON DISTRIBUTION OF AMMONIUM, ACID pH, AND NITRATE AT THE SPOOK, WYOMING, SITE MAC: SITE/SPK/SOWP/BASE1-EXTCONTAM Table 3.4 Summary of ground water quality in the upper sandstone unit at the Spook, Wyoming, site \A PROJ E OBSERV A Containment8 Outer plumeb core wells Background6 CTS I TION , Parameter MCL Min Mediand Max Min Mediand Max Min Mediand Max TEA ! ALW ( Ammonium No MCL 69 98 300 <0.1 <0.1 22 <0.1 <0.1 <0.1 Antimony No MCL 0.001 0.020 0.036 < 0.003 0.004 0.014 < 0.003 < 0.003 0.004 tn 3) 2IOK , *PU U Arsenic 0.05 0.004 0.012 0.05 <0.001 <0.01 0.02 <0.001 <0.01 <0.01 Barium 1.0 <0.01 <0.06 <0.10 <0.01 <0.10 0.36 0.03 <0.10 <0.10 % "" 3§ Cadmium 0.01 < 0.001 <0.005 0.021 <0.001 <0.001 0.011 <0.001 <0.001 < 0.003 inO s'" Chromium 0.05 <0.01 0.15 0.17 <0.01 0.06 0.23 0.04 0.06 0.08 Lead 0.05 <0.01 <0.01 0.03 <0.001 <0.01 0.02 <0.01 <0.01 <0.01 Manganese No MCL 5.0 15 28 <0.01 0.06 0.40 <0.01 0.02 0.05 Mercury 0.002 < 0.0002 <0.0002 0.0004 <0.0002 < 0.0002 0.0005 < 0.0002 < 0.0002 0.0004 Molybdenum 0.10 0.02 0.07 0.18 <0.01 0.02 0.20 <0.01 0.01 0.02 Nitrate (as N03) 44 160 350 690 <0.1 41 490 2.2 4.0 9.1 PH No MCL 5.59 6.38 7.13 6.39 7.01 8.50 6.99 7.20 7.50 Radium 226 + 5.0 3.4 44 94 0.9 8.5 194 1.3 2.2 3.4 228 (pCi/L) Selenium 0.01 0.045 0.96 6.6 <0.001 1.15 21 0.036 0.39 1.1 Silver 0.05 <0.01 0.03 0.04 <0.01 0.01 0.08 <0.01 0.01 0.02 Sulfate No MCL1530 2940 3760 58 330 1300 146 159 393 Total dissolved No MCL3670 4970 5490 55 870 2720 440 500 860 solids CO c Uranium 0.044 0.80 0.017 2.0 0.89 2.0 2.9 2 0.043 3.9 25 AAR Y O F SIT E CONDITION S "Contaminant core wells are characterized by high ammonium and low pH. Wells used are DOE monitor wells SPK01-0920, -0930, -0935, and -0940. bOuter plume wells lie outside the contaminant core but within the nitrate plume (Figure 3.7). Wells used are DOE monitor wells SPK01-0911, -0912, -0913, -0916, -0917, -0922, -0924, -0927, -0928, -0929, -0932, -0934, -0936, -0937, -0939, -0941, and -0942. "Background wells are at least 500 ft ( m) beyond the nitrate plume, downgradient of the processing site. Wells used are DOE monitor wells Spk01-0918, -0925, -0931, -0933, -0943, and -0944. dThe median represents the 50th percentile of the pooled data from the wells in each category. All data expressed as milligrams per liter unless noted as picocuries per liter. PRIMARY CONTAMINANT PRINCIPAL SOURCES RELEASE TRANSPORT EXPOSURE OF CONTAMINATION MECHANISM MEDIUM ROUTES RECEPTORS © © ® ® ® INGESTION TAILINGS INFILTRATION GROUND WATER —N PILES DISSOLUTION/ DERMAL -N NONE ORE PILES DESORPTION CONTACT PLANT UPTAKE ACID POND GROUND WATER — WINDBLOWN TAILINGS LEGEND NATURAL MINERALIZATION SURFACE CONTAMINATION STABILIZED IN DISSOLUTION/ © EXISTING MINE PIT (DOE, 1990). IN UPPERMOST DESORPTION AQUIFER RELEASE MECHANISM ACTIVE © PRIOR TO SURFACE STABILIZATION. © INCOMPLETE PATHWAY. PRINCIPAL EXPOSURE ROUTES EVALUATED RELATIVE TO HYPOTHETICAL USE OF NATURALLY MINERALIZED GROUND WATER IN UPPERMOST © AQUIFER. NO CURRENT RECEPTORS IDENTIFIED. GROUND WATER NOT USED FOR DOMESTIC OR STOCK © PURPOSES. NOTE: DASHED LINE INDICATES CONJECTURAL RELATIONSHIP. FIGURE 3.9 CONCEPTUAL MODEL FOR THE SPOOK, WYOMING, SITE MAC: SITE/SPK/SOWP/CONCEPTMODEL SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS depicts the conceptual site model for the Spook site. Under the observational approach, the model is also used to identify appropriate contingencies. 3.3.1 Contaminant sources Ground water in the uppermost aquifer (upper sandstone unit of the Tertiary Wasatch Formation) beneath and downgradient of the site has been contaminated by uranium processing activities that occurred from 1962 until 1966. Site-related contaminants in ground water have been detected approximately 2500 ft (760 m) downgradient and include uranium, selenium, chromium, molybdenum, and radium-226 and -228. The sources of site-related contamination in ground water in the upper sandstone unit include chemical and radiological constituents derived from tailings and ore piles, the acid pond, and windblown tailings subjected to leaching during precipitation infiltration. The volume of all contaminated material is estimated to be 243,000 yd3 (DOE, 1990). The original site-related sources of shallow ground water contamination in the upper sandstone unit are no longer active, having been stabilized within the Spook open-pit mine. Naturally occurring alteration front mineralization within the saturated zone also constitutes a source of contamination for ground water in the upper sandstone unit. 3.3.2 Extent and magnitude of contamination Process reagents and derivatives that could reasonably be anticipated in the contaminated ground water at the site include sulfate, ammonium, sodium, nitrate, and possibly chloride. Comparison of the regional background ground water quality (Table 3.3) with samples from DOE monitor wells in the upper sandstone unit (Table 3.4) indicates that all of these anticipated process reagent contaminants are present at levels significantly greater than background levels. Of these, nitrate is the most useful for identifying the extent of contamination. Ammonium and pH are buffered by reactions with the solid rock matrix and only serve to identify the area most intensely affected by contaminants. In contrast, nitrate is a chemically conservative constituent (generally not affected by reactions with aquifer matrix) and delineates areas that have received lesser amounts of contaminated solutions because of dilution and chemical reactions. Nitrate is used in respiration by bacteria (denitrification); however, denitrification will not occur in the presence of dissolved oxygen (Rowell, 1981). Dissolved oxygen is present in ground water in the region (RME, 1978) and on the site (DOE, 1990) in measurable amounts (averaging about 1.6 mg/L in the upper sandstone unit on the site). Thus, nitrate is probably not appreciably affected by denitrification in the upper sandstone unit beneath the site. Together, ammonium and pH define a core of contamination in the upper sandstone unit centered on the sources of contamination, including the tailings pile, acid pond, and areas in between (Table 3.4 and Figure 3.8). In this core area, ammonium generally is present at levels above those found in the regional DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP3 3-23 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS background (less than 0.1 mg/L) and/or the pH is less than 7.0, lower than that observed in regional background (pH greater than 7.0). In addition, nitrate and sulfate are present in the contaminated ground water at relatively high concentrations in the core of contamination (up to 690 mg/L nitrate and 3760 mg/L sulfate) (Table 3.4). Nitrate concentration in regional background ground water ranges from less than 0.2 to 38 mg/L, with an average of 5.2 mg/L and a standard deviation of 8.3 mg/L. Nitrate values at the site in excess of the regional mean-plus-one standard deviation (13 mg/L) delineate the contaminated area that includes the core of contamination and an outer zone of contamination with elevated nitrate, but little or no ammonium and generally neutral to slightly alkaline pH (Table 3.4 and Figure 3.8). The nitrate delineates two plumes: one extends northeast of the tailings pile, and the second extends east of the acid pond. The trends of these plumes are consistent with the hydrologic gradient, and the extent of the plumes is consistent with the ground water flow velocity computed from hydrologic tests. Not enough data exist to determine long-term time-dependent trends in the concentrations within the core and outer portions of the plumes. The depth of contamination is restricted vertically to the upper sandstone unit, which is underlain by a persistent shale aquitard. Ground water in the lower sandstone unit is not contaminated as a result of milling operations at the Spook site, and concentrations of all constituents are below MCLs for UMTRA Project sites (Table 3.5; Appendix D). Elevated concentrations of nitrate and uranium detected in monitor well SPK01-0910 during the initial round of sampling in February 1987 (a few weeks after completion of the well) were possibly the result of contamination introduced into the ground water during drilling and installation of the well. Five sampling rounds from September 1987 to December 1988 displayed a significant decrease in nitrate (from 60 to less than 10 mg/L) and uranium (from 0.08 to 0.01 mg/L), demonstrating that mixing and dilution with natural ground water are returning the ground water near this well to its natural state. Data from the DOE background monitor wells in the upper sandstone unit were compared to the water quality data from wells located within the core and outer portions of the contaminant plume associated with the tailings pile and acid pond. The comparison of background to plume data indicate that, within the upper sandstone unit, several constituents in the plume are at concentrations above MCLs for UMTRA Project sites, including chromium, molybdenum, nitrate, selenium, uranium, and combined radium-226 and -228. In addition, a few samples within the plume exceeded the MCL for cadmium; however, most contaminated ground water contained less than 0.001 mg/L cadmium. About half of the contaminants in the plume that exceed UMTRA Project MCLs are present at levels 10 times or less that of background. These include chromium (about 2 times background), molybdenum (about 10 times background), and uranium (about the same as background). Selenium is also generally present at concentrations near that of background (within 3 times that DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP3 3-24 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS Table 3.5 Ground water quality in the lower sandstone unit at the Spook, Wyoming, site Parameter MW-910 MW-914 MW-919 MW-921 MW-923 MW-938 Alkalinity3 135 111 165 214 145 213 Ammonium 0.5 <0.1 <0.1 <0.1 <0.1 <0.1 Arsenic <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 Cadmium <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 Calcium 50 34 57 104 50 10 Chloride <1.0 <1.0 <1.0 2.1 <1.0 <1.0 Chromium 0.05 0.01 0.02 0.04 0.02 <0.01 Gross alpha (pCi/L) 12 11 5 0 4 2 Gross beta (pCi/L) 7 4 7 17 6 4 Iron 0.04 <0.03 0.05 0.68 0.07. <0.03 Lead <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 Magnesium 9 5 10 22 9 2 Manganese 0.04 0.02 0.03 0.07 0.04 <0.01 Nitrateb 8 7 1 5 6 6 PH 8.0 8.2 7.6 7.3 7.7 8.6 Potassium 5 4 5 7 6 4 Radium-226 (pCi/L) 0.7 0.3 1.3 0.6 0.8 0.3 Radium-228 (pCi/L) 0.9 0.8 1.7 1.8 0.6 0.0 Selenium 0.006 0.005 0.006 <0.005 < 0.005 < 0.005 Silver <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 Sodium 77 56 58 36 98 80 Sulfate 200 110 160 210 210 2 Total dissolved 470 340 60 560 510 260 solids Uranium 0.0101 0.0012 0.0015 0.0006 0.0011 0.0004 Vanadium <0.01 <0.01 <0.01 0.02 <0.01 <0.01 a Alkalinity as mg/L CaC03. b Nitrate expressed as N03. Data are for filtered samples collected December 10, 1988. All data expressed as milligrams per liter unless otherwise noted. DOE/AL/62350-156 20 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP3 3-25 Tlfc.!.v jUI •»..'. ^^.^'.'•-v ,.-Ui'- SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS of background), though locally (in monitor well SPK01-0916), selenium exceeds background by a factor of about 20. Nitrate in the area of the plume is considerably above background levels (up to about 90 times background) but decreases steadily in the outer portions of the plume to near background levels. Combined radium-226 and radium-228 is present locally at concentrations up to 60 times background. 3.3.3 Potential release mechanisms Based on available information regarding the uranium milling process, characterization of tailings solutions, and the distribution of contaminants in ground water, a reasonable model of the potential contaminant release mechanisms has been developed. Acid solutions used in the uranium milling process at the Spook site were disposed of on the tailings pile and in the acid pond. Consequently, these solutions percolated into the vadose zone, where they were neutralized by reactions with carbonate minerals. However, several constituents remained in neutralized solutions, including uranium, selenium, and nitrate. Process solutions from the tailings appear to have effectively drained over time, such that prior to surface remediation, the tailings were no longer saturated (DOE, 1990). Seepage from the acid pond resulted in the complete drainage of acid solutions from the pond prior to surface remediation. Thus the primary release of contaminants is thought to have been seepage of process solutions into the vadose zone prior to surface remediation. Potential secondary release mechanisms would include leaching of contaminants from tailings and subsoils immediately beneath the tailings and acid pond by infiltration of precipitation. Typically, leaching mechanisms include dissolution, desorption, and cation exchange. Surface remediation at the site has resulted in stabilization of site wastes in a disposal cell which incorporates features designed to provide long term hydrologic isolation. As a result, the primary and secondary release mechanisms as discussed above have been mitigated. Transient drainage is not expected to be a problem beneath the disposal cell because of the design and construction features of the disposal system, the limited amount of water used during the construction process, and the natural hydrogeologic conditions in the vicinity of the Spook site. 3.3.4 Contaminant fate and transport mechanisms A geochemical reaction effective in decreasing or removing contaminants from the process solutions was neutralization of acid process solutions by carbonate minerals within soils immediately beneath the tailings pile and acid pond. This neutralization occurred within 12 ft (3.7 m) of the contact between the tailings and the Wasatch Formation (Shepard and Brown, 1983); thus, the pH of the contaminant plume beneath the site is neutral to slightly acid (Table 3.2). Geochemical modeling of contaminated ground water within the plume area was DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP3 3-26 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK. WYOMING SUMMARY OF SITE CONDITIONS performed using the computer code PHREEQE (Parkhurst et al., 1980). This modeling indicates that most of the ground water is now equilibrated with calcite (a calcium carbonate mineral responsible for neutralizing the acid process solutions). Neutralization is generally effective in decreasing total dissolved solids, sulfate, aluminum, iron, radium, and cation trace metal concentrations in contaminant solutions produced by uranium processing. Another effective process for decreasing contaminant concentrations in the ground water is dispersion. The decrease in contaminant concentrations in the outer portions of the plume, relative to the core of contamination, demonstrates that dispersion has occurred at the Spook site (Table 3.2). This dispersion is caused by the movement of ground water from southwest to northeast across the site. Mixing of the contaminated water with natural water downgradient of the site has resulted in fivefold or greater decreases in total dissolved solids, sulfate, and nitrate. Further dispersion will occur in conjunction with contaminated ground water movement toward the northeast. Dispersion of the plume has little or no effect on the concentrations of uranium, molybdenum, selenium, or chromium because these constituents are present in background ground water at concentrations that are similar to, or even greater than, those in the plume. For example, most uranium concentrations in background ground water are the same as or greater than those in the core of the plume (Table 3.2), reflecting the fact that the principal source of uranium in both plume and background ground water is dissolution of uranium ores within the Wasatch Formation. As with uranium and selenium, radium concentrations in the plume may also result from dissolution of the uranium ore deposit in the alteration front. The extent of radium-226 and radium-228 migration into the Wasatch Formation beneath the tailings pile was generally less than 3 ft (1 m), due to coprecipitation with sulfates formed in response to neutralization reactions (FBDU, 1981). Considering the general effectiveness of this process, it is likely that locally high concentrations of radium in the plume (up to 194 pCi/L combined radium-226 and -228 in monitoring well SPK01-0924) are related to local dissolution of ore in the alteration front. Radium is adsorbed onto clay minerals, iron oxyhydroxides, and manganese oxyhydroxides (Ames et al., 1983). These solids are present within the altered upper sandstone unit on the site (DOE, 1989) and thus adsorption may limit the transport of radium from local sources. 3.3.5 Background risk evaluation A baseline risk assessment of site-related contamination was not performed for the Spook site because of the lack of exposure pathways for the uppermost aquifer and because of the naturally contaminated nature of background ground water from that aquifer. DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK0O6O4.WP3 3-27 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS The geochemical study presented above has demonstrated that widespread, ambient contamination exists in background ground water. To demonstrate the contaminated nature of the ambient background ground water from the uppermost aquifer, a screening level risk analysis was performed using data from the four background wells within the alteration front, but beyond the farthest extent of tailings-related contamination (SPK01-0931, -0933, -0943, and -0944). The risk analysis is provided in Appendix F. The risk analysis determined that site conditions support the proposed compliance strategy of performing no remediation. Potential exposure pathways There are no known current exposure pathways for ground water from the uppermost aquifer (upper sandstone unit) in the vicinity of the Spook site because the ground water is not used as a source of drinking water or for any other beneficial uses. Alternative supplies of good quality ground water are readily available from the confined lower sandstone unit and from deeper confined aquifers in the lower Wasatch and underlying Fort Union Formations. Several water supply wells in the Spook site vicinity derive ground water from these deeper aquifers for domestic purposes and stock watering. The Spook site is in a remote area of Wyoming, well removed from any large population centers. The nearest residence is 1.4 mi (2.3 km) southwest of the Spook site. An estimated 10 residents live within a 3-mi (5-km) radius of the site. Conversations with the Converse County Planning Commissioner and the local ranchers indicated that the large ranches in the vicinity of the Spook site have been owned and operated by successive generations of the families currently in residence, and it appears that this trend likely will continue into the future (DOE, 1990). Thus, the current population density is very low and is likely to remain very low in the foreseeable future. Conditions in the site area support the conclusion that there currently are no complete exposure pathways to ground water from the uppermost aquifer. Because there are no current or foreseeable future exposure pathways to ground water in the uppermost aquifer, this ground water does not present a risk to human health or the environment. 3.3.6 Treatability issues The two site-related constituents in ground water that could affect human health and the environment are selenium and uranium. The final EPA UMTRA Project site ground water cleanup standard for selenium is 0.01 mg/L (60 FR 2854 (1995)). Chapter VIM (4, (d)) of the Wyoming regulation states the ground water MCLs for domestic, agricultural, and livestock uses are 0.01, 0.02, and 0.05 mg/L, respectively (State of Wyoming, 1993). Background ground water selenium concentrations at the Spook site are well above both the state ground water MCLs and EPA ground water cleanup standard. The maximum background selenium concentration observed was 1.1 mg/L (Table 3.4). In DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP3 3-28 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS addition, the background ground water concentrations of uranium exceed both the state and EPA limits described above (Table 3.4). Selenium may be removed by several treatment methods. Treatment methods that are considered as best available treatment (BAT) methods by the EPA are electrodialysis, lime softening, activated alumina fluoride (alumina), and ion exchange. Although not listed as a BAT, reverse osmosis and distillation will also remove selenium along with other dissolved metals and salts. Since the water must also be treated for uranium removal, the process design for water treatment becomes more complicated. The elevated levels of selenium (1.1 mg/L maximum), uranium (2.9 mg/L maximum), calcium (179 mg/L maximum) and sulfate (393 mg/L maximum) make treatment of this water more akin to an industrial waste water treatment process than a public water supply treatment process. The need to achieve at least a 99 percent removal of selenium and uranium (to meet MCLs of 0.01 mg/L for selenium and 30 pCi/L, or 0.044 mg/L for uranium) emphasizes the difficulty. A treatment system to meet the EPA drinking water MCLs for these two elements could consist of a pretreatment system such as lime softening and filtration to remove calcium (which can cause scale formation), followed by either reverse osmosis or electrodialysis to remove selenium and uranium as well as all other metals and salts. Because of the need to achieve 99 percent reduction of uranium and selenium, the treated water would be very low in total dissolved solids, which would require the addition of some salts to prevent the water from being excessively corrosive in water system distribution lines. Alternately, pretreatment with a lime-softening unit could be used, followed by neutralization, filtration, and polishing with specific ion exchange resin units for selenium and uranium removal. The lime-softening pretreatment could remove 30 to 50 percent of the selenium and up to 90 percent of the uranium. Before polishing the water with the ion exchange units, ozone or chlorine would probably need to be added, as the selenium in the ground water is probably present as selenite (SeC^"2). Selenium removal with ion exchange resins is 4 preferential to the removal of selenate (Se04" ), as opposed to selenite. The same requirement for conversion of selenite to selenate exists with the use of alumina for the removal of selenium (Montgomery, 1985). In addition to the complexity of the treatment system, the treatment processes used to remove the selenium and uranium may generate wastes in the sludges and brines generated during treatment. If these wastes meet hazardous waste criteria, proper disposal of these residues will be very costly. Consistently achieving 99-percent-plus removal rates for selenium and uranium would be technically difficult. In addition to the high capital and operating costs for these systems, well-trained operating, maintenance, and laboratory personnel will be required at such a facility. None of these treatment processes are used on a DOE/AL/62350-156 20 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP3 3-29 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING SUMMARY OF SITE CONDITIONS widespread basis within Wyoming or EPA Region VIII for public water supply treatment (Jones, 1994). The extensive contamination of the aquifer caused by natural mineralization and the inability to employ reasonable treatment methods qualify ground water in the upper sandstone unit as limited use. The concentrations of selenium and uranium found in background ground water cannot be cleaned up using treatment methods reasonably employed in public water supply systems. 3.4 UNCERTAINTIES AND SUPPLEMENTAL DATA NEEDS Combining elements of the DQO process and the observational approach, the SAFER concept is a method of conducting environmental remediation activities under conditions of inherent uncertainty. These uncertainties include site conditions, remedial technology performance, and regulatory requirements. The DQO process defines the type and quality of data needed for characterization activities. The observational approach provides an operational framework for managing uncertainty and planning decision making. The observational approach also establishes a remedial design based on most-probable site conditions, evaluation of data sufficiency, identification of reasonable deviations, and preparation and implementation of contingency plans. No data deficiencies have been identified at the Spook site based on the evaluation of existing data and the conceptual site model. Therefore, no additional site characterization data are required to support the selection of the compliance strategy for Subpart B of 40 CFR Part 192. The lack of recent ground water quality data is not considered a significant data deficiency. Since completion of surface remediation activities in November 1989, the source of ground water contamination has been minimized and the amount of infiltration through the contaminated materials has been significantly reduced. Existing site-related contamination in ground water would be diluted over time by ground water flow beneath the site. The extent of the contaminated area may increase with time, but concentrations of potentially hazardous constituents should decrease because of dispersion. Based on existing characterization data and regional ground water quality (as previously discussed), any changes in ground water conditions beneath and downgradient from the Spook site are not expected to have any significant impact on human health and the environment. DOE/AL/62350-156 26 APRIL 1995 REV. 0. VER. 4 SPKO06D4.WP3 3-30 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING GROUND WATER COMPLIANCE STRATEGY SELECTION 4.0 GROUND WATER COMPLIANCE STRATEGY SELECTION This section describes how requirements for meeting standards at UMTRA Project sites presented in Section 2.0 are fulfilled through the ground water compliance strategy selection framework (Figure 4.1). The site-specific data presented in Section 3.0 are used to answer the questions posed in the framework. This framework is presented in the UMTRA Ground Water Project PEIS (DOE, 1994). The three compliance strategies that could result from the use of the framework are as follows: • No remediation: The strategy of no remediation means that compliance with the proposed standards would be met without altering the ground water or cleaning it up in any way. This could be applied at sites that have no contamination above MCLs or background levels or at sites that have contamination above MCLs or background levels but qualify for supplemental standards or ACLs. • Natural flushing: This strategy allows the natural ground water movement and geochemical processes to reduce the constituent concentrations to levels within regulatory limits in a given time period. This could be applied at sites where ground water compliance would be achieved with the application of natural flushing within 100 years, where effective monitoring and institutional controls could be maintained, and where the ground water is not currently, and is not projected to be, a drinking water source. • Active ground water remediation: This strategy would require the application of engineered ground water remediation methods such as gradient manipulation, ground water extraction and treatment, or in situ ground water treatment to achieve compliance with the proposed standards. 4.1 DECISION FRAMEWORK PROCESS Figure 4.1 shows the ground water compliance strategy selection framework used to determine the strategy for the Spook site. • Assessment of existing data: The first step in selecting an appropriate compliance strategy for the Spook site was to assess whether the existing data adequately characterized the hydrogeologic and ground water contamination conditions, or whether the collection of additional data was necessary. Section 3.0 provides a conceptual site model that includes the hydrogeologic setting, nature and extent of contamination, and contaminant fate and transport. Evaluation of the conceptual site model indicates that an adequate hydrogeological and ground water contamination characterization program has been completed. Ground water in the uppermost aquifer beneath and downgradient from the Spook site has been contaminated as a result of uranium processing activities that occurred from 1962 until 1966. Site-related contaminants in ground water have been detected approximately 2500 ft (760 m) downgradient, and include uranium, selenium, and nitrate. DOE/AL/62350-156 21 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP4 4-1 CHARACTERIZE PLUME AND HYDROLOGICAL CONDITIONS USING EXISTING DATA AND NEW DATA AS REQUIRED. JESSZKE32I IS GROUND WATER CONTAMINATION PRESENT IN EXCESS OF MAXIMUM HO SsTS-SPECFlC C. -OUND V-'ATEi- CONCENTRATION LIMITS OR REMEDIATION' BACKGROUND? YES ' DOES CONTAMINATED GROUND WATER ARE HUMAN HEALTH AND QUALIFY FOR SUPPLEMENTAL YES , ENVIRONMENTAL RISKS OF APPLYING YES STANDARDS DUE TO LIMITED USE SUPPLEMENTAL STANDARDS GROUND WATER? ACCEPTABLE? NO 1 1 NO REMEDIATION 3C.E -^ •: -O ^TAViN A: t :.• f.fiCU\.Cs ;>«! Kfi REQUIRED. APPLY OUAUF-r POf-' -N FSRNATEOONf E\"TS*.7!<» Y£S SUPPLEMENTAL '/••': l>A; '.C ;.\ A'X=rT*Bl.F (-'MAN STANDARDS OR i; A. "-. A*.., t.M- ^OV.-u N's At. -;ib--s ALTERNATE ; A'." .;••'!:'; J~';TO N;'~ CONCENTRATION LIMITS. ,.. 1 :>JES QCf:TX±Ufi~£0 c^-Qu'K' V. i *«£ KUM£\> > SSALTH AN;= ENVIRON • UoAu •• ' CAN iN5,TiT-.iTiOhi*l. CON'nHGiS bi iw;;i.£M£N" r, Art !AL [:j , V ': ";Aw''A ".,?'i*-"iAT «K ; y'-iNTA-NCr OUF-.ING TH£ RUSHING -*»-! Pl!-iODAN:;l~NA~U'iAl -LUSHING NATV:A; f'.L 1 r-:-:O""H0TIV: O--i'JVAN'ii'AUTH AND '.';"r'-. A""r-T ! -•HEF.NV:;iONM£.MT-> :i£r/=u ATiUr TT" " 1 ",•: \ SA~.."'A. >' .;& <«,-.. AND ACTIVE CAN ifAT.-VTiC-NAl CO xTfiOLfc B£ G^.-..- .•-•*-;-«<;,- ML:>;A; C-NA'IA:N VAIKTAiNFO 'AJSlNG THE FLUSHING >-V-x A\;V OK. t "I; i-fC, SON 1.1.vss 13. PtfMOO AMD IS N'ATUFiAI. FLUSHING »sC*':.MC:J'0 !.'- vf .£ 0!< Ai.T':>NAr£ AND ACTIVE GlC.Ni 'AATEI »ME N »r!or»;7Yi\C.TIVEOFHUKA! M HEALTH AfO /HE SNVI=-:ONySNT> w, I v. A A';'.=--C C-OUNO -A'ATST-H S:=W=DIATIOS MFTHODS ATTAIN YES BAC^SROOND. MAXsMUlV wROi ;ND V/ATSR R£V!fDiA- !C". C'OV: -i' ! t CON^NTRAIiGN 1 IM:~S CR ACT—NATE CONCfeNTViATiON L:MI7&'' !=rr-g: izzzzy APPL* SJ.;prL£rMFN'rA;. STAN^Ar-HS 3A-SE0 ON TECHNICAL ^PRACTiCABiLriYj: LEGEND A%D AP-'-_Y iN&T-T!. TC-SV-S. CONTROL; a COMPLIANCE STRATEGIES REF: DOE, 1994. FIGURE 4.1 GROUNDWATER COMPLIANCE STRATEGY SELECTION FRAMEWORK SPOOK, WYOMING, SITE MAC: SITE: SPK/SOWP/FLOODFLWCHT 4-2 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING GROUND WATER COMPLIANCE STRATEGY SELECTION • Comparison with MCLs or background concentrations: The second step was to determine whether ground water contamination exceeds MCLs or background ground water quality. Section 3.0 summarizes the results of analytical data that show that site-related ground water contamination is present in excess of the MCLs for chromium, molybdenum, nitrate, selenium, uranium, and combined radium-226 and -228. • Applicability of supplemental standards: The third step was to determine whether the contaminated ground water qualified for supplemental standards because of the classification of ground water as limited use. The conceptual site model describes the regional background ground water quality and the ground water quality of the uranium mineralization belt in the area of the Spook site. Section 3.2.2 shows that widespread, ambient contamination by uranium and selenium occurs in background ground water in the vicinity of the site. The widespread, ambient contamination and technical impracticability of treating the ground water meet the requirements for the ES&H supplemental standards under Subparts B and C, limited use designation, under the surface remedial action ground water protection strategy. Section 3.3.6 discusses the treatability issues. • Risk acceptability: The fourth step was to determine whether human health and environmental risks that result from applying supplemental standards were acceptable. The risk evaluation for the Spook site provided in Section 3.3.5 determines that ground water from the upper sandstone unit in the vicinity of the Spook site is not used as a source of drinking water or for any other beneficial purpose because of poor water quality resulting from naturally-occurring contamination and marginal sustained yield. The risk evaluation concludes that the ground water is not a present or future risk to human health or the environment because 1) the poor quality of the natural water from the upper aquifer is well-known; 2) good quality water is available from the lower confined aquifers, and 3) there are no current or foreseeable future exposure pathways to ground water in the uppermost aquifer. • Compliance strategy: The fifth and final step in the framework leads to an apprropriate compliance strategy, which is to perform no remediation. This is based on ground water in the uppermost aquifer (also the zone of contamination) being classified as limited use, which allows the application of supplemental standards. Limited use ground water is neither a current nor a potential source of drinking water because of widespread, ambient contamination that cannot be cleaned up using treatment methods reasonably employed in public water supply systems (60 FR 2854) (40 CFR §192.11(e)). DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK00604.WP4 4-3 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING GROUND WATER COMPLIANCE STRATEGY SELECTION 4.2 CONCLUSION Based on the decision framework process, it has been determined that ground water in the uppermost aquifer was contaminated by uranium processing activities at the Spook UMTRA Project site. Contaminants from site source areas were released into the environment by infiltration and migrated into the ground water system in the uppermost aquifer, forming a plume measuring approximately 2500 ft (762 m) downgradient from the site. It has also been determined that widespread ambient contamination exists in ground water in the uppermost aquifer because of naturally-occurring conditions (natural uranium mineralization associated with an alteration front) and from the effects of broadscale human activity not related to uranium milling operations (uranium exploration and mining activities). Ground water from the uppermost aquifer is not used as a source of drinking water and cannot be effectively cleaned up. Therefore, ground water contamination resulting from uranium processing activities at the Spook site is in an aquifer already contaminated and not usable as a drinking water source. There is no apparent risk to human health and the environment because there are no known exposure pathways for contaminated ground water from the uppermost aquifer to lower aquifers or the surface. No one is using the ground water from this aquifer for any purpose and there is no discharge of ground water from the uppermost aquifer to the surface or to surface water. The recommended compliance strategy for the Spook site is to perform no remediation based on the justification that ground water in the uppermost aquifer is limited use based on the application of and supplemental standards. The next step in documenting compliance with Subpart B at the Spook site will include preparation of an site-specific environmental assessment (EA). Then, Section E.4 of the RAP (DOE, 1990) will be modified to include the information in the SOWP and provide justification for the selection. The RAP will be modified and submitted to the NRC for concurrence of the proposed compliance strategy for Subpart B of 40 CFR Part 192 (1994). DOE/AL/62350-156 21 APRIL 1995 REV. 0. VER. 4 SPK006D4.WP4 4-4 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING LIST OF CONTRIBUTORS 5.0 LIST OF CONTRIBUTORS The following individuals contributed to the preparation of this report. Name Contribution R. Heydenburg, J. Carman Hydrogeology T. Jackson Geochemistry K. Smith Statistics P. Briggs, R. Bowen Senior Review A. Holm, J. Gibb, M. B. Leaf, Peer review K. Smith, R. Saar M. Gawthrop Cooper Document coordination L. Keith, L. Sanchez Text processing B. Harvey Graphic design V. Beck, J, Torline, R. Woodward Technical editing DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP5 5-1 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK, WYOMING REFERENCES 6.0 REFERENCES Ames et al. (L. L. Ames, J. E. McGarrah, B. A. Walker, and P. F. Salter), 1983. "Uranium and Radium Sorption on Amorphous Ferric Oxyhydroxide," in Chemical Geology, Vol. 40, pp. 135-148. DOE (U.S. Department of Energy), 1994. Programmatic Environmental Impact Statement for the Uranium Mill Tailings Remedial Action Ground Water Project, draft, DOE/EIS-0198, Rev. 3, April 1994, prepared by the U.S. Department of Energy, UMTRA Project Office, Albuquerque Operations Office, Albuquerque, New Mexico. DOE (U.S. Department of Energy), 1993a. Technical Approach to Groundwater Restoration, DOE/AL/62350-26F, Rev 1, July 1993, U.S. Department of Energy, UMTRA Project Office, Albuquerque Operations Office, Albuquerque, New Mexico. DOE (U.S. Department of Energy), 1993b. Recommendations for the Preparation of Environmental Assessments and Environmental Impact Statements, Office of NEPA Oversight, U.S. Department of Energy, Washington, D.C. DOE (U.S. Department of Energy), 1993c. Long-Term Surveillance Plan for the Spook, Wyoming, Disposal Site, final, UMTRA-DOE/AL-350215.0000, prepared by the U.S. Department of Energy, UMTRA Project Office, Albuquerque Operations Office, Albuquerque, New Mexico. DOE (U.S. Department of Energy), 1992a. UMTRA Groundwater Program Plan. May 1992, prepared by the U.S. Department of Energy, UMTRA Project Office, Albuquerque Operations Office, Albuquerque, New Mexico. DOE (U.S. Department of Energy), 1992b. Software Program for Environmental Analysis and Reporting (SPEAR) Program System, U.S. Department of Energy, UMTRA Project Office, Albuquerque Operations Office, Albuquerque, New Mexico. DOE (U.S. Department of Energy), 1990. Remedial Action Plan and Site Conceptual Design for Stabilization of the Inactive Uranium Mill Tailings Site at Spook, Wyoming, UMTRA-DOE/AL-050515.0000, April 1990, prepared by the U.S. Department of Energy, UMTRA Project Office, Albuquerque Operations Office, Albuquerque, New Mexico. DOE (U.S. Department of Energy), 1989. Environmental Assessment of Remedial Action at the Spook Uranium Mill Tailings Site, Spook, Wyoming, DOE/EA-0345, April 1989, prepared by the U.S. Department of Energy, UMTRA Project Office, Albuquerque Operations Office, Albuquerque, New Mexico. DOE/AL/62350-156 26 APRIL 1995 REV. 0, VER. 4 SPK006D4.WP5 6-1 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK. WYOMING REFERENCES FBDU (Ford, Bacon, & Davis Utah Inc.), 1981. Engineering Assessment of Inactive Uranium Mill Tailings, Spook Site, Converse County, Wyoming, DOE/UMT-0119, FBDU 360-15, UC-70, prepared by FBDU, Salt Lake City, Utah, for the U.S. Department of Energy, UMTRA Project Office, Albuquerque Operations Office, Albuquerque, New Mexico. Galloway, W. E., 1979. "Early Tertiary-Wyoming Intermontane Basins," in Depositional and Ground-Water Flow Systems in the Exploration for Uranium, Texas Bureau of Economic Geology Research Colloquium. Granger, H. C, and C. G. Warren, 1974. "Zoning in the Altered Tongue Associated with Roll-Type Uranium Deposits," in Formation of Uranium Ore Deposits, International Atomic Energy Agency, Vienna, Austria. Jones, B., 1994. USEPA Region 8, personal communication to George Hartman, Jacobs Engineering Group Inc., UPDCC File Location No. 15.1.11.1, Albuquerque, New Mexico. Mashbir, D. S., 1964. "Heap Leaching of Low Grade Uranium Ore, " in Mining Congress Journal, December 1964. Merritt, R. C, 1971. The Extractive Metallurgy of Uranium, Colorado School of Mines Research Institute, prepared under contract with U.S. Atomic Energy Commission, Johnson Publishing Company, Boulder, Colorado. Montgomery (James M. Montgomery, Consulting Engineers, Inc.), 1985. Water Treatment-Principles and Designs, John Wiley & Sons, New York, New York. Parkhurst et al. (D. L. Parkhurst, D. C. Thorstenson, and L. N. Plummer), 1980. PHREEQE- A Computer Program for Geochemical Calculations, U.S. Geological Survey, Water-Resources Investigations 80-96, 209 pages. RME (Rocky Mountain Energy), 1983. Environmental Report for Bear Creek Project, Permit No. 399. Rowell, D. L., 1981. "Oxidation and Reduction," in The Chemistry of Soil Processes, Greenland, D. J., and Hayes, H. B., eds., John Wiley & Sons, New York, pp. 401-462. Shepard, T. A., and S. Brown, 1983. "Interpretation of Contaminant Migration Conditions at 12 UMTRA Project Inactive Uranium Tailings Sites," prepared for the U.S. Department of Energy, UMTRA Project Office, Albuquerque Operations Office, Albuquerque, New Mexico. State of Wyoming, 1993. Water Quality Standards, Wyoming Department of Environmental Quality, Water Quality Division. DOE/AL/62350-156 26 APRIL 1995 REV. 0. VER. 4 SPK006D4.WP5 6-2 SITE OBSERVATIONAL WORK PLAN FOR THE UMTRA PROJECT SITE AT SPOOK. WYOMING REFERENCES CODE OF FEDERAL REGULATIONS 10 CFR Part 1021, "National Environmental Policy Act; Implementing Procedures," U.S. Department of Energy (1994). 40 CFR Part 192, "Health and Environmental Protection Standards for Uranium and Thorium Mill Tailings," U.S. Environmental Protection Agency (1994). 40 CFR Part 1500, "Regulation for Implementing the Procedural Provision of the National Environmental Policy Act," Council on Environmental Quality (1994). FEDERAL REGISTER 52 FR 36000, "Standards for Remedial Actions at Inactive Uranium Processing Sites, Proposed Rule," 24 September 1987. 60 FR 2854, "Groundwater Standards for Remedial Actions at Inactive Uranium Processing Sites, Final Rule," 11 January 1995. UNITED STATES CODE 42 USC §4321 et seq., National Environmental Policy Act, 1 January 1970. 42 USC §7901 et seq., Uranium Mill Tailings Radiation Control Act, 8 November 1978. DOE/AL/62350-156 26 APRIL 1995 REV. 0. VER. 4 SPK006D4.WP5 6-3 APPENDIX A MONITOR WELL LITHOLOGIC LOGS ir JACOBS ENGINEERING GROUP INC. ||C ADVANCED SYSTCMS DIVISION, ALIUQUEMUE Of ERATIONS BOREHOLE LOG (ROCK) Page/of it LOCATION MAP: f * SITE ID: SITE COORDINA1 ES (ft.): N GROUND ELEVAT ION (ft. MSp- 5L^ \Vv -4- JJ J GROUNDWATER LEVELS DATE TIME DEPTH (ft.) /A^/-?fc .<•;<«> XO.&' WW /7 y ru /{~JS- 3K? LOCATION DESCRIPTION iToST" in£.v/0 ROCK TYPE & REMARKS (ROD ) % COR E BORIN G SPACIN G INTERVA L RECOVER Y CONDITIO N LITHOLOG Y ' % DRILLIN G DEPT H (FT. ) OPERATIO N DESIGNATIO N WEATHERIN G ORIENTATIO N PACKE R TES T FLUI D RECOVER Y 0 % ROC K OUALIT Y Tajp -fa Ceo**-*- 4/»JeA -£%&. -fo tfvfie <****& Mr*t - « . ,.Jl ,. i <7> aw ft- / BORING OPERATION COMMENT M - 6 1/2 HOLLOW STEM AUGER -ZD /7S- C - 4 1/2 CONTINUOUS FLIGHT AUOER OB - OEAR BIT NX - NX ROCK CORING NO - NO WIRELINE ROCK CORING JEG-AL-ENG-2A (4/85) ' IP JACOBS ENGINEERING GROUP INC. 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LOCATION DESCRIPTION RITP (VUiniTION , ROCK TYPE & REMARKS % COR E (ROD ) BORIN G SPACIN G INTERVA L RECOVER Y CONDITIO N LITHOLOG Y % ORILLIN G DEPT H (FT. ) OPERATIO N DESIGNATIO N ORIENTATIO N WEATHERIN G PACKE R TES T / FLUI D RECOVER Y % ROC K QUALIT Y gCfO * Jm c5/£<^-£c-/ Sa^^j , &&**- &7M, th***, tie \ (7 7 ' / JtfA a4 COMMENTS: • ORING OPERATION * H - « t/S HOLLOW STEM AUQER, C - 4 1/2 CONTINUOUS FLIGHT AUOER OS - OEAR BIT NX - NX HOCK CORINO JEQ-AL-ENG-2A (4/«5) JACOBS ENGINEERING GROUP INC. tJi ADVANCED SYSTEMS DIVISION, ALIUQUERAUE OPERATIONS BOREHOLE LOG (ROCK) Page LOCATION MAP: £ SITE ID: G ( LOCATION ID; - LOCATION DESCRIPTION RHT r.owniTiON ROCK TYPE & REMARKS % COR E (ROD ) BORIN G SPACIN G INTERVA L RECOVER Y CONDITIO N LITHOLOQ Y % DRILLIN G DEPT H (FT. ) OPERATIO N DESIGNATIO N WEATHERIN G ORIENTATIO N PACKE R TES T FLUI D RECOVER Y t % ROC K QUALIT Y H® 4. 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LOCATION DESCRIPTION °° w-frMo'-i' ufcKiO. is' u->< ^-V t>-CT ^^w r^-c SITE ^QMniTlQM i^oo. ^L>w\ *>ft,^ Ml • LOWS DEPTH Si PER f In. utct VISUAL CLASSIFICATION i: 0 > Vx> f=^.«»i \ ol ^ tro-Jv^J ^'IUT-| cUa «s6K->fc- «r*nui t s lt»31»l I *&* |0 £>2- _m fc>-> t*L b-t A v'»A «wlt-Vy/ eU.^ ^, ^^ TO k* -f\r»A. »»' v ct«-i( ?S~ faS ^. g/o>e. 9t/.rr ct~y / eCaiitu SIJ-7 /.w1.../ J*•_» /-. t »*// . J p/*.s-ft'ct'/tf. • '•./ •bo feL COMMENTS:. SAMPLE TYPE A - Atiptr culling* S - »* 0.0 1.3B" 1.0. «fi»» »»mple U - 3* O.D 2.4?' LD. tub* Mfflpk T - 3* OS). ttnn-w»lttfl $t>t!6y lube Q-AL-ENG-2S (4/S5) JACOBS ENGINEERING GROUP INC. 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MSL): DRILLING METHOD: DRILLING CONTR.: DATE STARTED: DATE COMPLETED: FIELD REP.: GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION •LOWS m DEPTH n i PER • In. 9 uses VISUAL CLASSIFICATION 65" J2. 5*7 ««* »*« «- -r^ i<.t(»~>- ros*. , f; ^ ^J no ML to. A X if is i^'-7 on.tj L4. /*&*> Jttlj " noe HJTI( i,rfr({ t>~*lsfr>ic « tut ' ££. /7 /n 3o £ yi*J cf4*m inns »/ Hiw»r <*A.73r COMMENTS:. SAMPLE TYPE A - Ave*' eutii«B* s - »• o.o vse* i.o. •»!»» »»">pi« U - 3* 0.0. 2.42* 1.0. tube sample T - a* OX). ttun-»»Hte SMtey tubt IEG-AL-ENG-2S (4/SS) •:-.* JACOBS ENGINEERING GROUP INC. ADVANCED SYSTEMS DIVISION, AlSUQUStttU! OPEtATIOMS BOREHOLE LOG (SOIL) Psoe^ofjl s LOCATION MAP: A SITE in- <,?\^i* ior.ATir>M in- 433 ft SITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL): DRILLING METHOD: DRILLING CONTR.: DATE STARTED: - DATE COMPLETED: FIELD REP.:_ GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION ?! BLOWS m DEPTH IS 9 VISUAL CLASSIFICATION !! PER • In. uses ' ml > y0^j~i +11- ~zr n SH r T~-1 -fr yvfc t~& Heel- ifci/t fa<\ LifX'-c cl"if~Z l«o_ *J> iro~>~> jit-n-f T>rU. So-nfa* J /v>?C V\ t L M < l *)Yto.l*\ (^ ML i\ t 11 1 ^o^/^ci^ & V ^ C V^kj-X Jlr.it- **\ (C? J&L LlSL -»•> ic t.ti.V^ KAC & a>Wy>fc, I lo r«drUik. Ur , tiL-K ^u^g. ^wuj^f»v<^ COMMENTS:. SAMPLE TYPE A - Augtr culling* S - »* O.D. 1.SB' I.D. #ri»» samplt U - 3* O.D 3.42* LO tubt ttmplr T - 3* 0£>. th»r»»tl»fl St>«lt>y 1ub« EG-AL-ENG-2S (4/S5) "If JACOBS ENGINEERING GROUPINC . lit, ADVANdD tYSTIMS DIVISION,AltUQUttfil) t OWIATIONS BOREHOLE LOG (SOIL Psoe—of ±£ .OCATION MAP: L SITE ID: VPW-I LTION ID- 13? Pi SITE CC>ORDINATE S (ft.): w „-. F - - GROUNE) ELEVATION (ft. M5L! V DRILLIN ft MPTHOfV DRILLING CONTIR-! DATE STARTED: DATE COMPLETE D: 7-?r-«-c FIELD REP.: 17. *t(*4Utr' GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION nF^OfiiPTiON SITE CONDITION • Mi BLOWS 9 DEPTH It K> PER f In. X J uses VISUAL CLASSIFICATION i t TYP E < > vi *r • \?>o -*,< s*** v,r. rit-<_ ^«^., A v. Cfcvi-« 11? 2fe evtrct*%U^ frcL o'triuSC. £/tfC - 6tt(A _—— * COMMENTS SAMPLE TYPE A - Avgtr culling* /. 3 / A»//> : Jn/Zr/ta Tiitc $ - >* O.D 1.»B* 1-D. *ti»* »»mplt U - 3* CD S*}' ID. tubr umoK ' y T - S* O.B. thirrwaHrfl thalBy tub* •G-AL-ENG-2S (4/65) "•» \ JACOBS ENGINEERING GROUP INC. ADVANCED SYSTEMS DIVISION, AllUQUEtftUI OMftATlONS Page-Lot .£ N BOREHOLE LOG (SOIL) LOCATION MAP: A SITE ID: _2££i£L_ LOCATION ID:__£L± SITE COORDINATES (ft.): 3., 'A* .*tik N ££ E_££ GROUND.EkfcVATION (ft. MSL):. A//C 9 DRILLING HFTHnrv- tz»m-n < A-J* DRILLING CONTlT: ^£±&ftlLG±fiL— PATrfeTARTPb:? ^P-sT^yr :/*»AAI XJUC.*££- PATE COMPLETED." --- , ... FIJ5LD PPP?. '-''-7>.+f*fUer ~s GROUNDWATER LEVELS • LOCATION! nPftr.PiPTirm ••&>** : "froa-. R-** /*/?io«e/ ^^^rfa. ,r /•«!•. SITE ftftMniTlhM S/I'TA^ • -i/.»p,?it, , spy^c s~<«; jx-^a^ ^ „ Mi •LOWS 9 DEPTH i !! MR • in. ! ml uses VISUAL CLASSIFICATION r^ > >J>'8 7"O:PSO/A 5C Brf -DP-T sn-rT- ci-"-[ s*,-.«/ ^/ /2eoT/.r-fj V ;; ... to oZ- Se. r-^H- \v?W< I 5 ^'^C . JJL. *3 P? 1£ lo C IT ci/crt er 'e*t-i +t> &"+ si*-7~Y 06 vice* -t / g l*i sfrJYl*. . COMMENTS:. SAMPLE TYPE A - Aug*' •irtime* 8 - »* O.D !.»•' 1.0. «T>»t »»mpl* U - 3* O.D >-*?* 1-D. tut>r umpit T - 9* OXI thin-»i»lK! StidBy »ut>* JG-AL-ENG-2S (4/S5) JACOBS ENGINEERING GROUP INC. JE ADVANCED SYSTEMS DIVISION, ALIUAUEMUE ©MtATtows BOREHOLE LOG (SOIL) Paoe^of 3£ LOCATION MAP: fo .- A SITE ID:_iirilL-. LOCATION ID- •teV 8ITE COORDINATES (ft.): WA& M A/*- g un. GROUND ELEVATION (ft. MSL): A/fc. DRILLING METHOD: _&£l±i3—±l£i ORILLING CONTR.: DATE STARTPn: DATE COMPLETED: FIELD REP.: GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION Hi •LOWS 9 ©EPfHv : J ti PER • In. < USCS VISUAL CLASSIFICATION if !! > •rfB* ihl*- oro^o^ 2L 67 &-/cH /"g +r *r-« ef CJ£%1*M sfon* ILL 6? T>*£ Br. f*-+ e-l<-v leftHis'C net. /W<-~«T A gTj io u/t>cf., 6rt.tiorctj-- '^/^bMCc c^jc/ "s^ Jl c\k &A*A bw1^^ I —- • • . — --• •. — •>• M^ —— bO It C»-•/aJ * gK«4k'^ rtd ^O^* KotUp ^lJ>^ .rr>w>r'r-.*'lLtL COMMENTS:. SAMPLE TYPE S"&' ^Ao' )fo«/ r/'c£. •sof't cUu : ^A/> t>ertJe*S A - Aug*' cuttinpt 6 - f * O.D. 1.M* 1.0. «ti»» •smplt U - 9* O.D 2.42* LO. tub* simple T - 9' OD. thn-*«R*0 Sh*16y tub* EG-AL-ENG-2S (4/S5) fir JACOBS ENGINEERING GROUP INC. (Vfc, ADVANCED SYSTEMS DIVISION. AltUQUEMI; i OPEIATIOMS BOREHOLE LOG (SOIL Psoe^of ^2^ f > LOCATION MAP: A SITE ID: *p|/.* ^ IOC*ITIO N ID- ^3Y a SITE CC>ORDINATE S (ft.): GROUND PIPVATION /ft. MSL* DRILLING METHC»n - DRILLING CONTIB r DATE STARTED:. DATE COMPLETE n: FIELD R PP -, GROUNDWATER LEVELS DATE TIME DEPTH (ft.) tOC-ATiow nPsr.RiPTiftw SITE CONDITION Ml •LOWS 9 DEPTH VISUAL CLASSIFICATION K> PER • In. < uses fj i TYP E > is- K. 13 *i • • IfO Jf —Ii— **< routs irtl.tA .b*rJ Irtl/tau ir /C ir *n S«.(^C_ 44- brow h>+~*j /./*M»c. rftrtc stands go ^ i<* *»-» « .. / --z 10 e>S rrt'- brotJ-S 'run nck.t -po-orl^ SoTtt^f £. S. S. .r f* COMMENTS */<•* £+** fifcj , U,tfrl~ lllee.'trj SAMPLE TYPE ' A - Auett cutting* $ - *' O.D. 1.36' LB. flri»t •»mpl* U - 3* O.D. 8.4?* LB. tube umpX T - 3* OS. lhin-*«Kt0 ShtlBy lube G-AL-EMG-2S (4/S5) JACOBS ENGINEERING GROUP INC. JE "AOVANMD SWIMS DIVISION, AlftUftUIMUE Of IIATIONS BOREHOLE LOG (SOIL) PaQeJfof.3. LOCATION MAP: A SITE in- cai*\A< LOCATION IP? TW SITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL): DRILLING METHOD: DRILLING CONTR.: DATE STARTED: DATE COMPLETED: FIELD REP.: GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION Kl BLOWS S DEPTH : a VISUAL CLASSIFICATION n I! i! PER f In. « uses > *r t e**.-4 T4c/JiiC br fined. c,r*>tH o."f\ $.£. /f3 Stf O^cl 101 t-o S-f fa", fft'j hraujKJ ^oc''f-n-ii s*flcc/ Liikic S«.*«/i -LI I/O S»~f £*+••*+ jc'rr- (~ '«-1 *»SJCl/l ffTS *)V.tt\S i /r «. i«*< ^V*«-C_ f /'7 " '« ?>£. fho'o (.*•+* * _*»•• (yj S B/"t- 6c* '?-g ' » z G-AL-ENG-2S (4/S5) «5f JACOBS ENGINEERING GROUP INC. ADVANCED SYSTEMS DIVISION, AltUftUIMUE OfllATtONS BOREHOLE LOG (SOIL) Paoe.2of.5r / LOCATION MAP: A SITE in- . LOCATION DESCRIPTION SITE CONDITION Ml ?! •LOWS 9 DEPTH ;§ PER • In. : -i uses VISUAL CLASSIFICATION if > J2JT. TT cc G-f<^g ftir^ c I cwj i rryi c : s**t^pt*. (o-~+*-<»s ^ &.<-,„, _i&. •V^ JRL -iji W^l [ ^e\±4z JL22. ^ nm •»/ e_ fringe «U*Ac- "^ v.-o. l^O COMMENTS:. SAMPLE TYPE A • AuD*r cuttings $ - *' O.D n.96' 1.0. tfrivc »tmpir U - S* O.D 2.4?* I.D. tubr stmp* T - »* OXi. thm-vali»0 Sh»i6y tut>i EG-AL-ENG-2S (4/66) ~|r JACOBS ENGINEERING GROUP INC. ||fc, ADVANCED SYSTEMS DIVISION, AltUSUEMt J! OPERATIONS BOREHOLE LOG (SOIL P«oe-/of «L > 1 OCATION MAP: £ SITE ID: ion LTION IDr ?35~ A SITE CC>ORDINATE S (ft.): w • GROUNC) ELEVATION (ft. M! DRILLIN ft UPTMOn- DRILLING CONT1a ? • DATE STARTED: • DATE COMPLETE D: . FIELD R pp -. GROUNDWATER LEVELS . DATE TIME DEPTH (ft.) LOCATION DESCRIPTION 8ITE CONDITION ZP/HBJ6: 6>fi.ASS A-rtt> SS*r&£-J3*2.dJr-{ e Ml •LOWS 9 DEPTH ss Z-J VISUAL CLASSIFICATION f> PER • In. < uses TYP E > f ii is r TOP s»}l- . r «> X, *7 •1 S£ cl+ieu sH-ftf x**.A. • o )*y y 02. S PLiteftc *Uoi.f-/-f exists, mulct*-. £**f c* 5* 1illou>isL --f-c-.* 4in* *.r«7A nor/, pm-4* J oft? e»* S*4 T*" 3"mt- ^r«n\ *5.s. AHiA^r •pA.cpfc- \< fl& 5»-< ?o ob SH •ta«"» , to»d-drt^ £//ij£ ^n«ifl 6/YA.c. s. s. COMMENTS . SAMPLE TYPE A - AuMr cuttmgt » - *' O.D- I.St* LD. #»ivt ••mpK U - 3* O.D. J.42* LC. lubt Mfi** ^>.- T - 9* OJD. tf»r»«»«8 Shtlby lubt G-AL-ENQ-18 (4/S6) JACOBS ENGINEERING GROUP INC. AOVANCID SYSTIMS OIVtSION, AlftUfiUiMU! ePIIATtONS BOREHOLE LOG (SOIL) Psge.2rof JL LOCATION MAP: A SITE m- LOCATION ID- 93£T SITE COORDINATES (ft.): N. E GROUND ELEVATION (ft. MSL):. DRILLING METHOD:. DRILLING CONTR.: DATE STARTED: DATE COMPLETED:„ FIELD REP.:__ GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION •LOWS m DEPTH n & 3 VISUAL CLASSIFICATION i PER f In. uses ?r 07. »M £>Ae L«"V^-»<_ &••<•• *trv*Lt T^c^i/ » * / */P OS SH SorhJ nfr »C 3.J. W? iH •hvrrtib- HtllouJ- poorly ft>r-f-ee/ jift* TO sH*ie S2. J2. CU/ ReJclLit-ijcl/aJ noj sor+ed rounJeJ V*'t>H (fryFt. Op te^ rtJ sTs.f/ sh*L ekipj STV/Vj^fT SS~ IT ciL U/ftf. ht'fAjy ?C~.i.+l*- io < XL. ££L l)fklC >.*>. irfl c, r*»w Urit* COMMENTS: SAMPLE TYPE A - AuDtr cutting* S - *• O.D. 1»»" LD. #»i»e aampto U - 3* 0.0 t.*7' LD. tirt>» tampir T • S* O.D. tNn>««*«d *MIBy tubt EG-AL-ENG-2S (4/SS) JACOBS ENGINEERING GROUP INC. ADVANCED SYSTEMS DIVISION, AISUSUEMUE OPEtATIONS BOREHOLE LOG (SOIL) Page ^ of Ji .OCATION MAP: A SITE ID: LOCATION IP- • ^iT & SITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL):. DRILLING METHOD: DRILLING CONTR.: DATE STARTED: DATE COMPLETED: FIELD REP.; GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION •LOWS m DEPTH PEft • In. a uses VISUAL CLASSIFICATION I % I < > 6r 13 *£L Wt oCfirc *it-r*f S. no IT SV4 «,. S. <*•>/ Spirit FkOf, CO A Cr**tTAS ~?sr IS ++*iit.- tif-^i poorly ~h> f>»oJ sorf*-cf filed ^r-t"r\*d *•+£ s.s %*'fHi. ete±s',oKr~J /v9 *»/A fOisrycJ • go /fe H n. . tf*r-»m8 »h»IBy 1ubt LG-AL-EMO-2S (4/»5) 1 ir JACOBS ENGINEERING GROUP we. Kit, ADVANCED SYSTIMI DtVISION,ALtUttUEtfil Jf OKI ATrONS P«oe.2of .£. BOREHOLE LOG (SOIL1 LOCATION MAP: £ SITE ID: iTION ID- 9 ^ LOC# A SITE CC>ORDINATE S (ft.): A GROUND ELEVAT ION fft USLV DRILLING METHCin - DRILLING CONTIB ? DATE STARTED: * % DATE COMPLETE D: FIELD R pp *,, GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION o m •LOWS 9 DEPTH O PER f In. U*C1 VISUAL CLASSIFICATION t TYP E > • • • • too 2-0 1 '' ' / t (1° & $M t>*m(s -X1 - tff 4- V? xrf &$>>(& i \ » QU DRILLING MPTurtn- g.er*-g.^ DRILLING CONTR.: EA-g A// LOCATION DESCRIPTION *r<=>' M&&T of A/ferre-/?*/ s/oe op SfbW sivcKP'tLe SITE CONDITION -zsr/ si •LOWS m DEPTH i PER f In. ',m* uses VISUAL CLASSIFICATION /•cx-f-At-'f" ,^_ «•&. /2-g^ ££. ei. cri- /30 -££. cff 6/uc/j L - ^rc* dense, ^hfi^ misuse. c.l*>$*iV7}e 77 D. COMMENTS:. SAMPLE TYPE A - Auf cuinngt S - J' O.D. LSI* LP. «tiv* tamplt U - 3* 0.0. J.4S* LO. lubt umple T - 9' OS. ttkin-*a«*0 Stotoy tub* :G-AL-EMQ-SS (4/S6) JACOBS ENGINEERING GROUP INC. ADVANCED SYSTEMS DIVISION, AllUGUEKAUE OHIATIONS JE : BOREHOLE LOG (SOIL) PageXof J£. LOCATION MAP: SITE in- SPK-i^> IOP.ATION ID:. ^B^o SITE COORDINATES (ft.): N A/j£ E MIC GROUND ELEVATION (ft. MSL):. /v/< DRILLING MPTHOn- sr n" ArlK. PorAe.y DRILLING CONTR.: xA-aA/H*e.r DATE STARTPP: 7-/5^- B2 DATE r.riMPiPTFrv *)-/&-*? FIELD PPP » -*>. *<*-z-i-<^ GROUNDWATER LEVELS DATE TIME DEPTH (ft.) 1-/(,- Tt "7 3» ~*i A/0 A/AT£-i£ i=&i£ i LOCATION DESCRIPTION A7><>rzo IK •LOWS 9 DEPTH si VISUAL CLASSIFICATION IS Sltl PER • In. < uses > ]~o? Soil- tirtA + K . o 4 ol 5C 1SfOW)«> i ^*-- V J c ^r •=>iir ^,- -^»- c »A\ w»r •r«4«~«~» » ^ . Mot*. t>U •f' ALLiH/iOrf lO fcl_ •E, o_^i -pfr«Ji JL ScJcL_ 20 ± S-w/ S^o^/ii < +«cJ,vv~i ?"6 oSL rooA^t^ . *i#Vnc ftOt **t».i»J ££. *nm ,. i+<*l I.3J2. E O(o EtO» *x+»mv i _ J ,,4- CQMMFMTS- fe « 6f»k s^~pfc. SAMPLE TYPE A - Atigtr cutting* ' S - 7' O.D. 1.36' I.D. tffivr sanplt U - 3* O.D. 8.42* I.D. 1ut>» ttmple T - 9* OX). thirr-wiHta fsntl&y tube JEG-AL-ENG-2S (4/65) lit JACOBS ENGINEERING GROUP INC. tVfc, ADVANCED WTIMS DIVISION, AllUQUEMtl IIOPIIATIONS BOREHOLE LOG (SOIL] Paoeirof.£ ) 1 LOCATION MAP: L SITE ID: toru iTION in- <**£> A SITE CC>ORDINATE S (ft.): GROUND ELEVAT ION (It MSLl* DRILLING METHC DRILLING CONTIa - DATE STARTED: • DATE COMPLETE n: t FIELD R PP ., GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION 8ITE CONDITION e Ml •LOWS 9 so DEPTH ID PER * In. « uses VISUAL CLASSIFICATION I! TYP E > 67 rteii-f- /*./l poert* 3.s~ ..,- tf t _j£s.il^£*_ J^i«-' *» T^W* • not- TS/2-f j..f £r pre,D**\i#<,hff r$+-> r %o L« £><* A £o(jTAcT £iC. ,„ < •«l Hd. t>OJi«. tccVcV v'sL. + fr,r ££ %, 10 K„ * 1-4. k,*-t IV f?" ^t^ «- ~ "* eA" f T '^ • • • *fi „. K \i COMMENTS . t^ieA^ W, O c-V ***.' .Ur WiU SAMPLE TYPE A - AtiDtr cuttings t\.«s V7 «.CJ*.VA.C. <-A«ot_V<- • » - f' O.D. LSI' L0. «rhft ••mpK U - 9* 0.0. X4?* LP. lutt umplt T - S* OX). tfMn»ar«*t6 Sntlby lutt 0-AL-ENQ-2S (4/S5) JACOBS ENGINEERING GROUP INC. ADVANCED SVSTIMS DIVISION, AUUClUIMUI OHIATIONS BOREHOLE LOG (SOIL) Page 2. of £. LOCATION MAP: A SITE ID:. LOCATION ID:. =15^ SITE COORDINATES (ft.): M E GROUND ELEVATION (ft. MSL):. DRILLING METHOD: DRILLING CONTR.: DATE STARTED: DATE COMPLETED:. FIELD REP.:„ GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION •LOWS DEPTH U IJ VIOUAL CLASSIFICATION I! a PE« • lM. uses ££. £u -kt-.J^jLA t&ll... foy*J.-?c/ prte./'r*-ii'!"J-/y ?o ^ 2 U. T t*-t'j; . y» ^ijTfou/«,<. <=p <>. 30 K: _Lk_ MfrV •a.q-e *vr<>^^ Co-xOtL r~,t.}^ . e^. M3*»j\\fc- i.<>, K £L ^.OlV^l *^ &zl / / "7 f\Cr>. 4©,t4et^' . re>wAd*i, nnov^U a^, ^f'oi'.i & !£. \ 0-AL-EW0-28 (4/S5) JACOBS ENGINEERING GROUP INC. ADVANCED SYSTEMS DIVISION, AlBUSUEMUE OH1ATIONS BOREHOLE LOG (SOIL) Pageirof^. LOCATION MAP: A SITE ID: LOCATION IP? 3 1 L SITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL):. DRILLING METHOD: DRILLING CONTR.: DATESTARTED:_ DATE COMPLETED: >-/.r-8& «-f -3° phf FIELD PPP • **r-n eex GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION Ml •LOWS 9 DEPTH *-l VISUAL CLASSIFICATION PER S In. < uses *2 i I > ££ "k *h XL .ctL iWU,A\^ /bS" V\ oV\ C t*A c*T" «H S\' O //O llS —J • 1 »U /Ti-O J=,KTAL. T.Z>. /Z/i>.2> COMMENTS:. < EQ-AL-EN0-2S (4/SS) JACOBS ENGINEERING GROUP INC. JE AOVAMCID WTIMS IMVtSION, AltUfiUIMUI OPHATIOMS BOREHOLE LOG (SOIL) Pagelof il P; c>ueru.2u7i.x>^*J J \ SITE ID: __SJL£zi£-LOCATION ID- ^V7 SITE COORDINATES (ft.): Si~DCI<-piL.<> N fci£ E_MJL ©ROUND ELEVATION (ft. MSLV MK DRILLING uPTnr>n« MR - \»ogr UOTMS-T DRILLING CONTR.: ~R»«^-»^tV^ca--r DATE STARTED :__J2LQ2_!I_ DATE COMPLETED: FIELD BPP.T -P. VASirxusiR. J GROUNDWATER LEVELS DATE TIME DEPTH (ft.) -po <*»•«' n u"» ., kroTti Ml BLOWS a DEPTH U :-i utet VISUAL CLASSIFICATION II PE* • m. « n > To'p'-Soi C_ ALLUi/luH, .21 ^MCP .. t>p-^ Qn~.j Si t,r"7 ^A /O *o. •£»*! JT»*VJ'L_J>C "oL^^ ^sKVS ' i£- &•> S«H 10 Of J^. 5#~r-t«» _2A "T -S(rf 5VovV>^ SotA»<^ •fey. -V«oO • jjrv*- oj *»\ tT"*C Jt«^t*.A, 1BL -TV So>v4o~ COMMENTS: SAMPLE TYPE A - Augtr cutting* t - ** O.D. t.»»* I.P. «ti,« ttmplt U - 3* O.D. 2.4?* LD. tub* timplr T - 9* 0.8. ftan-mtUte SftttBy 4ut>t EC-AL-ENQ-2S C4/S6) I ir JACOBS ENGINEERING GROUPINC . jilt, ADVANCED SYSTEMS DIVISION, AUUOUEMl J! OPERATIONS BOREHOLE LOG (SOIL] Page Z. of ^ > LOCATION MAP: £ SITE ID: iftfii LTION in- *&! A SITE CC>ORDINATE S (ft.): M GROUND ELEVAT ION fft MSLV DRILLING METHC(O r DRILLING CONTIa ? DATE STARTED: . DATE COMPLETE O: FIELD R PP., GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION PF^CBiPTirtw SITE CONDITION Ml tLOWS 9 DEPTH E> X-J VISUAL CLARIFICATION PER t In. « uses if I I TYP E > ^ •1 i «?ws t- «v.ki K* T~"I J*."1 M /wJecTtO CL^AR. U)fiiT6-R_ • HO t* f iM -f-*.ki-TS t-, £,n.r< **N/«> \o--z.t=>°/o 1 wcr-%. roow B* iW %s(.T*r -fa+j 6"\ b. S.5, HZ ,. ^ ro /© -/**r~»J £- ^tcT*? KeJ, cjr^l* ("tow /T c*< •" i .J , —SS" J/ t JpO _ IV L COMMENTS . vcH -s tmo^-i to ' J- •AMPLE TYPE 1 A - AuBf CUttingt » - ** 0.0- '•»»' l-D. •*»»• •ample U - 3* 0.0- X.'?* LC. tufc» sampir T - J* 0.0- ttkin>«*>«0 Shelby -tubt EO-AL-ENQ-28 (4/S6) 'JACOBS ENGtNliERtNG GROUP INC. JE ADVANCED SYSTEMS DIVISION, AltUfiUEMUE OPEKATtONS BOREHOLE LOG (SOIL) P«Qe2of.f£ LOCATION MAP; A SITE ID: LOCATION ID: 6ITE COORDINATES (ft.): N _E GROUND ELEVATION (ft. MSL):. DRILLING METHOD: DRILLING CONTR.: DATE STARTED: DATE COMPLETED:. FIELD REP.:„ GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION HI •LOWS 9 'ml DEPTH i! si PEft • In. « uses VISUAL CLASSIFICATION if > <*$ JSti ^L, SrJMWj__^LkCL_iA 1 10 l± JaL VJ t-*V , stir -; s.S. Ji SE fc/e*. B-r. /* J/ »*• i.(t-T~y Sc+nd *ip i« COMMENTS:. SAMPLE TYPE A • Atigtr cutting* S - f' 0.0. 1.W 1.0. Otht »«"iptt U - 9* 0.0. J4J* LD. tub* »»"»* T - »' OD. tlMn-«i»S«0 SMIDy tubt EO-AL-ENQ-JS C4/SS) JACOBS ENGINEERING GROUP INC. ADVANCED SYSTEMS DIVISION, AltUftUEMUE ©MIATIONS BOREHOLE LOG (SOIL) P«9eifof4£ LOCATION MAP: A SITE ID:. LOCATION ID: 137 SITE COORDINATES (ft.): N_ E GROUND ELEVATION (ft. MSL):, DRILLING METHOD: DRILLING CONTR.: DATE STARTED: DATE COMPLETED:. FIELD REP.: GROUNDWATER LEVELS DATE TIME DEPTH (ft.) • LOCATION DESCRIPTION SITE CONDITION •LOWS m DEPTH n PER S In. 9 utct VISUAL CLASSIFICATION n I > _ai _i£ Ca±fTte4- j«V-fc 3 5" Jl Ah SH-'f S.S. cc*j7«.r-uMsc<. 4*d Kf/ r^. •Blue s^)-^ pc*s/'&te. tL0^( -a-frj'Hqrr Il*-tp T.T>. loo' kin.. ino'- . COMMENTS:. SAMPLE TYPE A - Auptr cutting* $ - f' O.D. i.W LD. «th>f tampK U - 3* O.O. 2.42* tO. lufce samp* T - 9* OX). tfcrt-«ra»«fl Shelby :0-AL-ENQ-2 8 (4/S5) JACOBS ENGINEERING GROUP INC. AOVAWCID SVSTIMS DIVISION, ALIUfiUiMUt OMkATlONS Page J. of£. BOREHOLE LOG (SOIL) SITE in. s-PK- I s~ LOCATION IP- ^3*8 SITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL>: DRILLING METHOD: OisrAe. iS «*SA£L DRILLING CONTR.: KATGLKJl*A&7 DATE STAPTPn: 1-/9-7% DATE COMPLETED: FIELD PPP » T>.~t6>Ti.t^R- « QROUNDWATER LEVELS DATE TIME DEPTH (ft.) •)-z»-g£ /C°+r( ? /yp.o LOCATION DESCRIPTION £*s-S of SP<*-*i Tt ^ ^ 4fro SITE CONDITION 6**-^ S/Vp«. . sPtoit- bfURS, 4 SsrhesuzU •LOWS DEPTH l! #E* t In. uses VISUAL CLASSIFICATION if H > TfT* &tf/A z>/j-< j/i-r? s?f*so CfH-lfi: f 7Wrfcy6 5.5. /*> C2. TbT'SoiL : ci*-jtj g«.rtJ e**J poorly /r £3 3C/yA/y MOIJ & I.+. -fm.fi p>.r/j +& course., eef-j. t^r*.i/\ s.i. fatsh'-'t "»n Cowrie. 5.S, "2.0 £. rec/ f-i'ne,. S.S. f-*>e>. *©r+ce( ^Cuft »+*.ii»e«( , ree(«*i«» U»_ flM , UcVWic *>«-*Jt vtt>v%t. T.r Cw poorf^ Sorted S.f. £ •i *»*V 4-» K.t">OlJ JL2- 7T COMMENTS- SAMPLE TYPE A - Auger cuttings » - *' 0-D 1.3i' LD. *ttY» ••mpk U - 3* D.D 2.4?* LO. tub» Mnplr T - 3* 0.0. th«r-«r«*«d Snalby tubt EG-AL-EMG-2S (4/S5) JACOBS ENGINEERING GROUP INC. ADVANCED SYSTEMS DIVISION, AUUSUEMUE OPEfcATIONS BOREHOLE LOG (SOIL) Paoeirof.1 LOCATION MAP: A SITE IP- ^?* DIS• LOCATION ID:. n% JN. SITE COORDINATES (ft.): N WLL E tSK GROUND ELEVATION (ft. MSL): /U/C DRILLING MPTHnn- i2.orxu. LOCATION DESCRIPTION < •LOWS m DEPTH PER • In. 9 uses VISUAL CLASSIFICATION I! II % 2£ e>i.. S^/c, L7 iVotsC- &*cJ^//}t~- U<*S£.j»orAf S**.*\ i £0_ $- IE "M. 1 £± zz ^ .12. «5>«~vs.C-> fe>W-fl,e.-f s.s. 12Vu«. «U 6«**r i>/*nc *1*- J^ JJs. t COMMENTS:. SAMPLE TYPE A • AuDtr culling* * - *' CD. I.Ji' LD. #»t»t s»mpl* 0-3' 0.0. *.42* LO. tut* NWpk T - J* OX). tMrr«a«id tMlfiy tubt EG-AL-ENG-2S (4/SS) "If JACOBS ENGINEERING GROUP INC. lIC, A&VANCID SYSTEMS 01 VISION, AllUftUEKtl JE OPStATIONS BOREHOLE LOG (SOIL Pagelof.3 t ) I LOCATION MAP: t SITE ID: LOC;kTIO N ID? <7>? A SITE CC>ORDINATE S (ft.): GROUND ELEVAT ION fft. MSLl! DRILLING METHCin - DRILLING CONTIR. r DATE STARTED: - DATE COMPLETE D: FIELD R pp - „ GROUNDWATER LEVELS DATE TIME DEPTH (ft.) lOr-ATiow r»FRC-R«PTir>M SITE CONDITION Ml BLOWS 9 ©EPTH at-J VISUAL CLASSIFICATION K> PER • In. < uses •1§ i I > ». 6 • • • • . 1° / /V • • • • JS JL. /C 'so y; Ik s* -„ fc - y n /-,(V»Ue *»**vk&/crt Af'Cu' <(tt OJ-Z^^C • • • - IV * /* COMMENTS • SAMPLE TYPE A - AilOtr cuttmpi S - f' CD 1.91* LB. 0th* umpit u - a* oxi. a.4?* LO. tut* MmpK T - J* OS. «un-»»»»d ttflDt tubt G-AL-ENQ-2S (4/S6) JACOBS ENGINEERING GROUP INC. BE A0VANCID SYSTIMS DIVISION, AltUOUttGUI OMKATIONS BOREHOLE LOG (SOIL) PaoeJ^ofJj LOCATION MAP: A SITE ID:. LOCATION ID: N SITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL): DRILLING METHOD: DRILLING CONTR.: DATE STARTED: DATE COMPLETED: FIELD REP.: GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION •LOWS DEPTH w VISUAL CLASSIFICATION fi I PER • In. USCS re~ JSL2- ?g Co*J s.hr'tr)c.i?*£ Tur Ca^h** cry] fi/^t ('we. ;/rvc/u/"«. »u/".£««•«. < ~\ JJ2£- JtL IIP t-z~ UA. Shelf. t*-/ loured bUt/t- k>i'hjr*i*ov>i d«»Jy e»>* cuJ^c^J tTut-tvirn il* e»wf <1^> -JL COMMENTS:. SAMPLE TYPE A - AuBtt cuttings « - *' O.D. l.»»* ID. •»*»• »»mpk U - 3* 0.0. 2*2' LD. tube umpte T - »* 0J>. thn-aaXO Srtalby tubi d-AL-ENQ-28 (4/»6) JACOBS ENGINEERING GROUP INC. ADVANCED SYSTEMS DIVISION. AllUOUEMU! ©WlATtONS BOREHOLE LOG (SOIL) LOCATION MAP: A SITE ID:. LOCATION ID: f3^ JM. SITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL): DRILLING METHOD: DRILLING CONTR.: DATE STARTED:_ DATE COMPLETED: FIELD PEP•!, GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION o w •LOWS a BEPTH if II PER f In. uses VISUAL CLASSIFICATION •S > /zs~ 2L 6L 7.S- cL h/ou / o>r*<4 &k^U I a/< ^6"kc J2o_ JL *£. £. .'*, »V-C-- J&L fi'ii^l b/>**- e./«••//^77 tr v/ -DK. au.rtk /Vo> x> 7/* /VJ~ X. £Z. /tg^fo f?/^ / tnSUJ tU^TM*' J£ $0 COMMENTS:. SAMPLE TYPE A - Aug*r cutting* t - >' 0.0. 1.3*' LD. «rh»t »»mpt» U - 3* O.D. S.4?* LD. tut>t »»mple T - »' OH. ttMn-««»*d SlMl»y tub* EG-AL-ENG-28 (4/S5) [If JACOBS ENGINEERING GROUP INC. jVfc, ADVANCED SYSTEMS DIVtSION, AltUQUEMU! OHftATIONS BOREHOLE LOG (SOIL) PmgeAol^L LOCATION MAP: 8ITE ID: LOCATION ID: __jJL 8ITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL):. DRILLING METHOD: DRILLING CONTR.: DATE STARTED: DATE COMPLETED: FIELD REP.: GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION Mi •LOWS 9 DEPTH •• i! PER • In. < uses VISUAL CLASSIFICATION ff > JSl. 1£JL 1L £/oc c (-<• y j fir?}* / sb^le /(,£> ±J£ ML 3$- Au.sU eli 6/uy^wj^/t no J^. *^i*s»«" C-* +\ iffc^«t-i fr"V>. 4/i/e. -^.J «>r»w tL/e^ *l«iusr>n TTT 3SL 13—I iL! 6>e>^- dxiihnc^ 4/i^C c/«.^ J feTJi t gt> « £&. COMMENTS:. SAMPLE TYPE A - Auptr cvtungi f - ** O.D. 1.91' LO. •»»»* »»mp»* U - »' O.P. J.«* LD. tub* Mmple T - »' OD. thjn-»»»*S Srwlbir tub* G-AL-ENG-28 (4/S6) JACOBS ENGINEERING GROUP INC. ADVANCED SYSTf MS DIVISION, AlBUSUEMUt OPERATIONS BOREHOLE LOG (SOIL) LOCATION MAP: A SITE ID: ______LOCATION ID: __!]____. SITE COORDINATES (ft.): N g GROUND ELEVATION (ft. MSL):. DRILLING METHOD:. DRILLING CONTR.: DATE STARTED: DATE COMPLETED: FIELD REP.:„ GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION BLOWS DEPTH n i? i! PEft t In. uses VISUAL CLASSIFICATION > /?>S^ _-_ JJ.L /,/yc- J A^A 1^0 _L U*- * L U< ~WL -4 t>/- loo 40 Color "T£T __ ^«>>cW WW sV*-Ve- "L\C> %kuU. VJ! -f/.lckl kd. 4>/*t£ LitutH. ta^j] _____«______-_M______1 COMMENTS:. SAMPLE TYPE A - Atiptr cuttings t - t' CD. I.St* LD. «Ki»» tampt* U - 3* O.D. » «?' I.D tubt umplr T - »' O.D. th«>-«a««e ttxICy tube EG-AL-ENQ-2S (4/fS) JACOBS ENGINEERING GROUP NC. ADVANCED SYSTEMS DIVISION, ALIUttUSMUE ©PHATIONS BOREHOLE LOG (SOIL) Page.£of.J LOCATION MAP: SITE ID:. LOCATION ID:. 438 SITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL):. DRILLING METHOD: DRILLING CONTR.: DATE STARTED: DATE COMPLETED: FIELD REP.: GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION •LOWS m DEPTH if i £ PE* • in. 9 uses VISUAL CLASSIFICATION 2./.S* V3 Mostly Lj- 'SU^iC rocj, c-,r*"i f>ksM. &**./•-£«/ «» 7,1^o £L -±L JOl JLL /.«& vf ft-nt B/" £21 ±ky.lc. 1^_ i«o4-r n*« t».nJ ? Mo JtL 5"*/H<^ CP«1+AC + ho&> *£ iriMr ~p*Jr**,~>.^&-4. 1*S 2 t fi'rtc S<~-* J*¥**<- "h rt?L t 1 m. i* SQliMPUTft. m.gg.\.H«v W-^ ^ -2.1.0 ' SAMPLE TYPE / A - Aug* cutting* U^W Oolo,^ W.^o -* >^& % - V CD. 1.3a* 1.0. •»>,* aampt* U - 9* 0.0. 2.4?* ID. tut* »»mpie T - a* en. tNn-«»a»s Sh#toy tub* •Q-AL-ENO-2S (4/S5) "If JACOBS ENGINEERING GROUP INC. ||C, AOVANdD SrtTCMS OtVttlON, AltUOUItttt ft OPHATIONS BOREHOLE LOG (SOIL] Page Jl of JUr f ) LOCATION MAP; t SITE ID: I OCAiTIO N ID- ^3S SITE CC>ORDINATE S (ft.): A M GROUND ELEVAT ION fft MSLlr DRILLING METHC DRILLING CONT1a • DATE STARTED: - DATE COMPLETE n: FIELD R PP • , • GROUNDWATER LEVELS DATE TIME DEPTH (ft.) - LOCATION DF$C*iPTiftN SITE CONDITION HI BLOWS D DEPTH IS D PER f In. uses VIOUAL CLASSIFICATION if •s? 1 TYP E > •• ha*. • MS* ft V? kJ Hack. Cc<\e.oJ*rl frtu-tv^J L[-f». Co*./. mut, * *T £•*/•/•* eT" h/*+er ItcontcS fre\,rt-hi -As 1 S-D 1$X) t/tck_ 6c/-i/**inj*s± C»m.l Minor Sasicf T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. T.X>. COMMENTS • e lo* t, h> S~& «v «- / / i****** •AMPLE TYPE A - Auger cutting* • - ** O.D. 1.S»* tO. tfrivt tanpK U - 3* O.D. S.42* LC. tub* Mfflplt T - J* OX). thnraaMS SMley tubt Q-AL-EH0-2S (4/tS) JACOBS ENGINEERING GROUP INC. ADVANCED SYSTEMS DIVISION, AllUftUEMU! OPSIATIONS BOREHOLE LOG (SOIL) A 8ITE m. s?K*-lS- i ORATION |D:„ JM. SITE COORDINATES (ft.): M "* E [OK GROUND ELEVATION (ft. MSLV KHC DRILLING uPTunn- _ LOCATION DESCRIPTION -&>~irrt( r/&e. SITE CONDITION SPAUSG= ^nfai *f a^ftt- &nojU •LOWS DEPTH i PER t In. ml uses VISUAL CLASSIFICATION 8 I! > Tto'p *bo\L ,_ M. 6( 12. si IE. 63 >r k J , 3Q Mi clr'//'"* easier, gj 6^ frio*uf •L^'J - bt poof/u Sel-'A«tl ejr«.i»\ si^t . r- a_o «H ?0 COMMENTS:. SAMPLE TYPE A - Augir cutting* t - »' 0.0. 1.W to. «rt»» samptt U • 3* 0.0. X-4?* 1.0. tub* umpk T - S* OD. tMn-«*Ktd th»!6y tut>t •Q-AL-ENQ-2S (4/S6) JACOBS ENGINEERING GROUP INC. 31APVANCI D SVSTIMS OIVIIION, ALIUAUIMUI OHIATlONS BOREHOLE LOG (SOIL) Page_i£of _£. LOCATION MAP: A SITE «• LOCATION iDr f5f SITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL):. DRILLING METHOD: DRILLING CONTR.: DATE STARTED:_ DATE COMPLETED: FIELD PEP- GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION au BLOWS 9 DEPTH Is t PER • In. : «J uses VISUAL CLASSIFICATION > 2T t>7 dlK? S"£> found* J, f*ir>or J^rfC vo .fci, «f.r OH s.V 3PP JL •frcoc\\^ s«.<4t.A s. s 7T i\ cw 'V*V %?r \rA \*J *>C->^t_- »>V^t_ 6 6£? \x COMMENTS:. SAMPLE TYPE A - Aug*' eirttinji $ - ** 0.0. l.»B' LD. «rhr* ••mpK U - 3* 0.0 *.«' tO. tub* umpir T - S* OX>. tttin-«aK*0 SMlby 4ubi IEQ-AL-ENQ-2S C4/S5) JACOBS ENGINEERING GROUP INC. 01 ADVANCED SYSTEMS DIVISION, AltUfiUIMUl OPIIATIONS BOREHOLE LOG (SOIL) Psoe^of^ f LOCATION MAP: t SITE ID: IftCI LTION ID- fJf t A SITE CC>ORDINATE S (ft.): GROUND ELEVAT ION fit MSLV DRILLING METHC DRILLING CONTIa ? • DATE STARTED: - DATE COMPLETE D: FIELD R PP ... GROUNDWATER LEVELS DATE TIME DEPTH (ft.) • LOCATION pF$eo»i»TinM SITE CONDITION m •LOWS 9 DEPTH Z-l VISUAL CLASSIFICATION £> PE* t In. < uses I < t I > 6.Z x \-b V\ot>. iot\«\ -tXt «~v<» - f O o v"i A < tA ak-± e^ir«M*fJ* wv^W »tfWLfc. eX*.1"-^ • ~)G> _ < W • • • "•>^ ± \ CO,OV^ fo x IL *Ao'\t& . V«^»o . vOe\\ *orV«A 5-\*\e- ST j£ 1-7 t*/ / 1 _/ — — - „7*.. COMMENTS m SAMPLE TYPE A - AuD*r Cuttings S - *' O.D. 1.»»* LP. •»!»• »»mp(t U - V O.D. J.4J* LD. tub* umpie T - 3* O.D. thin-waMe SMlBy tubt EG-AL-ENQ-2S C4/S6) JACOBS ENGINEERING GROUP INC. 31 ADVANCED SYSTEMS DIVISION, AlllHBUttftUI ©fitATOMS BOREHOLE LOG (SOIL) Page J. of Jr LOCATION^AAP: A SITE m» 5/^-/6 iftr.ATiON ID: _£!£. SITE COORDINATES (ft.): A//K N £*___E GROUND ELEVATION (ft. MSLli A/* DRILLING METHOD- Am. Z0T*B.I DRILLING CONTR.: KAX*/I+*Z-7 DATE STARTED: 7-2-7- fg DATE COMPLETED: 7~n-& X y - GROUNDWATER LEVELS ~~\.^—- DATE TIME DEPTH (ft.) -?- Z-7- «eS \-vCT v-> i s - i *i 7?. -f^ P f0«l -' ' LOCATION DESCRIPTION' 6-fn.T #r*-< ei? t>py=~ P,'ti. , •hxSxr.U iU. " iSW - h*Tt! SITE CONDITION Z>»»a«- ^-^/i ; -^KJ wt^f*. | f/rj su<-f/»r«., o WW Mi JI •LOWS a ©EPTH : -J VISUAL CLAtSIFICATION if I! PER • In. < uses H > /oofcc *Vo ,'j.ey u. h* *7 poe>r/»r/>** turfxe' S^nJ J. ^<./. .s/'y^TVy iwuM ^ 4-f: ~fa/j pot>r/y $orj~rC' tr\ s<+* *•*• /S~ o3 frl ^ yvwtm TN^W-fe- • oat^-gvlV-O 3ATi/r«*T£»& 2c? zz iM Afea^ — fc'fevf IZ£r*37Hji. •/-*•/ -pup/1\ S*>r~t*J *k. S,, 7.5" aT j* S*.-fisr~ko -h^rt hr, s~-iJ} &»& . *-'*^" ^fa^^*vt-f' 30 ^ Pf -S*-*J^fayt / Coo. I . r <*ec COMMENTS- /nr>t <«.^fK ^^H. rtf«/> ^ SAMPLE TYPE A - AuDir eultmei S - ?' O.D 1.38* 1.0. •»!»• »»mpl» U - 3* 0.0 2.4?* 1.0 lube sitrpK T - 3* 0.0. thm-»«*tfl Shiley IEG-AL-ENG-2S (4/66) JACOBS ENGINEERING GROUP INC. JE ADVANCED SYSTEMS DIVISION, AUUftUSMUI OPItATIONS BOREHOLE LOG (SOIL) PiQe«2-of_2f ~s 0 LOCATION 14AP A SITE ID:_6g£dl_ LOCATION ID; W SITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL): DRILLING METHOD: DRILLING CONTR.: DATE STARTED: DATE COMPLETED: STCPf- FIELD REP.: GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION BLOWS DEPTH i= II PER • In. uses VISUAL CLASSIFICATION > ^~<*- c.J ^•tA.jl^C ti s*/cl~ *<•<>, e/^j yU,t «^/ /,M _ S«*Jj JL. IC WC? <5S -ji.hiuL ftr^ soH~ JAY" g^^s^Tt^ IS" cLnjsfrve : ht'«A 'A Z~~J cmj-h<+,,M.t*r>*\>S TO to e(*~fa./3nt)\ A T. O. •*» -3 & ll /•*! COMMENTS:. SAMPLE TYPE A - Augtr cutting* S - ** O.D 1.36' 1.0. #ti»» tamplt U - S* 0.0 3.42* 1.0. lube simple T - a* 0S>. th*i-«»Rc0 ttittty tube G-AL-ENG-2S (4/S6) JACOBS ENGINEERING GROUP INC. QE ADVANCED SYSTIMt DIVISION, AltUOUttfiUf OPUATIONS BOREHOLE LOG (SOIL) Page— of 3 LOCATION MAP: A SITE ID- S^-/-s"" lor.ATiQM lD:_lli if SITE COORDINATES (ft.): A ^-/K "\ N *"<• P GROUND ELEVATION (ft. MSL): /^e rJit '' ^"- -^ .. , DRILLING "PTHon- /ecr*^ *;*. / 08 n DRILLING CONTR.: s»^^^ / 136 ml DATE STARTPn: 7-a<>rF / — • DATE COMPLETED:. 7- a. ^ - rr ~~ - LOCATION DESCRIPTIOION &*«+/% rait.** pk^v fin ^ /A^> / K/.r^,,?? surface. S. g^7 irnrfrUif SITE CONDITION _LE& •LOW8 9 1 ©EPTH II *i PER f In. -I uses VISUAL CLASSIFICATION n > ToP^o't- cl t~r-*t e e~ TSro*"i c L* ri j-*pSoi l~ * ^L tU s s. i /L +«•« , ^ e>*_ s* wl-f* ' /«,/i*r £©«.p*t r*>W«-/ «/»*f iffy o3 *jrKin *,. %n,*,( r..,J.e/ »*'" -*'•*« ->">'"/ cAu<*V ?,'" * 13. JL o3.r l-\*.rd well f ?a«.r.t«r 3>o»r/^ sofftj //M-C rose,- f-S O.T ern*eisA. -f-**\ -fioe. nCnj s-"*e/ fe. 64 «H-^. £*».rj« COMMENTS:. SAMPLE TYPE A - Avp»r cuttings t - *' O.D 1.38* I.D. tint ••mpl* U - 9* O.D 2*1' I.D. tub* »*mpk T - 3* Of. Mun-»»«tfl Sfiiley 1ut>t C-AL-ENG-2S (4/65) JACOBS ENGINEERING GROUP INC. SI AOVANCID SWIMS DIVISION, AUVGUf Ml; i OPIIATIONI BOREHOLE LOG (SOIL P«8e_3jf_ f LOCATION MAP: A fiiTP in- 45^'/ h, LOCJLTIO N IDr H & SITE COORDINA1 ES (ft.): w F .. GROUND ELEVA7 ION (ft. M SLV DRILLING METHC \ V DRILLING CONTI«. . - *. - - "*"-•. \ DATE STARTED: DATE COMPLETE rv FIELD R pp.? . % GROUNDWATER LEVELS DATE TIME DEPTH (ft.) «£. • LOCATION DESCRIPTION HoO(ram-4^fiA A V t f si u I • jvfc'j-* • er<»»yji- *^ *'".* - '/ IT *; t>7 3 •*! • * H° X o€ 6.M !Jurn+ or***tiL t-».*\ nearly Sorf*tf s.S • T>. a / ./„ - */J" ^ e1 Stf/ S.S. A.«C/ °fc 6«l / «/f«#> 4r»ui £<•** Httisiuc f CL c 5T» » CLUH fin-e ^riii\ M«Jfii/C el*~fsprite. Loft. z>£ Y IO \ !• r**4-f 4- ». 5-S- x « . ,. \. * ci Lo * \*V *i„j »< A<*2/ flirt/t **>*!«* . 0 50MMPNTS 36' %+*rl,,t -, ^(r-i'f'.J ^ * • w / - to+Jtr SAMPLE TYPE A - Augtr eultmgt % - 9' O.D 1.»e* 1.0. arivt •ample U - 3* O.D. 2.43* LD lube iimple T - J' 0*. th»>-»»»td »fttl»y tub* G-AL-ENG-2S C4/S5) H JACOBS ENGINEERING GROUP INC. ADVANCID SYSTiMS DIVISION, AlftUfiUIMUf OFIRATtONS BOREHOLE LOG (SOIL) Page.!of J: f A SITE ID- &-PV--J^ IQGATION ID; ™ l LOCATION MAP: N. SITE COORDINATES (ft.): N • E « GROUND ELEVATION (ft. MSL): DRILLING METHOD: DRILLING CONTR.: 1_ DA£E STARTED:. DATE ftrtMPIPTPJ: 7-2 4-i* FIELD REP.:« **. H<+*/"~ • / GROUNDWATER LEVELS DATE TIME DEPTH (ft.) 9 . * • % LOCATION BESpRIPTION "F SITE CONDITION si • LOWS m ©EPTH n PER • In. 9 uses VISUAL CLASSIFICATION n > /WJTfr.' OIL LIK& X6S/'bU* pL^ATIriS CM/ euTTI^&S ur J2. SH/ft 1r>d 4&r*iJ*t*f rcj otcljc c/*JT*a, "It? H 6£/W Bl^c- -toUt* ihnUij cl+1 ftfflt. w/ LtfjC fr*^.* JLL -LL <*t./r*f s«i»»»«. fci^ <^ 4»"' 4.. £2. \u soF-h^'-h hrrt Tg/»«./6retj gUft/nw* «{™i*s x. T>. e s"o COMMENTS: SAMPLE TYPF ^ * - Augtr cutting* ^ % - t' CD 1.96" 1.0. «ti»t ••mplt U - 3* 0.0 3.4?* LD. lubr »»mpk T - 9' OS- tturrwuM tfiHo, tubt •G-AL-ENG-2S (4/85) JACOBS ENGINEERING GROUP INC, ADVAM6ID SYSTiMS DIVISION, AllUOUiMUi ©PHATIONS BOREHOLE LOG (SOIL) P«9ei.of.Z 8ITE ID: _^I£-_L^_ LOCATION «* - ^ ^ Z- SITE COORDINATES (ft.): GROUND ELEVATION (ft. MSLV V*K DRILLING MPTHftn- A> v v- g.cT ^g. T DRILLING CONTR.: ^N^*MA^P.T DATE STARTED: 1 -!<&-&?•> DATE COMPLETED: FIELD REP.:.^-£4S£2^£: GROUNDWATER LEVELS DATE TIME DEPTH (ft.) 8ITE CONDITION Were, -t>g-*< | tr?oMoiokL <,LC?\^fe Ai.U/t'tl//f •LOWS DEPTH VISUAL CLASSIFICATION n PER • In. « uses I4 > fcVSoi L S XL e?W fe-Touaid t>XJ.T"-, ^u^ QgSr/WfC j?cc>7t(fr£ B/Vr ^J , / C//} ye •preu4i>J S^/C/f^y Me/±r T*Joeii 1& TT w ¥- '-¥- s //.rv «£/?£ s~iJ / £ £L 5ti "2>f£ujtO si cTr rft/>< &C4 *t c n>?*\ «/*.A// C- T? "^7" _£*L >r. SILTH .frne. .Socitf' IE ZT _2cL g'. ~w 1L oVI COMMENTS:. SAMPLE TYPE A - AuQtr cutting! * - ** CD- 1.»»" LD. •»*** umpl* 0-8* 0.0- J.4S* tD. 1U6» »»mpt T - 9* OD. tf*r-*a««0 »Ml»» lubt EG-AL-ENQ-2S C4/S6) JACOBS ENGINEERING GROUP INC. BE ADVANCED SYSTEMS DIVISION, AltUtUEMUE OPERATIONS BOREHOLE LOG (SOIL) PageNet .£. LOCATION MAP: A SITE ID:____ LOCATION ID:_i!LL_ ft SITE COORDINATES (ft.): N __E GROUND ELEVATION (ft. MSL): DRILLING METHOD:. DRILLING CONTR.: DATE STARTED: DATE COMPLETED:. FIELD REP.:__ GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION Ml •LOWS S DEPTH VISUAL CLASSIFICATION PER 0 In. « uses II > frt/uv/isH 5T £L *Z. ^>L / 4>rt7*~/ *ycu( t * ' 6. rx. c Mg_ *f"i &L ?>rel.r^i 22. c^ ^ccf'S f- rp y.fjkuL- red «,, ~wr S^fhC «v.T c _&o 12. COMMENTS:. SAMPLE TYPE A - Auocr cwttmgt S - f* O.D. 1.»»" ID. #«l»e »»mpt« U - 3* O.D. »«?' tD. tub* Mmplf T - S* OD. thtn-ma—e tMltiy tubt Q-AL-EWQ-2S C4/S6) JACOBS ENGINEERING GROUP INC. ADVANCED SUTIMS DtVUION, AltUtUIMUi ©MIATIONS BOREHOLE LOG (SOIL) Paoelof.^ .OCATION MAP: SITE ID: LOCATION ID:_22±_ & 6ITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL):. DRILLING METHOD: DRILLING CONTR.: DATE STARTED: DATE COMPLETED: FIELD REP.: GROUNDWATER LEVELS DATE TIME DEPTH (ft.) , LOCATION DESCRIPTION SITE CONDITION Ml •LOWS 9 DEPTH U I! PE* t In. < uses VISUAL CLASSIFICATION i > evvTnrT J. TT TT *L Heist . ticirJ .. aut^&r cb^s-farts J/C76-' /fcATrrfr/ Ac5_.. _ . A7 ^ £ HL >L vt/tst- •A. •2£ 5T CL JL &t>K IS £- - CfS* * of *.l<*.yst?>l< / iliVI 1<- *c IE CL vn't 4« "1 ?(<~ I 6 g t-Y TZ- T J2. xL $*ynt 4K/A/C COMMENTS:. SAMPLE TYPE A ' AuDir cutting* S - >' O.D. !.»•" LB. #»•»• sample U - 9* 0.0. 1.42" LO. tub* »tmple T - 9* OS>. tMn-««M0 th«lt>y tubt G-AL-EN0-2S (4/S5) "If JACOBS ENGINEERING GROUP INC. lIC, AOVANCID SYSTIMS DIVISION, ALtUSUEMI JI ©Pit ATIONS BOREHOLE LOG (SOIL PageNet .£ > LOCATION MAP: £ SITE ID: nriON ID. T/^ A SITE CGtORDINATE S (ft.)LOC: 4 GROUND ELEVAT ION fft MftLlr DRILLING METHCin - DRILLING CONTIa - DATE STARTED: • DATE COMPLETE Q: FIELD R pp ?., GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DFSCR'PTirtN SITE CONDITION m w BLOWS 6. ©EPTH o PE* 0 In. uses VISUAL CLASSIFICATION 1i ! 1 > • • OMMENTS • SAMPLE TYPE A • Auoir cuttings » - »' O.D. 1.31* LD. *n* tampM U - 3* 0.0 2.4?* LD. tub* Mrnpir T - 3" OS. thm-m***6 Shalby tub* G-AL-EN0-2S (4/S5) JACOBS ENGINEERING GROUP INC. ADVANCED SYSTEMS DtVISION, ALSUfiUIMUE OFitATtONS BOREHOLE LOG (SOIL) Page J. of 3 LOCATION MAP: A SITE irv SPi*-/a> lonATiQM ID: ^^3 SITE COORDINATES (ft.): N E nun>- GROUND ELEVATION (ft. MSL):. K— DRILLING METHOD: DRILLING CONTR.: DATE STARTED: DATE COMPLETED: VXXJJr If// FIELD REP.: If "»wrr . GROUNDWATER LEVELS DATE TIME DEPTH (ft.) ! / / h. LL LOCATION DESCRIPTION >° J»Q>^^ g5 4-V. »o. -^o^^rj^.^ ^ VWoWf Kc^rJu "fiap SITE ftOMHtTlftN FUf 4^ae- gPu«r*.eI ^f>\ l*^»l . e •LOWS MPTH H VISUAL CLARIFICATION i§ PEK S In. utct > re-pyojU. Sc/gu ir, K> ro*«- •sr^r^ cl^^ru s«.-i c f r» •>* %K»r^ j.4- rcclc/lUk "f-it^ Pr>4 r*«0. "ftJ /•s _»2a- r«><-r« SL, ska £JLZ.-. .hi-.xn.d fre* "?C3 •*± -sn. Sao^i -zs- ti> •>/,«Lt~f A/o/1/ r»*t.-rre.' •fi/>4._ir«tn_ ir.o*f 9fni'n.*d li't'A.ic. *>.2> , poor I* hs ctM**.4*J /*./.. s.i. \^*ic "3«^ _• fit. {(. EG-AL-ENQ-2S C4/S6) T| 'JACOBS ENGINEERING GROUP INC. lIC, ADVANCED SYSTEMS DIVISION, AllUSUEMI BOREHOLE LOG (SOIL1 f JE OKtATIQNS LOCATION MAP: £ SITE ID: *VV/» iTION ID- •/, i-4 SITE CC>ORDINATE S (ft.): > LOCA GROUND ELEVAT ION fit MSLV v DRILLING METHC A. a? 1 . ' DRILLING CONTI DATE STARTED: X 1 . • / DATE COMPLETE D: WWP»/ FIELD R pp •„ -fy)L*U? GROUNDWATER LEVELS DATE TIME DEPTH (ft.) /T 1 '/ LOCATION pFSCRiPTiriN SITE CONDITION e HI Ui BLOWS 9 DEPTH a! > D PEK f In. uses VIOUAL CLASSIFICATION !| P. *- « > ^C -7 <.H -JiuT B £/«•«• '5-5. A/tK't. eUih >t*-,c- *xt-T • 7 0 •/p < ©T •>f ley utfl c cr\ • wr x. oi •&»-1 -pocrU sorb J\ *ro * II? ** '•if ' sS~ X " «** OfA««/)^ *V • L* 1^- s-s. A/ s^ t'iT"u9er\ COMMENTS • SAMPLE TYPE A - AtiDtr eutlinpt S - f 0.0. !.»•' LO. Dfh»t WHIP* U - 3* O.D. tA2' LC tub* Mmpk T - 3* 0.0. th*>-«tM0 SMlby 4ubt E0-AL-EN0-2S (4/S6) JACOBS ENGINEERING GROUP INC. JE ADVANCED SYSTEMS DIVISION, ALIU6UEMUE OPERATIONS BOREHOLE LOG (ROCK) Page jf of 3. / LOCATION MAP: A SITE in? ^flH-> LOCATION ID: ?V3 APPROX. SITE COORDINATES (ft.): N E GROUND ELEVATION (ft. MSL):. DRILLING MPTHQn- r«\(^ owf «^ £0// korts? DRILLER: 1 DATE STARTED: DATE COMPLETED:, FIELD REP.: GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION JEG-AL-ENG-2A (3/84) FWWMMWV JACOBS ENGINEERING GROUP INC. QE AOVANCID SYSTtMS DIVISION, AllUOUIMUt ePIIATtONS BOREHOLE LOG (SOIL) P«0e_Zof^T LOCATION MAP: A SITE ID: _^ZJ£^LEL_ LOCATION ID:__™H± CpfiZteU A SITE COORDINATES (ft.): , N HJL E "* f Jt.: GROUND ELEVATION (ft. MSL):. N i<- WinfinaL "-> ~t»- DRILLING uPTMnrv P-PrAra.< rt-i'fc \ DRILLING CONTR.: BAawvi^fl.'r DATE RTAPTPn; -?>2V tf DATE COMPLETED: FIELD PPP • tv Hfe-T^cx-P, ttMiol / % GROUNDWATER LEVELS TIME DEPTH (ft.) r.i. DATE 1 LOCATION DESCRIPTION Hoo S^-rtU- n^ ttM.TSK'4 UJIO^»KIU_ SITE CONDITION nooc-nNrwr Elivt ^tit- s^^fr •*( M-H-czT 6llfrS.S Mi •LOWS 9 ©EPTH PER f In. UtCt VISUAL CLASSIFICATION n I! > -rt>'>='s>o('(_ J? Y l <*t CL, BfevQKl X>g.-I Uel • 5>*-»\i "\ ^U^ »->i v»o C~ xrHct-S, 10 t>2- di- £.4. T^r, t>P-f ^^g'fck'j 4T> CN»KU SKI I \ f S" /-•+. Br. MOD. QeZf SI/.TV IT"**- S-t*-*d , Mfit^ & T-O ay JC S^»*.*\di 4-rn e,"H'" *>/" 25" .*£. 22- re /••/. £r. e.L*«ity £14 < EG-AL-ENG-2S (4/65) JACOBS ENGINEERING GROUP INC. ADVANCID SVSTiMS DIVISION, AllUftUlteut OMtATtONS BOREHOLE LOG (SOIL) PtQeZolJL LOCATION MAP: SITE in- 33Pi*-- p(g. - ( ^£~ iftr.ATiQM ID:. • LOCATION DESCRIPTION SITE CONDITION e HI ?? WW •LOWS DEPTH VISUAL CLASSIFICATION :; §§ PER • In. uses w > -L£. X_ £3. 3C- Mo^ff fer. g'«"-|gf dint. _s*^-iC( _*L lfi-t-*c U J^4*> Ho CL Br. S^~ ^ r e> i Br, /tf n <% e. /c / ya r e(- j&r ,-^4.cr e *t *t cA * hrMiV'n'ouM. C\fc#oo(£>fc: SS~ tf •SC* Bfc-^J -4- 'fi&V »u £j- Ts*-o~~.+ +.*s 3ti.r< < L«t *• COMMENTS: -U 8AMPLE TYPE A - Augtr cuttings A S - ** CD. l.SB* 1.0 #fi»t Ample U - 3* 0.0 2*1' 1.0 tube simple T - 9* OS), thn-aaliifl Shelpy tube EG-AL-ENG-2S (4/85) "TF JACOBS ENGINEERING GROUP INC. lIK ADVANCED SYSTEMS DIVISION, ALIUAUEMlI E OPSKATIONS PaQe^of-£T / BOREHOLE LOG (SOIL] LOCATION MAP: £ 8ITE ID: e-l'V,' ''* IOC*TIO N ID- W SITE CC>ORDINATE S (ft.): GROUND ELEVAT ION fft MSLl! DRILLING METHO DRILLING CONTIR. r DATE STARTED : DATE COMPLETE D: FIELD R pp -.. GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION m • LOWS DEPTH 9 D PE* • In. < uses VIOUAL CLAttlFICATION t i TYP E > 6.T O l*/l6- ^f/ •*"*. ?ti-r? -prt j^„y c*v«* e/m-i / rt. < • J no x 'f " • • • • jr^U /r —— ^•f c ISO JO >«= / &V1 l- , -g^- r ^ /•>L.&r. s///y j^/»t ^fc-^c/ •/«.„ ? °to fr /y /5A ^/TV f«-i. EG-AL-ENG-2S (4/05) "If JACOBS ENGINEERING GROUPINC . lib, AOVAMCID SWIMS DIVISION, AllUftUItftl; E OPIIATIONS 1 BOREHOLE LOG (SOIL > Ptoejiof^r LOCATION MAP: l> SITE ID: *>?*' iTION ID. fvy A SITE CC>ORDINATE S (ft.): GROUND ELEVAT ION fft. MSL): DRILLING METHC DRILLING CONTIft? DATE STARTED: DATE COMPLETE D: FIELD R PP .., GROUNDWATER LEVELS fr DATE TIME DEPTH (ft.) | OPTION nPSrOIPTIOM SITE CONDITION HI PLOWS DEPTH D VISUAL CLASSIFICATION O PER • In. < uses if % 1 TYP E > •^ is- ** /1 AM tv r iot> •z-o ire* Op s-h*./ii"J, we(( • • • • tb^ •*/ \{Q T/Z- US' 73 •/•An- OrOuJ*~ . l*»t / / roji'''^, ^i»(/ )\.G> vw {•uric i.S. / Ct>^l OMMENTS • SAMPLE TYPE A - Augtr ctrttingt S - *' O.D 1.3B* 1.0. *ri,t «>mplt U - 3* O.D 3.4?* LC. lube -.ample T - 3* OS. \h$er-m***t StitlBy tub* G-AL-ENG-2S (4/S5) "If JACOBS ENGINEERING GROUP INC. IlK, ADVANCED SYSTEMS DIVISION, AllUfUJEMI JE OPStATtONS BOREHOLE LOG (SOIL PsceZof.T f > LOCATION MAP: £ SITE ID: *v&- /^ LOCJITIO N IDr *«1 A SITE CC>ORDINATE S (ft.): GROUND ELEVAT ION fit. MSLl: DRILLING MiETHC DRILLING CONTIB ? DATE STARTED: DATE COMPLETE R: FIELD RP P ... GROUNDWATER LEVELS DATE TIME DEPTH (ft.) LOCATION DESCRIPTION SITE CONDITION -— m •LOWS DEPTH B PER • In. 9 uses VISUAL CLASSIFICATION f! 1 TYP E l! 2 IZ S' K 2 S" • COMMENTS SAMPLE TYPE A - Awe*' culling* 6-2* O.D 1.3B* 1.0. tint »»mple i U - 3* O.D 3*1' LD tube >«mpk T - 3* OX>. thm-«r»M»S Sh*lt>y tubt JG-AL-ENG-2S (4/S5) APPENDIX B MONITOR WELL COMPLETION RECORDS JACOBS B*3NEB*NG GROUP NC 4DVAMdD STSTIMS DTVIUOKAlMMUtMUl OPIMIIOIU WELL COMPLETION RECORD SITE ID:. £BL LOCATION ID? 4tC ^l° DATE IN STALLED: _^b-^: APPROX. SITE C0ORDINATES:(FT.) N -E ! OPEN AREAjPER LINEAL FT;;, (IN2/FT.) • FORMATION OF COMPLCTiriMr > Uk&i.'kA /SW/A^^c^) FIELD PCP - L,THLLJK. '•''"-•' nniupp. &/>uk<> 7?ro<>, WELL CASING <£cJL*<£«&- VOPOCWEL L CASING DIAMETER (In) TYPE HOLE DIAMETER (In) HT. ABOVE .GROUND (ft) GROUND SURFACE 7^^r •;^W BACKFILL TYPE t£/vt>^' SEAL TYPE SLOT 8EAL OPENING LENGTH (In) (ft) ••:••: •iv TOTAL CASING DEPTH n^5 /7£.iT LENGTH (ft) '"•:•:-. (ft) OPEN OR FILTER SLOTTED PACK LENGTH TYPE a± (ft) FILTER PACK s&>S LENGTH (ft) m BLANK cZ.d LENGTH (ft) •Sv 81 COMMENT8: JEG-Al-ENQ-3 (S/t4) • ,;JL" &•,&£• ...t 'j-a?-:1 ,wr.';-' 57J^5T33^ JACOBS B*aNERNG GROUP NC. ADVANCED SYSTIMS DTVUrON. AUUQUEMUI OPtlATIONS BOREHOLE/WELL CONSTRUCTION LOG SITE m- -<"/%: LOCATION IP- -#g»i5> ^ FIELO PPP- >6 73L-te APPROX. SITE COORDINATES (FT.): N E GROUND ELEVATION (FT. MSt V SOZ9 .COMPLETION PATP; //-<26-rt* BOREHOLE SUMMARY CONSTRUCTION TIME LOG START DRILLER:. ^* CASING CASING SUMMARY FILTER PACK CASING DIA. END* TYPE* DESCRIPTION (In.) DEPTH SEAL z. /%^-/v *J$ul rmtMtui £ OTHER • P-Prot»ctiv» G-tcr»»n »-»l«nk ©-Op«n M-Nont • Dtpth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT END* TYPE DESCRIPTION CODE* 9 C&ttetd- £L*-knJ-fc /£>HjrT /*/i*o A. SO so JL %,^;*> TV/tArts) /srz.o a-7 F d5//W <^?&*J[ fe-/z) /7V.5 trt /*o // COMMENTS: -r*£ /4&kt. ^ ?f /?76Y 'J».4.*J?j&.- 4^7 • - •sekfll S-Sttt F - Ftlor P«ek +**• • 0«ptn from around Surface & W/ttittib JEO-AU-ENO-") U/t4) JACOBS ENGNERNG GROUP NC. ADVAMCf D STSTIMt WVIWOM, ALIVttUEMUt OMtATIONS ((' WELL COMPLETION RECORD SITE IP-- S&K-df LOCATION ID; -*frr+ *t*' DATE INSTALLED: //'J4-& APPROX. SITE COOROINATES:(FT.) N E OPEN AREA J>ER LINEAL FT. (IN2/FT.) FORMATION OF CQMPLgTjftu- WdsiaAA te**/*/*^ ) FIELD REP.: Ai TJHiT^ npn t PR- T&LJ/S*. &-O*» WELL CASIN WELL CASING OIAMETER (in) •&£<>M& **/%*- TYPE HOLE DIAMETER (In) HT. ABOVE £-0 GROUND (ft) GROUND SURFACE 75W*1 f^y^ • % BACKFILL TYPE -&£cte*:A SLOT 8EAL OPENING LENGTH (in) (ft) TOTAL . CASING DEPTH //3£~ //s-S (ft) LENGTH (ft) OPEN OR FILTER SLOTTED PACK ^£% LENGTH TYPE (ft) FILTER PACK c£7.S LENGTH (ft) BLANK o?.0 LENGTH (ft) COMMENT8: JEO-AL-ENO-3 (3/M) JACOBS B*yNERiNG GROUP INC. ADVANCED SYSTEMS OfVlSJO*, AUUttUEMUl OttlATIONS BOREHOLE/WELL CONSTRUCTION LOG SITE m. £fifC-df LOCATION \D:_=&2L2lL FDELD PPP- A . M,^ APPROX. SITE COORDINATES (FT.): N E ___ GROUND ELEVATION (FT. Uft> V S&10 COMPLgTiON PATP; //ygV-ffg. BOREHOLE SUMMARY CONSTRUCTION TIME LOG START DRILLER:. <£tx*f€4> tQraseS, ACTIVITY END DATE TIME TIME RIG TYPE: 1*VrtUt£<$- /TOO HOLF END • FLUID DRILLING /A25-2& J.'c*/ 3:ir BIT TYPE DIA.* TYPE «"•) OkA AY //3.£ A* CASING CASING SUMMARY FILTER PACK CASING DIA. END* TYPE* DESCRIPTION (In.) DEPTH SEAL 7^5" 7&>¥*Jhs* &**/ £& JS2L JB- r&J*du&. i //*.& • JL •SJLMJUL &> five. V 6&£. DEVELOPMENT MOO rvfe/<*/ 7%it*w>to<£ OTHER *£vr&**- &*; * P-ProUctlvo S-*cr»tn Wlan2C* O-0p«r> ftHNon* ink • Dtpth from Top of Citing WELL CONSTRUCTION WELL DEVELOPMENT TYPE DESCRIPTION DEPTH ^(ggfe) TZ^fX^a'^) CODE* 6-7 S~!&»XJ«4-J&JJ**;*- &>xf{ y/.o 7 J&^X, &J/*ASK<) 86.0 C-7 5b ? tT <&/& r^*Jf*-/X ) &JL tr7 so /o /c: so £r7 /I COMMgNTS: ^V M*&£A J*L /Z7&4_ ^^MI &J&6 *Sr- ,{^f »*>&>t*t &ML rJ&A f ftAArf ftiP'/drift* •• t - BaekfH • -•••I F - FKor Faek 4? • Oopttt from Oround •urfae* J^ x/ssA P£\ JEQ-AL-ENQ-1 (»/»4) JACOBS B*3NEB*NG GROUP NC. AOVAMetD SXtnUl DtVISWM, AUUtUEMUt OfftATlONS WELL COMPLETION RECORD SITE IP; ST&J/ LOCATION ID- -4&2r *?^PATE 1NSTALLEP: /f-13'^C APPROX. SITE C00R0INATE8:(FT.) N E __ OPEN AREA J>ER LINEAL FT. tu&ivv ) __ FORMATION OF CQMPLgTiou- A4sa.-fc/ FIELD PPP » ^ /5L/g. nomca- As>u/t4. 2£nss. WELL CASING DIAMETER (In) x£d<*dt*u. tyftlC TYPE HOLE DIAMETER (in) TOTAL CASING DEPTH (It) LENGTH (ft) COMMENT8: JCG-AL-ENO-3 (»/»4) -JACOBS B*3NERNG GROUP NC. 01ADVAMCt D SUTIMl DTVUtON, AUUftUEMUl OPMATIONS BOREHOLE/WELL CONSTRUCTION LOG SITE irv J^Pfc-tf/ LOCATION ID? ^g"^2- FIELD IRgPr /.. 7^1fl4 APPROX. SITE COORDINATES (FT.): N E GROUND ELEVATION (FT. uftt V £/**> eOMPt PTIOM PATPT //-22-Z& BOREHOLE SUMMARY CONSTRUCTION TIME LOG START DRILLER:. «&y/£ s J5/r>£. ACTIVITY END TIME RIG TYPE: -Tn^-Ha /53g DATE TIME HOLF TN^NCD • FLUID DRILLING BIT TYPE DIA.v TYPE (In.) //co 7r?t*i<&~ Z£. £& Ac TrjitfT*, "j.o 4 CASING SUMMARY FILTER PACK (I'ZZ'Zb CASING DIA. END* TYPE* DESCRIPTION (In.) DEPTH SEAL ft^z- fL s.wc T7> ^7^4^ ^^/ ?% ££ ^UAUL w pre ^5- £L& BACKFILL //-£5 -& //:oc> £L '&/. 4/> />ML.JJkJ //ZtC *SA ASHILH6M.' 1 J- OTHER • P-Proloetiv* t-Scrotn t-tlank O-Opon M-Nono • Dtpth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT fWDl TYPE DESCRIPTION DEPTH CODE* Z 2&S **> 7-* ast^tfAi aw-*. J2>jJ*»r1£ ?£//*& £za /c:co 7-r frr c^< **•/ •£- &/,)>< <$toJ (?'/?) Intel //;/r 7-? jvr, ***•• COMMENTS:. • - •aekfH S-tOftt F - FKor Pack • 0*pth from drowno* turfae* JEO-Al-EMO-1 (t/M) JACOBS ENGNERNG GROUP NC. ADVAMCIO tTSTlMt WVIttON,*L»UttUIMUi OflfcATlOW* WELL COMPLETION RECORD SITE ID:. gfl*-- LOCATION ID:, 9'3 DATE IN STALLED: ./&/£&_ APPROX. SITE COORDINATES:(FT.) N E OPEN AREA J>ER LINEAL FT. (IN2/FT.) FORMATION OF COMPLETION: k//fAA^/t (g$/gL) FIELD REP.: ^- TJujft non i PP- 2&UL<> 2rz&, WELL CASING et6i& BACKFILL TYPE SEAL TYPE SLOT 8EAL LENGTH OPENING (ft) (In) TOTAL CASING DEPTH MCG /JZ.O (ft) LENGTH (ft) OPEN OR FILTER SLOTTED PACK LENGTH TYPE (ft) FILTER PACK c£7.0 LENGTH (ft) BLANK J?.0 LENGTH i (ft) & COMMENT8: JEG-AL-ENQ-3 (*/»4) JACOBS B^GWEB^NG GROUP NC. ABViUtCID SUTIMS DtVlSrON, ALlOftUf MUI 0»ftATtONS BOREHOLE/WELL CONSTRUCTION LOG SITE ID: j^EL^LLOCATION ID; J&34& plELD PPP? /L , 7%,Jk APPROX. SITE COORDINATES (FT.): N E GROUND ELEVATION (FT. Ufii V S'D 90 COMPLPTIOM BATE; /£?-//- DRILLSR: 2£i**fe< S/T£>. 8TART ACTIVITY END TIME RIG TYPE:. 7fe>&^ /SB0 DATE TIME HOLF END • DRILLING BIT TYPE DlA.v FLUID /C?-/3-£& S'.iO £'r/S (In.) 3SSL TYPE '^^Tce S.6 /X.6.Q /fr> /fr»f CASING /irW-flS /0:oC CASING SUMMARY FILTER PACK CASING DIA. END* TYPE* DESCRIPTION (In.) DEPTH _11U SEAL //;/s V rfT.S 7^ TZi-bdw. c^vg/ & 4,e> /63.0 £rJt~LL. 40 Pifc BACKFILL SZ>1 4A f>//£ flu?) $fo //r-o K»l*/u&. 4b PikL 9/ 30 //:so '*6-t> DEVELOPMENT &30 Ssi 4&. AAAM-L OTHER • P-r>rotactlva 6-terttn i-ilank-ink_3) O-Optn M-Nont • Dapth from Top of Casino. WELL CONSTRUCTION WELL DEVELOPMENT [ND© TYPE DESCRIPTION DEPTH CODE* till J?:so 1'-"1- 2 S60"~ to -£ C^MMUT ^"^ *+° /A &^4™:4* 72Jf,A Sv)93.0 fL AL 7^g */^**J)^ t*«J>1 *aJLu>j&'.. • - tackfO 1-laal F - FKor Faek J Dtptn from Ground Surfaet JEO-AL-ENQ-1 U/S4) JACOBS B*GNEB*NG GROUP NC. ADVANCID STtTlMt WVISIOM, AUUftUIMUI OfllATtONS WELL COMPLETION RECORD SITE IP: SPt-tf LOCATION ID? ^W 9'¥ DATE INSTALLED; /j?-ir-tf^ APPROX. SITE COORDINATES:(FT.) N E OPEN AREA..PER LINEAL FT. (IN2/FT.) • • FORMATION OF CftMPLPTtnN- liJa**>LJ fSL/S$) FIELD PPP • £..7%*J£. ppiiLCRr ^»jk< 3r&£.. WELL CASING WELL CASING DIAMETER (in) ^cA+JtAwttc TYPE HOLE DIAMETER (In) HT. ABOVE JGROUND (ft) GROUND SURFACE 7?wv;\ '••r'* W BACKFILL TYPE (Br&rr SEAL •:. TYPE SLOT 8EAL OPENING LENGTH (in) (ft) TOTAL CASING DEPTH /SSA /S7.0 LENGTH (ft) •v£ (ft) OPEN OR FILTER SLOTTED PACK LENGTH TYPE (ft) FILTER PACK JZO ^^ LENGTH (ft) BLANK cZ.O LENGTH (ft) COMMENT8: JEC-AL-ENO-3 (*/t4) JACOBS &4GNERN3 GROUP NC. ADVANCED STSTIktS WVHJOK, AXW4UEMUI OPUATIOMS BOREHOLE/WELL CONSTRUCTION LOG SITE IP-- ^P£~dl LOCATION iPr -^V^'V FIELD RPP- 2.7%^e _ APPROX. SITE COORDINATES (FT.): N E _ GROUND ELEVATION (FT. MSL):. fW> .COMPLETION PATP; /J~/^f& BOREHOLE SUMMARY CONSTRUCTION TIME LOG START DRILLER:. k /i>£2£- ACTIVITY END TIME RIG TYPE: */**, / CASING /J-/S-8C* //so J>/ CASING SUMMARY FILTER PACK /fasfi¥i &tt( £%L srr 3 ^£*dL& 4fr Pt/C v.o /fegd BACKFILL /*-&-'& 013O ^1 &2 »a ?vc fa"} 4<0 /g&& ^£+Je.& VbPlXL £0 //5T0 s. DEVELOPMENT &-&-&> 4:ce> s-/g~ tSt£ ** *"*-»""' t OTHER J&£±f4.A vY rtuvtkt * P-Prolactlva G£8crtaGfcScrtan B-»lafit-»l«fikl O-Opan M-Nona • Dapth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT fFTCi TYPE DESCRIPTION DEPTH CODE* ELL f.'GO s~-6> £/Cro /O W> s~-& /S7.Q 4/J10 •330 £L ££LL 6-7 3^0 j£hf _ . COMMENTS: -£z »*£L. ?~fa •& £?7&4 'to&L • - »ack« • -•••1 F - ntor Pack • Papth from Orowwtf Surfaca ttttP &- fa dak JtO-AL-INO-1 Ct/t4> JACOBS ENSNERNG GROUP NC. AOVAMefD STtTIMS DTVIWOK, AUUftUIMUl Off tATIONS WELL COMPLETION RECORD SITE IP; SSPk-dl LOCATION ID; -&{& I'? DATE INSTALLED; /?-/vrT&S^t BACKFILL TYPE SEAL TYPE SLOT SEAL LENGTH OPENING (ft) (in) .06 m TOTAL CASING DEPTH /20.O S /3Z.& (ft) LENGTH (ft) OPEN OR FILTER SLOTTED PACK /s.o LENGTH TYPE jf (ft) FILTER PACK J7-0 LENGTH (ft) \m BLANK £0 LENGTH m (ft) COMMENTS: JEQ-AL-ENO-3 (S/»4) JACOBS B4&MEERNG GROUP INC. ADVANCED STSTttfl WVIttOM, AUUftUEMUI OMIATIOMS BOREHOLE/WELL CONSTRUCTION LOG SITE in. <£fc-af/ LOCATIQM IP» -fr& f I? P»gLP RPP? / ?3k£ APPROX. SITE COORDINATES (FT.): *» E GROUND ELEVATION (FT. MSL): .COMPLETION DATE: /«?-//^y /STOP DATE TIME % HOLF END • DRILLING BIT TYPE DIA s FLUID «n.) TYPE TZ-ecauu &^> /gP.S /fV/fef CASING /<2-9~£C>3:s-y CASING SUMMARY FILTER PACK u-i-&> SlrOO CASING DIA. END*, TYPE* DESCRIPTION (In.) DEPT>EP' H L SEAL /*-%?& sus ZR. /rnJrf/rue ^c^-l 7ft ££. <£cAe/6jL 4fe me. HAu //3A BACKFILL /-?-/» - ? *&£ e± •iUi&'tit OTHER £$tsn£<£ Cos ft** • P-Prottctivt »-tcr»tn t-ftlanniYl O-Optn tHhiont • Dtpth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT TYPE PTH /j-fit-ro, _PJL ts- {jt//d*X ^**f c\ CODE* DESCRIPTION £L2. 2. Ofti'lvf- $*pd*"& &n*fr J3.o 7-e £6 ^J~>.^ VJU /^o /&at> /o ^ £~A, &&y* &**/>&/*) /3C.0 6-7 /S 6^1 ML. _// COMMENTS! £k ***£* J?P>*1 AZ74>J_ A.Pfo*nct_ J ^ oAucA • - •aekftl • -»#•! F - F»t»r *»ek *? /«H. tfiA • Otpth from around twrfae* Pffm^ju **/-aYf4^ &JXV***.. JE0-AL-EM0-1 <»/M) JACOBS B*3NEB*NG GROUP WC. ADVAMdD mriMS WV1POK, ALMMUIMUt OfflATlONS WELL COMPLETION RECORD SITE IP; <£1>fc--(0/ LOCATION ID; -&&& 4M* DATE INSTALLED! /JI-&-V6 APPROX. SITE COORDINATES:(FT.) N E __ OPEN AREA .PER LINEAL FT. (IN2/FT.) FORMATION OF COMPLETJOI MWX <&&AtO FIELD PPP • ^- DRILLER: &Mdfo& GROUND SURFACE 7?wr BACKFILL TYPE '„!ci4t&icfw • « SLOT 8EAL OPENING LENGTH (in) (ft) TOTAL m CASING DEPTH /to,o ft£,G (ft) LENGTH (ft) OPEN OR FILTER <5/7/fc4. SLOTTED PACK LENGTH TYPE (ft) FILTER PACK COMMENTS: . JEG-AL-ENO-3 (9/M> JACOBS ENGNERNG GROUP NC. ADVANCED SYSTIMt WVIttOM, AUUftUIMUt OKtATlONS BOREHOLE/WELL CONSTRUCTION LOG { SITE m. <*>Fk.-4l LOCATION jp? -3fe6"?^PIELP REP: /. 72^ APPROX. SITE COORDINATES (FT.): " E _^__^^_ GROUND ELEVATION (FT. usiV <*7£ COMPLETION PATE: /g-£-8& BOREHOLE SUMMARY CONSTRUCTION TIME LOG START DRILLER:. Jfykfi £ffit ACTIVITY END TIME RIG TYPE: 3Z:/,>i« /tt> DATE TIME HOLF DIA v 3END • FLUID DRILLING /x-r-&> A213Z~ BIT TYPE TYPE *t;3l (In.) 7FiX Pfc ^>g 2£ BACKFILL U~i-& g'.IO S&A.ltofiiKLtcX,*} i/d2 /0S.0 /g & J.„A,£ */* fitt, 545. //oz> DEVELOPMENT &/?• ?b l£?/*A dALMUj*t OTHER * P-Prot«etivv« &-*cr#tn t-Bifhl O-Optn M-Nont • Dtpth from Top of Citing WELL CONSTRUCTION WELL DEVELOPMENT SHOT /(?/?• &> PL •&£u/6U)> TYPE DESCRIPTION DEPTH CODE* /4^1*l-Bld**b.a»j(> 75* Jiito C-7 «2© /o a. &2/sA t%*\ ££& JZ/ZZ &7 So /o ^L //o.o J?:SO 6-7 60 e-£ fr)du. c&eu. $&udu*t*f -£/&, COMMENTS: & UtM* 7Tft*t /276 SITE IP: <^P£- BACKFILL TYPE .*. <£ra-crr SEAL TYPE SLOT 8EAL OPENING LENGTH (in) (ft) TOTAL CASING DEPTH 15 MUiiBB COMMENT8: JEG-AL-ENQ-S DRILLER.- ^u^L* <&»*, 8TART ACTIVITY END TIME RIG TYPE: -^^» / CASING CASING SUMMARY FILTER PACK CASING DIA. ENDT TYPE* DESCRIPTION (In.) DEPTH SEAL -i*y? AC £2: £A &4+A.&. 4b zxx. #0 63.Q -<£. BACKFILL _£=£. . s&Jr 4£> -PLsr*. <<<*£)> i£o. 2££. ^. -O&.jJ, 440 7VC ££ 7^-Q DEVELOPMENT A'OO <£CLA4&CI- Y &&&tv, I I » P-Prof etlvt 4D-Scraan t-l'lank O-Optn W-Wont • Dtpth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT IHDT TYPE DESCRIPTION •PTH CODE* DA fl«4*A-3gjrL,xr6> /&*7r qs.o. 2L '•'30 ^L J^^Ju. TMsAf/^ £H.C £. >&/*. <^rfte r^J/f't^ 25SL /,ViT COMMENTS: -£c MJ* J:Z>.J& fr^W t - ••ekfS t-Soal IF - Filar P»eU • Dtpth from Orountf turfaet JE0-AI-EN0-1 <»/§4) JACOBS ENGNERNG GROUP NC. AOVAMCCD STSTIMS OtVIWON, ALtU«UIMUI OHtATlONS X. WELL COMPLETION RECORD SITE IP; SPK-<&\ LOCATION IP; 9&? trf DATE INSTALLED; /J-/3-7& APPROX. SITE COORDINATE6:(FT.) N. OPEN AREA^PER LINEAL FT. (IN2/FT.) FORMATION OF COMPLETION:. FIELO REP.: £> TZJM DRILLER:. ^Brruk* JSL>/cc= > r WELL CASING WELL CASING DIAMETER (In) {^A #>A£ TYPE HOLE DIAMETER (ln)| HT. ABOVE JGROUND (ft) GROUND SURFACE T^W W^ _« «• BACKFILL TYPE .*. SEAL TYPE SLOT 8EAL OPENING LENGTH (in) (ft) TOTAL CASING DEPTH /3S.O /37.0 (ft) LENGTH (ft) OPEN OR FILTER SLOTTED PACK LENGTH TYPE (ft) FILTER *"=" PACK £5.0 LENGTH (ft) m BLANK XO LENGTH I (ft) COMMENTS: JEO-AL-EHO-J U/t4) JACOBS B*SUEB*NG GROUP INC. ADVANCED SUTtttt D4Vt»iOM, AUWftUtMUI OPERATIONS BOREHOLE/WELL CONSTRUCTION LOG SITE m- ^Pk~<6l LOCATION ID; -$€&4li FogLD pcp. /, 7%,\£. APPROX. SITE COORDINATES (FT.): *» E GROUND ELEVATION (FT. MSL):_^Z22 COMPLETION PATP; z?-/3-ft„ BOREHOLE SUMMARY CONSTRUCTION TIME LOG START DRILLER:. iSw^g & '222*. ACTIVITY END TIME RIG TYPE: T?;/ /ST>D DATE TIME HOLE FLUID DRILLING BIT TYPE DIA v 910Z) 9:30 (In.) %H TYPE 7S CASING /X-43-& sous /o^B CASING SUMMARY FILTER PACK /*•&-*£> SC.'Vf //•HO CASING DIA. END* TYPE* DESCRIPTION (In.) DEPTH ULL. SEAL te-6- & //MO /•2/ZO irp /^rA^Vg ^*y/ £& c&A^,A 4A PIT. 4o M.O BACKFILL / J&1«&& 4fi P*. V.D /SSA -2. DEVELOPMENT A2-J6-S6, /JWS A.'&O •#r "iV •<&*•&*./*> <»/&>>** • P-Protactlva §-teraan t-aUan 4 ©-Opan M-Nont • Dapth from Top Of Casing WELL CONSTRUCTION WELL DEVELOPMENT END* JTYPE DEPTH /j JO- ro _&.€± 6c/4ct*) /&> CODE* DESCRIPTION 4?:sf r!£4*l4+rf--3$4J#7lrk^ itrfz. <£rr»Jr /GO.0 6-7 /:ao /7sr /6 /(QrG 6~7 // ^ sss* <2!00 // 2$. 6-1 COMMENTS: -& **£ JT^-J* /^?7^^ '•&* £**. -^.«e^^I/ tfeL • - •»ck« t - taal P - Filar Pack • Dapth from Ground turfaea JEO-Al-ENO-I SITE ID:. LOCATION IP; 4&f ^f DATE INSTALLED; /fe?-5-r£ APPROX. SITE COORDINATES:(FT.) N E OPEN AREA .PER LINEAL FT. CIM2JCT } FORMATION OF COMPLPTIQM- . Wa**J-(A /^u<^W) FIELD REP.: £< >%/?£. nam PP. ]&*,k* ,%/».<• WELL CASING WELL CASING DIAMETER (in) SSI¥^ TYPE HOLE DIAMETER (in) HT. ABOVE JGROUND (ft) GROUND SURFACE ^m^i w#^ BACKFILL TYPE SLOT 8EAL OPENING LENGTH (in) (ft) -0£ TOTAL CASING DEPTH /ZZ.O /90*O (ft) LENGTH (ft) OPEN OR FILTER SLOTTED «*?///*, /0.O PACK S£g LENGTH TYPE (ft) FILTER PACK COMMENTS: JEC-AL-ENO-S<*/•4) JACOBS B*SNEBaNG GROUP INC. 01ADVANCE D SYSTEMS WVJStOH, ALftUftUEMUE OtEIATIONS BOREHOLE/WELL CONSTRUCTION LOG 6ITE ID :r?ft£ ^.LOCATION IP; 4?^-^fpiELP PEP: /. /%j4^. APPROX. 8ITE COORDINATES (FT.): N_ GROUND ELEVATION (FT. MSL):__£&£Q .COMPLETION PATP; /Z'S-VC BOREHOLE 8UMMARY CONSTRUCTION TIME LOG START DRILLER:. JSZJ ^ JZrOS. ACTIVITY END TIME RIG TYPE: 7ZT:/.H* /SCO DATE TIME HOLE % ND • FLUID DRILLONG 3'.iO BIT TYPE DIA.* TYPE (In.) fflL €130 /O'.30 &*A. ** %6 /8ZO A,jfa*h CASING A2*t(~f& J?i30 CASING SUMMARY FILTER PACK /yz.Atge. INDT s:zo CASING DESCRIPTION DIA. TYPE* (In.) DEPTH SEAL /*-?-•&> V//T 2. Wtffch< Sk ~^J 4A x/r**4t*g£ l OTHER *&**& «. • P-ProUctlvt 6-tcrttn t-ftl C-Op«n M-Nont • Dtpth from Top of Casino z WELL CONSTRUCTION WELL DEVELOPMENT END* TYPE DESCRIPTION DEPTH ~ZK. ^^/fe*Q ^-pt CODE* r ft.) 7-2T /J& Cevcud-^A+L*^ &/*sf 15*1.6 6-7 &ao /O /&3.Q a*L* vJu*?^ /;sc £-7 6>is~ r r/Zeh.cg.iKer-^J/iA /E8.Q tlUac cite*, fs*j2. ^€& , COMMENTS: T*> sud^ -ftp.*£/*7t4 Sx*t«t-ua. J**LL tLd. SITE ID: S?k-Q\ LOCATION ID; <%?Q DATE INSTALLED: gA/?7_ *&9*&*r. SITE COORDINATES:(FT.) M SO>.dZI.Cc E .5-J> 323,7 OPEN AREA .PER LINEAL FT. (IN2/FT.)-i££^zfL FORMATION OF COMPLETION; AS^fiTZs/f=-M — 0/?/&SJ^SAT*-*— FIELD REP .:^£ >4»» BACKFILL TYPE SEAL TYPE SLOT SEAL LENGTH OPENING (ft) (in) TOTAL DEPTH 7Z CASING (ft) ff ii LENGTH (ft) sa-=- OPEN OR FILTER SLOTTED PACK LENGTH TYPE (ft) FILTER PACK ZO^ LENGTH (ft) BLANK 2>z*r LENGTH (ft) COMMENTS: JEG-AL-ENQ-3 (9/S4) JACOBS ENGINEERING GROUP INC. HI ADVANCID STSTf MS DfVUION. AUU6UEMUE OfftATtOMS BOREHOLE/WELL CONSTRUCTION LOG SITE ID: SPK-&I LOCATION ID- «?Z^> FIELD REP: O- U&o^< APPROX. SITE COORDINATES (FT.): " &k- E 6>K GROUND ELEVATION (FT. ufti V rckL COMPLETION PATP? Sffi/gT? BOREHOLE SUMMARY CONSTRUCTION TIME LOG 8TART DRILLER: S*T*SZ*£ fTa&ZfgisgS, ACTIVITY END TIME RIG TYPE:"/?W** 1&/c(__ DATE TIME HOLE END • FLUID DRILLING %~/0-37 7& s* BIT TYPE Dl A. TYPE 9 <7* /"* ^-ZPxA* -£L r& / r-ei./.jcz 5-^%• CASING SUMMARY FILTER PACK f2->p-S7 Jg~ CASING] DIA. END* TYPE* DESCRIPTION (in.) DEPTH fftj SEAL 8-lo-Zl ScA y fV^ B& r BACKFILL 3" p£- JL 5^k Ho ?'<-, .efsl,* v U £S V" W 5 DEVELOPMENT )1% 0 f-t f& SnSf&^ C*-r, sJ£. $' M OTHER * P-Protsctiva 6-Scraan B-Blank O-Opan 'N-Nona 'Dapth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT TYPE "EWI CODE* DESCRIPTION /= U~ /Z- Ss/'£* <**_**_ f£ 5 O^J-t'fltJc (f>?//**/$ 7<^5" fat- Vq/g-) ,e*\ dtJtA,,.*^ ~ gezf&f & &«J*»,Jc ^W /^W^fe-A &1' £L //^ii/^ 2£k COMMENTS: <*&/wll nlL**.^ B - ••ekfl t- Saal F - Fltar •'•efc • Oopth from Ground Surface VEQ-AL-ENQ-1 <*/»4) JACOBS B4&NEEHNG GROUP NC. K ADVAMCtO SYSTIMS OCVlltON, AUU«UIMUE OPUATIONS WELL COMPLETION RECORD SITE ID: 5PK'0[ LOCATION ID:_fA_L___ DATE INSTALLED: & l*'^? SITE COORDINATES:(FT.) u v5& //*. 3 E *i3,/33.S OPEN AREA PER LINEAL FT. (IN2/CT > frOSS/eh - FORMATION OF COMPLETION? //?As#T6// fa — too^-^J*^*trfivt«X— FIELD PPP • ^> M»L*ne»4ttf~ PRH LFRr g'fiatntt* /S**>*«£ &*&*&<* WELL CASING DIAMEJER (in) WELL CASING S*2 WWC TYPE HOLE DIAMETER (in) — StZl.o HT. ABOVE JGROUND (ft) GROUND SURFACE Tif^m •;-:p*w 5/2* ^ BACKFILL TYPE SEAL TYPE SLOT SEAL OPENING LENGTH (in) (ft) TOTAL DEPTH CASING /#> fio (ft) LENGTH (ft) OPEN OR FILTER |SLOTTED PACK J LENGTH TYPE (ft) FILTER PACK LENGTH (ft) BLANK LENGTH (ft) COMMENTS: JEO-AL-ENQ-3 (3/S4) JACOBS ENGINEERING GROUP INC. ADVANCID WTIMS MVISIOM, Aitvouftrauf off IATIONS BOREHOLE/WELL CONSTRUCTION LOG SITE ID; .LOCATION ID:. ^^ FIELD RgP: /9. APPROX. 8ITE COORDINATES (FT.): N ,£fc .B^L. ©ROUND ELEVATION (FT. Mfti V *> ^ .COMPLETION DATE:. &/ir/p? BOREHOLE 8UMMARY CONSTRUCTION TIME LOG DRILLER: ^M&se £: s&&Z\j>fr5 START f ACTIVITY END TIME RIG TYPE: d?***P*iu* & 5"Z j DATE TIME HOLE END 4 FLUID DRILLING 5U BIT TYPE OIA. TYPE firi *% ,< k*z. &^/< '( CASING CASING SUMMARY FILTER PACK CASING DIA. END* TYPE* DESCRIPTION (in.) DEPTH SEAL n<(t ^> pt>l. C&Sis-yS *>ci. H0 {V£- -/** £ n& BACKFILL -5 y <£ek HP [>UU k & -?§: JL J@*L DEVELOPMENT /zr /M OTHER •WVotactiva 6-Seraan B-0lankO-Opifl "U-Nona • Otpth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT TYPE CODE* DESCRIPTION 3 & ?-*Z*tA~* fc ^r***- JM j?*/****^ &l\e+s //V JL &/-Z #/#*. S*-*^ /*/ ft-16 COMMENTS:. • - Baefcfa • -••at F - ntar Paefc _f> Dtpth from Oreund •urfaea JEO-AL-ENQ-1 (*/»4) JACOBS ENGNEB8NG GROUP WC. AOVAMCIO SrSTIMS DCVUtON, AlSUftUEMUE Off tATtOHl WELL COMPLETION RECORD SITE ID: Sf^^l LOCATiOM ID; Q-ZZ^ DATE INSTALLED:. _ 8/nfr? APPROX. 8ITE COORDINATES:(FT.) M 58S/L3. C? E SB. Z/O. &> I OPEN AREA .PER LINEAL FT. (IN2/FT. )_£££*£. FORMATION OF COMPLETION- MJ/t^A^^ 7^ - U/lh^J^Jsj-o FIELD RPP • & UoL^Au/i-r noii t CP» Su^t^-eg. ^-sggfg'-*^ /g.'Tfrrpioh WELL CASING DIAMEJER (in) HOLE DIAMETER (in) TOTAL DEPTH CASING (ft) LENGTH (ft) COMMENTS: JEG-AL-ENQ-3 (»/•«) JACOBS ENGINEERING GROUP INC. at ADVAWCID SYSTEMS DTVISION, MtUeUEtOUi OKlATtONS BOREHOLE/WELL CONSTRUCTION LOG SITE IP; 5Pl~o( LOCATION! ID? f22, FIELD HgP; £?- Us>&Ata*»rr~ APPROX. 8ITE COORDINATES (FT.): " ^ E N < ©ROUND ELEVATION (FT. MfiiV A/A ^COMPLETION DATE; Bill lt?l BOREHOLE 8UMMARY CONSTRUCTION TIME LOG START DRILLER: SvVe.\*£ &sr?ertlS&£ /£'.llUt&>cot END ^mmammmmMmmmmm^mmmmmmmmMmmmmmmmmmmmmw^mmmtammmm^mmmmmmmmmmm^^^^^* ACTIVITY TIME RIG TYPE: 1%en*i7eicc <2^( OATE TIME HOLE END • DRILLING TIT• p H FLUID 3 BIT TYPE DIA. TYPE f,r.i 8 Intel B m ma^e Sfi&ft &*M /V^ IflJflrretZ. ,J2. CASONG 8jnlsi 6'A^ CASING SUMMARY /W ,-e FILTER PACK &/n/t l CASING DIA, END* TYPE* DESCRIPTION (in.) DEPTH SEAL e/n/n >i* SU Ho st**^ /C&<>>* * 3 £>cL P)[t jzt,>«p ifS> 6 JL '& M DEVELOPMENT A**-. ./J^J. 8^ /; OTHER P-Prert»ctiv« 6-8cr»»n B-Blank©-Opart*W-Nona 'Dapth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT TYPE ETTCTi ^frft' it?/n*a. 'i&stc t?trrTb*>rZ (PgU^f 4&&U )/< 6 £**>- COMMENTS- • - taekfll t-taal F - filar Pack • Oapth from Ground Surface WEO-AL-CNO-1 <»/§4) JACOBS B*St€B*NG GROUP WC. ADVANCED mtlMS MVUION, ALMWUEMUE OHUtoOHl WELL COMPLETION RECORD SITE ID: LOCATION ID: f ^5 DATE INSTALLED: 0/Sjf87 APPROX. SITE COORDINATES:(FT.) M S3>g4,g E £3..' FIELD PPP • /P. /t0i/»au*'r~ • t\Vk\\ \**i£vt*>t. ISC-Ztrttt. Mists M~rfL'ostujo WELL CASING DIAMEJER (in) WELL CASING ScV^o fvc TYPE HOLE DIAMETER (in)| — SllS.o HT. ABOVE JGROUND (ft) GROUND SURFAC7^mE snz.8 BACKFILL TYPE £r£oi*r SEAL TYPE SLOT 8EAL OPENING LENGTH (in) (ft) TOTAL CASING DEPTH 7J/Z- Z.3^.3 (ft) LENGTH! (ft) OPEN OR FILTER SLOTTED PACK LENGTH TYPE (ft) FILTER PACK 27,3 LENGTH (ft) m\ BLANK 2.z€ LENGTH (ft) COMMENTS: JEO-AL-CHO-3 (3/t4) Tr JACOBS ENGINEERNG ©ROUP INC. Iffc ADVANCED SYSTEMS DTVtS>ON, AliUOUItfcUl Of* IATIONS BOREHOLE/WELL CONSTRUCTION LOG SITE ID; SPK-0 l ' LOCATION ID; ^2^3 FIELD BgP- O. +k> urn 6>w>-trr- APPROX. SITE COORDINATES (FT.): N. MA P MK GROUND ELEVATION (FT. MSI V AUC .COMPLETION DATE; Bite/fa BOREHOLE 8UMMARY CONSTRUCTION TIME LOG DRILLER: £«/JA HOLE END • DRILLING 3^ BIT TYPE DIA. FLUID Qfa/97 7 Jin.) TYPE 1/ &** l6&**.M0fi»r ^% ffZ t/Ofir&e. 3* CASING &l(«(87 If CASING SUMMARY 3S- FILTER PACK V CASING DIA. END* TYPE* DESCRIPTION (in.) )EPTH -fiLL SEAL 6d H6> S7662- $ $-<£> ^>U yt> Cue &,/***.' 2,-ZZ. 6 BACKFILL H OTHER • P-Protaetiva 6-Scraan 0-Blank ©-Opart *M-Non * • Oapth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT TYPI i^>.Lr &*frru Jrutb,~<~-/ •• //f^s e^^ f/u/g-7 CODE* DESCRIPTION asm JL %j?tu*#>o>rr&- /CtfjnS/s-T' {£&•*+< 1#\ *>«+»•» frSeJ &**~- 4 ie->5$e~\ *J?*Am>rj >rz: f?/2mi>r5 •ZoT .£. P'lZ- &UAA *C/?/J7? 222.5 COMMENTS:. • - ••ekn S-Saal F - rmm Pack • Oopttt from Ground Surfaea JEO-AL-CNO-1 <«/t4) JACOBS B^GNEERNG GROUP WC. ADVANCED SYSTEMS DIVISION. AlStttUf »OUE OKtATKMS BOREHOLE/WELL CONSTRUCTION LOG SITE m; SPX-OI ' LOCATIQM iPr ^7, V HELD REP;^S APPROX. 8ITE COORDINATES (FT.): H—MM. E &<• GROUND ELEVATION (FT. MSD:_-6ZL COMPLETION PATF; &/J&/%~7 BOREHOLE SUMMARY CONSTRUCTION TIME LOG DRILLER: ^A/ftS/? ffi?TP#' f&'JStJ2 START ACTIVITY END TIME RIG TYPE: Gki OTHER P-f*rof»ctlv« 6-Scr##n •-•lank O-Opon *»M*on * #• Depth from Top of Casino WELL CONSTRUCTION WELL DEVELOPMENT TYPE END* CODE* DESCRIPTION 3KE r ^ •^;fym COMMENTS:. • • - tickm • -•••i F - FKor f*»ck • Dapth from drown* Surfaca JEa-AL-CNQ-1 (»/#4) JACOBS BtfaNERNG GROUP NC. 3E AOVAMCtO tTSTIMt WVtSIOM. ALSUttUSMUE OMtATIONS WELL COMPLETION RECORD SITE ID:^£JL£1 LOCATION ID: fZ*/ DATE INSTALLED: 6W^fe? APPROX. 8ITE COORDINATES:(FT.) M N(< A/k OPEN AREA*ER LINEAL FT. (IN2/FT.)_£*£&£-. FORMATION OF COMPLETION? tAl/hsn^tf FIELD WP.» ^. Uz>isr**., /CT— PBIIIPR- , •::t'/sW* BACKFILL TYPE 2;f,m *•> >»r- oge> **J~r' SEAL TYPE SLOT SEAL I OPENING LENGTH ^.r (In) (ft) TOTAL CASING DEPTH IZI'1 (ft) J30 LENGTH (ft) OPEN OR FILTER SLOTTED PACK SAT LENGTH TYPE (ft) FILTER PACK :••:.:•.: LENGTH HM (ft) m BLANK 7^ LENGTH (ft) COMMENTS: JEG-Al-ENO-3 (J/«4) JACOBS BflSNERNG GROUP WC. ADVANCIO STtnUI DCVUtON, AlSUftUIMUE OKftATIONS WELL COMPLETION RECORD SITE m: SP*-Q| LOCATION ID:__£Z5l___ DATE INSTALLED: €Mf&? APPROX. SITE COORDINATES:(FT.) N-£Zl E A^ OPEN AREA*ER LINEAL FT. fm2/cT > .ess/**- FORMATION OF COMPLETION: ^M£±21!L FIELD PCP • £>• /&wi«'e-r- non i cB.^^g: ^T&?^^/fe?~JA&«A WELL CASING DIAMEJER (in) WELL CASING 6a '16 fifC TYPE HOLE DIAMETER (in) HT. ABOVE .GROUND (ft) GROUND SURFACE 7! ^m •WAV/^ BACKFILL TYPE SEAL TYPE SLOT SEAL LENGTH OPENING (ft) (in) TOTAL DEPTH CASING (ft) 77 7<7 LENGTH (ft) OPEN OR FILTER .•v.V SLOTTED PACK LENGTH TYPE >'S (ft) FILTER PACK 2-Z- LENGTH (ft) £&l BLANK 1X>* LENGTH n (ft) COMMENTS: JEO-AL-ENQ-3 (S/t4) •*»! JACOBS ENGINEERING GROUP NC 31ADVANCE D SYSTEMS DTVtStON, AlSVeVCMUE OfftATIONS BOREHOLE/WELL CONSTRUCTION LOG SITE ID;^2^£L_LOCATION ID; ^Z4T FIELD BEP-- A llunoa.sr APPROX. SITE COORDINATES (FT.): * At- E r^fe GROUND ELEVATION (FT. MSL):_£^ ..COMPLETION PATP? #7g START DRILLER:. $uuPa£ &*6a**es/&10«rUo ACTIVITY END TIME RIG TYPE: <&«ifi7*>L<- *><& DATE TIME HOLE END 4 DRILLING BIT TYPE >IA. FLUID 4i£ In.) TYPE ' fit*? %<&,**£ &*f /*? ^A&ll 1kr *"*>£. g" 71 IsSfrffl & CASING /' CASING SUMMARY FILTER PACK CASING END* DESCRIPTION DIA. DEPTH TYPE* (In.) (ft.j SEAL 1 f* 6 S-tecl pr-2*.&s,y Z" y'z'frb B &cL OTHER P-Prot»ctiv0 B-8crt«n t-flank O-0p*n W-Norni 1 Otpth from Top of Cathie WELL CONSTRUCTION WELL DEVELOPMENT EW¥ TYPE JOEPTH •g^'" &*-e £*•< €>T»C COMMENTS:. • -toekfSl • -•••I r - Fft* Pack • ' Otpth from Orou»d Surfaet JEO-AL-INO-1 (t/*4) \ JACOBS BKSNEERNG GROUP NC. ADVANCED tnriUt DtVUtON, AUUtUIMUE OMtATtOMS WELL COMPLETION RECORD SITE ID: 4M-OJ LOCATION ID: £ E /OK OPEN AREA .PER LINEAL FT. (IN2/CT y «gyj/&- FORMATION OF COMPLETION: Jd2£5£L&£. . FIELD PPP' &. tt>ln*?»,<-r PRILL PR; ^wlirfg &r#et*^ //Z^^pu* WELL CASING DIAMEJER (in) WELL CASING £U ifo fir C TYPE HOLE DIAMETER (in) HT. ABOVE .GROUND (ft) GROUND SURFACE rvpm • ••w#qr » BACKFILL TYPE SEAL TYPE SLOT SEAL LENGTH OPENING (ft) (in) TOTAL CASING DEPTH £ W .«J" (ft) fit. m LENGTH (ft) OPEN OR FILTER SLOTTED PACK •&? LENGTH TYPE (ft) FILTER PACK XZ.& LENGTH m (ft) BLANK Z.fg" LENGTH (ft) COMMENTS: JEQ-AL-ENQ-3 (*/t4) TP JACOBS B^GfNEERNG GROUP NC lit, ADVANCED mifMS DrVIStON, ALCUOUEMUE OH RATIONS BOREHOLE/WELL CONSTRUCTION LOG SITE ID: S?k-Q\ LOCATIQM ID: «?2 <£ FIELD REP: /2 4I6£rn #.*<$^ ^ APPROX. 8ITE COORDINATES (FT.): N_dL g /Q£ GROUND ELEVATION (FT. MSL>:_££ .COMPLETION PATF; S^fe? BOREHOLE 8UMMARY CONSTRUCTION TIME LOG START DRILLER: SttotoC&r&K&s /g1*t£iCillA> ACTIVITY END TIME RIG TVPE:^5?fT7?33^ OTHER •"-Protective t-Screen •-•lank O-Open *»*-None 'Depth front Top of Cetlno WELL CONSTRUCTION WELL DEVELOPMENT ETO¥ TYPE DESCRIPTION CODE* •"BE fife*/*&a£"*? ^^ ^*^y ^o^^i ^ T 'ggjsriMiT* '£ffi?s+>T £*<>*<' 3* fernvviTf 'T^k^t^ sZnf f &J2L&SU4J&L22- fz^ COMMENTS: _&>d£e*> &K<^7 A~> CSS/*"'? - *>t>A/*4fa*.£aaJ' "cr • • - leekm • -Seel F - Peter Peek _ • Depth from Qrouod turteco «IECAl-CN0-1 (S/»4) JACOBS B*aNERNG GROUP NC. AOVAMCSO SYSTIMS MVtSIOM, AlftUftUEMUE OfllATlOMS WELL COMPLETION RECORD SITE ID: 6?& O / LOCATION ID:_££7_ DATE INSTALLED: ^M^*? APPROX. 8ITE COORDINATES:(FT.) M NIC zjdJL OPEN AREA .PER LINEAL FT. (IN2/FT.)-££5^±£L FORMATION OF COMPLETION: U?fl4#rt>rf FIELD REP.: &< M>L*«*«': WELL CASING DIAMEJER (in) WELL CASING £d<{fi tvO TYPE HOLE DIAMETER (ln)| HT. ABOVE GROUND (ft) GROUND SURFACE J 7?W\ P^f BACKFILL TYPE 6e*o.' SEAL TYPE •SLOT 8EAL OPENING LENGTH (in) (ft) TOTAL DEPTH CASING (ft) /z-3 & COMMENTS: JEG-AL-ENO-3 (»/§4) JACOBS ENGJNEERNG ©ROUP NC. AOVAHCID «T$Tf MS OTVISION, AliUOUtMJUI OKtATIONS BOREHOLE/WELL CONSTRUCTION LOG SITE IPi-Sffc-g) LOCATION ID; 9^7 f?IELD RgP--^- Vl^^iftui ^iT~ APPROX. SITE COORDINATES (FT.): N. JO^. P ^fe- GROUND ELEVATION (FT. Mftt y N>/A .COMPLETION DATE: BOREHOLE 8UMMARY CONSTRUCTION TIME LOG START DRILLER: fxjt, e>& ^si^F* & 3Ei ll A*~ CASING SUMMARY FILTER PACK P CASING DIA. END* TYPE* DESCRIPTION (In.) DEPTH /( «*C£ Jli J. SEAL * //? A. ± BACKFILL 54Z€ > I pru. Z^7 £r,h Wyd 0,&J£' y. r& 6 *h Y* Wt < P-Prottctivt *-Scr#tn l-titr* O-0p»n "H-Nor* 1 Depth from Top of Gating WELL CONSTRUCTION WELL DEVELOPMENT TYPE ETO¥ CODE* DESCRIPTION TO A ^SW^/g^/^W^*& • ££L '%?n}e«rk. Qi(e4-str^ COMMENTS:. • -taekfl • -•••I r - rm* rack • *D«pth from Ground Surface JEO-AL-ENQ-1 (•/•4) JACOBS BJGNERNG GROUP NC. AOVANeso srtnm otvtstOM, AIMWUIMUE OHIATIO** WELL COMPLETION RECORD ft.TE ID: 6e&&\ LOCATION ID: k FORMATION OF COMPLETION: J&LAMl&L FIELD PCP » <^. HOLr* *a t<1~~ P R111 F R>_^*to£U£ fZxttfet.sts WELL CASING DIAMETER (in) WELL CASING 3d 10 Pl/t- TYPE HOLE DIAMETER (in) HT. ABOVE .GROUND (ft) GROUND SURFACE r^em '&W$ BACKFILL TYPE ^^U.^" SEAL TYPE SLOT SEAL OPENING LENGTH (In) (ft) TOTAL DEPTH CASING (ft) 5fc is "»" &. COMMENTS: "ft******'4* j,a/fc+ <&>*£ /„ 4#~sz> ,„4;* JEG-AL-ENO-3 (»/S4) JACOBS ENGNEB8NG GROUP WC. ADVAWCID tUTf MS DTVISIO*. AiSVQUIDQUf Off RATIONS BOREHOLE/WELL CONSTRUCTION LOG SITE m:.*PU~&\ LOCATIOM ID; tfZ£> FIELD RgP; 0'{!*&**«' APPROX. 8ITE COORDINATES (FT.): N-J&L__ g ^ GROUND ELEVATION (FT. MSL):_M£ ..COMPLETION HATP; ^/W^7 (BOREHOLE SUMMARY CONSTRUCTION TIME LOG DRILLER: Sur*te€ ffrieefaSrjM'leHtnU' START ACTIVITY END TIME RIG TYPE: *7& AfX Sete v J£&. 7?#A6, s*/g _2£ 6fA*&tT' $*/H V£ LOAT&Z. CASING fa CASING SUMMARY FILTER PACK &/s>Jtn CASING! DIA. END* /•/* TYPE* DESCRIPTION (in.) DEPTH fit? ISEAL f 5<^ V^ JT-TTITI 0 5"- If* e £*/ ^2? ^/<£ glrt/3k- f ^•^ BACKFILL 3't 4*k*/p Pn, .t • P-Protaetiva S-Screen t-ftlanfc O-Opan WH*on e Depth from Tpp of Casino WELL CONSTRUCTION WELL DEVELOPMENT EWt TYPE IOEPTH CODE* DESCRIPTION * ^>gzu? r7Z- -r£e/rtfA>-r~ £&ouT~ ML 1*% COMMENTS: 3&/g? fonJ frf) tifafcl &*+>*/»te-k 4*** ,*rrSfaX)-L ££>' fife) (&*>~e/jt> B*M U 4*' .• -i»e*m • -•••i r - Piter Part • Depth from ©round Surface JE0-AL-IW0-1 Ct/M) JACOBS B*aNEB*NG GROUP NC AOVANCtO STSTIWt MVIStOM, AIMMUEMUE 0*11**0*1 WELL COMPLETION RECORD t SITE ID: J?S££L_ LOCATION ID: *?Zf _ DATE INSTALLED: *IH' U"2 APPROX. 8ITE COORDINATES:CFT.) M ^^ E O^ OPEN AREA .PER LINEAL FT. (IN2/FT.) J2J&J&— FORMATION OF COMPLETION? l*?A$/n&+ FIELD PPP • &< 4Uu»w*1~ np„ , wJK/pg^ &*Teee*6& /jfrfavc77^ r T WELL CASING DIAMEJER (In) WELL CASING 6ol Hb pi/C TYPE HOLE DIAMETER (In) HT. ABOVE JGROUND (ft) GROUND SURFACE 75^ p«W BACKFILL TYPE &•£&*' SEAL W/w^M TYPE "fZUHr* SLOT SEAL I OPENING LENGTH /,2^ (ft) (In) TOTAL CASING DEPTH A77 ja^i (ft) LENGTH m (ft) OPEN OR FILTER SLOTTED PACK LENGTH TYPE (ft) FILTER PACK LENGTH lA.vs' :•:•:•:• .>".' (ft) BLANK Z'tf LENGTH (ft) m COMMENTS: JEG-AL-ENO-* U/M) ^ JACOBS &JGNEERNG GROUP NC. AOVAMCID SYSTEMS DfVIStON, AUUOUIMUI OfftATIONS BOREHOLE/WELL CONSTRUCTION LOG SITE ID: J25f-£L_LOCATION ID;_f2l_ FIELD ftEP: CHJo.** few, , ss— APPROX. 8ITE COORDINATES (FT.): * *^ g >OAL . OROUND ELEVATION (FT. MSL):_£2£&__COMPLETION PATF? l/v/ED BOREHOLE SUMMARY CONSTRUCTION TIME LOG DRILLER: /^frV/Z/fr START ACTIVITY END TIME RIG TYPE: fak/ntt 51^ DATE TIME HOLE END • FLUID DRILLING BIT TYPE DIA. P H ihfen On") fffJ TYPE ^r****- V /&£> /(//x^fuij^ t LLCL a)Aj»s>~-A .£ ./£. CASING 1/1/21 f •&? CASING 8UMMARY FILTER PACK f/rfsr> & I /* CASING] DIA. END* TYPE* DESCRIPTION (In.) DEPTH •Z&- mi SEAL /<> ,0*/ JL 8 2!!i £ GsA t/Z> Me B?*~/<^ 7^2T JL BACKFILL iP -,€£- S^Lc/P . ^^vS/^^/i/C /g//75" <3 z-ie//>flrr OTHER • F-**ot»ctlv« fi-3cr#»n l-Kank O-Opan "iTNon « • D»pth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT TYPE EW5 CODE* DESCRIPTION IOEPTH 6^,^. Aw- ^g^. 2*^ '&r*re>K> tf& p^^a^ 32-7^ S'tZ 4/£,t*& "£«»/-> P 1£Z COMMENTS: .• - ftaefcfB • ••••I P - ntm Pick Dopth frpm Ground Surfae* AL-ENO-1 C»/»4) / JACOBS ENGNEB8NG GROUP NC. A0VAMCI& mtlMS WVtStON, ALSUttUEMUE OHiATtOHl WELL COMPLETION RECORD SITE ID:^S^i_ LOCATION ID:_2S£__ DATE INSTALLED: ^/'°fg? APPROX. 8ITE COORDINATES:(FT.) M NK. E A//< OPEN AREA .PER LINEAL FT. FIELD REP.: aifo,>Lt*.e\/ts PR 1LL PRr Su^teZ. ?£*>*ff/e.fZ> TOTAL DEPTH CASING (ft) LENGTH (ft) COMMENTS: JEO-AL-ENO-3 <*/«4) JACOBS ENGINEERING GROUP INC. AOVANCID trSTEMS DTVKtOM, AUUOUtWUI OPf BATONS BOREHOLE/WELL CONSTRUCTION LOG SITE tGiSPk~0l LOCATION ID; 436 FIELD ftEPr/Q- jhl^Au'9*~~ APPROX. SITE COORDINATES (FT.): " M*- E >^ GROUND ELEVATION (FT. Mfti * MC .COMPLETION PATC? *?//*/87 BOREHOLE SUMMARY CONSTRUCTION TIME LOG DRILLER: g-'fallA £$*„,** START ACTIVITY END TIME RIG TmT7£j*£# 73?/ DATE TIME *T HOLE END • FLUID DRILLING f/ivten ^psr BIT TYPE HA. TYPE fInJL Ml ^r &Wf,Yv-fKe, _OL JJL ^*L, A*V &rfy•&.',u>.. £. /*"7 ^A CASING //. II CASING SUMMARY 2< FILTER PACK // // vr CASING DIA. END* TYPE* DESCRIPTION (In.) >EPTH fit? , SEAL f £L S~ //« & &kW ri/c khvL JL •2*1 BACKFILL 12. % 5 6 th HP ft/C - ***>**- V y*T 'pv* J OTHER P-*ret»ctiv» «-8cf«»n t-tlcr* ©-Op»n *M-Non« • Dtpth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT TYPE CODE0 DESCRIPTION f~> /7&dw^/6>toJ7h/ XStiff 2L 70 7 f> H^'tr COMMENTS: • - B»efc» • -•••l p - rmt *»ck • Dtpth from Ground turfac* 4EQ-AL-EN0-1 C»/»4) JACOBS &*GNES*NG GROUP WC. A&VAMMO SYtTIMS DTVtDOM, AUUftVf MOT OftlATIONt WELL COMPLETION RECORD SITE ID i-l{k4L LOCATION ID: T3 j _ DATE INSTALLED: kits/**. APPROX. 8ITE CO0RDINATE8:(FT.) N. 2L^ l-Jj/t!Z_ OPEN AREA .PER LINEAL FT. (IN*/FT.) ±k FORMATION OF COMPLETIOM? lJ«wLk" FIELD REP.; ,Tpntir .DRILLER: fettles £t*ar /S Jto»*fe WELL CASING DIAMETER (In) WELL CASING SltetVc TYPE HOLE DIAMETER (in) I. JHT. ABOVE ^fcC H ^^(GROUND (ft) GROUNP SURFACE 7 W#^ ^^.;/J «< BACKFILL TYPE de*evt -Ltifoafe. SEAL 4- TYPE BLOT SEAL OPENING LENGTH (ft) (in) TOTAL DEPTH 1 CASING (ft) m lOQ LENGTH (ft) OPEN OR FILTER SLOTTED PACK LENGTH TYPE (ft) FILTER PACK LENGTH (ft) BLANK LENGTH (ft) COMMENTS: JFA> PRlLLgR:'S^U £t*>* /fMeore. START ACTIVITY END TIME RIG TYPE: WU, OtMl R -*? PATE TIME HOLE END O DRILLING BIT TYPE PIA.' FLUID f*/'*/** ?* r jtaSay £ A JLL /l<*>ftC -tV.**'*' 111 4.i/> CASING I2-/1 CASING SUMMARY FILTER PACK INDT W 12 CASING DESCRIPTION DIA. TYPE* (In.) DEPTH SEAL (2/l 2- 5p?e( C»S.kN , 3 5Tt' tft.u^7 t SL 5ek H OTHER • P-Prot»ctivt 6-Scratn t-Biank O-Optn N-Nont • Otpth from Top of Casino WELL CONSTRUCTION WELL PEVELOPMENT TYPE DESCRIPTION DfPTH CODE* 1L1 Cg>PCr- L^At'-tg qfOtM" 211 (gftdguk- y [[c\f_ f laL ffHl C/^A S*<^ TV COMMENTS:. ( • • - Backf* • - Soal F - F«t«r Paek * Depth from Ground Surfact JEC-AL-ENO-1 (»/»4) |C JACOBS B^GNERNG GROUP WC. Wfc AOVAMCIDSYSTEMSMVISION, AlllttUEMUfOMtATiONS WELL COMPLETION RECORD SITE IDS^Sl: LOCATION ID: 31.SL DATE INSTALLED: J2JW£2. APPROX. SITE COORDINATES:(FT.) N AJ/fr- OPEN AREA .PER LINEAL FT. (IN2/FT.). v/tc FORMATION OF COMPLETION; lyiJ«>**«» i^U FIELD REP.: iTf^'Hr PBIII PR- 6 BACKFILL TYPE f:. ***** SEAL TYPE SLOT SEAL LENGTH OPENING (ft) (in) TOTAL DEPTH CASING (ft) IM m LENGTH! (ft) OPEN OR FILTER SLOTTED PACK rife* *»4i LENGTH TYPE ma (ft) FILTER PACK LENGTH IL (ft) mi BLANK ^T LENGTH (ft) K COMMENTS: drtlUl 1& 1H* - 3 CAV*> -ic JEC-AL-ENO-3 (3/i4) t JACOBS B4&NEBVNG GROUP INC. JE AOWMCio trtriMt BTVUIOM. AuuiuiMut etmnoMt BOREHOLE/WELL CONSTRUCTION LOG i SITE lP-Sj,fcg OTHER • P-Prottctivt 8-fcraan B-Biank ©-©pan tr-Non* • Dapth from Top of Caalno. WELL CONSTRUCTION WELL DEVELOPMENT TYPE END* DESCRIPTION DEPTH ^^kt-* //^' r-ytc ijtf-^g CODE* Pi) Po /P, <££ *C ' JL fowaJ-^Jafltt ^fetO" ILL ESJL 0 COMMENTS: 'B - Baekf« • - Baal F - Fftar »ack • Dapth from Ground Burfaea JE0-AL-EN0-1 (8/»4) JACOBS WGNERNG GROUP NC. IZ> BE ADVAMeto SYSTEMS WVISIOM, AIIU«UEMUE OKIATIONS WELL COMPLETION RECORD SITE ID; WELL CASING WELL CASING DIAMEJER (in) T\JC SCH yo TYPE HOLE DIAMETER (In) HT. ABOVE JGROUND (ft) GROUND 8URFACE 7WTi1 <*w BACKFILL TYPE 9tro xjt SEAL TYPE SLOT SEAL OPENING LENGTH //.? (ft) (in) TOTAL DEPTH I3&10 ^-CASING •S:3 /Z (ft) ^ULENGTH (ft) OPEN OR FILTER SLOTTED PACK S/t^/e A. LENGTH TYPE (ft) FILTER -:•>• PACK 36. O LENGTH :•:•?• (ft) si ••%•••' :•'•:•:: BLANK 2.4" LENGTH (ft) COMMENTS: JEG-AL-ENQ-3 (3/t4) » JTr iACOBS EN9NEB8NG GROUP «NC. (VL, AOVANCID STSTf MS DTVISIOM, AlSUOUtlttltt Off tATIONS /o BOREHOLE/WELL CONSTRUCTION LOG ftlTF ID? APPOOJT. aire eoooniwATtft (PT v *« •** F WVi- GROUND ELEVATION (FTr **««>. *>,* ,.„COMPLETION BATF; >"2-'S-'yT 0OREHOLE SUMMARY CONSTRUCTION TIME LOG DRILLER: "S, Ik p. wi IW. 9-T" 8TART ACTIVITY END TIME RIG TYPE: ._ OATE TIME HOLE END • DRILLING FLUID "7-2.*-»*" BIT TYPE TYPE CASING SUMMARY FILTER PACK END* -• CASINC1 DESCRIPTION DIA. DEPTH TYPE* (in.) (ft.) SEAL O F/urrr'i AJO cnz/K/& — I33T B OTHER • P-Protoetivt «-Scr»»n •-•tank O-0p*n %hHorf • D*pth from Top of Casino WELL CONSTRUCTION WELL DEVELOPMENT END* TYPE DEPTH CODE* DESCRIPTION fit.) F S-/Z i>ittctk /3S-.0 5 &e«-U7,;A s*<~('//?J. no B b<~\ fce>\ ( fr. 'Cecte* *~ =»#*>«•( 87.iT , COMMENTS: • • -•aokfll • -*»•! F-Flrfirt • Depth from around Surface JEO-AL-ENQ-1 C9/»4) JACOBS BYGNEB3NG GROUP NC. ADVANCE* SYSTEMS DIVISION, AltlWUIMUt OKtATIONS WELL COMPLETION RECORD SITE ID: SPK-lb LOCATION ID; 4% 4 DATE INSTALLED:JzlLill. APPROX. SITE COORDINATES:(FT.) N -fclK E DiK OPEN AREA*ER LINEAL FT. fl^/cr % (V/r"- Yo") * FORMATION OF COMPLETION: Ujfis*-rcL d*f FIELD PPP- Xs. •MfeT-Z.L6rfL DRILLER: "R^NHH^T WELL CASING DIAMEJER (in) WELL CASING T^ic scti. HO TYPE HOLE DIAMETER (in) HT. ABOVE JGROUND (ft) GROUND SURFACE 7 ^m^\ •:f**W BACKFILL TYPE -fc row * SEAL TYPE SLOT 8EAL ± OPENING LENGTH US' (in) (ft) TOTAL DEPTH CASING I30.O '& m^r in.g' (ft) LENGTH (ft) OPEN OR FILTER •SXi SLOTTED PACK LENGTH TYPE m (ft) FILTER PACK 35.0 LENGTH (ft) m BLANK Z.£ LENGTH (ft) *-';!v;I COMMENTS: JEG-AL-ENQ-3 (3/*4> JACOBS BNGNEKNG GROUP INC. ADVANCtD trSTIMf DIVISION, AUVOUIWiUI Off IATIONS ? BOREHOLE/WELL CONSTRUCTION LOG SITE IP- SPK-1S LOCATIOM IP; qi>4 FIELD REP:. *E>. MST^-L^R. APPROX. SITE COORDINATES (FT.): N_ Ml*- NK GROUND ELEVATION (FT. MSL):_Jl^ .COMPLETION PATtr? 1--2S-S8 (BOREHOLE SUMMARY CONSTRUCTION TIME LOG START ACTIVITY END TIME RIG TYPE: S^ \^o \2S>T**-~( DATE TIME HOLE END • FLUID DRILLING BIT TYPE TYPE TO" MT-Sf 7 "°..M '12.1 Cow^ 7 9 A' 2o A-IR_ (4-«».«-%.»J&A TO/ to wfe 7 7s /20 WArTEE y A-(K. CASING >if-I-r /6 % Ili"^ CASING SUMMARY FILTER PACK -)-z_r- ST"? I O °.^ CASING DIA. END* TYPE* DESCRIPTION DEPTH (in.) 1 Pit? SEAL >if*s [D S' '-.^ A/ srircA s-wjr> 4 Uo.O T^g Serf 4-Q Sl/sSP-f-CA-f H.O in.g" 1 3 BACKFILL I-T-X-TZ /z*0z" /"7>* •S. tl •• SCfte.^ i/s-.o joZ'.o DEVELOPMENT P 8>"r.D 6 'J*t*f s-h'il 6% 6.o OTHER • P-*Yot*etiv« 0-8er*«n t-fttar* C-Op»n "H-Nor* 1 Depth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT TYPE IOEPTH CODE* DESCRIPTION g-'Z. ItcicA jH^o /3b.O // /c«?k«//& 5/r-f. ?C//r£ 3.o COMMENT8:„ • -•aefcfll • -••at r - Pftar Pack • Depth from Oreund Surface JEO-AL-ENO-1 (8/»4) JACOBS &4GNERNG GROUP NC. r ADVAMCED SYSTEMS DIVIStON, AUUtUEMUE OKtATIONS WELL COMPLETION RECORD SITE ID; SPK-15" LOCATION ID; q3jT OATE INSTALLED: 9~/?-gg APPROX. 8ITE COORDINATES:(FT.) N A//C E A/K OPEN AREA .PER LINEAL FT. (I^vci-) /^/r"- 4^ *0 *" /# FORMATION OF COMPLETION: Wfi BACKFILL TYPE 6TJZQOT SEAL TYPE SLOT SEAL OPENING LENGTH (in) (ft) TOTAL CASING DEPTH 130.0 /ZZ-- (ft) LENGTH (ft) OPEN OR FILTER SLOTTED PACK s/ucA LENGTH TYPE (ft) FILTER PACK 3V.O LENGTH (ft) BLANK LENGTH H (ft) T lo.o / COMMENT8: A?*^ i-^ttr U*JO^Z SO^IP - /c.o &/tc-o *// g-/2 siuth JEQ-AL-ENQ-3 (J/14) JACOBS ENGireBaNG GROUP NC. hJE AOVAMCID SrSTtMS WVWOK. AlOVOUf ttiUf OffIATIOMS r BOREHOLE/WELL CONSTRUCTION LOG SITE IP; SP<-\£- LOCATION IP; ^35" FIELD BgP; ~S>. IvnrrSiL^^. APPROX. SITE COORDINATES (FT.): N. JUL. JiiC. GROUND ELEVATION (FT. MSL):_&L. .COMPLETION PATP; >i^yy BOREHOLE SUMMARY CONSTRUCTION TIME LOG START DRILLER: R^ttNiti-^PT- ACTIVITY END TIME RIG TYPE: h.?>. 1'g Wb R.emMa.y DATE TIME HOLE END • DRILLING «7 »C OIA. p H FLUID 7-/ ^/^VTEg- H JO**** CASING //'%H 3 CASING SUMMARY FILTER PACK 7-/f-^ }/ ° -* END* CASINGJ DESCRIPTION DIA. TYPE* (in.) «S" /Z f>*t SEAL ->/^~?2 // B WC scK fo 4.0 nz.S~ " SC£t6:tJ IZO.O 1 VO 2 />* BACKFILL T-zf-SS* G a tr /( 1 I O.O DEVELOPMENT OTHER P-Prot«ctfv« B-Scron •-•lank O-Opan "it-Nona 1 Dapth from Top of Castas WELL CONSTRUCTION WELL DEVELOPMENT |RT5T TYPE IDEPTH CODE* DESCRIPTION /^ g J/?g*C5 / g-/2 5>l/f/t S^b !3o.O ^ 3 s/vis/ ^/c>?//c lr 94.0 0_ beA-hnr/t -cefYiescfcfirovSk S7^ COMMENTS:. • -»•<*« • -•••i F - War «*e* • Dapth fro* Ground Surfaca JEQ-AL-ENO-1 ff/M) JACOBS B^GNERNG GROUP NC. ADVANCED SWIMS DIVISION, AUVftUEMUI OKIATIONS WELL COMPLETION RECORD SITE ID:_£I£li£_ LOCATION ID; "J3k DATE INSTALLED; 7-/^~gg APPROX. SITE COORDINATES:(FT.) u A//< cE A/K^ OPEN AREA .PER LINEAL FT. IW&ivc /* fo " V.o)^*- 20*/h % ' *-&T*> TT*. (FORMATION OF COMPLETION- i*//^#rcH -£rt. FIELD PPP- ^ WTtt-^P. PRILICR- -Bke.NttArR.-r WELL CASING DIAMEJER (in) WELL CASING TYPE HOLE DIAMETER (ln)| g,o GROUND SURFACE '^^ :.&$&$ • ..< BACKFILL TYPE SEAL TYPE SLOT SEAL OPENING LENGTH (ft) (in) TOTAL CASING DEPTH /_[%£ 102. £ (ft) i^Em LENGTH (ft) (j/ lor MA ) OPEN OR FILTER SLOTTED "BOTTOM O£ PACK S/LitA g- 12. LENGTH TYPE m± (ft) FILTER 8§~ PACK 26.fT LENGTH (ft) BLANK ?-f LENGTH KI (ft) COMMENTS: /M.S Jipi'^ tv /0?>f c/^/J: DRILLER: B> K*vi WrK *.T START ACTIVITY END TIME RIG TYPE: *r.V*. IS" Wt> DATE TIME HOLE END • DRILLING 7-/*T BIT TYPE DIA. FLUID fin.) TSCT TYPE VJlUti B lT &7i zo.o ' *-/"£ T&J-COK/& 7 7* Vo.o AIR, // /' n //?.r CASING 7-/£ II «H CASING SUMMARY FILTER PACK // END* CASINC1 DIA. TYPE* DESCRIPTION DEPTH (in.) (ft.) n i i *•" SEAL B P^C <^CV\ /\© *" ioz.g* ( 5 /, H t <=i%o 2 pi BACKFILL /' // /TA» D ,, n .i v" gl.o DEVELOPMENT OTHER • P-Protaetiva «-Seraan B-Blank O-Opan "aFNona • Dapth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT TYPE END* CODE* DESCRIPTION °ff?JH 3 6-H S\\'\Cs. S*-«*e\. //7.6" HM. r2»«/ *>/•••»£• J** Cfci.«j i^» r>" <> "B^A-U-n'vArO "?t-U«.*bsf 103.0 F S-Vl* s\Uc^ «>wocL • B - •aekfl t - »aal F - Fftar Pack • Dapth from Oroun* Surfaca j VEQ-AL-EHO-1 (ft/M) "IF JACOBS B4GNERNG GROUP NC. llfc AOVANCtO SYSTEMS MVISION. AUVtUEMUE OKtATIONS WELL COMPLETION RECORD SITE ID; g-Ptt-lS~ LOCATION ID: ^3,7 DATE INSTALLED; ehft-'*lS APPROX. SITE COORDINATES:(FT.) M >v# CE ^ OPEN AREA .PER LINEAL FT. BACKFILL TYPE .*. 6n?<-> TOTAL CASING DEPTH /Oc.O <77,r (ft) LENGTH (ft) OPEN OR FILTER S-/Z. SLOTTED PACK LENGTH TYPE il /o.C (ft) FILTER && PACK l>lO LENGTH (ft) BLANK z.s* LENGTH E?l (ft) COMMENT8: &?* Ag '^/*- fe ^-g ^/7^ ; *l JE0-AL-EN0-3 (3/»4) j>- JACOBS ENGINEERING GROUP WC. " ADVANCED SYSTEMS DTVKIOM. AllVeVEMUE OPERATIONS BOREHOLE/WELL CONSTRUCTION LOG SITE ID: ^D^l£_LOCATION ID? 937 FIELD PFP.- T>. N£T?-l&Z. APPROX. SITE COORDINATES (FT.): * ^ E GROUND ELEVATION (FT. Mfii \. //!*- CQMPLPTIQM DATC? 7-/g-gF BOREHOLE SUMMARY CONSTRUCTION TIME LOG BAP-hJ /+A &.T START DRILLER:. ACTIVITY END TIME RI6 TYPE: <5 Z>- /i~K/r> go7lMz. &yc'*« f-^H CASING SUMMARY FILTER PACK END* ,~ •crc CASING DIA. fO "H TYPE* DESCRIPTION (In.) V^H 5KE SEAL B rvc Serf *fO SUMf # OTHER • P-Protaetiva B-Scraan B-Blank O-0p«n "it-Nona 1 Dapth from Top of Casing WELL CONSTRUCTION WELL DEVELOPMENT TYPE CODE9 DESCRIPTION ELL. & gog*/A/6 h'AH gJ-Ur? fCC.C f* fZ SACtf/ &-/Z slue A £. If.S _£ J $*te4 b6,i-fe>i< k '/*' tc.C JL b>« 7^7/1 k - fee* ie*cf c,rc u "t~U± r COMMENT8: A^e i/***t-n sf h'ffr-^t 4- S/£' C <- ^ / ^ r^vt ^/**/l B - SaekfB • -•••I P - FMar Paefc • D*pth from ©round Burfaca £7-*^ '7 /t,^ *r.l<, '&*< DATE STARTED:. DATE COMPLETE n: Ae-f-fr FiPin RFP ?,, jL.Fi/tu4e. . thin-»aHed Shelby tube ^ DATE STARTED: L GROUNDWATER LEVELS DATE TIME DEPTH (ft.) i-io-eg gt?Q ^^ c feo T . / FIELD PPP » ? l*6T2l£r1Z 9;ac
jfc APPROX. SITE COORDINATES (FT.): N E .^^^___ GROUND ELEVATION (FT. MSi V 5^>7S CQMPLPTIOM PATE: /<2-J/- ?&> BOREHOLE SUMMARY CONSTRUCTION TIME LOG /r Uior (In.) TYPE V/UO Br^efS Ma*** WELL CASING DIAMETER (in) WELL CASING S^LH-afv TYPE HOLE DIAMETER (ln)| HT. ABOVE GROUND (ft) GROUND SURFACE 7 ^W § p?W v PK-l£- LQCATIQM |D: ^33 DATE INSTALLED: Jzllz^l. APPROX. SITE COORDINATES:(FT.) N U* E IJk- OPEN AREA .PER LINEAL FT. (1N2/FT.)_<2^LJLlSH FORMATION OF COMPLETION- (AJ^t^+<^ f~,, FIELD PPP- t)-" Mxirt-Ur- _ DRILLER; Tg^rnA^rf