Phase I Environmental Site Assessment Of
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PHASE I ENVIRONMENTAL SITE ASSESSMENT OF VACANT LAND 101 UPTON ROAD ORINDA, CONTRA COSTA COUNTY, CALIFORNIA 94563 DGC PROJECT NO. 09.10080.0001 MARCH 6, 2009 PREPARED BY: DIABLO GREEN CONSULTING INC. 231 MARKET PLACE #186 SAN RAMON, CALIFORNIA 94583 TELEPHONE: (925) 846‐9800 FAX: (925) 397‐3051 PREPARED FOR: MR. FORREST WESTIN AGEMARK ADDRESS2614 TELEGRAPH AVENUE BERKELEY, CALIFORNIA 94704 TELEPHONE: (510) 548‐6600 FACSIMILE: (510) 548‐8880 ELECTRONIC MAIL: [email protected] March 6, 2009 Mr. Forrest Westin Agemark 2614 Telegraph Avenue Berkeley, CA 94704 RE: ASTM E 1527‐05 Phase I Environmental Site Assessment Vacant Land 101 Upton Road Orinda, Contra Costa County, California 94563 Project No. 09.10080.0001 Dear Mr. Westin: Diablo Green Consulting Inc. (DGC) is pleased to provide the results of our Phase I Environmental Site Assessment of the vacant land parcel at 101 Upton Road in Orinda, Contra Costa County, California. This assessment was authorized on February 15, 2009, and performed in general accordance with ASTM E 1527‐05, Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process. This assessment included a site reconnaissance as well as research and interviews with representatives of the public, property ownership, site manager, and regulatory agencies. An assessment was made, conclusions stated, and recommendations outlined. We appreciate the opportunity to provide environmental services to Agemark. If you have any questions concerning this report, or if we can assist you in any other matter, please contact Ms. Holly Moore at (925) 846‐9800 or via electronic mail at [email protected]. Very truly yours, DIABLO GREEN CONSULTING INC. Holly D. Moore William Mitchell REA No. 07975 PG No. 6372, REA No. 02451 Professional Assessor Senior Reviewer Environmental Professional Environmental Professional PHASE I ENVIRONMENTAL SITE ASSESSMENT Vacant Land 101 Upton Road Orinda, California TABLE OF CONTENTS 1.0 EXECUTIVE SUMMARY ___________________________________________________ 1 1.1 General Information ___________________________________________________________ 1 1.2 Property Summary ____________________________________________________________ 2 1.3 Findings and Conclusions _______________________________________________________ 2 1.4 Significant Data Gap Summary ___________________________________________________ 3 1.5 Recommendations ____________________________________________________________ 4 2.0 INTRODUCTION _________________________________________________________ 5 2.1 Purpose _____________________________________________________________________ 5 2.2 Scope _______________________________________________________________________ 5 2.3 Significant Assumption _________________________________________________________ 6 2.4 Limitations and Exceptions ______________________________________________________ 6 2.5 Special Terms and Conditions (User Reliance) ______________________________________ 8 3.0 SITE DESCRIPTION _______________________________________________________ 9 3.1 Location and Legal Description ___________________________________________________ 9 3.2 Surrounding Area General Characteristics _________________________________________ 10 3.3 Current Use of the Property ____________________________________________________ 10 3.4 Description of Property Improvements ___________________________________________ 10 3.5 Current Uses of Adjoining Properties _____________________________________________ 11 4.0 User PROVIDED information ______________________________________________ 12 4.1 Title Records ________________________________________________________________ 12 4.2 Environmental Liens or Activity and Use Limitations (AULs) __________________________ 12 4.3 Specialized Knowledge ________________________________________________________ 12 4.4 Significant Valuation Reduction for Environmental Issues ____________________________ 13 4.5 Owner, Property Manager and Occupant Information _______________________________ 13 4.6 Reason for Performing Phase I ESA ______________________________________________ 13 4.7 Other User Provided Documents ________________________________________________ 13 5.0 RECORDS REVIEW ______________________________________________________ 14 5.1 Standard Environmental Records ________________________________________________ 14 5.1.1 Federal Agency Database Findings ____________________________________________________ 15 5.1.2 State and Tribal Database Findings ___________________________________________________ 15 5.1.3 Local Environmental Records Sources _________________________________________________ 17 5.2 Physical Setting Sources _______________________________________________________ 19 Project No. 09.10080.0001 i Diablo Green Consulting Inc. PHASE I ENVIRONMENTAL SITE ASSESSMENT Vacant Land 101 Upton Road Orinda, California 5.2.1 Topography ______________________________________________________________________ 19 5.2.2 Geology _________________________________________________________________________ 19 5.2.3 Soils ____________________________________________________________________________ 19 5.2.4 Hydrology _______________________________________________________________________ 20 5.2.5 Oil and Gas Exploration ____________________________________________________________ 21 5.2.6 Mining Activities __________________________________________________________________ 21 5.2.7 Other Physical Setting Sources _______________________________________________________ 21 5.3 Historical Records Sources _____________________________________________________ 21 5.3.1 Aerial Photographs ________________________________________________________________ 22 5.3.2 Fire Insurance Maps _______________________________________________________________ 23 5.3.3 Property Tax Files _________________________________________________________________ 23 5.3.4 Recorded Land Title Records ________________________________________________________ 24 5.3.5 Historical USGS Topographic Quadrangles _____________________________________________ 24 5.3.6 City Directories ___________________________________________________________________ 24 5.3.7 Building Department Records _______________________________________________________ 25 5.3.8 Zoning/Land Use Records ___________________________________________________________ 25 5.3.9 Prior Reports _____________________________________________________________________ 25 5.3.10 Other Historical Sources _________________________________________________________ 25 5.4 Data Failure _________________________________________________________________ 25 6.0 SITE RECONNAISSANCE __________________________________________________ 27 6.1 Methodology and Limiting Conditions ____________________________________________ 27 6.2 Hazardous Substance Use, Storage, and Disposal ___________________________________ 27 6.3 Underground Storage Tanks (USTs) ______________________________________________ 27 6.4 Aboveground Storage Tanks (ASTs) ______________________________________________ 27 6.5 Other Petroleum Products _____________________________________________________ 27 6.6 Polychlorinated Biphenyls (PCBs) _______________________________________________ 27 6.7 Unidentified Substance Containers ______________________________________________ 27 6.8 Odors and Pools of Liquid ______________________________________________________ 28 6.9 Nonhazardous Solid Waste _____________________________________________________ 28 6.10 Wastewater _________________________________________________________________ 28 6.11 Waste Pits, Ponds and Lagoons _________________________________________________ 28 6.12 Sumps _____________________________________________________________________ 28 6.13 Septic Systems _______________________________________________________________ 28 6.14 Stormwater Management System _______________________________________________ 28 6.15 Wells ______________________________________________________________________ 28 6.16 Electromagnetic Fields (EMFs) __________________________________________________ 28 6.17 Pesticides and Herbicides ______________________________________________________ 29 7.0 INTERVIEWS ___________________________________________________________ 30 Project No. 09.10080.0001 ii Diablo Green Consulting Inc. PHASE I ENVIRONMENTAL SITE ASSESSMENT Vacant Land 101 Upton Road Orinda, California 7.1 Interview with Owner _________________________________________________________ 30 7.2 Key Site Manager ____________________________________________________________ 30 7.3 Current and Past Occupants ____________________________________________________ 30 7.4 Local Government Officials _____________________________________________________ 31 7.5 Others _____________________________________________________________________ 31 8.0 OTHER ENVIRONMENTAL CONDITIONS _____________________________________ 32 8.1 Asbestos‐Containing Material (ACM) _____________________________________________ 32 8.2 Radon ______________________________________________________________________ 32 8.3 Lead in Drinking Water ________________________________________________________ 33 8.4 Lead‐Based Paint (LBP) ________________________________________________________ 33 8.5 High Voltage Power Lines ______________________________________________________ 33 8.6 Additional User Requested Conditions ___________________________________________ 33 9.0 DEVIATIONS ___________________________________________________________ 34 10.0 REFERENCES ___________________________________________________________