APPENDIX E Hazards and Hazardous Materials Information PHASE I ENVIRONMENTAL SITE ASSESSMENT 12761 Schabarum Avenue Irwindale, CA 91706 Assessor’s Identification Number (AIN): 8546-031-090 Prepared for: Teresa Wolfe Kaiser Foundation Health Plan Inc. 393 Walnut Street, 4th Floor Pasadena, CA 91188 Prepared by: Stantec Consulting Services Inc. 290 Conejo Ridge Avenue Thousand Oaks, CA 91361 Project No.: 185803384.200.0001 January 29,2015 Sign-off Sheet and Signatures of Environmental Professionals This document entitled PHASE I ENVIRONMENTAL SITE ASSESSMENT was prepared by Stantec Consulting Services Inc. (Stantec) for the account of Kaiser Foundation Health Plan, Inc. The material in it reflects Stantec’s best judgment in light of the information available to it at the time of preparation. Any use which a third party makes of this report, or any reliance on or decisions made based on it, are the responsibilities of such third parties. Stantec accepts no responsibility for damages, if any, suffered by any third party as a result of decisions made or actions based on this report. All information, conclusions, and recommendations provided by Stantec in this document regarding the Phase I Environmental Site Assessment (ESA) have been prepared under the supervision of and reviewed by the professionals whose signatures appear below. Prepared by (signature) Kai Pavel Geologic Associate I declare that, to the best of my professional knowledge and belief, I meet the definition of Environmental Professional (EP) as defined in § 312.10 of 40 Code of Federal Regulations (CFR) 312. I have the specific qualifications based on education, training, and experience to assess a property of the nature, history, and setting of the Property. I have developed and performed all the appropriate inquiries in conformance with the standards and practices set forth in 40 CFR Part 312. Reviewed by (signature) Thomas Walsh Geologic Project Specialist Approved by (signature) Steven C. Brady, CEG, CHG Managing Principal Hydrogeologist Project No.: 185803384.200.0001 1 PHASE I ENVIRONMENTAL SITE ASSESSMENT Table of Contents ABBREVIATIONS......................................................................................................................... I 1.0 SUMMARY....................................................................................................................1.1 2.0 INTRODUCTION ...........................................................................................................2.1 2.1 PROPERTY DESCRIPTION................................................................................................ 2.2 2.2 SPECIAL TERMS, CONDITIONS, AND SIGNIFICANT ASSUMPTIONS ............................ 2.2 2.3 EXCEPTIONS AND LIMITING CONDITIONS ................................................................... 2.2 2.4 PERSONNEL QUALIFICATIONS....................................................................................... 2.3 3.0 USER-PROVIDED INFORMATION .................................................................................3.1 4.0 RECORDS REVIEW........................................................................................................4.1 4.1 PHYSICAL SETTING.......................................................................................................... 4.1 4.1.1 Property Topography and Surface Water Flow ...................................... 4.1 4.1.2 Regional and Property Geology ............................................................... 4.1 4.1.3 Regional and Property Hydrogeology ..................................................... 4.2 4.2 FEDERAL, STATE AND TRIBAL ENVIRONMENTAL RECORDS ........................................ 4.2 4.2.1 Listings for Property...................................................................................... 4.3 4.2.2 Listings for Nearby Sites with Potential to Impact Property.................... 4.4 4.3 LOCAL/REGIONAL ENVIRONMENTAL RECORDS........................................................ 4.5 4.3.1 County of Los Angeles Public Health........................................................ 4.6 4.3.2 California Department of Toxic Substances Control (DTSC) ................. 4.6 4.3.3 Los Angeles County Department of Public Works (LADPW).................. 4.6 4.3.4 Los Angeles County Department of Building and Safety (LADBS) and Fire Department (LAFD)...................................................................... 4.6 4.3.5 Los Angeles Regional Water Quality Control Board (LARWQCB)......... 4.7 4.4 HISTORICAL RECORDS REVIEW..................................................................................... 4.7 4.4.1 Land Title Records/Deeds .......................................................................... 4.7 4.4.2 Aerial Photographs...................................................................................... 4.7 4.4.3 City Directories............................................................................................. 4.8 4.4.4 Historical Fire Insurance Maps.................................................................... 4.9 4.4.5 Historical Topographic Maps ................................................................... 4.10 4.4.6 Other Historical Sources............................................................................ 4.10 5.0 SITE RECONNAISSANCE..............................................................................................5.1 5.1 SITE RECONNAISSANCE METHODOLOGY ................................................................... 5.1 5.2 GENERAL DESCRIPTION................................................................................................. 5.1 5.3 HAZARDOUS SUBSTANCES AND PETROLEUM PRODUCTS.......................................... 5.2 5.4 INTERIOR OBSERVATIONS .............................................................................................. 5.3 5.5 EXTERIOR OBSERVATIONS.............................................................................................. 5.3 5.6 UNDERGROUND STORAGE TANKS/STRUCTURES......................................................... 5.4 5.7 ABOVEGROUND STORAGE TANKS (AST) ..................................................................... 5.4 5.8 ADJOINING PROPERTIES................................................................................................ 5.4 5.8.1 Current Uses of Adjoining Properties......................................................... 5.4 5.8.2 Observed Evidence of Past Uses of Adjoining Properties...................... 5.5 5.8.3 Pits, Ponds or Lagoons on Adjoining Properties....................................... 5.5 Project No.: 185803384.200.0001 i PHASE I ENVIRONMENTAL SITE ASSESSMENT 5.9 OBSERVED PHYSICAL SETTING ...................................................................................... 5.5 6.0 INTERVIEWS..................................................................................................................6.1 6.1 FINDINGS FROM INTERVIEWS WITH MAJOR OCCUPANTS/OTHERS .......................... 6.1 7.0 EVALUATION................................................................................................................7.1 7.1 FINDINGS AND OPINIONS ............................................................................................. 7.1 7.2 DATA GAPS.....................................................................................................................7.2 7.3 CONCLUSIONS ............................................................................................................... 7.2 8.0 NON-SCOPE CONSIDERATIONS.................................................................................8.1 9.0 REFERENCES.................................................................................................................9.1 LIST OF FIGURES Figure 1 Site Map Figure 2 Site Vicinity Map LIST OF APPENDICES APPENDIX A PHOTOGRAPHS OF THE PROPERTY AND VICINITY APPENDIX B ENVIRONMENTAL AGENCY DATABASE SEARCH REPORT APPENDIX C AGENCY RECORDS APPENDIX D INTERVIEW FORMS APPENDIX E STANTEC EMPLOYEE RESUMEES Project No.: 185803384.200.0001 ii PHASE I ENVIRONMENTAL SITE ASSESSMENT Abbreviations AAI All Appropriate Inquiry ACM Asbestos containing material AST Aboveground Storage Tank ASTM American Society for Testing and Materials CA FID California Facility Inventory Database BER Business Environmental Risk CERCLA Comprehensive Environmental Response, Compensation, and Liability Act CFR Code of Federal Regulation CNDDB California Natural Diversity Database CREC Controlled Recognized Environmental Conditions DTSC Department of Toxic Substances Control DWR Department of Water Resources EMI National Environmental Monitoring Initiative ELUC Environmental Land Use Control EP Environmental Professional EPA Environmental Protection Agency ESA Environmental Site Assessment FEMA Federal Emergency Management Agency FINDS Facility Index System ft bgs Feet below ground surface ft msl Feet above mean sea level HREC Historical Recognized Environmental Conditions LADBS Los Angeles Department of Building and Safety LADPW Los Angeles Department of Public Works LBP Lead-based Paint PCBs Polychlorinated Biphenyls pCi/L PicoCuries per liter of air REC Recognized Environmental Conditions RWQCB Regional Water Quality Control Board SWEEPS Statewide Environmental Evaluation and Planning System USDA United States Department of Agriculture UST Underground Storage Tank Project No.: 185803384.200.0001 i PHASE I ENVIRONMENTAL SITE ASSESSMENT SUMMARY January 29,2015 1.0 SUMMARY Stantec