SITE CLEANUP PLAN Horton Landing Park Emeryville, California EPA Project No. BF-96921301 March 2010 Prepared for: City of Emeryville Redevelopment Agency 1333 Park Avenue Emeryville, California SITE CLEANUP PLAN Horton Landing Park Emeryville, California EPA Project No. BF-96921301 March 2010 Prepared for: City of Emeryville Redevelopment Agency 1333 Park Avenue Emeryville, California Prepared by: Erler & Kalinowski, Inc. 1870 Ogden Drive Burlingame, California EKI A90007.00 Erler & Kalinowski, Inc. Consulting Engineers and Scientists 1870 Ogden Drive Burlingame, CA 94010 (650) 292-9100 Fax: (650) 552-9012 5 March 2010 Ms. Karen Toth California Environmental Protection Agency Department of Toxic Substances Control 700 Heinz Avenue Suite 200 Berkeley, California 94710 SUBJECT: Site Cleanup Plan Horton Landing Park, Emeryville, California (EKI A90007.00) Dear Ms. Toth: Erler & Kalinowski, Inc. (“EKI”) is pleased to present this Site Cleanup Plan (“SCP”) for the Horton Landing Park property (“Site”), located in Emeryville, California. This report is being submitted on behalf of our client, the City of Emeryville Redevelopment Agency (“Agency”). This SCP describes the nature and extent of contamination at the Site, remedial action objectives (“RAOs”), and selected Site-specific cleanup goals to meet RAOs, includes a description and comparison of cleanup alternatives, and recommends a cleanup alternative for the Site. This SCP incorporates DTSC comments on the Draft Site Cleanup Plan, dated November 2009 provided by email on 1 December 2009. Included in this SCP are plans that describe the procedures required in order to implement the proposed remedial alternative. These plans serve to provide guidance for health and safety measures to be employed during soil remedial activities. The following is a list of the plans included in this SCP: • Traffic Control and Waste Transportation Plan; • Decontamination Plan; • Dust Control Plan; • Perimeter Air Monitoring Plan; • Storm Water Pollution Prevention Plan; • Soil Cleanup Sampling and Analysis Plan (“SAP”); • Quality Assurance Project Plan (“QAPP”); and • EKI Site-Specific Health and Safety Plan (“HSP”). Southern California Office • (626) 432-5900 • Fax (626) 432-5905 • Colorado Office • (303) 796-0556 • Fax (303) 796-0546 Ms. Karen Toth SCP for Horton Landing Park 5 March 2010 Page 2 It is understood that the selected cleanup contractor will be required per the Emeryville bidding documents to provide their own HSP and plan addendums, if necessary, as specified in the plans. We are pleased to have the opportunity to work with you on this project. Please call if you have any questions or wish to discuss these matters in greater detail (650-292-9100). Very truly yours, ERLER & KALINOWSKI, INC. Earl D. James, P.G. Vice President Claudia A. Cuadrado, P.E. Project Engineer Site Cleanup Plan Horton Landing Park Emeryville, California EPA Project No. BF-96921301 TABLE OF CONTENTS 1.0 INTRODUCTION................................................................................................................ 1-1 1.1 Site Description and History ................................................................................... 1-1 1.2 Site Background ...................................................................................................... 1-2 1.3 Site Geology............................................................................................................ 1-3 1.4 Site Hydrogeology .................................................................................................. 1-4 1.5 Planned Future Site Use .......................................................................................... 1-4 1.6 Site Cleanup Plan Organization .............................................................................. 1-5 2.0 SUMMARY OF INVESTIGATIONS RESULTS ............................................................ 2-1 2.1 Soil Analytical Results ............................................................................................ 2-1 2.1.1 Soil Screening Criteria ............................................................................. 2-1 2.1.2 Metals ....................................................................................................... 2-1 2.1.2.1 Arsenic ......................................................................................... 2-1 2.1.2.2 Barium.......................................................................................... 2-2 2.1.2.3 Cadmium ...................................................................................... 2-2 2.1.2.4 Cobalt ........................................................................................... 2-2 2.1.2.5 Copper.......................................................................................... 2-3 2.1.2.6 Lead.............................................................................................. 2-3 2.1.2.7 Zinc .............................................................................................. 2-3 2.1.3 TPH .......................................................................................................... 2-3 2.1.4 Soil Analytical Results for SVOCs .......................................................... 2-4 2.1.5 Soil Analytical Results for PCBs, Chlorinated Herbicides, and Organochlorine Pesticides ................................................................................... 2-4 2.1.6 Soil Analytical Results for VOCs ............................................................ 2-5 2.2 Groundwater Analytical Results ............................................................................. 2-5 2.2.1 Groundwater Screening Criteria .............................................................. 2-5 2.2.2 Metals ....................................................................................................... 2-5 2.2.3 TPH and VOCs ........................................................................................ 2-6 2.3 Additional Analytical Results ................................................................................. 2-7 2.4 Waste Classification ................................................................................................ 2-7 2.5 Identified Chemicals of Potential Concern ............................................................. 2-8 3.0 IDENTIFICATION OF REMEDIAL ACTION OBJECTIVES .................................... 3-1 3.1 Identification of Potential ARARs and TBCs ......................................................... 3-1 3.2 Identification of Remedial Action Objectives ........................................................ 3-2 3.3 Site-Specific Remedial Goals ................................................................................. 3-2 3.3.1 Metal Background Concentrations .......................................................... 3-2 3.3.1.1 Calculation of a Site-Specific Arsenic Background Concentration .................................................................................................. 3-3 EKI A90007.00 i Horton Landing Park Emeryville, California Site Cleanup Plan Horton Landing Park Emeryville, California EPA Project No. BF-96921301 TABLE OF CONTENTS 3.3.1.1.1 Approach: Sample Selection ..................................................... 3-3 3.3.1.1.2 Approach: Population Analysis ................................................ 3-3 3.3.1.1.3 Results ....................................................................................... 3-4 3.3.2 Remedial Goal for Arsenic ...................................................................... 3-5 3.3.3 Remedial Goal for Lead ........................................................................... 3-6 3.3.4 Remedial Goals for TPH-d and Oil and Grease ....................................... 3-6 3.3.5 Remedial Goal for Aroclor 1260 ............................................................. 3-6 3.3.6 Remedial Goal for Dieldrin ..................................................................... 3-7 4.0 IDENTIFICATION AND ANALYSIS OF REMEDIAL ACTION ALTERNATIVES 4-1 4.1 Alternative 1: No Action ......................................................................................... 4-1 4.1.1 Effectiveness ............................................................................................ 4-2 4.1.2 Implementability ...................................................................................... 4-2 4.1.3 Cost .......................................................................................................... 4-2 4.1.4 Compliance with ARARs and TBCs ....................................................... 4-2 4.2 Alternative 2: Excavation and Off-Site Disposal .................................................... 4-2 4.2.1 Effectiveness ............................................................................................ 4-2 4.2.2 Implementability ...................................................................................... 4-3 4.2.3 Cost .......................................................................................................... 4-3 4.2.4 Compliance with ARARs and TBCs ....................................................... 4-4 4.3 Alternative 3: Limited Excavation with Off-Site Disposal and Capping ............... 4-4 4.3.1 Effectiveness ............................................................................................ 4-4 4.3.2 Implementability .....................................................................................