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Vestar Development Company D47223.01 March 7, 2006 Page 4 of petroleum ranged hydrocarbons, metals, and VOCs present in the soil. The analytical results of the soil samples collected from the area of the plastic AST are expected to provide data on the presence of petroleum ranged hydrocarbons, metals, VOCs, and select pesticides and herbicides. Soil samples will be collected in Geoprobe® plastic sampling sleeves. The sleeve ends will be covered with Teflon® tape and tight fitting plastic caps. The samples will then be labeled and transported under chain-of-custody documentation in a cooled ice chest to Twining's analytical laboratory for analysis. After completion of the soil sampling,the soil borings will be abandoned by backfilling with a grout slurry consistent with our SOPS. 4.3 Laboratory Analysis: Selected soil samples will be analyzed for constituents of concern. • The soil samples collected from the soil borings along the propertyboundary with the former asbestos dumpsite(SB 1 through SB 19)will be analyzed in the laboratory for asbestos by polarized light microscopy with point count confirmation using California ARB Method(CARB 435). • The soil samples collected adjacent to the on-site natural gas well will be analyzed for TRPH using US EPA Method 8015 modified, CAM 17 metals using US EPA Methods 6010B and 7471, and VOCs using US EPA Method 8260B. • The soil samples collected from the area of the plastic AST will be analyzed for TRPH using US EPA Method 8015 modified, CAM 17 metals using US EPA Methods 6010B and 7471, VOCs using US EPA Method 8260, Organochlorine pesticides using US EPA Method 8081,Organophosphate pesticides using US EPA Method 8141, and Chlorinated Phenoxy Acid herbicides using US EPA Method 8151. Twining is a California Department of Health Services certified hazardous waste laboratory (Certificate No. 1371) for the analyses outlined herein. A description of laboratory quality assurance/quality control procedures proposed for the analyses are described in the SOPs presented in Appendix A. 4.4 Technical Report: Upon completion of field and laboratory activities,a technical report will be prepared summarizing the field observations, sampling procedures, results, and findings (including the laboratory analytical reports). Evaluations will be provided regarding the presence of constituents of concern. Finally, recommendations regarding the need for further assessment and/or remedial actions will be presented. 5.0 SITE SAFETY PLAN The site safety plan for Twining personnel assigned to this project is presented in Appendix B. A copy of the Site Safety plan will be available on-Site throughout the course of field activities.