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Clayton <br /> EvV IROVME\TAL <br /> COASQL AATS <br /> 3.4 LABORATORY ANALYSIS <br /> The selected soil and groundwater samples will be analyzed using the following <br /> Environmental Protection Agency (EPA) Methods: <br /> • EPA Method 8015 for total petroleum hydrocarbons as gasoline (TPH-G) <br /> • EPA Method 8020 for benzene, toluene, ethylbenzene, and total xylenes (BTEX) <br /> • EPA Method 8015 for total petroleum hydrocarbons as diesel (TPH-D) <br /> • EPA Method 8240 for volatile organic compounds (VOC) <br /> • EPA Method 8080 for PCBs <br /> • EPA Method 418.1 for total recoverable petroleum hydrocarbons (TRPH) <br /> • EPA Method 6010 for title 22 metals <br /> Table 1 represent proposed analysis for the soil samples. The proposed analytical <br /> methods for the groundwater samples are presented in the Table 2. <br /> 3.5 REPORT PREPARATION <br /> Upon completion of the laboratory analysis, Clayton will prepare a report summarizing <br /> the findings of the investigation. A discussion of the site investigation technique, soil <br /> and water sampling, analytical results, conclusions, and recommendations will be <br /> included. <br /> 4.0 PROJECT SCHEDULE <br /> Clayton will begin scheduling the work immediately upon approval of this work plan <br /> the San Joaquin County Health Department (SJCHD). We anticipate the drilling will <br /> occur within two weeks of SJCHD approval. Well development and sampling will <br /> occur within one week of well installation. The final report will be completed within <br /> 30 calendar days after the laboratory analyses are received. <br /> This work plan prepared by: <br /> —,a- '�� <br /> Dariush Dastmalchi <br /> Geologist <br /> This work plan reviewedby: <br /> ohn F. Vargas . <br /> Supervisor, G s fences and Remediation ARE D 6E0 <br /> Western Opp ions �,� F. Vq <br /> R �O <br /> 6' <br /> July 25, 1994 `P A <br /> N0. 5046 <br /> rp .Q <br /> 3 9lF OF C A1-�F�cl� <br /> AC7IVE\5680600.WPN <br />