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Clayton <br /> ENVIRONMENTAL <br /> CONSULTANTS <br /> 2.4 LABORATORY ANALYSIS <br /> The selected soil samples will be analyzed using the following United States <br /> Environmental Protection Agency (USEPA) Methods: <br /> • USEPA Method 8015 for total petroleum hydrocarbons as gasoline (TPH-G) <br /> • USEPA Method 8020 for benzene, toluene, ethylbenzene, and total xylenes (BTEX) <br /> • USEPA Method 8015 for total petroleum hydrocarbons as diesel (TPH-D) <br /> • USEPA Method 8240 for VOCs <br /> • USEPA Method 8080 for PCBs <br /> • USEPA Method 418.1 for total recoverable petroleum hydrocarbons (TRPH) <br /> • USEPA Method 8270 for acid-based neutral extraction organics <br /> The groundwater will be analyzed using the following USEPA Methods: <br /> • USEPA Method 8015 for TPH-G <br /> • USEPA Method 8015 for TPH-D <br /> • USEPA Method 8240 for VOC <br /> • USEPA Method 8270 for acid-based neutral extraction organics <br /> • USEPA Method 6010 for priority pollutant metals <br /> • USEPA Method 418.1 for TRPH <br /> 2.5 REPORT PREPARATION <br /> Upon completion of the laboratory analysis, Clayton will prepare a report summarizing the <br /> findings of the investigation. A discussion of the site investigation technique, soil and <br /> water sampling, analytical results, conclusions, and recommendations will be included. <br /> 3.0 PROJECT SCHEDULE <br /> Clayton will begin scheduling the work immediately upon approval of this work plan the <br /> San Joaquin County Health Department (SJCHD). We anticipate the drilling will occur <br /> within two weeks of SJCHD approval. Well development and sampling will occur within <br /> one week of well installation. The final report will be completed within 30 calendar days <br /> after the laboratory analyses are received. <br /> This work plan prepared by: — <br /> Dariush Dastmalchi <br /> Geologist <br /> This work plan reviewed by: <br /> ohn F. argas, <br /> Supervisor, Geo 'ences and Remediation <br /> Western Operations D GFO <br /> September 8, 1994 �c�G'o�� V. �qPG�0 <br /> a <br /> N0. 5046 <br /> 3 <br /> ACTIVG\57789-00.WPN ` <br /> OF CA <br />