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` DRAFT 1219 . 4203 <br /> organic compounds (S-VOCs) by EPA Method 8270, total <br /> petroleum hydrocarbons (TPH) by EPA Method 418. 1, EP <br /> toxicity metals (silver, arsenic, barium, cadmium, chromium, <br /> mercury, lead, and selenium) , chlorides, and pH. Soil <br /> samples from selected lower intervals will be analyzed for <br /> VOCs and metals. Selection of samples for analysis will be <br /> based on field readings from a portable organic vapor <br /> analyzer (OVA) and on visual examination of the sample. <br /> Groundwater samples will be analyzed for VOCs (EPA 624) , TPH <br /> (EPA 418 . 1) , EP toxicity metals, and chlorides. During <br /> developing/purging of the wells, groundwater will also be <br /> field checked for pH, conductivity and temperature. <br /> All work will be performed in accordance with the Scope of <br /> Work section of this work plan. The scope of work is <br /> formatted for use by the drilling contractor and describes <br /> how the work will be performed. <br /> DESCRIPTION OF FACILITY <br /> The Tracy facility is located in San Joaquin County at 26700 <br /> South Banta Road, Tracy, California 95376, approximately <br /> seven miles southeast of the town of Tracy, and 35 miles <br /> south of Stockton, California. The site originally operated <br /> -2- <br />