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C <br /> tl <br /> SJCEHD Page 3 <br /> May 3, 2012 Project Number 33111-011034.01 <br /> Recovered soil cores will be examined for soil classification purposes. Soil sample head space for <br /> samples collected from various depth intervals will be field screened for total volatile organic compounds <br /> (VOCs) using a photoionization detector(PID), with the results recorded. Soil samples may be selected <br /> for analysis based on PID readings, and visual and olfactory indicators. Soil samples will generally be <br /> submitted for analysis from the direct-push borings only. One soil sample will be submitted for laboratory <br /> analysis from each of these borings. <br /> Soil samples selected for laboratory analysis will be cut from recovered plastic liners, covered with Teflon <br /> tape and plastic end caps, labeled and placed into a chilled cooler pending mobile laboratory analysis <br /> and/or transport to a fixed analytical laboratory. Chain of custody documentation will accompany the soil <br /> samples to the selected laboratory. <br /> Drilling equipment and down-hole sampling equipment will be steam cleaned or washed in a solution of <br /> non-phosphate detergent, double rinsed with tap water after each use, and allowed to dry. Rinse water <br /> and soil drilling cuttings will be containerized in 5-gallon plastic buckets or Department of Transportation <br /> (DOT)approved 55-gallon drums. The wastes will be sealed and labeled with the appropriate generator <br /> information and temporarily stored onsite for future disposal pending receipt of analytical results. Upon <br /> completion of sample collection, the borehole will be grouted in accordance with an approved method. <br /> TASK 3: LABORATORY ANALYSIS <br /> A total of three soil samples will be transferred under formal chain-of-custody documentation to a state- <br /> certified laboratory for analysis. The soil samples will be analyzed for the following constituents as noted <br /> using United States Environmental Protection Agency(USEPA)-approved method: <br /> • VOCs and Total petroleum hydrocarbons (TPH)quantified as gasoline (TPH-g) by Method 8260 <br /> • TPH as diesel (TPH-d)and motor oil (TPH-mo)with silica gel clean-up by Method 8015M <br /> • PCBs by Method 8081/8082 <br /> The laboratory analyses are proposed to be conducted on a standard five to ten business-day turn- <br /> around time. <br /> Work Plan Central Lodi <br /> 1 <br />