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L114we *J K1 <br /> 11 September 2002 <br /> Dennis H. Catanyag <br /> San Joaquin County <br /> L <br /> Environmental Health Department <br /> Page 5 <br /> LSample identification for each sample <br /> L Laboratory sample number for each sample <br /> • Date and time sample collected for each sample <br /> • Preservative used (if any) for each sample <br /> • Preservative used(if any) for each sample <br /> L • Sample matrix of each sample <br /> • Type of sample container used for each sample <br /> • Any filtering performed or requested, if applicable <br /> L • Analyses requested for each sample <br /> • Name of the destination laboratory <br /> L • Signatures of all persons involved in possession of the samples; that is, <br /> "relinquished by" and"received by" <br /> • Dates and times of transfers of sample possession <br /> L • Any remarks by either sample collector or laboratory <br /> L A chain-of-custody record will always accompany samples. When transferring samples <br /> to the analytical laboratory, the individuals relinquishing and the individuals receiving the <br /> samples will sign, date, and note the time on the chain-of-custody record. A separate <br /> L chain-of-custody record will accompany each transfer of samples. The method of <br /> shipment and courier name will be entered on the chain-of-custody records. <br /> LPROPOSED SOIL AND GROUNDWATER SAMPLE ANALYTICAL METHODS <br /> Each of the four soil samples and the one grab groundwater sample, if groundwater is <br /> Lpresent in the borings, will be analyzed for the following: <br /> L • TPH-G by EPA modified Method 8015 <br /> TPH-D with silica gel cleanup by EPA modified Method 8015 <br /> • BTEX and chlorinated VOCs by EPA Method 8260 <br /> L • PCBs by EPA Method 8082 <br /> 1 <br /> l <br />