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i <br /> REPORT SUMMARY <br /> ANAMETRIX, INC. (408) 432 -8192 <br /> • MR. VIC CHERVEN Workorder # 9509129 <br />' UPGRADIENT ENVIRONMENTAL CONSULTANTS Date Received : 09/13/95 <br /> 4111 82nd STREET Project ID : 95006 <br /> SACRAMENTO, CA 95826 Purchase Order N/A <br /> Department GC <br />' Sub-Department TPH <br /> QA/QC SUMMARY : <br /> - All holding times have been met for the analyses reported in this <br /> section <br /> - The diesel recovery for the matrix spike duplicate on sample VM1-25 <br /> is outside of quality control limits due to the heterogeneous nature of <br /> the soil sample and the relatively high background level of diesel fuel <br /> present in the sample <br /> The concentration reported as diesel for sample VM1 is due to the <br /> presence of a combination of diesel, a heavier petroleum product of <br /> hydrocarbon range C18-C36 (possibly motor oil) , and a lighter petroleum <br /> product of hydrocarbon range C6-C12 (possibly gasoline) <br /> - The concentration reported as diesel for sample VM1-25 is primarily <br /> due to the presence of a lighter petroleum product of hydrocarbon range <br /> C6-C12 , possibly gasoline <br /> I <br /> I <br /> I <br /> IDepartme t Supervisor Date Chtmist Date <br /> GC/TPH- PAGE 2 <br />