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CALTECHEnvironmental Laboratories <br />' 6814 Rosecrans Avenue Paianiount CA 90723-3146 <br /> • O Telephone (562) 272-2700 Fax (562) 272-2789 <br /> 1 <br /> QA/QC Report <br /> 1 <br /> Method 8015M <br />' Matrix Water <br />' Date Analyzed 8110105 <br /> Date Extracted 8110105 <br />' Perimeters Conc u IL Spike Recovery— % Control Limits RPD <br /> 9 � <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> TPH -Gasoline 980 1 945 1000 98 1 94 70-130 20 4 <br /> TPH - Diesel 2146 2097 2000 107 1 105 70-130 20 2 <br /> Perimeters Method Units Det <br /> Blank Limit <br /> TPH - Gasoline ND ug/L 50 <br /> TPH - Diesel ND ug/L 50 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> IRPD Relative Percent Difference of LCS and LCSD <br /> I <br /> I <br /> I <br /> I <br /> I <br /> TOTA1 LY DEDICAl LD TO USTOMCR SATISFACTION <br />