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1 <br /> CALTECH Environmental Laboratories <br />' 6814 Rosecrans AvenL1C Paramount C A 90723-3146 <br /> . O Telephone (562) 272-2-700 1=a\ (562) 272-2789 <br /> QA/QC Report <br /> 1 <br /> Method 8015M /8021 B <br /> Matrix Water <br /> Date Analyzed 9/1/04 <br />' Units ug/L <br />' Perimeters LSC LCSD Spike LCS% LCSD % Limits RPD <br /> ! Added Rec Rec <br />' Benzene 45 44 50 90 88 70-130 2 <br /> toluene 44 45 50 88 90 60-140 2 <br /> Eth benzene 49 1 52 50 98 104 60-1406 <br />' Xylenes 134 141 150 89 94 60-140 5 <br /> ` <br /> , PH - Gasoline 1020 1011 1 1000 102 101 60-140 1 <br /> LCS Laboratory Control Standard <br /> '-LSD Laboratory Control Standard Duplicate <br />' SPD Relative Percent Difference of LCS and LCSD <br /> I <br /> I <br /> I <br /> I <br /> I <br /> TOTAI LY DI.DICAI LD TO CUSTOMER SATISFACTION <br />