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i <br /> r CALIFORNIA LABORATORY SERVICES <br /> 09/09/04 15 3 8 <br /> ENSR-Sacramento Project Former Unocal 2859, 1665 ffi1&0A Vdt3ektRn 0847 <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-357-100 COC# <br /> Sacramento,CA 95827-2508 Project Manager Ben I Heningburg <br /> Gas/STEX by GC PID/FID - Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> etch CN06673-EPA 5030 Water GC <br /> MINIntrix Spike Dup(CN06673-MSD1) Source CNH0847-04 Prepared&Analyzed 08/27/04 <br /> enzene 225 0 50 pg1L 200 is 105 60-140 0 445 30 <br /> oluene 223 050 200 16 104 60-140 0 893 30 <br /> Ethylbenzene 21 9 030 20 0 16 102 60-140 0 909 30 <br /> Xylenes(total) 689 10 60 0 55 106 60-140 1 15 30 <br /> Surrogate o-Chlorotoluene(BTEX) 19 7 200 985 65-135 <br /> Match CN06705-EPA 5030 Water GC <br /> SEllank(CN06705-BLK1) Prepared&Analyzed 08/30/04 <br /> Gasoline ND 50 gg/L <br /> o <br /> we <br /> e ND 0 50 '1 <br /> ND 0 50 <br /> Eihylbenzene ND 050 " <br /> ylenes(total) Nle 10 " <br /> urrogale o-Chlorotoluene(BTEX) 208 200 104 65-135 <br /> Surrogate o-Chlorotoluene(Gas) 194 200 970 65-135 <br /> MLCS(CN06705-BSI) Prepared&Analyzed 08/30/04 <br /> asolme 477 50 gg/L 500 954 65-135 <br /> Surrogate o-Chlorotoluene(Gas) 18 9 20 0 94 5 65-135 <br /> WCS Dup(CN06705-BSD1) Prepared&Analyzed_08130104 <br /> Oiasolme 486 50 pg/L 500 972 65-135 1 87 30 <br /> Surrogate o-Chlorotoluene(Gas) 19.5 1, 200 975 65-135 <br /> tatrix Spike(CN06705-MSI) Source CN1110862-10 Prepared&Analyzed 08/30/04 <br /> Gasoline 491 50 pg/L 500 ND 982 65-135 <br /> furrogale o-Chlorotoluene(Gas) 195 200 975 65-13.) <br /> I0 <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 9249 Fitzgerald Road Rancho Cordova, CA 95742 www caltfornialab com 916-638-7301 Fax 916-638-4510 <br />