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1 <br /> CALIFORNIA LABORATORY SERVICES <br /> �S tQ X�11p22�/16/03 09 14 <br /> ENSR-Sacramento Project Farmer Unocal 2859, 1665� 1-jf r�ceO t8er#nCML0104 <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-357-100 <br /> Sacramento,CA 95827-2508 Project Manager Ben Hentngburg COC# <br /> GasBTEX 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 /> Batch CL30507-EPA 5030 Water GC <br /> Blank(CL30507-BLK1) Prepared&Analyzed 12/04/03 <br /> Gasoline ND 50 pg/L <br /> Benzene ND 0 50 " <br /> Toluene ND 0 50 <br /> Fthylbenzene ND 050 <br /> Xylenes(total) ND 1 0 " <br /> ' Surrogate o-Chlorotoluene(Gas) 199 200 995 65-135 <br /> LCS(CL30507-BSI) Prepared&Analyzed 12/04/03 <br /> Gasoline 479 50 µg/L 500-958 65-135 <br /> IRrrogate o-Chlorotoluene(Gas) 191 200 955 65-135 <br /> CS Dup(CL30507-BSDI) Prepared&Analyzed 12/04/03 <br /> Gasoline 457 50 gg/L 500 91 4 65-135 470 30 <br /> Surrogate o-Chlorotoluene(Gas) 187 11200 935 65-135 <br /> Matrix Spike(CL30507-MS1) Source CML0053-01 Prepared&Analyzed 12/04/03 <br /> Gasoline 497 50 gg/L 500 ND 994 65-135 <br /> Surrogate o-Chlorotoluene(Gas) 190 11200 950 65-135 <br /> Matrix Spike Dup(CL30507-MSDI) Source CML0053-01 Prepared&Analyzed 12/04/03 <br /> Gasoline 482 50 pg/L 500 ND 964 65-135 3 06 30 <br /> Surrogate o-Chlorotoluene(Gas) 190 200 950 65-135 <br /> Batch CL30508-EPA 5030 Water GC <br /> Blank(CL30508-BLK1) Prepared&Analyzed 12/04/03 <br /> Gasoline ND 50 µg/L <br /> Benzene ND 0 50 " <br /> ' Toluene ND 050 11 <br /> Ethylbenzene ND 050 <br /> Xylenes(total) ND 1 0 <br /> Surrogate o-Chlorotoluene(Gas) 205 200 102 65-135 <br /> CA DOHS FLAP Accredltatton/Reglstratton Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova,CA 95742 www caltfornialab com 916-638-7301 Fax 916-638-4510 <br />