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CALIFORNIA LABORATORY SERVICES` <br /> 11/02/04 14 06 <br /> ENSR-Sacramento Project Former Unocal 5098,5606 WVoN WOS!k V'9 <br /> 10411 Old Placerville Rd,Suite 210 ProjectNumber 06940-293-100 ork r er Jfl754 <br /> Sacramento,CA 95827-2508 Project Manager Ben h Heningburg COC# 1,2,3,4 <br /> -- - TPH-Gasoline by GC FID - Quality Control <br /> Reporting Spike Source %RFC RPD` - <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch CN08267-EPA 5030 Water GC <br /> Blank(CN08267-BLK1) Prepared 10/23/04 Analyzed 10/25/04 <br /> Gasoline ND 50 µg/L <br /> Surrogate o-Chlorotoluene(Gas) 204 200 102 65-135 <br /> LCS(CN08267-BS1) Prepared 10/23/04 Analyzed 10/25/04 <br /> Gasoline 500 50 pg/L 500 100 65-135 t <br /> Surrogate o-Chlorotoluene(Gas) 213 200 106 65-135 <br /> LCS Dup(CN08267-BSD1) Prepared 10/23/04 Analyzed 10/25/04 , <br /> Gasoline 486 50 pg/L 500 972 65-135 284 30 <br /> Surrogate o-Chlorotoluene(Gass) - 211 " 200 106 _ 65-135 <br /> ) <br /> Matrix Spike(CN08267-MS1) Source CNJO728-02 Prepared 10/23/04 Analyzed 10/25/04 <br /> Gasoline 463 50 gg/L 500 ND 926 68-132 <br /> Cvrrngnly n-Chlnrnlnh,P—Arne) ')A7 " 200 1n XC ?2 <br /> ----Matrix Spike Dup(CN08267-MSDI)- Source CNJ0728-02Prepared=10/23/04=Analyzed-10125104 — <br /> Gasoline 459 50 pg/L 500 ND 91 8 68-132 0 868 32 <br /> Surrogate"a=Chlorotoluene(Gas) �- <br /> 199 20 0 -99-5 65-135 <br /> Batch CN08323- EPA 5030 Water GCS `lf - -- - -- T T ;F- <br /> Blank <br /> Blank(CN08323-BLKI) Prepared 10/25/04 Analyzed 10/26/04 <br /> Gasoline <br /> ND 50 <br /> Surrogate o-Chlorotoluene(Gas) 201 200 100 65-135 <br /> LCS(CN08323-BSI) Prepared 10/25/04 Analyzed 10/26/04 ' <br /> Gasoline 459 50 pg/L 500 918 65-135 <br /> -4 <br /> Surrogate o-Chlorotoluene(Gas) 206 200 - 103 65-135 - <br /> • <br /> 1 <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www californialab corn 916-638-7301 Fax 916-638-4510 <br />