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CALIFORNIA LABORATORY SERVICES ' <br /> x- <br /> 09/29/04 13 30 ' <br /> ENSR-Sacramento Project Former Unocal 5098,5606 ppaac�f����A�ve&r0Skt0R' <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-293-100 CLS Work r er 10746 <br /> Sacramento,CA 95827-2508 Project Manager Ben I Heningburg COC# 41080 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control ' <br /> Reporting Spike Source %REC RPD <br /> An Result Limit Units Level Result °/6REC Limits RPD Limit Notes ' <br /> Batch CN07467-EPA 5030 Water MS <br /> Blank(CN07467-BLKI) Prepared&Analyzed 09/27/04 1 <br /> 1,3,5-Tnmethylbenzene ND 050 lig/L <br /> Vinyl chloride ND 10 " <br /> Xylenes(total) ND 10 II <br /> Surrogate 12-Dichloroethane-d4 110 100 110 66-135 <br /> Surrogate Toluene-d8 966- 100 966 72-125 <br /> Surrogate 4-Bromofluorobenzene 102 100 102 73-125 <br /> LCS(CN07467-BSI) Prepared&Analyzed 09/27/04 <br /> Benzene 200 050 pg/L 200 100 60-135 <br /> Chlorobenzene 199 050 200 990 60-133 <br /> 1 I-Dichloroethene 226 050 200 113 42-150 �' <br /> Toluene 197 050 200 985 60-137 <br /> Tnchloroethenc 207 050 200 104 62-140 <br /> Surrogate 12-Drehloroeihane-d4 106 100 106 66-135 <br /> Surrogate Toluene-d8 997 100 997 72-125 <br /> Surrogate 4-Br5mofluorobenzene 9 93 100 993 73-125 <br /> - LCS Dup(CN07467-BSDI) Prepared&Analyzed 09/27/04----- <br /> Benzene <br /> 9/27/04-- —Benzene 200 050 ug/l- 200 100 60-135 000 25 <br /> Chlorobenzene--- ---- - -- - - --198-----050 - 200-- - T -990---60-133---000-- -25-- - - - <br /> I,1-Dichloroethene 222 050 200 1 1 1 42-150 179 25 <br /> Toluene 197 050 200 98 5 60-137 000 25 <br /> ,uw ,Trichloroethene _ _ _ 21 1 050 _ 200 w 106 62-140- 1 9l- - 25 s <br /> Surrogate 1 1-Dichloroethane-d4 105 100 105 66-135 ' <br /> Surrogate Toluene-d8 9 76 100 976 72-125 <br /> Surrogate 4-Bromofluorobenzene 9 71 100 971 73-125 <br /> CA DOHS ELAP Accreditation/Registration Number 1233 1 <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www californialab.com 916-638-7301 Fax 916-638-4510 <br />