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CALIFORNIA LABORATORY SERVICES <br /> 0910$104 17 28 <br /> ENSR-Sacramento Project Former Unocal 5098,5606 pp A e to C��A, <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-293-100 C�.COC## ry41208 8er 'CNH0980 <br /> Sacramento,CA 95827-2508 Project Manager Ben I Heningburg <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control ' <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Nates <br /> Batch CN06901 -EPA 5030 Water MS <br /> Blank(CN06901-BLK1) Prepared&Analyzed 09/07/04 ' <br /> 1,3,5-Tnmethylbenzene ND 0 50 _ µg/L <br /> Vinyl chloride ND 10 " <br /> m,13-Xylene ND 050 <br /> o-Xylene 262 050 B <br /> Surrogate 12-Dichloroelhane-d4 118 100 118 66-135 <br /> Surrogate Toluene-& 941 100 941 72-123 <br /> Surrogate 4-BromoJluorobenzene 109 100 109 73-115 <br /> LCS(CN06901-BSI) Prepared&Analyzed 09/07/04 <br /> Benzene 195 0 50 pg/L 200 975 60-135 <br /> Chlorobenzene 190 050 200 95 0 60-133 ' <br /> 1,1-Dichloroethene 235 050 200 118 42-150 <br /> Toluene 208 050 " 200 104 60-137 <br /> Trichloroethene 203 050 200 102 62-140 <br /> .Surrogate 12-Dichloroethane-d4 109 100 109 66-135 <br /> Surrogate TohWn_e-d8 _101 11-100 10172-125 <br /> Surrogate 4_Bromofluorobenzene - — 105 "- 100 105 73-125— <br /> LCS Dup(CN06901-BSD1) Prepared&Analyzed 09/07/04 <br /> Benzene- -- — ----- ----18 0- 0 50--pg1L-20 0 T u --= 90 0 -- 60-135-—8 00- - -25 - -- <br /> Chlorobenzene 179 050 200 895 60-133 596 25 <br /> 1,1-Dichloroethene 218 050 200 109 42-150 751 25 <br /> ___Toluene _- _ _ _ _ 194 050 200 970 60-137 -. 697 25 , <br /> Trichloroethene 189 050 200 94S 62-140 714 25 <br /> Surrogate 1 2-Dichloroethane-d4 106 100 106 66-135 <br /> Surrogate Toluene-d8 100 100 - 100 72-125 <br /> Surrogate 4-Bromofluorobenzene 106 100 106 73-125 <br /> 1 <br /> CA DOHS ELAP Accreditation/Registration Number 1233 ' <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www.californialab com 916-638-7301 Fax 916-638-4510 ' <br />