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r <br /> CALIFORNIA LABORATORY SERVICES y <br /> 07/23/04 15 28 <br /> ENSR-Sacramento Project Former Unocal 5098,5606 RcS W rV8rod hrW" G0602 <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-293-100 COC# 1,2 <br /> Sacramento,CA 95827-2508 Project Manager Ben 1 Hentngburg <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> 1 <br /> Reporting _Spike - Source ' %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch CN05613-EPA 5030 Water MS <br /> Blank(CN05613-BLKI) Prepared&Analyzed 07/19/04 <br /> 13 5-Tnmethylbenzene ND 050 gg/L <br /> Vinyl chloride ND 1 0 <br /> Xylenes(total) ND 10 " <br /> Surrogate 12-Dichloroethane-d4 119 100 119 66-150 <br /> Surrogate Toluene-d8 114 100 114 72-125 <br /> Surrogate 4-Bromofluorobenzene 110 10 0 110 73-125 <br /> LCS(CN05613-BS1) Prepared&Analyzed 07/19/04 <br /> Benzene 18 4 0 50 pg/L 200 92 0 60-135 <br /> Chlorobenzene 193 - 0 50 200 - 965 60-133 <br /> 1,1-Dichloroethene 171 050 200 85 5 42450 <br /> Toluene 193 050 20 0 965 60-137 <br /> Trichloroethene 183 0 50 200 915 62-140 <br /> Surrogate 1 2-Dtchlomethane-d4 113 100 113 66-150 <br /> Surrogate Toluene-d8 10 7 100 107 72-125 <br /> Surrogate 4-Bromofluorobenzene 104 100 104 73-125 <br />— LCS Dup(CN05613-BSD1) - -- -- Prepared&=Analyzed 07/19/04 - <br /> Benzene 16 7 050 gg/L 200 83 5 60-135 969 25 <br /> Chlorobenzene - T - - - ,17 9 - -0 50 "T 20 0 - - 89 5 60-I33 7 53 25 { <br /> 1,1-Dtchloroethene 15 7 0 50 200 785 42-150 854 25 <br /> Toluene 179 050 200 895 60-137 7 53 25 <br /> -Trichloroethene -` - _- - - 173 0 50- - - 200- - - 865 62-140 562- '25 <br /> Surrogate 12-Drchloroethane-d4 II 5 100 115 66-150 ' <br /> Surrogate Toluene-d8 112 10 0 112 72-125 <br /> Surrogate 4-Bromo luorohenzene 104 10 0 104 73-125 <br /> r <br /> r <br /> r <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www cahfornialab com 916-638-7301 Fax 916-638-4510 ' <br />