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r <br /> CALIFORNIA LABORATORY SERVICES <br /> 04/26/04 08 16 <br /> ENSR-Sacramento Project Former Unocal 5098, 5606 Rr- r,it 8rocfelrW E A D 0 6 0 9 <br /> 10411 Old Placerville Rd Suite 210 Protect Number 06940-293-100 COC# 1,2,3,4 <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 Notes <br /> atch CN03088- EPA 5030 Water MS <br /> k <br /> atria Spike(CN03088-MSI) Source CND0609-21 Prepared&Analyzed 04/19/04 <br /> roluene 268 050 pg/L 200 5 8 105 58-139 <br /> ichloroethene 222 050 200 ND 111 55-138 <br /> Surrogate 12-Drchloroethane-d4 858 100 858 66-135 <br /> urrogate Toluene-d8 994 100 994 72-125 <br /> arrogate 4-BromofTuorobenzene 109 100 109 7.3-125 <br />-atrix Spike Dup(CN03088-MSD1) Source CND0609-21 Prepared&Analyzed 04/19/04 <br /> enzene 227 050 µg/L 200 28 995 32-152 261 25 <br /> Chlorobenzene 21 4 050 200 ND 107 62-134 185 25 <br /> 1 1-Dichloroethene 442 050 200 ND 221 32-152 290 25 QM-07 <br /> Me26 6 050 ;i 200 58 104 58-139 0 749 25 <br /> croethene 21 7 050 200 ND 108 55-138 228 25 <br /> Surrogate 12-Dichloroethane-d4 848 100 848 66-135 <br /> arrogate Toluene-d8 998 100 998 72-125 <br /> arrogate 4-Bromofluorobenzene Il 0 /Do 110 73-125 <br /> atch CN03089- EPA 5030 Water MS <br /> lank(CN03089-BLK1) Prepared&Analyzed 04/19/04 <br /> Acetone ND 10 pgR <br />(enzene ND 050 <br /> romobenzene ND 050 " <br /> romochloromethane ND 050 " <br /> Bromodichloromethane ND 050 " <br /> tromofon-n ND 050 11 <br /> romomethane ND 10 <br /> 2-Butanone ND 10 " <br /> tButylbenzene ND 050 " <br /> c-Butylbenzene ND 050 " <br /> ten-Butyl benzene ND 050 " <br /> tarbon tetrachloride ND 050 ,1 <br /> hlorobenzene ND 050 <br /> 1 <br /> ID <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 1249 Fitzgerald Road Rancho Cordova, CA 95742 www californialab coin 916-638-7301 Fax 916-638-4510 <br />