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CALIFORNIA LABORATORY SERVICES ' <br /> 01/24/05 17 25 , <br /> ENSR-Sacramento _ Project Former Unocal 5098,5606�NffV X6roSe)rl 9 A 0 5 3 9 <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-293-100 <br /> Sacrarnento,-CA 95827-2508 Project Manager Ben I Heningburg -COC# ],2,3,4 __ <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> 1 <br />--_ - -- --------- - - Reportmg-- - - -Spike- Source_ - _ --%REC-=-- ----RPD--- -- -- -- <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch C000460-EPA 5030 Water MS <br /> Blank(C000460-BLK1) Prepared&Analyzed 01/19/05 ' <br /> l 3,5-Tnmethylbenzene ND 050 µg/L <br /> Vinyl chloride ND 10 " <br /> Xylenes(total) ND 10 <br /> Surrogate 1 2-Dtchloroethane-d4 921 100 921 66-135 <br /> Surrogate Toluene-d8 9 76 100 976 72-125 <br /> Surrogate 4-Bromofluorobenzene 101 100 101 73-115 <br /> LCS(C000460-BS1) Prepared&Analyzed 01/19/05 <br /> Benzene 206 050 ug/L 200 103 60-135 <br /> Chlorobenzene 193 050 200 965 60-133 <br /> 1,1-Dichloroethene 187 050 200 935 42-150 <br /> Toluene 209 050 200 104 60-137 <br /> Trichloroethene 205 050 200 102 62-140 <br /> Surrogate 12-Dichloroethane-d4 890 100 890 66-135 <br /> Surrogate Toluene-d8_ T T_I01— _-_ --_100—__ _ ---101 _72-125-__ <br /> Surrogate 4-Bromofluorobenzene 973 100 973 73-125 <br /> LCS Dtrp(C000460-BSD1) - — - Prepared&Analyze-d-0-I/19/05 - - --u - ' <br /> Benzene 191_ 0_50 gg/L 200 95 5 60-135 756 25 <br /> Chlorobenzene 184 050 200 920 60-133 477 25 <br /> 1,1-Dtchloroethene 174 050 200 870 42-150 720 25 <br /> Toluene 196 050 200 98 0 60-137 642 25 <br /> Trichloroethene 190 050 200 95 0 62-140 7 59 25 <br /> Surrogate 1 2-Dichloroethane-d4 889 100 889 66-135 <br /> Surrogate Toluene-d8 101 100 101 72-125 <br /> Surrogate 4-Bromofluorobenzene 9 86 100 986 73-12S <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 />