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- <br /> CALIFORNIA LABORATORY SERVICES ' <br /> 10/26/04 12 18 ' <br /> ENSR- Sacramento Project Former Unocal 5098,5606 6rV&OArt7,CNG0788 <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-293-100 COC# 1,2 <br /> Sacramento,CA 95827-2508 Project Manager Ben I Heningburg <br /> Volatile Organic Compounds by EPA Method 8260E - Quality Control <br /> Reporting Spike - Source - %REC - RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes ' <br /> Batch CN05738-EPA 5030 Water MS <br /> Blank(CN05738-BLKI) Prepared&Analyzed 07/22/04 <br /> 1,3,5-Tnmethylbenzene ND 050 gg/L <br /> Vinyl chloride ND 10 " <br /> Xylenes(total) ND 10 " <br /> Surrogate 1 2-Dichloroethane-d4 987 100 987 66-150 <br /> Surrogate Toluene-d8 104 100 104 72-125 <br /> Surrogate 4-Bromofluorobenzene 109 100 109 73-125 <br /> LCS(CN05738-BS1) Prepared&Analyzed 07/22/04 <br /> Benzene 178 050 gg/L 200 890 60-135 <br /> Chlorobenzene 18 7 050 20 0 93 5 60-133 •� <br /> 1,1-Dichloroethene 16 8 050 20 0 840 42-150 <br /> Toluene 184 0 50 200 920 60-137 <br /> Trichloroethene 183 050 200 915 62-140 <br /> Surrogate 12-Dichloroethane-d4 898 100 898 66-150 <br /> Surrogate=Toluene-d8 103 10 0 103 72=125 <br /> Surrogate 4-Bromofluorobenzene 102 100 102 73-125 <br /> LCS Dup(CN05738-BSD1) - - T Prepared&Analyzed_07/22/04 — — <br /> Benzene _T_ - 17$T 0 50 ug/L_ - - 20 0 -T T 890 60-135 000 25- _ T <br /> Chlorobenzene 187 050 20 0 935 60-133 000 25 <br /> 1 I-Dichloroethene 168 050 20 0 840 42-150 000 25 <br /> _Toluene 18 4 050 20 0 920 60-137 000 25 <br /> Trichloroethene^ 188 0 50 L 20 0 94 0 62-140 2 70 25 <br /> Surrogate 1 2-Dichloroethane-d4 919 100 919 66-150 ' <br /> Surrogate Toluene-d8 103 100 103 72-125 <br /> Surrogate 4-Bromofluorobenzene 103 100 103 73-125 <br /> I <br /> t <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 />