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C 1' <br /> CALIFORNIA LABORATORY_ SERVICES <br /> T <br /> 01105/04 17 19 , <br /> ENSR-Sacramento Protect Former Unocal 5098, 5606 P�c�f4&oAe6t cir Wn,&L0881 <br /> 10411 Old Placerville Rd,Suite 210 ProjectNumber 06940-293-100 C COC# 1,2,3,4 <br /> Sacramento,CA 95827-2508 Project Manager Ben 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 Limas RPD Limit Notes <br /> Batch CA40209-EPA 5030 Water MS <br /> Blank(CA40209-BLK1) Prepared&Analyzed 12/31/03 ' <br /> 1,3,5-Tnmethylbenzene ND 050 µg/L <br /> Vinyl acetate ND 050 " <br /> Vinyl chloride ND 10 <br /> Xylenes(total) ND 10 " <br /> Di-isopropyl ether ND 050 " <br /> Ethyl tert-butyl ether ND 050 <br /> Tert-amyl methyl ether ND 050 " <br /> Tert-butyl alcohol ND 50 " <br /> Surrogate 1 2-Dichloroethane-d4 w _ - 122 - - 100 - 122 66-135 - - - <br /> Surrogate Toluene-d8 979 100 979 72-125 <br /> Surrogate 4-Bromofluorobenzene 956 100 956 73-125 <br /> LCS(CA40209-BSI) Prepared&Analyzed 12/31/03 <br /> Benzene 2210 050 µe- 20 0 1.114 60-135 <br /> _Chlorobenzene 19 9 050 200 995 60-133 <br /> 1,1-Dichloroethene 202 050 200 101 42-150 <br /> Toluene 202 050 200 101 60-137 <br /> Tnchloroethene 212 050 200 106 62-140 <br /> =Surrogate 12-Dichloroethane-d4=--------- =114- - = 10 0�- 114=-66-135 --�— <br /> Surrogate Toluene-d8 101 100 101 72-125 <br /> Surrogate 4-Bromofluorobenzene 9 90 100 990 73-125 a <br />---UCS Dap(C k'40209-BSD1)- - A -" `- -- --T-— Prepared&Analyzed'12/31/03' - <br /> Benzene 22 3 050 pg/L 20 0 112 60-135 222 25 <br /> Chlorobenzene 19 7 0 50 200 985 60-133 1 01 25 <br /> I,1-Dichloroethene 19 9 050 200 995 42-150 1 50 25 <br /> Toluene - 19 8 0 50 " 200 990 60-137 2 00 - —25 <br /> 25 <br /> Tnchioroethene 207 050 20 0 104 62-140 239 25 ' <br /> Surrogate 12-Drchloroethane-d4 110 100 110 66-135 <br /> Surrogate Toluene-d8 101 100 101 72-125 <br /> Surrogate 4-Bromofluorobenzene 9 85 100 985 73 125 8 <br /> CA DOHS ELAP Accred itation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova,CA 95742 www cali,fornialab.com 916-638-7301 Fax: 916-638-4510 , <br />