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1 <br /> CALIFORNIA LABORATORY SERVICES <br /> 0' 01/06/0416 29 <br /> ENSR-Sacramento Project Former Unocal 5098,5646 Pac�fW.ArV6St�ocelrtW►,&L0922 <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-293-100 CLCOC# 41459 <br /> ' Sacramento,CA 95827-2508 Project Manager Ben Henmgburg <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> ' Reporting Spike Source %REC RPD <br /> q�yte Result Limit Units Level Result %REC Limits RPD LimnNotes <br /> Batch CN00020-EPA 5030 Water MS <br /> Blank(CN00020-BLKI) Prepared&Analyzed 01/02/04 <br /> 1 3,5-Trimethylbenzene ND 050 µg/L <br /> Vinyl acetate ND 050 ; <br /> Vinyl chloride ND 10 <br /> Xylenes(total) ND 10 " <br /> ' Surrogate I 1-Dichloroethane-d4 133 i; 100 133 66-135 <br /> Surrogate Toluene-d8 983 100 983 71-115 <br /> Surrogate 4-Bromofluorobenzene 982 100 981 73-115 <br /> ' LCS(CN00020-BS1) Prepared&Analyzed 01/02/04 <br /> Benzene 199 050 µg/L 200 995 60-135 <br /> Chlorobenzene 201 050 200 100 60-133 <br /> alDichlormthene 213 050 200 106 42-150 <br /> uene 206 050 200 103 60-137 <br /> Trichloroethene 21 5 050 200 108 62-140 <br /> ' Surrogate 11-Duchloroethane-d4 121 'n 100 121 66-135 <br /> Surrogate Toluene-d8 102 100 102 71-115 <br /> Surrogate 4-Bromofluorobenzene 979 100 979 73-115 <br /> LCS Dup(CN00020-BSD1) Prepared&Analyzed 01/02/04 <br /> Benzene 193 050 pg/L 200 965 60-135 306 25 <br /> Chlorobenzene 194 050 200 970 60-133 3 54 25 <br /> 1 I-D,chloroethene 204 0 50 200 102 42-150 432 25 <br /> Toluene 201 050 20 0 100 60-137 246 25 <br /> Trichioroethene 212 050 20 0 106 62-140 141 25 <br /> Surrogate I 1-Duchloroethane-d4 114 100 114 66-135 <br /> ' Surrogate Toluene-d8 102 " 100 102 71-115 <br /> Surrogate 4-Bromofluorobenzene 992 100 991 73-115 <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 /> 1 <br />