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r <br /> CALIFORNIA LABORATORY SERVICES <br /> 1 <br /> C10/15/04 14 52 <br /> ENSR-Sacramento Project Former Unocal 2859, 1665 fir-ftc 11 k O tr n'C�J0195 <br /> O. <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-357-100 COC# 1,2,3 <br /> Sacramento,CA 95827-2508 Project Manager Ben I Henuigburg <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 /> Batch CN07850-EPA 5030 Water MS <br /> Blank(CN07850-BLKI) Prepared&Analyzed 10/11/04 ' <br /> DI-isopropyl ether ND, 050 µ81L <br /> Ethyl tert-butyl ether ND 050 " <br /> Methyl tert-butyl ether ND 050 , <br /> tert-Amyl methyl ether -ND 050 " <br /> "Pert-butyl alcohol ND 50 " <br /> Surrogate Toluene-d8 880 100 880 71-125 <br /> LCS(CN07850-BS1) Prepared&Analyzed 10/11/04 <br /> Methyl tert-butyl ether 170 050 pg/L 200 850 52-130 <br /> Surrogate Toluene-d8 947 100 947 72-115 <br /> LCS Dup(CN07850-BSDI) Prepared&Analyzed 10/11/04 <br /> Methyl tert-butyl ether 166 050 pg1L 200 830 52-130 2 38 30 <br /> Surrogate Toluene-d8 943 100 943 72-115 <br /> J Batch CN07884-EPA 5030 Water MS`J -- <br />--Blank <br /> Blank(CN07884-BLKI) Prepared&Analyzed 10/12/04 <br /> sopropyl ether ND 050 pg/L <br />- -- —= Ethyl tert-butyl ether— ND --= 050 <br /> =- - <br /> Methyl tert-butyl ether ND 050 " <br /> tert-Amyl methyl ether ND 050 ' <br /> Tert-butyl alcohol ND 50 " <br /> 1 2-Dibromoethane(EDB) ND 050 " <br /> 1,2-Dfchloroethane ND 050 ' <br /> Surrogate Toluene-d8 .891 10 0 891 72-125 <br /> 1 <br /> CA DOHS FLAP Accreditation/Registration Number 1233 ' <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www californialab com 916-638-7301 Fax 916-638-4510 ' <br />