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1 <br /> CALIFORNIA LABORATORY SERVICES <br /> 10/23/03 14:21 <br /> r SHAW,E&I Inc.(Sacramento) Project: Parkinson's Arco,Stockton F <br /> rr` 1326 North Market Blvd. Project Number: 8800401A/01060000 CLS Work Order#:CMJ0515 <br /> tl Sacramento CA,95834 Project Manager: David Herzog COC#: 206765 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> i <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> i <br /> Batch CJ31410-EPA 5030 Water MS <br /> Blank(CJ31410-BLKI) Prepared&Analyzed: 10/14/03 <br /> Di-isopropyl ether ND 0.50 pg/L <br /> Ethyl tent-butyl ether ND 0.50 " <br /> Methyl tert-butyl ether ND 0.50 y <br /> Tert-amyl methyl ether ND 0.50 <br /> i <br /> Tert-butyl alcohol ND 5.0 " <br /> -' Surrogate:Toluene-0 10.2 10.0 102 72-125 <br /> 1 <br /> LCS(CJ31410-BSI) Prepared&Analyzed: 10/14/03 <br /> Methyl tert-butyl ether 24.7 0.50 pg/L 20.0 124 52-130 � <br /> T <br /> Lrogate:Toluene-d8 10.6 14.0 106 71-115 <br /> "rr.� <br /> LCS Dup(CJ31410-BSD]) Prepared&Analyzed: 10/14/03 <br /> Methyl tert-butyl ether 24.3 0.50 pg/L 20.0 122 52-130 1.63 30 <br /> Surrogate:Toluene-d8 10.5 10.0 105 72-125 <br /> Batch CJ31539-EPA 5030 Water MS <br /> Blank(CJ31539-BLKI) Prepared&Analyzed: 10/15/03 <br /> Naphthalene ND 0.50 pg/L <br /> Di-isopropyl ether ND 0.50 " <br /> Ethyl tert-butyl ether ND 0.50 " <br /> Methyl tert-bury]ether ND 0.50 <br /> Tert-amyl methyl ether ND 0.50 <br /> TW-butyl alcohol ND SA <br /> Surrogate:Toluene-d8 8.93 10.0 89.3 72-125 <br /> LCS CJ31539-BSI) Prepared&Analyzed: 10/15/03 <br /> LMethyl tert-butyl ether 21.6 0.50 pg/L 20.0 108 52-130 <br /> Surrogate:Toluene-d8 9.67 10.0 96.7 72-125 <br /> i <br /> I <br /> i <br /> i <br /> I <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 13249 Fitzgerald Road Rancho Cordova,CA 95742 www.californialab.cam 916-638-7301 Fax: 916-638-4510 <br />