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1 <br /> '0 CALIFORNIA LABORATORY SERVICES <br /> aS �( SS kk a9i3aroa ls:ls <br /> ENSR-Sacramento Project: Former Unocal 0187,437 EC:�S�urkv�'Tderc#t9taNI0790 <br /> 10411 Old Placerville Rd.,Suite 210 Project Number: 06940-325-100 COC#:None <br /> ' Sacramento,CA 95827-2508 Project Manager: Ben Heningburg <br /> GasBTEX by GC PIDTID - Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch CN07557-EPA 5030 Water GC <br /> LCS(CN07557-BSI) Prepared&Analyzed:09/28/04 <br /> 1 Gasoline 506 50 gg/L 500 101 65-135 <br /> Surrogate:o-Chlorotoluene(Gas) 19.8 10.0 99.0 65-135 <br /> ' LCS Dup(CN07557-BSD1) Prepared&Analyzed: 09/28/04 <br /> Gasoline 495 50 µBIL 500 99.0 65-135 2.20 30 <br /> Surrogate:o-Chlorotoluene(Gas) 14.9 1110.0 114 65-135 <br /> ' Matrix Spike(CN07557-MS1) Source:CN10851-13 Prepared&Analyzed: 09/28/04 <br /> Gasoline 473 50 pg/L 500 ND 94.6 65-135 <br /> c ogate:o-Chlorotoluene(Gas) 18.6 20.0 93.0 65-135 <br /> ' rix Spike Dup(CN07557-MSDI) Source:CNIO851-13 Prepared&Analyzed: 09/28/04 <br /> Gasoline 474 50 gg/L 500 ND 94.8 65-135 0.211 30 <br /> ' Surrogate:o-Chlorotoluene(Gas) 24.3 10.0 111 65-135 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> CA DOLS ELAP Accreditation/Registration Number 1233 <br /> ' 3249 Fitzgerald Road.Rancho Cordova, CA 95742 www.californialab.com 916-638-7301 Fax: 916-638-4510 <br />