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819 Striker Avenue,Suite 8 <br /> Sacramento,CA 95834 <br /> Sequoia (916)921-9600 <br /> FAX(916)921-0100 <br /> Analytical www.sequoialabs.com <br /> Blaine'Tech Services,Inc. Project: Equiva,341 East Main St.,Ripon,CA <br /> 1680 Rogers Avenue Project Number: 001020-1.1 [reported: <br /> San Jose CA,95112-1105 Project Manager- Nick Sudano i l/28100 12:20 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical - Walnut Creek <br /> Reponing Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch OK07017- EPA 5030B 1P/T1 <br /> Blank(OK07017-BLKI) Prepared&Analyzed: 11/01/00 _ <br /> Ethanol ND 500 ug/I <br /> tert-Butyl alcohol ND 100 <br /> Methyl tert-butyl ether ND 0.50 " <br /> Di-isopropyl ether ND 5.0 " <br /> Ethyl tert-butyl ether ND 5-O <br /> tert-Amyl methyl ether ND 5.0 <br /> Surrogate:Dibromofluoromethane 23.0 25.0 92.0 50-150 <br /> Surrogate: l,2-Dichloroethane-d4 22.0 25.0 88.0 50-154 <br /> LCS(OK07017-BS1) Prepared_&Analyzed: 11/01/00 <br /> Methyl tert-butyl ether 21.3 0.50 -ug/l 25.0 85.2 70-130 <br /> ate:Dibromofluoromethane 22.0 25.0 88.0 50-150 <br /> ,S7�Fogate: 1_,2_ <br /> -Dichloroethane-d4 21.0 25.0 84.0 50-150 <br /> LCS Dup(OK07017-BSD1) Prepared&Analyzed: 11/01/00 <br /> "9ethyl to hwtyl ear er 21 7 0.50 uell 25.0 86.8 70-130 L$6 20 <br /> Surrogate:Dibromofluoromethane 23.4 25.0 92.0 50-150 <br /> Surrogate: l,2-Dichloroethane-d4 22.4 25.4 88.0 50-150 <br /> oia Analytical- Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document. This analytical report must be reproduced in its entirety. <br /> Page 20 of 21 <br />