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1455 McDowell Blvd.North,Ste.D <br /> Petaluma,CA 94954 <br /> Sequoia (707)792-0865 <br /> FAX(707)792-0342 <br /> Analytical wwwsequoialabs.co <br /> 1 <br /> Blaine Tech Services,Inc. Project: Equiva <br /> 1680 Rogers Ave. Project Number: 1071 N.Main St,Manteca Reported: <br /> San Jose CA,95112. Project Manager:.Nick Sudano _ 10/21/00 12:30 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M18010M- Quality Control , <br /> Sequoia Analytical- Petaluma r. <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %,REC . ,Limits - RPD.,.., Limit Notes <br /> _ I <br /> Batch 0100479-EPA 5030 waters <br /> Matrix Spike Dup(0100479-MSDS) Source: P010409-10 Prepared&Analyzed: 10/19/00 <br /> Gasoline 2550 50.0 ug/1 2750 ND 91.6 65-135 0.393 20 <br /> Benzene 37.5 0.500 32.0 ND 117 65-135 3.41 20 <br /> Toluene 172 0.500 193 ND 89.1 65-135 3.99 20 <br /> Ethylbenzene 47.5 0.500 46.0 ND 103 65-135 2.08 20 <br /> Xylenes(total) 218 0.500 231 ND 44.4 65-135 3.60 20 <br /> Methyl tert-butyl ether 66.8 2.50 52.0 ND 126 65-135 17.2 20 <br /> Surrogate:a,a.a-Trifluorotoluene 330 300 110 65-135 <br /> Surrogate:4-Bromofluorobenzene 292 300 97.3 65-135 <br /> I <br /> I <br /> si <br /> Sequoia Analytical-Petaluma The results in this report apply to the samples analyzed in accordance with the chain <br /> custody document. This analytical report must be reproduced In its entirety. <br /> Page 7 of 11 <br /> i <br />