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1455 McDowell Blvd.North,Ste.D <br /> ma,CA 94934 <br /> Sequoia Petal(07)792-1865 <br /> FAX(707)792-0342 <br /> Analytical www,sequoialabs.com <br /> Cambria Environmental-Emeryville Project: Equiva <br /> 6262 Hollis Street Project Number: 341 East Main St,Ripon Reported: <br /> Emeryville CA,94608 Project Manager: Owen Rastchye 11/15/00 07:33 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical - Petaluma <br /> Reporting <br /> Analyte Resutt Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> B-I (POI 1186-03)Water Sampled: 11/03/00 00:00 Received: 11/06/00 14:00 <br /> Tert-amyl methyl ether ND 1-00 ug/l 1 0110308 11/11/00 11/11/00 EPA 82bOB <br /> Benzene ND 0.500 <br /> Tert-butyl alcohol ND 20.0 <br /> Di-isopropyl ether ND 1.00 " <br /> 1,2-Dibronroethanc(EDB) ND 0.500 " <br /> 1,2-Dichloroethane ND 0.500 <br /> Ethanol ND 100 <br /> Ethylbenzene ND 0.500 <br /> Ethyl tert-butyl ether ND 1.00 <br /> Methyl ter-butyl ether ND 0.500 <br /> Toluene ND 0.500 <br /> Xylenes(total) ND 0.500 <br /> Surrogate:Dibromofluoromethane 92.2 % 88-118 <br /> Surrogate: 1,1-Dichloroethane-d4 92.6% 81-130 " <br /> rogate: Toluene-d8 93.4% 84-115 <br /> rogate:4-Bromofluorobenzene 92.4% 78-124 <br /> E-1 (P011186-04)Water Sampled: 11/03/0000:00 Received: 11/06/00 14:00 <br /> Tert-amyl methyl ether ND 1.00 ug/] 1 0110308 11/11100 11/11/00 EPA 8260B <br /> Benzene ND 0.500 <br /> Tert-butyl alcohol ND 20.0 " <br /> Di-isopropyl ether ND 1.00 <br /> 1,2-Dibromoethane(EDB) ND 0.500 <br /> 1,2-Dichloroethane ND 0.500 " <br /> Ethanol ND 100 " <br /> Ethylbenzene ND 0.500 <br /> Ethyl tert-butyl ether ND 1.00 <br /> Methyl tert-butyl ether ND 0.500 <br /> Toluene ND 0.500 " <br /> Xylenes(total) _-- — ND 0.500 _ — <br /> Surrogate:Dibromofluoromethane 93.6% 88-118 <br /> Surrogate: 1,2-Dichloroethane-d4 93.8% 81-130 <br /> Surrogate: Toluene-d8 94.4% 84-115 " <br /> Surrogate: 4-Bromofluorobenzene 94,4% 78-124 " <br /> I <br /> equoia Analytical-Petaluma The results in this report apply 10 the samples analyzed in accordance with the chain of <br /> custody document. This analytical report must be reproduced in its entirety. <br /> Page 4 of 8 <br />