Laserfiche WebLink
a— ) (71455 McDowell Blvd,North Ste D <br /> SSequoiaP Petaluma,CA 94954 <br /> Analytical FAX <br /> 07)7921865 <br /> 707)792-0342 <br /> . www.sequoialabs.corn <br /> URS Corp-Sacramento Project: Arco Site 5469,Stockton,CA P312283 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number: WR36605 Reported: <br /> Sacramento CA,95833 Project Manager: Jay Johnson 01/12/04 18:12 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical-Petaluma <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-1 (P312283-01)Water Sampled: 12/10/03 08:09 Received: 12/10/03 10:42 <br /> Tert-amyl methyl ether ND 1.0 ugA 1 3120679 12/23/03 12/24/03 EPA 8260B <br /> Benzene ND 0.50 " <br /> Tert-butyl alcohol ND 20 " <br /> Di-isopropyl ether ND 1.0 " <br /> 1,2-Dibromoethane(EDB) ND 0.50 " <br /> 1,2-Dichloroethane ND 0.50 " <br /> Ethanol ND 100 " <br /> Ethylbenzene ND 0.50 <br /> Ethyl tert-butyl ether ND 1.0 " <br /> Methyl tert-butyl ether 9.0 0.50 " <br /> Toluene ND 0.50 " <br /> Xylenes(total) ND 0.50 " <br /> Surrogate:Dibromofluoromethane 182% 84-122 S-LIAa <br /> rrogate: 1,2-Dichloroethane-d4 190% 74-135 ,I " I, S-LIM <br /> arrogate: Toluene-d8 153% 84-119 " S-L1.41 <br /> Surrogate: 4-Bromofluorobencene 154% 86-119 S-LIM <br /> MW-1 (P312283-O1RE1)Water Sampled: 12/10/03 08:09 Received: 12/10/03 10:42 HT-04 <br /> Methyl tert-butyl ether 4.3 0.50 ugll 1 4010083 01/07/04 01/07/04 EPA 8260B <br /> Surrogate: Dibromofluoromethane 102% 84-122 <br /> Surrogate: 1,2-Dichloroethane-d4 102% 74-135 <br /> Surrogate: Toluene-d8 90% 84-119 " <br /> Surrogate: 4-Bromofluorobenzene 92% 86-119 <br /> MW-2(P312283-02)Water Sampled: 12/10/03 08:37 Received: 12/10/03 10:42 <br /> Tert-amyl methyl ether ND 1.0 ug/l 1 3120679 12/23/03 12/24/03 EPA 8260B <br /> Benzene ND 0.50 " <br /> Tert-butyl alcohol ND 20 " <br /> Di-isopropyl ether ND 1.0 <br /> 1,2-Dibromoethane(EDB) ND 0.50 <br /> 1,2-Dichloroethane ND 0.50 <br /> Ethanol ND 100 <br /> Ethylbenzene ND 0.50 <br /> Ethyl tert-butyl ether ND 1.0 " <br /> Methyl tert-butyl ether ND 0.50 " <br /> Toluene ND 0.50 <br /> Xylenes(total) ND 0.50 <br /> Sequoia <br /> quoia Analytical-Petaluma The results in this report apply to the samples analyzed in accordance with the chain <br /> of custody document. Unless otherwise stated, results are reported on a wet weigh! <br /> basis. This analytical report must be reproduced in its entirety, <br /> Page 13 of 40 <br />