Laserfiche WebLink
Sequoia 1455 McDowelt Blvd,North Ste D <br /> Petaluma,CA 94954 <br /> I <br /> Analytical (707)792.11165 <br /> FAX(707)792-0342 <br /> www.sequoialabs.com <br /> URS Corp-Sacramento Project:Arco Site 2130,Stockton,CA P504010 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number:GOBZK-0002 Reported: <br /> Sacramento CA,95833 Project Manager:Vernon P.Elarth 04/13/05 09:46 f <br /> r <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical -Petaluma <br /> Reporting } <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Note <br /> VW4(P504010-11)Water Sampled:03/27/05 08:15 Received:0313010511:50 <br /> Tert-amyl methyl ether ND I.0 ug/l 1 5040040 04/05/05 04/05/05 EPA 8260E <br /> Benzene 0.50 0.50 <br /> Tert-butyl alcohol ND 20 <br /> Di-isopropyl ether ND 1.0 <br /> 1,2-Dichloroethane 5.2 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 /> Surrogate:Dibromofluoromethane' 170% 84-111 ^ <br /> Surrogate:I,2-Dichloroethane-d4 113% 74-135 ^ " <br /> Surrogate:Toluene-d8 100% 84-119 ^ ^ <br /> Surrogate:4-Bromofluorobenzene, 114% 86-119 " <br /> :k <br /> VW-5(P504010-12)Water Sampled:03/27/05 09:15 Received:03/30/05 11:50 <br /> Teri-amyl methyl ether ND 10 ug/1 10 5040066 04/07/05 04/07/05 EPA 8260B <br /> Benzene ND 5.0 " <br /> Tert-butyl alcohol ND 200 " <br /> Di-isopropyl ether ND 10 " <br /> 1,2-Dichloroethane 170 5.0 " <br /> Ethanol ND 1000 " <br /> Ethylbenzene ND 5.0 " <br /> Ethyl tent-butyl ether ND 10 ^ " <br /> Methyl Cert-batyl ether ND 5.0 " <br /> Toluene ND 5.0 " <br /> Xylenes(total) ND 5.0 " <br /> Surrogate:Dibromofluoromethane. 104% 84-122 " <br /> Surrogate: 1,1-Dichloroethane-d4 104% 74-135 " <br /> Surrogate: Toluene-d8 101 % 84-119 " <br /> Surrogate:4-Bromofluorobettzene 105% 86-119 " <br /> Sequoia Analytical-Petalurna The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document. Unless otherwise stated,results are reported on a wet weight basis. <br />' This analytical report must be reproduced in its entirety. <br /> Page 12 of 29 <br /> H <br />