Laserfiche WebLink
t Sequoia 1455 McDowell Blvd,North Ste D <br /> 4 Petaluma,CA 94954 <br /> D— .An alyical (707)792-1865 <br /> FAX(747)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 Maaager:Vemon P.Elarth 04/13/05 09:46 <br /> Volatile Organic Compounds by EPA Method 82605 <br /> Sequoia Analytical-Petaluma <br /> Reporting <br /> Analyte Result Limit units Dilution Batch Prepared Analyzed Method Note <br /> VW-7(P504010-13)Water 'Sampled.03/2810513:45 Received:0313010511:50 <br /> Tert-amyl methyl ether ND 10 ug/l 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 280 5.0 " ^ <br /> Ethanol ND 1000 <br /> EthyIbenzene ND 5.0 <br /> Ethyl cert-butyl ether ND 10 ^ <br /> Methyl tert-butyl ether 9.5 5.4 <br /> Toluene ND 5.0 <br /> Xylenes(total) ND 5.0 <br /> Surrogate:Dibromofluoromethane 100% 84-112 " <br /> Surrogate:I,1-Dichloroethane-d4 99% 74-135 ^ <br /> Surrogate:Toluene-dg 97% 84-119 <br /> Surrogate:4-Bromofluorobenzene . 104% 86-119 " <br /> VW-8(P504010-14)Water ,Sampled:03/27/05 09:40 Received:03/30/05 11:50 <br /> Tert-amyl methyl ether ND 50 ugll 50 5040066 04/07/05 04/07/05 EPA 8260E <br /> Benzene 1200 25 " <br /> Teri-butyl alcohol ND 1000 " <br /> Di-isopropyl ether ND 50 " ^ <br /> 1,2-Dichloroethane ND 25 " <br /> Ethanol ND 5000 " <br /> Ethylbenzene; 320 25 <br /> Ethyl tert-butyl ether ND 50 ^ " <br /> Methyl cert-butyl ether ND 25 " <br /> Toluene 120 25 " <br /> Xylenes(total) 250 25 " <br /> Surrogate:Dibromofluoromethane 102% 84-111 " <br /> Surrogate:1,2-Dichloroethane-d4 102% 74-135 " <br /> Surrogate:Toluene-d8 104% 84-119 " <br /> Surrogate:4-Bromo uorobenzene 1 0 " <br /> g fl 09/ 86-119 <br /> Sequoia Analytical-Petaluma 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 13 of 29 <br /> pE <br /> I � <br />