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Sen ,Avc Stc 8 <br /> Ki) <br /> Sequoia Sacramento,CA 95834 <br /> Analytical (916)921-9600 <br /> FAX qu 921-0100. <br /> s.com <br /> www.sequoialabs.com <br /> Geological Technics,Inc. Project:"Cardoza 5405064 <br /> 1101 7th Street Project Number: .1135.2 Reported: <br /> Modesto CA,95354 Project Manager: Jenny Weese 06/15/04 15:19 <br /> Gasoline\BTEX\Ox enates b EPA method 826OB <br /> Yg Y <br /> Sequoia Analytical- Sacramento <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> GP-2D20(S405064-07RE1)Soil Sampled:05/03/04 10:50 Received:05/04/04 13:30 <br /> Tert-butyl alcohol ND 0.050 mg/kg 1. 4050328 06/08/04 06/08/04 EPA 8260B HT-05 <br /> Methyl tert-butyl ether ND 0.0050 HT-05 <br /> Di-isopropyl ether ND 0.0050 HT-05 <br /> Ethyl tert-butyl ether ND 0.0050 " " HT-05 <br /> Tert-amyl methyl ether ND 0.0050 HT-05 <br /> 1,2-Dichloroethane ND 0.0050 HT-05 <br /> 1,2-Dibromoethane(EDB) ND 0.0050 i; '1 HT-05, <br /> Benzene ND 0.0050 HT-05 <br /> Ethylbenzene ND 0.0050 HT-05 <br /> Toluene ND 0.0050 HT-05 <br /> Xylenes(total) ND 0.010 " " HT-05 <br /> Gasoline Range Organics(C4-C12) ND 1.0 HT-05 <br /> Surrogate:1,2-DCA-d4 50% 60-140 HT-05,SOS <br /> Surrogate: Toluene-d8 94% 60-140 HT-05 <br /> L Surrogate:4-BFB 94% -140 HT-05 <br /> GP-2D24W(5405064-08)Water Sampled:05/03/04 11:07 Received:05/04/04 13:30 <br /> Tert-butyl alcohol ND 5.0 ug/l 1 4050170 05/12/04 05/13/04 EPA 82606 <br /> Methyl tert-butyl ether ND 0.50 " f <br /> Di-isopropyl ether ND 0.50 <br /> Ethyl tert-butyl ether ND 0.50 " <br /> L Tert-amyl methyl ether ND 0.50 <br /> 1,2-Dichloroethane ND 0.50 <br /> 1,2-Dibromoethane(EDB) ND 0.50 . <br /> Benzene ND 0.50 " <br /> L Ethylbenzene ND 0.50 <br /> Toluene ND 0.50 <br /> Xylenes(total) ND 0.50 " <br /> Gasoline Range Organics(C4-C12) ND 50 <br /> Surrogate: Toluene-d8 100% 60-140 <br /> Surrogate:4-BFB 98`% 60-140 <br /> rSurrogate:1,2-DCA-d4 103% 60-140 <br /> �i <br /> L _ <br /> LSequoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> _ custody document. Unless otherwise staled,results are reported on a wel weight basis. <br /> This analytical report must be reproduced in its entirety. <br /> Page 9 of 19 <br />