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Sequoia 819 Striker Ave Ste 8 <br /> Sacramento,CA92 95834 <br /> 9600 <br /> 1 + (916)921-9600. <br /> Analytical FAX(9uoia]A-0100 <br /> www.s(916)921-0100 <br /> Geological Technics,Inc. Project: Cardoza S405064 <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\Oxygenates by EPA method 8260B <br /> Sequoia Analytical- Sacramento <br /> Reporting <br /> Analyte Result Limit Units- Dilution Batch Prepared Analyzed Method Notes <br /> r GP-1D20.5(S405064-03)Soil Sampled:05/03/04 09:13 Received:05/04/04 13:30 <br /> LTert-butyl alcohol ND 2.5 mg/kg. 50 4050217 05/16/04 05/17/04 EPA 8260B <br /> Methyl tert-butyl ether ND 0.25 <br /> Di-isopropyl ether ND 0.25 " <br /> Ethyl tert-butyl ether ND 0.25 " 11 <br /> Tert-amyl methyl ether ND 0.25 <br /> 1,2-Dichloroethane ND 0.25 " <br /> 1,2-Dibromoethane(EDB) ND 0.25 <br /> Benzene ND 0.25 <br /> Ethylbenzene ND 0.25 <br /> Toluene ND 0.25 " <br /> Xylenes(total) ND 0.50 „ 1 <br /> Gasoline Range Organics(C4-C 12) ND 50 <br /> Surrogate: 1,2-DCA-d4 101 % 60-140 <br /> Surrogate:Toluene-d8 102% 60-140 <br /> Surrogate:4-BFB 99% 60-140 <br /> GP-1D20.5(S405064-03RE1)Soil Sampled:05/03/04 09:13 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 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 ,I HT-05 <br /> Surrogate:1,2-DCA-d4 8.4% 60-140 HT-05 <br /> Surrogate:Toluene-d8 98% .60-140 HT--05 <br /> fSurrogate:4-BFB 94% 60-140 HT-05 <br /> ii <br /> Sequoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance.with the chain o <br /> 9 Yt l <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 5 of 19 <br />