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81 9 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA 95834 <br /> f (916)921-9600 <br /> I Analytical FAX(916)921-0100 <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\Oxygenates by EPA method 8260B <br /> rSequoia Analytical-Sacramento <br /> frj Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> LGP-ID15.5(S405064-02)Soil Sampled:05/03/04 09:05 Received:05/04/04 13:30 <br /> Tert-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 /> r Di-isopropyl ether ND 0.25 <br /> L Ethyl tert-butyl ether ND 0.25 <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 <br /> Gasoline Range Organics(C4-C12) ND 50 " <br /> Surrogate:1,2-DCA-d4 98% 60-140 <br /> Surrogate: Toluene-d8 102% 60-140 <br /> Surrogate:4-BFB 101 % 60-140 <br /> GP-ID15.5(5405064-02RE1)Soil Sampled:05/03/04 09:05 Received:"05/04/04 13:30 <br /> Tert-butyl alcohol ND 0.050 mg/kg 1 4050328 06/08/04 06/08/04 EPA 82608 HT-05 <br /> L Methyl ten-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 11 i; 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 „ 1, HT-05 <br /> Ethylbenzene ND 0.0050 HT-05 <br /> Toluene ND 0.0050 HT-OS <br /> Xylenes(total) ND 0.010 HT-05 <br /> Gasoline Range Organics(C4-Cl2) ND 1.0 ". HT-05 <br /> Surrogate: 1,2-DCA-d4 11.7% 60-140 11 " HT-05 <br /> Surrogate:Toluene-d8 91 % 60-140 HT-05 <br /> Surrogate:4-BFB 95% 60440 HT--05 <br /> I <br /> Sequoia Analytical-Sacramento 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 /> Fri i <br /> Page 4 of 19 <br />