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I <br /> Sequoia <br /> Striker Ave Ste 8 <br /> Se(lUOla Sacramento, 9 <br /> (916)92 1-96009600 <br /> Analytical FAX(916,921-01°°. <br /> www.scquoialabs.com <br /> i <br /> i <br /> LGeological Technics,Inc. Project: Cardoza 5405064 <br /> 1101 7th Street Project Number: 1135.2 Reported:. <br /> CModesto CA,95354 Project Manager: Jenny Weese 06/15/04 15:19 <br /> F.r <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 /> GP-1D11(S405064-01)Soil Sampled:05/03/04 08:55 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 /> Di-isopropyl ether ND 0.25 <br /> Ethyl tert-butyl ether ND 0.25 " <br /> Tert-amyl methyl ether ND 0.25 <br /> 1,2-Dichloroethane ND 0.25 <br /> r 1,2-Dibromoethane(EDB) ND 0.25 " <br /> ILi Benzene ND 0.25 <br /> Ethylbenzene ND 0.25 " <br /> rr Toluene ND 0.25 " <br /> Xylenes(total) ND 0.50 „ <br /> Gasoline Range Organics(C4-C12) ND 50 <br /> Surrogate: 1,2-DCA-d4 102% 60-140 <br /> r Surrogate: Toluene-d8 104% 60-140 <br /> lei Surrogate:4-BFB .99% 60-140 <br /> GP-1D11 (S405064-01RE1)Soil Sampled:05/03/04 08:55,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 y' 11 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 115% 60-140 . HT-05 <br /> Surrogate: Toluene-d8 96%- 60-140 HT-05 <br /> Surrogate:4-BFB 95% 60-140 . HT-05 <br /> I <br /> L Sequoia Analytical-Sacramento The results in this report apply theles analyzed in accordance with the chain o <br /> PP Y to samples ) J <br /> custody document. Unless otherwise stated,results are reported on a wet weight basis. <br /> r This analytical report must be reproduced in its entirety. <br /> Page 3 of 19 <br />