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819 SenAve Ste 8 <br /> Sequoia Sacramentoto CA 95834 <br /> Analytical (916)921-(9]6)921-0]0100 <br /> FAX OD <br /> www sequoiatabs cum <br /> 1 <br /> Geological Technics,Inc Project Montas Bros 5501355 <br />' 1101 7th Street Project Number 724 2 Reported <br /> Modesto CA,95354 Project Manager Mandeep Singh 01/28/05 11 51 <br /> Purgeable Hydrocarbons and BTEX by EPA 8015BI8021B <br />' Sequoia Analytical- Sacramento <br /> Reporting <br /> Analyte Result Limit Units Dltlltlon Batch Prepared Analyzed Method Notei <br /> MW4(5501355-04)Water Sampled 01/12/05 09 36 Received 01/14/05 08 20 <br /> Gasoline Range Organics(C4-C12) ND 50 ug/l 1 5010235 01/17/05 01/17/05 EPA <br /> 801513/8021D <br /> Benzene ND 050 <br /> Toluene ND 050 " <br /> Ethylbenzene ND 050 " <br /> Xylencs(total) ND 050 " <br />' Surrogate 4-BFB(FID) 104% 60-140 <br /> Surrogate a,a a-TFT(PID) 93% 60-140 <br /> MW-5(5501355-05)Water Sampled 01/13/05 08 12 Received 01/14/05 08 20 <br />' Gasoline Range Organics(C4-C 12) ND 50 ug/l 1 5010235 01/17/05 01/17/05 EPA <br /> 8015B/8021 B <br /> Benzene ND 050 <br /> Toluene ND 050 " <br /> ylbenzene ND 0 50 <br /> Xylenes(total) ND 050 " <br /> Surrogate 4-BFB(FID) 110% 60-140 " <br /> ' Surrogate a a,a-TFT(PID) 91% 60-140 " <br /> MW-7(S501355-07)Water Sampled 01/12/051205 Received 01/14/05 09 20 <br /> Gasoline Range Organics(C4-C12) ND 50 ug/1 1 5010235 01/17/05 01/17/05 EPA <br /> ' 80158l80211i <br /> Benzene ND 0 50 " <br /> Toluene ND 050 " <br /> Ethylbenzene ND 050 " <br /> ' Xylenes(total) ND 0 50 " <br /> Surrogate 4-BFB(FID) 99% 60-140 " <br /> Surrogate a,a a-TFT(FID) 88% 60-140 " <br /> Sequoia Analytical- Sacramento The results to this report apply to the samples analyzed in accordance with the chain of <br /> custody document Unless otherwise slated results are reported on a wet weight basis <br /> This analytical report must be reproduced in its entirety <br /> Page 4 of 19 <br />