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404 H Wlget Lane <br /> Sequoia Walnut Creek,( , � <br /> 1 FAX(925)988-9673 <br /> Analytical """"" " - `°m <br /> Gettler Ryan,Inc -Dublin Project Tosco <br /> 6747 Sierra Court Suite J Project Number Tosco#6981 Reported <br /> Dubhn CA,94568 Project Manager Deanna L Harding 20-Oct-00 15 26 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical -Walnut Creek <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> VW-1(W009589-14)Water Sampled 22-Sep-00 19 17 Received 25-Sep-0015 30 <br /> Ethanol ND 500 UW1 1 0JO9013 03-Oct-M 03-Oct-00 EPA 8260B <br /> tent-Butyl alcohol ND 50 <br /> Methyl ter=butyl ether 69 20 <br /> Di-isopropyl ether ND 20 <br /> Ethyl tert-butyl ether ND 20 ^ ^ ^ n w <br /> tert-Amyl methyl ether ND 20 <br /> 1,2-Dichloroethane ND 20 <br /> Ethylene dtbromide ND 20 <br /> Surrogate Dtbromofluoromedhane 980% 50-150 <br /> Surrogate 1,2 Dtchloroethane-l4 920% 50-150 " <br /> VW-3(W009589-15)Water Sampled 22-Sep-001006 Received 25-Sep40 15 30 <br /> Ethanol ND 5000 ugA 10 0109013 03-0ct 00 03-Oct-00 EPA 8260E <br /> tent-Butyl.alcohol ND 500 " ^ <br /> *1 tert-butyl ether 2400 20 <br /> propyl ether ND 20 " <br /> Ethyl ter=butyl ether ND 20 <br /> tert-Amyl methyl ether ND 20 " w <br /> 1,2-Dtchlomedme ND 20 " <br /> Ethylene dibromtde ND 20 <br /> Surrogate Dibromofluoromethane 960% 50-150 <br /> Surrogate 1,2 Dtchloroedhane-d4 860% 50-150 " <br /> VW-4(W009589-16)Water Sampled 22-Sep-0012 55 Received 25-Sep-001530 <br /> Ethanal ND 500 ug4 l 0JO9013 03-Oct-00 04-Oct-00 EPA 82608 <br /> tert-Butyl alcohol ND 50 n It w It It n <br /> Methyl tert-butyl ether 160 20 It " <br /> Di-isopropyl ether ND 20 It " <br /> Ethyl tert butyl ether ND 20 <br /> tert-Amyl methyl ether ND 20 <br /> 1,2-Dichloroethane ND 20 <br /> Ethylene dibromide ND 20 n w n w w n <br /> Surrogate Dtbramofluoromedhane 980% 50-150 <br /> Surrogate 1,2-Dtchloroethane-l4 900% 50-150 <br /> 13 Analytical-walnut Creek The results to thus report apply to the sampks analyzed m accordance with the duan of <br /> custody document.Tins andybcal repart mast be reproduced in its e=mery <br /> Page 12 of 23 <br />