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Sequoia <br />� Analytical <br />404 N Wiget Lane <br />Walnut Creek CA 94598 <br />(925) 988-9600 <br />FAX (925) 988-9673 <br />www sequoWabs coin <br />Gettler Ryan, Inc - Dublin Project Chevron <br />6747 Sierra Court Suite J Project Number Chevron # 9-5775 Reported <br />Dublin CA, 94568 Project Manager Deanna L Harding 29 -Jul -0017 31 <br />Total Purgeable Hydrocarbons (C6 -C12), BTEX and MTBE by DHS LUFT <br />Sequoia Analytical - Walnut Creek <br />Reporting <br />analyte Result L1m1t Units Dilution Batch Prepared Analyzed Method Note <br />MW4 (WO07484-04) Water Sampled 24 -Jul -00 16 21 <br />Received 25 -Jul -00 14 30 <br />Purgeable Hydrocarbons <br />ND <br />250 ug/l 5 OG27003 27 -Jul -00 <br />27 -Jul -00 EPA <br />8015M/8020 <br />Benzene <br />ND <br />2 5 " <br />Toluene <br />ND <br />2 5 <br />Ethylbenzene <br />ND <br />2 5 <br />Xylenes (total) <br />ND <br />2 5 <br />" <br />Methyl tett-butyl ether <br />1500 <br />13 <br />" <br />Surrogate a,a,a-Tnfluorotoluene <br />104% 70-130 <br />" <br />MW -5A (WO07484-05) Water Sampled 24-1ul-0011 25 <br />Received 25,Tul-0014 30 <br />P-01 <br />Purgeable Hydrocarbons <br />67 <br />50 ug/1 I OG26003 26 -Jul -00 <br />26 -Jul -00 EPA <br />8015M/8020 <br />Benzene <br />0 73 <br />050 ^ <br />" <br />Toluene <br />ND <br />050 <br />Ethyibenzene <br />ND <br />050 <br />Xylenes (total) <br />ND <br />0 50 <br />Surrogate a,aa-Tri luorotoluene <br />993% 70-130 <br />MW -5A (WO07484-05RE1) Water <br />Sampled 24 -Jul -0011 25 Received 25 -Jul -00 14 30 <br />P-01 <br />Methyl tert-butyl ether <br />820 <br />5 0 ugli 2 OG26003 26 -Jul -00 <br />27 -Jul -00 EPA <br />8015M=20 <br />Surrogate a aa-Tnfluorotoluene 933% 70-130 " <br />MW -5B (W007484-06) Water Sampled 244ul-0010 49 Received 25-Tu1-0014 30 <br />Purgeable Hydrocarbons ND 50 ugll I OG26003 26-341-00 26 -Jul -00 EPA <br />80151/8020 <br />Benzene ND 050 r x w w w <br />Toluene ND 050 <br />Ethylbenzene ND 050 x x w w x r <br />Xylenes (total) ND 050 x w w w w w <br />Methyl tert-butyl ether 160 25 <br />Surrogate a,a,a-Tnfluorotoluene 109% 70-130 N " It <br />Sequoia Analytical - Walnut Creek The results to Has report apply to the samples anaiyied in accordance with the Ch-."[ <br />custody documett Tins analAcaI report mus(Ee reproduced rn its en Ip <br />Page 3 of 26 <br />