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Sequoia U 885 Jarvis Drive <br /> Morgan Hill,CA 95037 <br /> Analytical (408) 776-9600 <br /> FAX(408) 782-6308 <br /> i <br /> ATC Associates,Inc. Project: SUSD/Corporation Yard Sampled: 2/23199 to 2!24/99 <br /> E' 1117 Lone Palm Ave.,Suite B Project Number: na Received: 3/1199 <br /> Modesto,CA 95351 Project Manager: Tom Lutterman Reported: 9/3/99 <br /> ' ,��- �Total PetroleuEn I�ydrocarbans:as Gasoline,and_STEX�by EPA$O15lVi/8024M/Qualrty Controt �'' � �'� <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> iAnalyte Analyzed Level Result Result Units Recov.Limits % Limit % Notes* <br /> LCS 9030195-BS1 <br /> Benzene 319199 200 192 ug/kg 96.0 <br /> Toluene 200 190 95.0 <br /> Ethylbenzene 200 189 " <br /> 94.5 <br /> Xylenes(total) _ _ _ 600 <br /> _ _ 570 _" _95.0 <br /> Surrogate: a,a,a-Trifluorotoluene 300 - 327 109 <br /> Matrix Snike 9030195-MS1 P903097-17 <br /> Benzene 319/99 200 ND 178 ug/kg 89.0 <br /> Toluene 200 ND 176 88,0 <br /> Ethylbenzene 200 ND 176 88.0 <br /> Xylenes(total) 600 ND 530 _ 8$.3 _ <br /> Surrogate: a,a,a-Trij`luorotoluene 300 316 _ 105 <br /> E, rix Spike Dup 9030195-MSDI P903097-17 <br /> f zene 319/99 200 ND 173 ug/kg 86.5 2.85 <br /> Toluene 200 ND 172 86.0 2.30 <br /> Ethylbenzene 200 ND 172 86.0 2.30 <br /> Xylenes(total) _ _ _ 600 ND 518_ "_ _ _ 86.3 _ _ 2.29 _ <br /> Surrogate: a,a,a-fr-RU-orotoluene 300 3I4 105 <br /> r <br /> Sequoia Analytical-Petaluma *Refer to end of report for text of notes and definitions. <br /> Page 18 of 28 <br /> M <br />