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Sequoia 680 Chesapeake t),Ivc Redwood City,CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> 404 N Wiget lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)92 1-0100 <br /> Upgradient Environmental Consultants Project Conrady Sampled 7/6/98 <br /> 336 Augusta Court Project Number N/A Received 7/7198 <br /> Valley Sp,CA 95252 Project Manager Vic Cherven REForted 7/23198 <br /> Total Purgeable Hydrocarbons(C6-C12)and BTEX by DHS LUFT <br /> Sequoia Analytical-Sacramento <br /> Batch Date Date Surrogate Reporting <br /> Analvte Number Pre ared Analyzed Limits Limit Result Units Notes* <br /> MW-{z(contln u ed) $802053-05 <br /> ]dater <br /> Benzene 8070191 7/15/98 7/15/98 0 500 ND ug/l <br /> Toluene 0 500 ND " <br /> Ethylbenzene " 0 500 ND " <br /> Xylenes(total) " 0 500 ND <br /> Surrogate a,a a-Trfluorotoluene to It 600-140 101 % <br /> Y -A SMUM3416 Water <br /> Purgeable Hydrocarbons 8070191 7/15/98 7/15/98 500 ND ug/1 <br /> Benzene " " „ 0 500 ND " <br /> Toluene 0 500 ND " <br /> Ethylbenzene 0 500 ND " <br /> Xylenes(total) " " 0 500 ND " <br /> .Surrogate a a,a-Trifluorotoluene 600-140 106 % <br /> S807053-07 WatcC <br /> QU-8cable Hydrocarbons 8070209 7/15/98 7115/98 500 ND ug/1 <br /> Benzene 1. 0 500 0 714 " <br /> Toluene 0 500 ND " <br /> Ethylbenzene 0 500 ND " <br /> Xylenes(total) 0 500 444 " <br /> Surrogate a a,a-Trifluorotoluene 600-140 104 % <br /> SW-1 5807053-08 <br /> 3'Yater <br /> Purgeable Hydrocarbons 8070209 7115/98 7/15/98 10000 59700 ug/I 1,13 <br /> Benzene 100 145 D <br /> Toluene 100 8250 D <br /> Ethylbenzene 100 1970 " <br /> D <br /> Xylenes(total) 100 13100 D <br /> Surrogate a,a,a-Trifluorotoluene 600-140 80 7 910 <br /> SW-2 5807053-119 Water <br /> Purgeable Hydrocarbons 8070209 7/15/98 7/15/98 500 435 ug/l 1 <br /> Benzene 0 500 3 21 " <br /> Toluene 0 500 ND " <br /> Ethylbenzene 0 500 184 " <br /> Xylenes(total) 0 500 773 " <br /> Surrogate a,a,a-Trifluorotoluene 600-140 103 % <br /> moilliquoia Anal ical-Sacramento <br /> Analytical � *Refer to end of report for text of notes and definitions <br /> m a C Schin der,Laboratory Director Page 3 of 11 <br />