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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> � Analytical 819 Striker Avenue Sake 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> pgradient Environmental Consultants Protect Conrady Property Sampled 1217198 <br /> 336 Augusta Court Protect Number NIA Received 1218198 <br /> Valle Sp,CA 95252 Project Mana er Vic Cherven Reported 12/30/98 <br /> Total Purgeable Hydrocarbons(C6-C12) and BTEX by DHS LUFT <br /> Sequoia Analytical-Sacramento <br /> Batch Date Date Surrogate Reporting <br /> lAnalyte Number Prepared Analyzed limits Limit Result Units Notes* <br /> MW-6(continued] 9$12111-06 Water <br /> Benzene 8120235 12/15/98 12/15/98 0 500 ND ug/1 <br /> Toluene 0 500 ND " <br /> Ethylbenzene 0 500 ND " <br /> Xylenes(total) 0 500 ND <br /> Surrogate a a a-Trifluorotoluene 600-140 975 % <br /> VW-1 5812111-07 'at€] <br /> Purgeable Hydrocarbons 8120235 12/15/98 12/15/98 500 ND ugll <br /> Benzene 0 500 ND " <br /> Toluene 0 500 ND <br /> Ethylbenzene 0 500 ND H' <br /> Xylenes(total) 0 500 ND <br /> Surrogate a,a a-Trrfluorotoluene 600-140 121 % <br /> S812111-08 Water <br /> CeE-e <br /> able Hydrocarbons 8120235 12/15/98 12/15/98 500 ND ugli <br /> ne 1. " 0 500 0 510 " <br /> Toluene 0 500 ND " <br /> Ethylbenzene 0 500 ND " <br /> Xylenes(total) 0 500 ND <br /> Surrogate a,a,a-Trtfluorotoluene 600-140 99 8 % <br /> 5W-1 S812111-09 }Fater <br /> Purgeable Hydrocarbons 8120235 12/15/98 12/15/98 5000 124000 ug/l 2,13 <br /> Benzene " „ 500 80 3 D <br /> Toluene " 500 3750 D <br /> Ethylbenzene 500 1980 D <br /> Xylenes(total) 500 11800 D <br /> Surrogate a,a a-Trifluorotoluene 600-140 871 % <br /> S'-1 S91211110 Wager <br /> Purgeable Hydrocarbons 8120235 12/15/98 12/15/98 500 321 u8/1 2 <br /> Benzene 0 500 22.7 <br /> Toluene 0 500 0 814 " <br /> Ethylbenzene 0 500 ND " <br /> Xylenes(total) 0 500 140 " <br /> Surrogate-aa a-Trtfluorotoluene 600-140 106 % <br /> uoia Anafytica]-Sacramento 'Refer to end of report for text of notes and definitions <br /> Page 3 of 12 <br /> Linda C Schneider,Laboratory Director <br />