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TABLE 1 Analytical Results of Pump & Treat Water Samples - Petroleum Constituents FLAG CITY CHEVRON 6421 Capitol Road, Lodi, California Well, EPA 8015M EPA 8020 EPA 8260 F.rA 2322 TPH-g I TPF(-d 9'Plf-mo I B I T. F, X I M':F:BE MT13E DIPF. ITAME I ETBE 'PBA I Methanoll Ethanol I ImalI.c I1-09-00 51 NA NA ND<0.5 ND<0.5 NIxOS ND<p.5 NA 1,100 ND<17 NDQ7 ND<17 ND<85 NA NA NA 11-10-00 ND<50 NA NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 480 610 ND<15 ND<15 ND<15 ND<75 NA NA NA 11-13-00 59 ND<50 NA ND<0.5 ND<0.5 ND<0.5' 0.61 340 350 ND<7.5 ND<7.5 ND<7.5 ND<38 NA NA NA 11-14-00 ND<50 ND<50 NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 290 330 ND<10 ND<10 ND<10 ND<50 NA NA NA I1-16-00 62 76 NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 NA 500 ND<10 ND<10 ND<10 ND<50 NA NA NA 11-17-00 ND<50 ND<50 NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 NA 560 ND<20 ND<20. ND<20 ND<100 NA NA NA Influent 11-20-00 ND<l 10 ND<50 NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 1200 1000 ND<20 ND<20 ND<20 ND<100 NA NA NA • 11-30-00 ND<50 ND<50 NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 440 610 ND<25 ND<25 ND<25 ND<125 NA NA NA 12-06-00 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 N1<0.5 ND<0.5 350 450 ND<10 ND<10 ND<10 ND<50 2,600 ND<500 ND<0.005 12-13-00 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 0.0068 01-03-01 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 210 240 ND<10 ND<10 ND<10 ND<50 ND<2000 ND<500 ND<0.005 02-02-01 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 150 150 ND<2.5 ND<2.5 ND<2.5 ND<12.5 NU<500 ND<125 ND<0.005' 03-08-01' ND<50' ND<50' ND<250' ND<0.5' ND<0.5' ND<0.5' ND<0.5' 99' 104' ND<2.5' -2,5' ND<2.5' ND<72.5' ND000' ND<125' ND<0.005' 11-09-00 ND<50 NA NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 NA ND<1 ND<1 ND<1 ND<l ND<5 NA NA NA 11-10-00 ND<50 NA NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<1 ND 11-13-00 ND<50 ND<50 NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<1 ND<l ND<l ND 11-14-00 ND<50 NDK50 NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND 11-16-00 ND<50 ND<50 NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 NA ND 11-17-00 ND<50 ND<50 NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 NA ND 11-20-00 ND<50 ND<50 NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND Effluent 11-30-00 ND<50 ND<50 NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<1 NDQ ND<1 ND<1 ND<5 NA NA NA 12-06-00 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND 12-13-00 ND<50 ND<50ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND 12-21-00 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND 12-27-00 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 NA ND ND<5001-03-01 ND<50 N50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND 02-02-01 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND 03-08-01 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND 12-06-00 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 NA NA NA NA NA NA NA NA GAC-1 01-03-01 ND<50 NA NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 74 71 ND<2.5 ND<2.5 ND<2.5 ND<12.5 ND<500 ND<130 NA 02-02-01 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 6.2 5.4 ND<l ND 03-08-01 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<1 ND<l ND<l ND<l NIX5 ND<200 ND<50 NA 12-06-00 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 NA NA NA NA NA NA NA NA GAC-2 01-03-01 ND<50 NA NA ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<1 ND<l ND 02-02-01 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 3.9 ND<1 ND<l ND<l ND<5 ND<200 ND<50 NA 03-08-01 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND 12-06-00 NA NA NA NA NA NA NA NA NDQ ND<l ND<1 ND<l ND<5 NA NA NA SS-1 02-02-01 ND<50 ND<50 ND<250 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<1 ND<l ND<1 ND 03-08-01 ND<50 ND<50 ND<250 ND<0.5 NIX0.5 ND<0.5 ND<0.5 ND<5 ND Notes:All units reported asµg/I(micrograms per liter or parts per billion);total lead reported as mg/L.TPH-g/d/mo:total petroleum hydrocarbons quantified as gasoline/diesel/motor oil;DIPF:di-isopropyl ether;F1BE:ethyl tertiarybutyl ether;TAME:tertiary amyl methyl ether;TBA:tertiarybutanol alcohol;MTBE:methyl tertiarybutyl ether B:benzene;T:toluene;E:ethylbenzene;X:xylenes; NA:not analyzed;ND:not detected above the laboratory reporting limit indicated.<:indicates constituents were not detected at a concentration greater than the reported limit shown;' :tabulated results were averaged from extraction wells EW-2,EW4,EW-5,EW-6,EW-7,EW-8,EW-9&EW-10;':laboratory analysis for effluent total lead utilized to report influent total lead. Advanced GeoEnvironmental,Inc.