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= m4rMM mm = Mob = = = = = = mem <br /> Table 2 Ground WaterAnalytical Results Summary Table <br /> Former Union Pacific Railroad Company Property <br /> 936 East Weber Avenue <br /> Stockton,California <br /> Sample TPH as Organic <br /> Identification Date Gasoline Benzene Toluene Ethylbenzene Xylenes MTBE TBA RIPE ETBE TAME Ethanol EDB 12-DCA Lead <br /> B-5 05/0I/98 46 OW 213M 310 570 6500 <100 <100 <200 <100 <300 NA NA NA NA <br /> B-6 05/01/98 1500 38 11 12 180 <5 86 <10 <5 <5 NA NA NA NA <br /> MW 1 04/01/99 <50 <0 5 <0 5 <05 <0 5 <05 <20 <05 <05 <0 5 NA NA NA NA <br /> 03/01/00 <50 <0 5 <0 5 <05 <1 0 <2 <100 <2 <2 <2 <1 000 <2 <2 NA <br /> 10/01/00 <50 <2 <2 <2 <2 <2 <100 <2 <2 <2 NA <2 <2 NA <br /> Dup 10/01/00 <50 <2 <2 <2 <2 <2 <100 <2 <2 <2 NA <2 <2 NA <br /> 12/20/00 <50 <2 <2 <2 <2 <2 <100 <2 <2 <2 <1 000 <2 <2 <500 <br /> Dup 12/20/00 <50 <2 <2 <2 <2 <2 <100 <2 <2 <2 <1,000 <2 <2 <500 <br /> 03/27/01 <50 <2 <2 <2 <2 <2 <100 <2 <2 <2 <1 000 <2 <2 <5W <br /> Dup 03/27/01 <50 <2 <2 <2 <2 <2 <100 <2 <2 <2 <1 000 <2 <2 NA <br /> MW-2 04/01/99 <50 <05 <05 <0 5 <05 <0 5 <20 <05 <05 <0 5 NA NA NA NA <br /> 03/01/00 577 <05 <05 <05 <10 <2 <100 <2 <2 <2 <1,000 <2 813 NA <br /> 06/01/00 <50 <05 <05 <0 5 <10 <2 <100 <2 <2 <2 <1 000 <2 924 NA <br /> Dup 06/01/00 <50 <05 <05 <0 5 <10 <2 <10D <2 <2 <2 <1 000 <2 954 NA <br /> 10/01/00 52.8 <2 <2 <2 <2 <2 <100 <2 <2 <2 NA <2 773 NA <br /> 12/20/00 <50 <2 <2 <2 <2 <2 <100 <2 <2 <2 <1 000 <2 2,84 <500 <br /> 03/27/01 <50 <2 <2 <2 <2 <2 <100 <2 <2 <2 <1,000 <2 <2 <500 <br /> MW-3 04/01/99 <50 <05 <05 <05 <05 <05 <20 <05 <05 <05 NA NA NA NA <br /> Dup 04/01/99 <50 <0 5 <0 5 <0 5 <0 5 <05 <20 <0 5 <05 <05 NA NA NA NA <br /> 03/01/00 <50 <05 <05 <05 <10 <2 <100 <2 <2 <2 <1000 <2 <2 NA <br /> Dup 03/01/00 <50 <05 <05 <05 <10 <2 <100 <2 <2 <2 <1000 <2 <2 NA <br /> 06/01/00 <50 <05 <05 <05 <10 <2 <100 <2 <2 <2 <1W0 <2 <2 NA <br /> 10/01/00 <50 <2 <2 <2 <2 <2 <100 <2 <2 <2 NA <2 <2 NA <br /> 12/20/00 <50 <2 <2 <2 <2 <2 <100 <2 <2 <2 <1000 <2 <2 <500 <br /> 03/27/01 <50 <2 <2 <2 <2 <2 <100 <2 <2 <2 <1 000 <2 <2 <500 <br /> Maximum Contaminant Level — 1 150 700 1 750 31' — — -- — — 005 5 15, <br /> Notes <br /> All results reported in micrograms per liter(Ng/L) Dup=Duplicate sample <br /> TPH samples analyzed by US EPA Method 8015 Modified DtPE=Di-isopropyl ether <br /> VOCs analyzed by USEPA Methods 8260 and/or W20 EDB=Ethylene dibromide <br /> Organic lead analyzed by Title 22 ETBE=Ethyl tert butyl ether <br /> Results reported only for those compounds detected in samples collected at the site MTBE=Methyl Gert butyl ether <br /> —=No standard established NA=Not analvzed <br /> <-Less than reporting limit TAME=Tert-amyl methyl ether <br /> a=California Department of Health Services drinking water action level TBA=Tert butyl alcohol <br /> b=No MCL action level requires treatment and public notrftcatton at 15 lig/L USEPA=Umted States Environmental Protechon Agencv <br /> 12 DCA-1 2 Dichloroethane <br /> ERM Page 1 of 1 818725 5122/01 <br />