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TABLE 2 ANALYTICAL RESULTS OF GROUND WATER SAMPLES FORMER FISCO WAREHOUSE (Howard Lenz Property) 1648 Shaw Road, Stockton, California TPH as TPH as Benzene Toluene Ethyl Xylenes MTBE DIPE ETRE TAME TBA EDB 1,2-DC Sample Sample Gasoline I Diesel I I benzene Location Date EPA Method 8015M EPA Methods 8021ot 8260B* EPA Method 8260B 02/09/01 <50 <50 7.4 2.6 <0.5 1.8 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA 05/07/01 <50 <50 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA 08/07/01 <50 <50 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA 11/06/01 <50 99 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA 02/12/02 <50 <50 <0.5 <0.5 <0.5 <0.5 <1.0 <1.0 <1.0 <1.0 <5.0 <1.0 <1.0 05/31/02 <50 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 NA NA MW-7 08/07/02 <50 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5 11/07/02 NS NS NS NS NS NS NS NS NS NS NS NS NS 02/05/03 <50 <50 <0.5 <0.5 <0.5 <1.2 <1.0 <1.0 <1.0 <1.0 <10 <0.5 <0.5 05/19/03 <50 <50 <0.5 <0.5 <0.5 <0.6 <1.0 <1.0 <1.0 <1.0 <10 <0.5 <0.5 08/08/03 NS NS NS NS NS NS NS NS NS NS NS NS NS 11/20/03 NS NS NS NS NS NS NS NS NS NS NS NS NS 03/18/04 <50 <50 <0.5 <0.5 <0.5 <0.6 <1.0 <1.0 <1.0 <1.0 <10 <0.5 <0.5 06/30/04 <50 <50 <0.5 <0.5 <0.5 <0.6 <1.0 <1.0 <1.0 <1.0 <10 <0.5 <0.5 08/08/03 <50 <50 <0.5 <0.5 <0.5 <0.6 <1.0 <1.0 <1.0 <1.0 <10 <0.5 <0.5 MW 8 11/20/03 <50 <50 <0.5 <0.5 <0.5 <0.6 <1.0 <1.0 <1.0 <1.0 <10 <0.5 <0.5 03/18/04 <50 <50 <0.5 <0.5 <0.5 <0.6 <1.0 <1.0 <1.0 <1.0 <10 <0.5 <0.5 06/30/04 <50 <50 <0.5 <0.5 <0.5 <0.6 <1.0 <1.0 <1.0 <1.0 <10 <0.5 <0.5 Notes: µgA: micrograms per liter;equivalent to parts per billion,ppb TBA: tertiary butanol or tertiary butyl alcohol NA: not analyzed EDB: ethylene dibromide NS: not sampled(wells were dry) 1,2-DCA: 1,2-dichloroethane TPH: total petroleum hydrocarbons MTBE: methyl tert butyl ether DIPE: di-isopropyl ether ETRE: ethyl-tert butyl ether TAME: tert amyl methyl ether Advanced GeoEnvironmental,Inc.