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TABLE 2 SUMMARY OF GROUNDWATER ANALYTICAL RESULTS Former Cheaper Store#37, 15 East Grant Line Road, Tracy, CA Page 4 of 4 e orted In u IsamDplerDate EBenzene Toluene Ethyl Xylenes MTBE TBA DIPE ETBE TAME 1,2-DCA EDB Benzene MW8 09/26/95 <50 <0.5 <0.5 <0.5 <0.5 NA NA NA NA NA NA NA 02/23/99 <50 <0.5 <0.5 <0.5 <0.5 6.1 NA NA NA NA NA NA 06/27/99 <50 <0.5 <0.5 <0.5 <0.5 2.0 NA NA NA NA NA NA 08/31/99 <50 <0.5 <0.5 <0.5 <0.5 8.0 NA NA NA NA NA NA 02/03/00 <50 <0.5 <0.5 <0.5 <0.5 <1.0 <5.0 <1.0 <1.0 <1.0 NA NA 11/19/00 <50 1.2 1.2 <0.5 0.93 19 <5.0 <10.0 <5.0 <5.0 <1.0 <1.0 02/23/01 57 6.5 7.9 1.2 6.8 40 <5.0 <1.0 <1.0 <1.0 <1.0 <1.0 05/19/01 100 2.7 53.4 <0.5 5.1 58 <5.0 <1.0 <1.0 <1.0 <1.0 <1.0 08/18/01 89 2.0 4.5 <0.5 1.5 54 <5.0 <1,0 <1.0 <1.0 <1.0 <1.0 11/97/01 <50 1.6 2.2 <1.0 1.7 78 <5.0 <1.0 <1.0 <1.0 <1.0 <1.0 02/24/02 <50 <0.5 <0.5 <0.5 <1.0 120 <5.0 <1,0 <0.5 <0.5 <0.5 <0.5 02/17/03 <50 <0.5 <0.5 <0.5 <1.0 160 52 <1.0 <0.5 1.5 <0.5 <0.5 05/31/03 <250 <2.5 <2.5 <2.5 <5.0 590 <25 <5.0 <2.5 5.8 <2.5 <2.5 09/24/03 200 9.7 21 4.0 18 100 <5.0 <1.0 <0.5 0.97 <0.5 <0.5 11/26/03 <50 <0.5 <0.5 <0.5 <1.0 240 <5.0 <0.5 <0.5 0.8 <0.5 <0.5 Notes: TPHg denotes Total Petroleum Hydrocarbons as gasoline analyzed by EPA Method 503018015 MTBE denotes methyl tertiary butyl ether analyzed by EPA Method 8260 RIPE denotes di-isopropyl ether analyzed by EPA Method 8260 TAME denotes tertiary amyl methyl ether analyzed by EPA Method 8260 TBA denotes tertiary butyl ether analyzed by EPA Method 8260 ETBE denotes ethyl tertiary butyl ether analyzed by EPA Method 8260 1,2-DCA denotes 1,2-dichloroethane analyzed by EPA Method 8260 EDB denotes ethyl dibromide analyzed by EPA Method 8260 NS denotes not sampled NA denotes not analyzed Wells MW2 and MW3 are monitored annually during the second quarter Data prior to November 2003 was obtained from H20 Geologic historical reports WA1639317A BLE55Gwtab_q m