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Ak 2 . <br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS <br /> Jay's Mini-Mart, 3302 N West Lane, Stockton, CA f <br /> Page 7 of 1 <br /> eported in u <br /> SamDple Date TPHd TPHg Benzene Toluene Ethyl Xylenes MTBE TBA DIPE ETBE TAME 1,2-DCA EDB Methanol Ethanol <br /> Benzene <br /> BI-W* 09/07/00 <50 80 <0 5 1 8 <0 5 <0 5 10 <5 0 <1 0 <1 0 <1 0 <br /> SB2@53'** 05/22/03 <50 <50 <0 5 <0 5 <0 5 <1 0 <0 50 <50 <1 0 <1 0 <1 0 <0 50 <50 <br /> SB-3** 05/22/03 180 z 390 74 <0 5 21 35 68 <5 0 <1 0 <1 0 <1 0 31 <5 0 <br /> SB-4** 05/23/03 72 2 81 <05 <0 5 <0 5 <1 0 72 <5 0 <1 0 <1 0 <1 0 <0 50 <5 0 -- -- <br /> MW1 01/15/04 <50 <50 <0 5 <05 <0 5 <1 0 <2 0 <20 <2 0 <2 0 <2 0 <2 0 <2 0 -- -- <br /> 04/12/04 <50 <50 <0 5 <05 <0 5 <1 0 <2 0 <20 <2 0 <2 0 <2 0 <2 0 <2 0 -- -- <br /> 07/09/04 <50 <50 <0 5 <0 5 <0 5 <1 0 <0 5 <5 0 <0 5 <0 5 <0 5 <0 5 <0 5 <50 <5 0 <br /> 10/13/04 <50 <50 <0 5 <0 5 <0 5 <1 0 <0 5 <50 <0 5 <0 5 <0 5 <0 5 <0 5 -- -- <br /> MW2 01/15/04 <50 <50 <0 5 <0 5 <0 5 <1 0 <2 0 <20 <20 <2 0 <2 0 <2 0 <2 0 -- -- <br /> 04/12/04 <50 <50 <05 <0 5 <05 <1 0 <2 0 <20 <2 0 <2 0 <2 0 <2 0 <2 0 -- -- <br /> 07/09/04 <50 <50 <05 <0 5 <0 5 <1 0 <0 5 <5 0 <05 <0 5 <0 5 <0 5 <0 5 <50 <5 0 <br /> 10/13/04 <50 <50 <0 5 <05 <0 5 <1 0 <05 <5 0 <05 <0 5 <0 5 <05 <0 5 -- _ <br /> MW3 01/15/04 <50 <50 <0 5 <0 5 <0 5 <1 0 <2 0 <20 <2 0 <2 0 <2 0 <2 0 <2 0 -- <br /> 04/12/04 <50 <50 <0 5 <0 5 <0 5 <1 0 <2 0 <20 <2 0 <2 0 <2 0 <2 0 <2 0 -- <br /> 07/09/04 <50 <50 <0 5 <0 5 <0 5 <1 0 <0 5 <50 <0 5 <0 5 <0 5 <0 5 <0 5 <50 <5 0 <br /> 10/13/04 1 <50 <50 <05 1 <0 5 1 <05 <1 0 <0 5 <50 <05 <05 <0 5 <0 5 <05 <br /> Notes <br /> ug/1 denotes micrograms per Liter(parts per billion) <br /> TPHd denotes Total Petroleum Hydrocarbons as diesel analyzed by EPA Method 80158 <br /> TPHg denotes Total Petroleum Hydrocarbons as gasoline analyzed by EPA Method 8015BI8021B <br /> MTBE denotes methyl tertiary butyl ether analyzed by EPA Method 8260B <br /> TBA denotes tertiary butyl ether analyzed by EPA Method 8260B <br /> DIPE denotes di-isopropyl ether analyzed by EPA Method 8260B <br /> ETBE denotes ethyl tertiary butyl ether analyzed by EPA Method 8260B <br /> TAME denotes tertiary amyl methyl ether analyzed by EPA Method 8260B <br /> 1,2-DCA denotes 1,2-dichloroethane analyzed by EPA Method 8260B <br /> EDB denotes ethyl dibromide analyzed by EPA Method 8260B <br /> Methanol and Ethanol analyzed by EPA Method 8260E <br /> --denotes not analyzed <br /> *denotes lab results reported by John P Cummings&Associates <br /> **denotes lab results reported by GHH Engineering, Inc <br /> ' denotes that"unmodified or weakly modified gasoline is significant" in the sample <br /> 2 denotes that"Results in the diesel organics range are primarily due to overlap from a gasoline range product" <br /> W 1258475T eMkGwtab_gm <br />