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TABLE 2 Groundwater Analytical Results Valley Pacific Petroleum Services 1501 W Charter Wy Stockton, CA (in parts per billion) Page 3 of 3 1,2 Date Sample ID TPHg B T E X TPHd MTBE Oxygenates DCA EDB Lead 11/23/2004 WCW-MW-1 <50 <0 5 <0 5 <0 5 <1 0 <50 <50 ND <0 5 <0 5 -- WCW-MW-2 <50 <0 5 <0 5 <0 5 <1 0 <50 <50 ND <0 5 <0 5 -- WCW-MW-3 2,300 <0 5 07 1 0 19 6,000 900 ND <10 <10 -- WCW-MW-4 <50 <0 5 <0 5 <0 5 <1 0 <50 <50 ND <0 5 <0 5 -- WCW-MW-5 <50 <0 5 <0 5 <0 5 <1 0 <50 <50 ND <0 5 <0 5 -- 2/9/2005 WCW-M <0 5 <0 5W-1 <50 <0 5 <0 5 <0 5 <l 0 <50 <0 5 ND -- WCW-MW-2 <50 <0 5 <0 5 <0 5 <1 0 <50 <0 5 ND <0 5 <0 5 -- WCW-MW-3 320e <0 5 <0 5 <0 5 <1 0 700 870 ND <5 0 <5 0 -- WCW-MW-4 <50 <0 5 <0 5 <0 5 <10 <50 <0 5 ND <0 5 <0 5 -- WCW-MW-S <50 <0 5 <0 5 <0 5 <1 0 <50 <0 5 ND <0 5 <0 5 -- 6/1/2005 WCW-MW-1 <50 <0 5 <0 5 <0 5 <1 0 <50 <0 5 ND <0 5 <0 5 - WCW-MW-2 <50 <0 5 <0 5 <0 5 <1 0 <50 <0 5 ND <0 5 <0 5 - WCW-MW-3 500" <0 5 <0 5 <0 5 18 1,100 1,700 ND <10 <10 - WCW-MW-4 <50 <0 5 <0 5 <0 5 <1 0 <50 <0 5 ND <0 5 <0 5 -- WCW-MW-S <50 <0 5 <0 5 <0 5 <l 0 <50 <0 5 ND <0 5 <0 5 -- Notes B — benzene TPHd = total petroleum hydrocarbons as diesel T toluene TPHg — total petroleum hydrocarbons as gasoline E ethylbenzene Oxygenates gasoline oxygenate additives(excluding M I BE) X — xylenes 1,2 DCA — 1,2 dichloroethane MTBE = methyl-tert-butyl ether EDB = ethylene dibromtde < — less than indicated detection limit = not analyzed ] = tert-butanol 2 = tert-amyl methyl ether a = hydrocarbons do not match typical gasoline chromatographic pattern heavier range hydrocarbons are significant b = gasoline chromatographic pattern does not match typical gasoline standard * = reported gasoline is comprised almost entirely of MTBE ND = All analytes non-detectable