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TABLE 2 <br /> GROUNDWATER ANALYTICAL RESULTS(TPH and BTEX)' <br /> ALDEN PARK <br /> Tracy,California <br /> Concentrations reported inµg/L <br /> Date Ethyl- Total <br /> WellID Sampled TPHd TPHdsg TPHg Benzene Toluene benzene Xylenes <br /> SCREENING WQO 100 2 100 2 5 2 0.15 3 42 2 29 2 17 2 <br /> LEVELS ESL 100 5 100 5 100 5 1 6 40 5 30 5 20 5 <br /> MW-4 05/30/01 <50 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> (cont.) 07/26/01 <50 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 10/30/01 <50 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 01/31/02 <50 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 04/23/02 <50 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 07/24/02 <50 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 11/25/02 <50 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 03/11/03 <50 <50 NS NS NS NS NS <br /> 08/27/03 <50 NA NS _ NS NS NS NS <br /> 02/18/04 <50 NA NS NS NS NS _ NS <br /> 08/06/04 <50 NA NS NS NS NS NS <br /> 02/23/05 <50 NA NS V NS NS NS NS <br /> 08/18/05 <29 NA NS NS NS NS NS <br /> 02/17/06 <50 NA NS NS NS NS NS <br /> 08/03/06 <50 NA NS NS - NS NS NS <br /> 01/31/07 <50 NA NS NS NS NS NS <br /> 01/31/08 <50 NA NS NS NS NS NS <br /> 01/15/09 <50 NA NS NS NS NS NS <br /> 04/25/96 <500 NA <500 <0.2 <0.2 <0.3 <0.4 <br /> 04/02/97 4,400 70 70 <0.5 <0.5 <0.5 <2 <br /> MW-5 -07/09/97 NA 120 60 <0.5 <0.5 <0.5 _ <2 <br /> 07/09/97 D NA 2_60 _ 50 <0.5 <0.5 <0.5 <2 <br /> 10/07/97 NA 90 80 <0.5 <0.5 <0.5 <2 <br /> 01/30/99 NA 270 100 <0.5 <0.5 <0.5 <1.5 <br /> ASA RIFE <br /> Page 3 of 16 From Science to setlitions <br />