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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 /> Well ID Sampled TPHd TPHdsg TPHg Benzene I Toluene benzene Xylenes <br /> SCREENING WQp 100 2 100 2 5 2 0.15 s 42 2 292 17 2 <br /> LEVELS ESL 100 5 1001 <br /> 100 5 1 6 40 5 30 5 20 5 <br /> MW-10 02/23/05 <50 NA NS NS NS NS NS <br /> (cont.) 08/17/05 <29 NA NS NS NS NS NS <br /> 02/16/06 <50 NA NS NS NS NS _ N5 <br /> 08/01/06 <50 NA NS NS NS NS NS <br /> 01/30/07 <50 NA NS NS NS NS NS <br /> 01/30/08 <50 NA NS NS NS NS NS <br /> 01/30/08 D <50 NA NS NS NS NS NS <br /> 01/15/09 <50 NA_ NS NS NS NS NS <br /> 01/15/09 D <50 NA NS NS NS NS NS <br /> 04/24/96 <500 NA <500 <0.2 <0.2 <0.3 <0.4 <br /> 04/02/97 NS NS NS NS NS NS NS <br /> 07/07/97 NS NS NS NS NS NSNS <br /> 10/07/97 NS NS NS NS NS NS NS <br /> 01/30/98 NS NS NS NS NS NS NS <br /> 07/20/00 400 98 <50 <0.5 <0.5 <0.5 <0.5 <br /> 10/17/00 230 150 <50 <0.5 <0.5 <0.5 <0.5 <br /> MW-11 <br /> 01/23/01 NS NS NS NS NS NS NS <br /> 05/30/01 NS NS NS NS NS NS NS <br /> 03/11/03 NS NS 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 /> 08/06/04 190 NA NS NS NS NS _NS <br /> 02/23/05 200 NA NS NS NS NS _ NS <br /> 08/18/05 <30 NA NA NS NS NS NS <br /> 08/18/05 D <29 NA NA NS _ NS NS NS <br /> Page 9 of 16 From Science to Solations <br />