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TABLE 2 <br /> GROUNDWATER ANALYTICAL RESULTS(TPH and BTEX)1 <br /> ALDEN PARK <br /> Tracy,California <br /> Concentrations reported inµg/L <br /> Date Ethyl- Total <br /> Well ID Sampled TPHd TPHdsg TPHg Benzene Toluene benzene Xylenes <br /> SCREENING WQO 100 z 100 2 5 0.15 3 42 2 292 17 2 <br /> LEVELS ESL 100 5 1001 1001 1 6 40 5 30 5 20 5 <br /> MW-12 02/18/04 <50 NA NA NS NS NS NS <br /> (cont.) 08/05/04 <50 NA NA NS NS NS NS <br /> 02/23/05 <50 NA NA NS NS NS NS <br /> 08/17/05 <29 NA NA NS NS NS NS <br /> 02/16/06 <50 NA NA NS _ NS NS NS <br /> 08/02/06 <50 NA NA NS NS NS NS <br /> 01/31/07 <50 NA NA 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 /> 04/23/96 <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 NS NS <br /> 10/08/97 NS NS _ NS NS NS NS NS <br /> 01/30/98 NS NS NS NS NS NS NS <br /> 08/03/00 <50 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> (well properly MW10/17/00 <50 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> destroyed in 4/06) 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 /> 08/26/03 <50 NA � NA NS NS NS NS <br /> 02/18/04 <50 NA NA NS NS NS NS <br /> 08/05/04 <50 NA NA _ NS NS NS NS <br /> 02/23/05 <50 NA NA j NS NS NS NS <br /> Page I 1 of 16 HoM science to sotohons <br />