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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 1004 100 4 5 4 0.15 s 42^ 29 a 17 4 <br /> LEVELS ESL 1006 1006 1001 1 7 40 a 30 6 20 6 <br /> MW-14 02/23/05 <50 NA NA NS NS NS NS <br /> ' (cont.) 08/17/05 <50 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 /> ' 08/02/06 D <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 /> 01/05/10 1 77 <50 NS NS NS NS NS <br /> MW-15 Well not sampled due to the presence of SPO <br /> MW-16 Well not sampled due to the presence of SPO <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 /> 1 07/20/00 <50 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> MW-17 10/17/00 <50 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> (well properly 01/23/01 NS NS NS NS NS NS NS <br /> ' destroyed in 05/30/01 NS NS NS NS NS NS NS <br /> 4/06) 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 NS NS NS NS <br /> ' 08/18/05 <29 NA NA NS NS NS NS <br /> 02/16/06 <50 NA NA NS NS I NS NS <br /> MW-18 Well not sampled due to the presence of SPO <br /> MW-19 04/03/97 660 230 200 <0.5 <0.5 <0.5 <2 <br /> (well properly 04/03/97 D 1,200 480 140 NA NA NA NA <br /> destroyed in 07/09/97 NA 530 130 <0.5 <0.5 <0.5 <2 <br /> 3/00) 10/08/97 NA 400 60 <0.5 <0.5 <0.5 <2 <br /> 01/30/98 NA too <50 <0.5 <0.5 <0.5 <1.5 <br /> MW-20 Well not sampled due to the presence of SPO <br /> 04/03/97 2,600 320 150 <0.5 <0.5 <0.5 <2 <br /> 07/09/97 NA 440 140 <0.5 <0.5 <0.5 <2 <br /> MW 21 10/08/97 NA 2,100 70 <0.5 <0.5 <0.5 <2 <br /> 01/30/98 NA 150 100 <0.5 <0.5 <0.5 <1.5 <br /> 07/20/00 4,000 2,100 <50 <0.5 <0.5 <0.5 <0.5 <br /> 10/17/00 2,100 <br /> Benham Companies.LLC <br /> i ^ h�•�wbsiaury <br /> PaecB of 10 Fmm sce„ve rosonmm�s <br />