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TABLE4 <br /> ' GROUNDWATER ANALYTICAL RESULTS(TPH and BTEX)""3 <br /> ALDEN PARK <br /> Tracy,San Joaquin County,California <br /> Concentrations reported inµg/L <br /> Date Ethyl- Total <br /> WeII ID I Sampled TPI-Id TPHc1sg TPtIg Benzene Toluene benzene Xylenes <br /> SCREENING WQO 1001 100^ 5° 0.15 s 42° 29° 17 <br /> LEVELS ESL 100 1 100 h 100 6 1 7 40 c 30 e 20 c <br /> 07/24/02 380 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 11/25/02 470 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 03/11/03 550 <50 NS NS NS NS NS <br /> 09/09/03 600 <50 NS NS NS NS NS <br /> 02/18/04 560 <50 NS NS NS NS NS <br /> ' 02/18/04 D 460 <50 NS NS NS NS NS <br /> 08/05/04 520 NA NS NS NS NS NS <br /> 02/23/05 610 NA NS NS NS NS NS <br /> 08/18/05 460 150 NS NS NS NS NS <br /> ' 02/17/06 480 260 NS NS NS NS NS <br /> MW-7 08/03/06 380 <50 NS NS NS NS NS <br /> (cont.) 02/01/07 640 E <50 NS NS NS NS NS <br /> 02/01/07 D 670 E <50 E NS NS NS NS NS <br /> 02/01/08 660 E <50 NS NS NS NS NS <br /> 01/16/09 280 E <50 NS NS NS NS NS <br /> 01/05/10 410 E <50 <50 NS NS NS NS <br /> 03/09/11 10 470 <110 NS NS NS NS NS <br /> 03/21/12 170 <100 NS NS NS NS NS <br /> 04/17/13 <50 NA NS NS NS NS NS <br /> 04/17/13 D <50 NA NS NS NS NS NS <br /> 03/28/14 <50 NA NS NS NS NS NS <br /> 03/28/14 D <50 NA NS NS NS NS NS <br /> 08/27/03 <50 NA NA NA NA NA NA <br /> 02/18/04 <50 NA NA NA NA NA NA <br /> 08/06/04 210 NA NA NA NA NA NA <br /> 02/23/05 <50 NA NA NS NS NS NS <br /> 08/18/05 <30 NA NS NS NS NS NS <br /> 02/,7/06 <50 NA NA NS NS NS NS <br /> 08/03/06 <50 NA NA NS NS NS NS <br /> MW-8 02/01/07 <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 <50 NA NS NS NS NS NS <br /> ' 03/09/11 <110 NA NS NS NS NS NS <br /> 03/21/12 <100 NA NS NS NS NS NS <br /> 04/17/13 <50 NA NS NS NS NS NS <br /> 03/28/14 <50 NA NS NS NS NS NS <br /> ' 04/24/96 <500 NA <500 <0.2 <0.2 <0.3 <0.4 <br /> 04/03/97 240 80 <50 <0.5 <0.5 <0.5 <2 <br /> 07/09/97 NA 60 <50 <0.5 <0.5 <0.5 <2 <br /> MW-9 10/08/97 NA <50 <50 <0.5 <0.5 <0.5 <2 <br /> 01/30/98 NA too <50 <0.5 <0.5 <0.5 <1.5 <br /> 07/20/00 890 490 <50 <0.5 <0.5 <0.5 <0.5 <br /> 10/27/00 360 100 <50 <0.5 <0.5 <0.5 <0.5 <br /> Page 4 of 10 <br /> 00 leidos <br />