ARCHIVED REPORTS_ANNUAL 2014 GRAOUNDWATER MONITORING AND SAMPLING REPORT

Home Browse Search

TABLE 4 GROUNDWATER ANALYTICAL RESULTS(TPH and BTEX)t•z,3 ALDEN PARK Tracy,San Joaquin County,California ' Concentrations reported in pg/L Date Ethyl- Total Well ID Sampled TPHd TPHds TPH Benzene Toluene benzene X lenes SCREENING WQO 100° 100° 5 ° 0.15 5 42° 29^ 17 4 LEVELS ESL 100 100 a 100 l 7 40 30 a 20 a 08/05/04 <50 NA NS NS NS NS NS 02/23/05 <50 NA NS NS NS NS NS 08/17/05 <29 NA NS NS NS NS NS 02/16/06 <50 NA NS NS NS NS NS 08/01/06 <50 NA NS NS NS NS NS ' 01/30/07 <50 NA NS NS NS NS NS 01/30/08 <50 NA NS NS NS NS NS MW-10 01/30/08 D <50 NA NS NS NS NS NS (cont.) 01/15/09 <50 NA NS NS NS NS NS ' 01/15/09 D <50 NA NS NS NS NS NS 01/05/10 <50 NA NS NS NS NS NS 01/05/10 D <50 NA NS NS NS NS NS 03/08/11 <110 NA NS NS NS NS NS 03/20/12 <110 NA NS NS NS NS NS 04/17/13 <50 NA NS NS NS NS NS 03/28/14 <50 NA NS NS NS NS NS 04/24/96 <500 NA <500 <02 <0.2 <0.3 <0.4 04/02/97 NS NS NS NS NS NS NS 07/07/97 NS NS NS NS NS NS NS ' 10/07/97 NS NS NS NS NS NS NS 01/30/98 NS NS NS NS NS NS NS 07/20/00 400 98 <50 <0.5 <0.5 <0.5 <0.5 10/17/00 230 150 <50 <0.5 <0.5 <0.5 <0.5 01/23/01 NS NS NS NS NS NS NS 05/30/01 NS NS NS NS NS NS NS 03/11/03 NS NS NS NS NS NS NS ' 08/27/03 <50 NA NS NS NS NS NS 02/18/04 <50 NA NS NS NS NS NS MW-I l 08/06/04 190 NA NS NS NS NS NS 02/23/05 200 NA NS NS NS NS NS 08/18/05 <30 NA NA NS NS NS NS 08/18/05 D <29 NA NA NS NS NS NS 02/16/06 <50 NA NS NS NS NS NS 08/02/06 <50 NA NS NS NS NS NS 01/31/07 <50 NA NS NS NS NS NS 01/31/08 <50 NA NS NS NS NS NS 01/15/09 <50 NA NS NS NS NS NS 01/05/10 93 E <50 NS NS NS NS NS 03/08/11 <100 NA NS NS NS NS NS 03/20/12 <110 NA NS NS NS NS NS 04/17/13 <50 NA NS NS NS NS NS 03/28/14 <50 NA NS NS NS NS NS Page 6 of 10 '00`leidos