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TABLE 1A <br /> CUMULATIVE GROUNDWATER MONITORING AND SAMPLING DATA <br /> Former Mobil Service Station 99CAS <br /> 75 E.Alpine Avenue <br /> Stockton,California <br /> (Page 6 of 8) <br /> Well S2mP102 TOC DTW GW Elev. NAPL TPLId TPHg DEG MTBE B T E X PCBs SVOCs <br /> ID Date (feet) (feet) (feet) (fee,) ipg/LI (pg/L) fpg/L) (pg/L) (pg/L) (yg/L) (Wg/L) (ug/L) (pg/L) (pg/L) <br /> DW2 09/22/11 16.01 33.41 -17.40 No <50a <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 -- -- <br /> DW2 11/30/11 16.01 32.34 -16.33 No __ __ __ ___ __ <br /> DW2 12/01/11 16.01 -- -- -- 55a,d 1,300 -- <0.50 170 570 25 140 -- -- <br /> DW3 02/23/09 16.01 39.85 -23.84 No - 7,600 --- <25 840k 650k 190k 840k - -- <br /> DW3 04/29/09 16.01 39.60 -23.59 No <50 1,100 --- 0.77j 310 16 32 67 - -- <br /> DW3 07/14/09 16.99 41.43 -24.44 No <50 500 -- <5.0 260 13 21 32 - -- <br /> DW3 10/27/09 16.99 41.77 -24.78 No - <br /> DW3 10/28/09 16.99 -- -- -- <50 820 -- <5.0 650 19 48 29 - -- <br /> DW3 01/25/10 16.99 39.78 -22.79 No <50 670d -- <10 460 11 28 10 - -- <br /> DW3 04/07/10 16.99 37.97 -20.98 No <50 830d -- <10 510 10 35 7.2j - <br /> DW3 08/09/10 16.99 37.93 -20.94 No <br /> DW3 08/10/10 16.99 -- --- -- <50 880d -- <10 590 12 49 8.3j -- -- <br /> DW3 10/05/10 16.99 38.66 -21.67 No - _ <br /> DW3 10/06/10 16.99 -- - -- <50 1,200d -- <10 570 15 44 13 -- -- <br /> DW3 02/09/11 16.99 37.28 -20.29 No <50a 1,800d -- <10 780 72 71 58 -- -- <br /> DW3 05/18/11 16.99 34.44 -17.45 No - _ ___ ___ <br /> DW3 05/19/11 16.99 -- ---- -- <50 <50 -- 9.7 <0.50 <0.50 <0.50 <0.50 - -- <br /> DW3 09/22/11 1 16.99 34.46 -17.47 No -- <br /> DW3 11/30/11 16.99 33.39 -16.40 No __ __ __ __ __ __ <br /> DW3 12/01/11 16.99 --- -- -- 64a,d 2,000 -- 11 330 690 34 200 -- -- <br /> DW4 07/14/09 15.98 41.30 -25.32 No <50 <50 -- 0.81 <0.50 <0.50 <0.50 <0.50 -- -- <br /> DW4 10/27/09 15.98 41.54 -25.56 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 -- -- <br /> DW4 01/25/10 15.98 39.37 -23.39 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 -- -- <br /> DW4 04/07/10 15.98 37.47 -21.49 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 -- -- <br /> DW4 08/09/10 15.98 37.55 -21.57 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 -- -- <br /> DW4 10/05/10 15.98 38.29 -22.31 No <50 48j,d -- <0.50 <0.50 <0.50 <0.50 <0.50 -- -- <br /> DW4 02/09/11 15.98 36.86 -20.88 No <50a <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 -- -- <br /> DW4 05/18/11 15.98 34.02 -18.04 No <50b <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 -- -- <br /> DW4 09/22/11 15.98 33.88 -17.90 No <50a 60 -- <0.50 11 7.1 2.7 5.7 - -- <br /> DW4 11/30/11 15.98 32.81 -16.83 No <50a 56 -- <0.50 3.1 6.4 2.6 7.9 -- -- <br /> EX1 07/14/09 16.51 40.80 -24.29 No 500 170,000 -- <1,200 34,000 65,000 3,000 19,000 -- <br /> EX1 10/27/09 16.51 41.20 -24.69 No 3,500d 110,000 -- <1,200 22,000 54,000 2,300 14,000 -- <br /> EX1 01/25/10 16.51 39.35 -22.84 No 400d 120.000d -- <1,200 18,000 54,000 2,400 16,000 -- <br /> EX1 04/07/10 16.51 37.47 -20.96 No 990 150,000 -- <1,000 28,000 66,000 3,600 21,000 -- <br /> EX1 08/09/10 16.51 37.33 -20.82 No __ __ -- --- <br /> EX1 08/10/10 16.51 -- -- -- 700d 130,OOOd -- <1,000 25,000 65,000 3,100 19,000 -- <br /> EX1 10/05/10 16.51 38.12 -21.61 No -- __ -- -- -- -- <br />