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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 5 of 8) <br /> Well Sampling TOC DTW GW Elev. NAPL TPHd TPHg O&G MTBE B T E X PCBs SVOCs <br /> '-7 Date (feet) (feet) (feet) 'feel) (PgiL) !j9/L) (p9/l-) (pg/L) (pg/L) (p91L) (Ng/L) (Ng/L) (ug/L) (Ng/L) <br /> MW8 07/14/09 15.45 40.74 -25.29 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW8 10/27/09 15.45 41.02 -25.57 No <50 <50 -- <0.50 <0.50 1.0 0.12j 0.81 - -- <br /> MW8 01/25/10 15.45 38.85 -23.40 No <50 <50 --- <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> MW8 04/07/10 15.45 37.00 -21.55 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 0.15j - -- <br /> MW8 08/09/10 15.45 37.05 -21.60 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> MW8 10/05/10 15.45 37.75 -22.30 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MWS 02/09/11 15.45 36.50 -21.05 No <50a <50 -- <0.50 <0.50 <0.50 <0.50 0.091] -- -- <br /> MW8 05/18/11 15.45 33.55 -18.10 No <50b <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW8 09/22/11 15.45 33.42 -17.97 No <50a 82 --- <0.50 16 9.9 3.3 6.6 <br /> MW8 11/30/11 15.45 32.37 -16.92 No <50a <50 -- <0.50 <0.50 1.5 <0.50 <0.50 -- -- <br /> DWI 02/23/09 16.99 39.48 -22.49 No -- 59,000 - <50 5,600k 12,OOOk 1,800k 9,800k <br /> DWI 04/29/09 16.99 39.35 -22.36 No <50 37,000 - <250 2,800 6,500 870 4,600 - <br /> DWI 07/14/09 16.76 41.17 -24.41 No <50 14,000 --- <50 1,200 2,500 470 2,400 -- - <br /> DWI 10/27/09 16.76 41.44 -24.68 No 57d 8,000 -- <25 990 1,100 360 1,500 <br /> DWI 01/25/10 16.76 39.59 -22.83 No 73d 6,400 -- <12 640 590 260 1,000 - <br /> DWI 04/07/10 16.76 37.65 -20.89 No <50 5,700 -- 4.1j 550 500 240 900 <br /> DWI 08/09/10 16.76 37.59 -20.83 No -_ <br /> DWI 08/10/10 16.76 -- -- -- <50 4,400 -- <10 440 320 180 620 <br /> DWI 10/05/10 16.76 38.34 -21.58 No 73d 5,900 -- 4.5j 510 300 180 590 - <br /> DWI 02/09/11 16.76 36.94 -20.18 No <50a 4,200 --- <10 350 730 100 480 <br /> DWI 05/18/11 16.76 34.04 -17.28 No <br /> DWI 05/19/11 16.76 --- -- -- 94d 7,600 -- <10 1,400 2,400 130 710 - <br /> DWI 09/22/11 1 16.76 34.11 -17.35 No <br /> DWI 11/30/11 16.76 33.05 -16.29 No 190a,d 2,400 -- 5.6 240 320 23 120 -- -- <br /> DW2 02/23/09 16.76 37.47 -20.71 No -- 970 -- <2.0 45k 55k 14k 70k - <br /> DW2 04/29/09 16.76 38.67 -21.91 No <50 51 -- <0.50 1.9 1.3 0.24j 2.7 - -- <br /> DW2 07/14/09 16.01 40.51 -24.50 No <50 60 -- <0.50 0.86 0.69 0.089] 1.0 - -- <br /> DW2 10/27/09 16.01 40.75 -24.74 No -_ _- <br /> DW2 10/28/09 16.01 -- -- -- <50 50 -- <0.50 1.6 2.4 0.64 1.8 - <br /> DW2 01/25/10 16.01 38.79 -22.78 No <50 <50 -- <0.50 <0.50 <0.50 0.090] 0.42j - -- <br /> DW2 04/07/10 1601 36.95 -20.94 No <50 <50 -- <0.50 <0.50 <0.50 0.068] 0.27j <br /> DW2 08/09/10 16.01 36.86 -20.85 No __ -- <br /> DW2 08/10/10 16.01 -- - -- <50 <50 -- <0.50 <0.50 <0.50 <0.50 0.092] - -- <br /> DW2 10/05/10 16.01 37.59 -21.58 No -_ _- <br /> DW2 10/06/10 16.01 -- - -- <50 62d --- <0.50 <0.50 <0.50 <0.50 0.099] - -- <br /> DW2 02/09/11 16.01 36.23 -20.22 No <50a <50 -- <0.50 <0.50 0.38j <0.50 0.32j - -- <br /> DW2 05/18/11 16.01 33.40 -17.39 No __ -_ <br /> DW2 05/19/11 16.01 -- -- 73d <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 -- -- <br />