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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 7) <br /> Well Sampling TOC DTW GW E[ev. NAPL T PHd TPHg O&G MTBE 8 T E X PCBs SVOCs <br /> ID Date (feet) (feet) (feet) (feed (pg,L) (pgIL) (pgJQ (pg/L) (ug/L) (pg/L) (pg/L) (pg/L) (P91Q (pg/L) <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 09122/11 1 16.76 34.11 -17.35 No <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 0.089j 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 16.01 36.95 -20.94 No <50 <50 -- <0.50 <0.50 <0.50 0.068j 0.27j - <br /> DW2 06/09/10 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 0.099j -- -- <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 /> DW2 09122/11 16.01 33.41 -17.40 No <50a <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 -- -- <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 />