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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 4 of 7) <br /> Well Sampling TOC DTW GW Elev. NAPL TPHd TPNg O&G MTBE 8 T X PCBs SVOCs <br /> ID Date (feet) [fee?] (feel) (feet) (pg/L) (pg/L) (Ng/L) (u9'L) (pg)L) (pg/L) (Pg/L) (pg/L) (pg/L) (Pg/L) <br /> MW6 11/13/08 16.31 38.38 -22.07 No <47 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW6 01/28/09 16.31 39.29 -22.98 No <50 <50 -- <0.50 0.35j 0.42j <0.50 0.45j <br /> MW6 04/29/09 16.31 39.00 -22.69 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW6 07/14/09 16.31 40.80 -24.49 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW6 10/27/09 16.31 41.10 -24.79 No <50 <50 -- <0.50 <0.50 0.37j 0.048j 0.26j <br /> MW6 01/25/10 16.31 39.18 -22.87 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW6 04/07/10 16.31 37.35 -21.04 No <50 <50 -- <0.50 <0.50 0.36 <0.50 0.18j <br /> MW6 08/09/10 16.31 37.26 -20.95 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 0.092j <br /> MW6 10/05/10 16.31 37.98 -21.67 No <50 63d -- <0.50 <0.50 0.29j <0.50 <0.50 <br /> MW6 02/09/11 16.31 36.59 -20.28 No <50a 50j -- <0.50 0.56 5.5 0.52 3.2 <br /> MW6 05/18/11 to present 16.31 Unable to locate well. <br /> MW7 11/26/07 14.67 36.31 -21.64 No <47 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW7 02/28/08 14.67 33.90 -19.23 No <47.2 <50.0 -- <0.500 <0.500 4.78 <0.500 <0.500 <br /> MW7 05/29/08 14.67 34.40 -19.73 No <47.2 <50.0 -- <0.500 <0.500 <0.500 <0.500 <0.500 <br /> MW7 08/27/08 14.67 36.93 -22.26 No <47 <50 __ <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW7 11/13/08 14.67 37.24 -22.57 No <47 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 _ <br /> MW7 01/28/09 14.67 38.05 -23.38 No <50 <50 -- <0.50 0.21i,j 0.35j 0.23i,j 0.87j <br /> MW7 04/29/09 14.67 37.80 -23.13 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 _ <br /> MW7 07/14/09 14.67 39.60 -24.93 No <50 64 -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW7 10/27/09 14.67 40.01 -25.34 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 0.085j <br /> MW7 01/25/10 14.67 37.90 -23.23 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 _ <br /> MW7 04/07/10 14.67 36.05 -21.38 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 0.093] <br /> MW7 08/09/10 14.67 36.00 -21.33 No <50 <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW7 10/05/10 14.67 36.80 -22.13 No <50 80d -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW7 02/09/11 14.67 36.35 -21.68 No <50a <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW7 05/18/11 14.67 32.67 -18.00 No <50b <50 -- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW7 09/22/11 14.67 32.51 -17.84 No <50a 81 -- <0.50 15 9.5 3.3 6.8 <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 /> MW8 02/09/11 15.45 36.50 -21.05 No <50a <50 -- <0.50 <0.50 <0.50 <0.50 0.091j - <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 /> DWI 02/23/09 16.99 39.48 -22.49 No 59,000 <50 5.600k 12,OOOk 1,800k 9,800k --- --- <br />