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TABLE 1A <br /> CUMULATIVE GROUNDWATER MONITORING AND SAMPLING DATA <br /> Former Mobil Service Station 99CAS <br /> 75 East Alpine Avenue <br /> Stockton,California <br /> (Page 6 of 11) <br /> Well Sampling TOC DTW GW Elev- NAPL TPHd TPHg O&G MTBE B T E X PCBs SVOCs <br /> ID Date (feet) (feet) (feet) (feet) (pg1L) (pg/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (Ng/L) (ug/L) (Ng/L) <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 /> MW7 11/30/11 14.67 31.47 -16.80 No <50a <50 <0.50 0.55 0.81 <0.50 0.95 - <br /> MW7 03/14/12 14.67 30.37 -15.70 No <50a <50 --- <0.50 3.7 0.97 0.65 0.99 <br /> MW7 05/03/12 14.67 30.01 -15.34 No <50a <50 --- <0.50 <0.50 2.2 <0.50 1.6 <br /> MW7 08/24/12 m 14.67 -•- --- --- --- <br /> MW7 10/24/12 m 14.67 - --- --- --- --- --- <br /> MW7 01/30/13 14.67 30.48 -15.81 No --- --- --- --- •-• -- --- "•- <br /> MW7 01/31/13 14.67 --- --- --- <50a <50 --- <0.50 <0.50 <0.50 <0.50 <0.50 --- --- <br /> MW7 05/03/13 m 14.67 --- --- -" --- -- - <br /> MW7 08/21/13 m 14.67 --- --- ... -- <br /> MW7 12118/13 m 14.67 --- --- --- --- --- <br /> MW8 <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 /> < <0.50 <0.50 1.5 <0.50 <0.50 <br /> MW8 11130/11 15.45 32.37 -16.92 No <50a 50 ••• --- <br /> MW8 03/14/12 15.45 31.26 -15.81 No <50a <50 <0.50 0.53 <0.50 <0.50 <0.50 <br /> MW8 05/03/12 15.45 Well inaccessible. <br /> MW8 08/24/12 m 15.45 - - --- ... "' -- - <br /> MW8 10/24/12 m 15.45 --- -- -_ <br /> MW8 01/30/13 15.45 31.39 -15.94 No --- ••• --- -- --- --- --- --- '.. <br /> MW8 01/31/13 15.45 -- --- <50a <50 --- <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> MW8 05/03/13 m 15.45 •-- --- --- - - -_. ... <br /> MW8 08/21/13 m 15.45 --- - --- --- <br /> MW8 12/18/13 m 15.45 --- •-• --- --- --- "' - <br /> DW1 02/23/09 16.99 39.48 -22.49 No --- 59,000 <50 5,600k 12,OOOk 1,800k 9,800k --- <br /> DW1 04/29/09 16.99 39.35 -22.36 No <50 37,000 <250 2,800 6,500 870 4,600 <br /> DW1 07/14/09 16.76 41.17 -24.41 No <50 14,000 --- <50 1,200 2,500 470 2,400 <br /> DW1 10/27/09 16.76 41.44 -24.68 No 57d 8,000 --- <25 990 1,100 360 1,500 - <br /> DW1 01/25/10 16.76 39.59 -22.83 No 73d 6,400 --- <12 640 590 260 1,000 - <br /> DW1 04/07/10 16.76 37.65 -20.89 No <50 5,700 ••. 4.1j 550 500 240 900 - <br />