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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 5 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) [PWO (ug/L) (ug/L) (Ng/L) (pg/L) (Ng/L) (Ng/L) (ug/L) (Ng/L) (pg/L) <br /> MW5 01/30/13 15.15 30.78 -15.63 No --- - - W <br /> MW5 01/31/13 15.15 --- .-• --- 65a,d 390d - <0.50 31 <0.50 1.0 <0.50 - <br /> MW5 05/03/13 15.15 30.39 -15.24 No 140a,d 510d --- <0.50 33 <0.50 1.4 0.72 <br /> MW5 08/21/13 15.15 31.48 -16.33 No 300a,d 2,100d --- <0.50 28 9.2 0.57 15 --- <br /> MW5 12/18/13 15.15 31.00 -15.85 No 120a,d 300d <0.50 2.8 1.5 <0.50 4.0 - <br /> MW6 11/26/07 16.31 37.61 -21.30 No <47 <50 - <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> MW6 02/28/08 16.31 35.20 -18.89 No <47.2 <50.0 <0.500 <0.500 7.89 <0.500 <0.500 <br /> MW6 05/29/08 16.31 35.78 -19.47 No <47.2 <50.0 --- <0.500 <0.500 <0.500 <0.500 <0.500 --- <br /> <47 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW6 08/27108 16.31 38.09 -21.78 No --- --- <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 /> <50 <50 - <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW6 07/14/09 16.31 40.80 -24.49 No --- --- <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 16.31 Unable to locate well. <br /> MW6 09/22/11 16.31 Unable to locate well. <br /> MW6 11/30/11 16.31 32.41 -16.10 No <50a <50 -- <0.50 <0.50 1.4 <0.50 0.60 - <br /> MW6 03/14/12 16.31 31.72 -15.41 No <50a <50 - <0.50 1.7 0.60 <0.50 0.71 - -- <br /> MW6 05/03/12 16.31 31.43 -15.12 No <50a <50 --- <0.50 <0.50 3.4 0.52 2.5 - - <br /> MW6 08/24/12 m 16.31 --• --- --- --- --- -- -•- -•' <br /> MW6 10/24/12 m 16.31 --• --- --- --- --- <br /> MW6 <br /> -MW6 01/30/13 16.31 31.78 -15.47 No --- - - -- - <br /> MW6 01/31/13 16.31 •-• --- <50a <50 - <0.50 <0.50 <0.50 <0.50 <0.50 �- <br /> MW6 05/03/13 m 16.31 - •-- --- •-- --- -- <br /> MW6 08/21/13 m 16.31 •- <br /> MW6 12/18/13 m 16.31 --- --- -- --- --- --- --- --- --- -•- -- <br /> ' <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 /> <47.2 <50.0 <0.500 <0.500 4.78 <0.500 <0.500 <br /> MW7 02/28108 14.67 33.90 -19.23 No --- --- --- <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 /> <47 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW7 08/27/08 14.67 36.93 -22.26 No -•- ••- --- <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 /> <50 <50 ••• <0.50 <0.50 <0.50 <0.50 <0.50 <br /> MW7 01/25/10 14.67 37.90 -23.23 No --- --- <br />