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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 8 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) (Ng/L) (ug/L) (ug/L) (pg/L) (Ng/L) (ug/L) (Ng/L) (pg/L) (Ng/L) (ug/L) <br /> DW2 05/03/13 n 16.01 .•. --- - •-- --- --- .-- --- --- <br /> DW2 08/21/13 16.01 32.29 -16.28 No <50a <50 <0.50 0.63 0.62 <0.50 071 - <br /> DW2 12/18113 n 16.01 --- - --- --- --- --- --- --- --- --- <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 /> DW3 02/09/11 16.99 37.28 -20.29 No <50a 1,800d <10 780 72 71 58 <br /> DW3 05/18/11 16.99 34.44 -17.45 No --- --- --- --- --- --- --- -- -- <br /> DW3 05/19/11 16.99 --- <50 <50 9.7 <0.50 <0.50 <0.50 <0.50 --- <br /> DW3 09/22/11 1 16.99 34.46 -17.47 No --- --- --- --- --- --- --- - <br /> DW3 11/30/11 16.99 33.39 -16.40 No --- --- --- --- --- --- --- <br /> DW3 12/01/11 16.99 --- --- --- 64a,d 2,000 ... 11 330 690 34 200 - <br /> DW3 03/14/12 16.99 32.31 -15.32 No --- -- --- --- --- •-- •-• ... <br /> DW3 03/15/12 16.99 -- --• -- 130a,d 2,700d <50 75 <50 <50 <50 --- --- <br /> DW3 05/03/12 16.99 32.11 -15.12 No 1,500a,d 36,OOOd <50 59 <50 <50 <50 - - <br /> DW3 08/24/12 16.99 33.84 -16.85 No 480a,d 5,500d <100 <100 <100 <100 <100 <br /> DW3 10/24/12 16.99 34.10 -17.11 No 270a,d 8,700d 3.0 49 7.1 2.9 7.1 <br /> DW3 01/30/13 16.99 32.46 -15.47 No --- --- --- --- --- ..- <br /> DW3 01/31/13 16.99 --- --- --- 95a,d 5,600d --- <40 56 <40 <40 <40 - -- <br /> DW3 05/03/13 16.99 32.32 -15.33 No 120a,d 920d --- <40 160 <40 <40 <40 - <br /> DW3 08/21/13 16.99 33.37 -16.38 No <50a <50 <0.50 <0.50 0.56 <0.50 0.59 --- <br /> DW3 12/18/13 16.99 33.68 -16.69 No <50a <50 <0.50 <0.50 1.1 0.60 3.2 - <br /> DW4 07/14/09 15.98 41.30 -25.32 No <50 <50 - 0.81 <0.50 <0.50 <0.50 <0.50 - <br /> DW4 10/27/09 15.98 41.54 -25.56 No <50 <50 --- <0.50 <0.50 <0.50 <0.50 <0.50 - <br /> DW4 01/25/10 15.98 39.37 -23.39 No <50 <50 --• <0.50 <0.50 <0.50 <0.50 <0.50 <br /> DW4 04/07/10 15.98 37.47 -21.49 No <50 <50 --- <0.50 <0.50 <0.50 <0.50 <0.50 --- - <br /> DW4 08/09/10 15.98 37.55 -21.57 No <50 <50 --- <0.50 <0.50 <0.50 <0.50 <0.50 - -- <br /> DW4 10/05/10 15.98 38.29 -22.31 No <50 48j,d --- <0.50 <0.50 <0.50 <0.50 <0.50 <br /> DW4 02/09/11 15.98 36.86 -20.88 No <50a <50 <0.50 <0.50 <0.50 <0.50 <0.50 -- <br /> DW4 05/18/11 15.98 34.02 -18.04 No <50b <50 --- <0.50 <0.50 <0.50 <0.50 <0.50 --- - <br /> DW4 09/22/11 15.98 33.88 -17.90 No <50a 60 --- <0.50 11 7.1 2.7 5.7 - <br /> DW4 11/30/11 15.98 32.81 -16.83 No <50a 56 - <0.50 3.1 6.4 2.6 7.9 - <br /> DW4 03/14/12 15.98 31.69 -15.71 No <50a 53 <0.50 6.4 2.0 1.4 3.1 --- -- <br />