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TABLE IA <br /> CUMULATIVE GROUNDWATER MONITORING AND SAMPLING DATA <br /> Former Mobil Service Station 99CAS <br /> 75 E.Alpine Avenue <br /> Stockton,California <br /> (Page 6 of 8) <br /> Well Sampling TOC DTW GW Elev. NAPL TPHd TPIA O&G MTBE B T E X PCBs SVOCs <br /> I❑ Dat (feet) (feet) (Feet) (feet) (pg/L) (pglL) (pg/L) (N9/L) (Ng/L) (pg/L) (u9/L) (p9/L) (pg/L) (pg1L) <br /> DW2 09/22/11 16.01 33.41 -17.40 No <50a <50 --- <0.50 <0.50 <0.50 <0.50 <0.50 --- --- <br /> DW2 11/30/11 16.01 32.34 -16.33 No --- ___ ___ _ ___ ___ ___ ___ --- <br /> DW2 12/01/11 16.01 --- ... 55a,d 1,300 --- <0.50 170 570 25 140 --- -- <br /> DW2 03/14/12 16.01 31.35 -15.34 No <50a 58d --- <0.50 8.3 3.1 1.9 4.8 --- --- <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 03114112 16.99 32.31 -15.32 No -- --- --- --- --- --- ... ... --- ... <br /> DW3 03115112 16.99 --- --- --- 130a,d 2,700d --- <50 75 <50 <50 <50 --- --- <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 03114112 15.98 31.69 -15.71 No <50a 53 --- <0.50 6.4 2.0 1.4 3.1 --- --- <br /> EX1 07/14/09 16.51 40.80 -24.29 No 500 170,000 --- <1,200 34,000 65,000 3,000 19,000 --- --- <br /> EX1 10/27/09 16.51 41.20 -24.69 No 3,500d 110,000 --- <1,200 22,000 54,000 2,300 14,000 --- --- <br /> EX1 01/25/10 16.51 39.35 -22.84 No 400d 120,OOOd --- <1,200 18,000 54,000 2,400 16,000 --- --- <br /> EX1 04/07/10 16.51 37.47 -20.96 No 990 150,000 --- <1,000 28,000 66,000 3,600 21,000 -- <br /> EX1 08/09/10 16.51 37.33 -20.82 No --• .-- ___ ___ ___ ___ ___ ___ ___ <br /> EX1 08/10/10 16.51 --- --- --- 700d 130,OOOd --- <1,000 25,000 65,000 3,100 19,000 -- - <br />