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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 1 of 8)
<br /> Well Sampling TOC DTW GW Elev. NAPL TPHd TPHg OKG MTBE B T E X PCBs SVOCs
<br /> 1D Date (feet) (feet) (feat) (feet) (ug/L) {uglL) (pg/L) (Ng/L) (pg/L) (pg1L) (pg/L) (pg/L) (Ng/L) (pg/L)
<br /> MW1 03/26/07 16.02 33.70 -17.68 No 65 100 <4.7 <0.50 <0.50 <0.50 <0.50 0.77 <0.47 ND
<br /> MW1 06/28/07 16.02 34.84 -18.82 No --- 130 --- <0.50 <0.50 0.56 <0.50 <0.50 ---
<br /> MW1 09/12/07 16.02 37.41 -21.39 No 76 110 --- <0.50 <0.50 <0.50 <0.50 <0.50
<br /> MW1 11/26/07 16.02 37.20 -21.18 No 200d 91 --- <0.50 <0.50 <0.50 <0.50 <0.50
<br /> MW1 02/28/08 16.02 34.79 -18.77 No <47.2 89.7 --- <0.500 <0.500 <0.500 <0.500 <0,500
<br /> MW1 05/29/08 16.02 35.31 -19.29 No 55.8 96.8 --- <0.500 <0.500 <0.500 <0.500 <0.500
<br /> MW1 08/27/08 16.02 36.62 -20.60 No <47 <50 --- <0.50 <0.50 <0.50 <0.50 <0.50
<br /> MW1 11/13/08 16.02 38.00 -21.98 No <47 75 --- <0.50 <0.50 <0.50 <0.50 <0.50
<br /> MW1 01/28/09 16.02 38.90 -22.88 No <50 97 --- <0.50 0.34i,j 0.31j <0.50 <1.0
<br /> MW1 04/29/09 16.02 38.60 -22.58 No <50 90 --- <0.50 <0.50 <0.50 <0.50 <0,50
<br /> MW1 07/14/09 16.02 40.29 -24.27 No <50 86 --- <0.50 <0.50 <0.50 <0.50 <0.50
<br /> MWI 10/27/09 16.02 40.77 -24.75 No ---
<br /> --- --- --- --- ---
<br /> 1 10/28/09 16.02 --- --- --- <50 91d <0.50 <0.50 <0.50 <0.50 0.082'
<br /> MW1 01/25/10 16.02 38.70 -22.68 No <50 100d --- <0.50 <0.50 <0.50 <0.50 <0.50
<br /> MW1 04/07/10 16.02 37.01 -20.99 No <50 95d <0.50 <0.50 0.28 <0.50 0.24j
<br /> Mwi 08/09/10 16.02 36.84 -20.82 No --- --- --_ _-- --- --- ___
<br /> Mwi
<br /> 08/10/10 16.02 --- --- --- <50 63 <0.50 <0.50 <0.50 <0.50 0.18j ---
<br /> MW1 10/05/10 16.02 37.59 -21.57 No --- ___
<br /> MW1 10/06/10 16.02 --- --- --- <50 150d --- <0.50 <0.50 <0.50 <0_50 <0.50
<br /> MW1 02/09/11 16.02 36.40 -20.38 No <50a <50 --- <0.50 <0.50 <0.50 <0.50 0.10j _
<br /> MW1 05/18/11 16.02 33.12 -17.10 No <50b <50 --- <0.50 <0.50 <0.50 <0.50 <0.50
<br /> MW1 09/22/11 16.02 33.38 -17.36 No <50a <50 --- <0.50 <0.50 <0.50 <0.50 <0.50
<br /> Mwi 11/30/11 16.02 32.33 -16.31 No --- ___ ___ __ __
<br /> MW1 12/01/11 16.02 --- --- --- <50a 180 --- <0.50 11 59 4.2 25 -
<br /> MW1 03/14/12 16.02 31.39 -15.37 No <50a <50 --- <0.50 3.3 0.76 0.54 0.70 --- ---
<br /> MW2 03/26/07 15.28 33.28 -18.00 No 3,400 <50,000 --- 1,100 15,000 <500 930 560 ---
<br /> MW2 06/28/07 15.28 34.30 -19.02 No -•- 29,000 --- 980 15,000 <100 1,400 210
<br /> MW2 09/12/07 15.28 36.90 -21.62 No 2,800 25,000 --- 1,200 19,000 <120 1,300 <120
<br /> MW2 11/26/07 15.28 36.73 -21.45 No 2,200d 30,000 --- 860 19,000 <250 1,100 <250
<br /> MW2 02/28/08 15.28 34.25 -18.97 No 8,000 32,600 --- 885 18,900 27.3 647 60.4
<br /> MW2 05/29/08 15.28 34.83 -19.55 No 8,110 11,400 --- 736 13,800 22.8 588 91.4
<br /> MW2 08/27/08 15.28 37.20 -21.92 No 2,OOOd 17.000g --- 850 19,000 <100 880 180
<br /> MW2 11/13/08 15.28 37.55 -22.27 No 2,700d 20,OOOg --- 660 18,000 130 670 170
<br /> MW2 01/28/09 15.28 38.41 -23.13 No 1,300 26,000 --- 490 16,000 45 320 57i,j ---
<br /> MW2 04/29/09 15.28 38.14 -22.86 No 1,100 25,000 --- 570 15,000 <500 150j <500
<br /> MW2 07/14/09 15.28 39.87 -24.59 No 1,400 27,000 --- 390j 17,000 <500 82j <500
<br /> 2 10/27/09 15.28 40.22 -24.94 No .-- -_- __- ___ ___ __- --
<br /> W2 10/28/09 15.28 --- --- --- 1,300d 18,000 --- 640 13,000 480.00' 210' 630
<br /> MW2 01/25/10 15.28 38.40 -23.12 No 1,100d 18.000d --- 590 11,000 <250 61j 84j ---
<br /> MW2 04/07/10 15.28 36.51 -21.23 No 1,100d 17.000d --- 650 11,000 <250 60 68j
<br /> 2 08/09/10 15.28 36.37 -21.09 No --- --- ___ ___ --_ _-_ __
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