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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 10 of 11)
<br /> Well Sampling TOC DTW GW Elev, NAPL TPHd T PHg O&G MTBE B T E x PCBs SVQCs
<br /> ID Date (feet) (feet) (feet) (feet) (pg1L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L)
<br /> EX2 02/09/11 16.83 37.08 -20.25 No 670a,d 150,000d <1,000 43,000 73,000 3,600 21,000
<br /> EX2 05/18/11 16.83 34.13 -17.30 No -- --- --- --- --- ---
<br /> EX2 05/19/11 16.83 ... - --- 950d 160,000 <1,000 35,000 64,000 2,700 23,000 --
<br /> EX2 09/22/11 i 16.83 34.38 -17.55 No --- --- --- ••- --- ---
<br /> EX2 11/30/11 16.83 33.10 -16.27 No 6,500a,d 150,000 <1,000 19,000 66,000 2,800 19,000 .-- --
<br /> EX2 03/14/12 16.83 32.16 -15.33 No --- --- --- --- --
<br /> EX2 03/15/12 16.83 --- --- --- 11,000a 170,000 <1,000 6,400 84,000 4,100 28,000 ---
<br /> EX2 05/03/12 16.83 31.82 -14.99 No -- -- •-- --- -- ---
<br /> EX2 05/04/12 16.83 -- --- 7,400a,d 110,000 <1,000 5,500 70,000 3,300 21,000 --- ---
<br /> EX2 08/24/12 16.83 33.53 -16.70 No 13,000a,d 180,000 --• <1,000 16,000 68,000 3,300 22,000
<br /> EX2 10/24/12 16.83 33.82 -16.99 No 12,000a,d 220,000 <1,000 20,000 51,000 2,300 14,000
<br /> EX2 01/30/13 16.83 32.19 -15.36 No --- --- --- --- -•- --- ---
<br /> EX2 02/01/13 16.83 --- --- 3,100a,d 66,000 <500 4,900 31,000 1,700 11,000 -
<br /> EX2 05/03/13 16.83 31.98 -15.15 No 5,500a,d 170,000 <400 20,000 60,000 3,500 21,000 -
<br /> EX2 08/21/13 16.83 33.20 -16.37 No --- --- ..• -
<br /> EX2 08/22/13 16.83 -- --- 21,000a,d 110,000 •-- <500 14,000 37,000 2,400 25,000 -
<br /> EX2 12/18/13 16.83 32.25 -15.42 No 15,000a,d 110,000 --- <500 11,000 35,000 1,900 23,000 ---
<br /> Grab Groundwater Samples
<br /> W-34-SVE1 09/26/11 --- ..- •-- --- 2,900d 9,800d --- 450 4,800 <100 <100 <100 ---
<br /> W-34.5-SVE2 09/26/11 --- 20,000d 140,000 - <500 7,100 51,000 4,900 28,000 ---
<br /> W-35-AS3 09/20/11 - --- 92,000d 42,000,000k - <1,000 30,000 100,000 13,000 69,000
<br /> W-45-AS4 08/24/11 --- 64,000d 190,000 --- <500 7,500 54,000 5,100 25,000 -
<br /> W-35-SVE5 08/31/11 --- - -- 1,200d 3,200 --- 14 790 120 110 220
<br /> W-35-AS6 09/26/11 - - --- 9,500d 130,000 --- <500 25,000 44,000 2,400 15,000 ---
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