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TABLE 1A
<br /> CUMULATIVE GROUNDWATER MONITORING AND SAMPLING DATA
<br /> Fortner Mobil Service Station 99CAS
<br /> 75 E.Alpine Avenue
<br /> Stockton,California
<br /> (Page 6 of 7)
<br /> Well Sampling TOC DTW GW Elev. NAPL TPHd TPHg O&G MTBE B T E X PCBs SVOCs
<br /> ID Daae (feet) (feet) (feei) ;iaail wg/'-) (41) (pg/L) (pg/L) (lug/L) (pg/L) (IJg/L) (p9/L) (Ijg1L) (pg/L)
<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 /> 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 /> 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 120.000d --- <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 /> EX1 10/05/10 16.51 38.12 -21.61 No - -
<br /> EX1 10/06/10 16.51 -- -- - 1,400d 240,000 -- <1,000 26,000 66,000 3,600 20,000
<br /> EX1 02/09/11 16.51 36.70 -20.19 No 910a,d 130,OOOd -- <1,000 19,000 56,000 3,000 17,000
<br /> EX1 05/18/11 16.51 33.87 -17.36 No __ __ ---
<br /> EX1 05/19/11 16.51 -- 1,200d 160,000 - <1,000 20,000 68,000 4,100 24,000
<br /> EX1 09/22/11 1 16.51 34.04 -17.53 No --
<br /> EX2 07/14/09 16.83 41.20 -24.37 No 740 170,000 - <1,200 47,000 69,000 3,400 19,000
<br /> EX2 10/27/09 16.83 41.53 -24.70 No 2,700d 70,000 -- <1,200 22,000 29,000 1,300 7,500
<br /> EX2 01/25/10 16.83 39.69 -22.86 No 710d 120,OOOd -- <1,000 35,000 44,000 1,400 9,500
<br /> EX2 04/07/10 16.83 37.81 -20.98 No 820 170,000 -- <500 50,000 73,000 3,800 24,000
<br /> EX2 08/09/10 16.83 37.70 -20.87 No -_ -
<br /> EX2 08/10/10 16.83 -- --- -- 890d 150,OOOd -- <1,000 45,000 71,000 2,900 20,000
<br /> EX2 10/05/10 16.83 38.45 -21.62 No
<br /> EX2 10/06/10 16.83 -- -- -- 1,500d 280,000 - <1,000 46,000 67,000 3,300 20,000 '
<br /> EX2 02/09/11 16.83 37.08 -20.25 No 670a,d 150,OOOd -- <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 1 16.83 34.38 -17.55 No
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