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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 7 of 8)
<br /> Vie:l 5amoiinc TOC DTW GW Elev. NAPL TPad TPH9 O&G MTBE a T E x PCBs Svocs
<br /> 'L `.ate (feet) (feet) (feet) (feet) (pg1Q (ug/L) (pglL) (pg/L) (pg1L) (pg1Q (ugfL) (ug/L) (pg)Ll (Ng/L)
<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 1651 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 /> EXi 11/30/11 16.51 31.81 -15.30 No 7,OOOa,d 160,000 -- <1,000 16,000 65,000 3,500 20,000 --- -
<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 150.000d -- <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 1 16.83 34.38 -17.55 No - - -- -_ _-
<br /> EX2 11/30111 16.83 33.10 -16.27 No 6,500a,d 150,000 -- <1,000 19,000 66,000 2,800 19,000 -- --
<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,OOOd 140,000 <500 7,100 51,000 4,900 28,000 --
<br /> W-35-AS3 09/20/11 -- -- -- -- 92,OOOd 42,OOO,OOOk - <1,000 30,000 100,000 13,000 69,000 --
<br /> W-45-AS4 08/24/11 -- -- -- 64,OOOd 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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