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TABLE 2
<br /> Historical Groundwater Monitoring&Analytical Data
<br /> ARCO Service Station No. 2186
<br /> 3212 North California Street, Stockton,CA
<br /> Depth Measured Calc. _
<br /> TOC to SPH GW GRO a T E x MTBE TBA DIPS ETRE TAME Ethanol 1'2 EDB D.O.
<br /> Well No. Date Hotel levation DCA
<br /> (f MSL) Water Thickness Eiev. WIL} (Ng/L) (p91L) (Ng1L) (Ng1L) (0g1L) (Pg1L} (pg1L) (pg/L) IpgrL) (N91L1 (pg L) {u9rL1 (mglL} Comments
<br /> {feet) (feet) (ft-MSL)
<br /> MW-3R 09/02/09 14.54 49.61 0.00 -35.07 <5D <0.50 <0.50 <0.50 <0.50 <0.50 <10 <300 <0.50 0.73
<br /> 11/23/09 MD 46.55 0.00 -32.01 - - - - - - - - -
<br /> 11124I09 - - <50 <0.50 <0.50 <0.50 <0.50 <0.50 14 <0.50 <0.50 <0.50 <300 <0.50 <0,50 0.91
<br /> 06/21110 41.14 0.00 -26.60 <50 <0,50 <0,50 <0,50 <0.50 <0.50 <10 - - - - <0.50 - 3.74
<br /> 12!01110 MD 41.41 0.00 -26.87 - - - - - - - - -
<br /> 12/02/10 - - - <50 <0.50 <0.50 <0.50 <0.50 <0.50 <10 40.50 0.81
<br /> 06/09/11 37.96 0.00 -23.42 <60 <0.60 <0.60 <0.50 <0.50 <0.50 <10 <0.50 Odor
<br /> MW-4 11!20197 13.83 48.36 0.00 -34.53 89 1.0 1.1 0.63 2.0 11 190 <2.0 <2.0 <2.0
<br /> 02/17/98 43.55 0.00 -29.72 180 0.57 <0.50 <0.50 0.59 29 1B0 <2.0 <2.0 <2.0
<br /> 06124/98 35.06 0.00 -21.23 <50 <0.50 <0.50 <0.50 <0.50 16 <200 <2.0 <2.0 <2.0
<br /> 09121/98 38.67 0.00 -24.84 130 <0.50 <0.50 1.2 1.7 26 <200 <2.0 <2.0 <2.0
<br /> 12114/98 36.61 0.00 -22.78 140 1.1 <0.50 <0.50 <0.50 29 <200 <2.0 <2.0 <2.0
<br /> 03131/99 33.85 0.00 -20.02 <50 <0.50 <0.50 <0.50 <0.50 8.0 <200 <2.0 <2.0 <2.0
<br /> 06111/99 33.47 0.00 -19.64 190 40.50 <0.50 <0.50 <0.50 41 <200 <Z0 <2.0 <2.0
<br /> 09110/99 37.72 0.00 -23.89 210 1.5 <0.50 <0.50 <0.50 1,100 <1,000 <10 <10 <10
<br /> 12/03/99 37.64 0.00 -23.81 64 <0.50 <0.50 40.50 <0.50 730 <400 <4.0 <4.0 6.6
<br /> 04103/00 34.30 0.00 -20.47 <50 <0.50 <0.50 <0.50 <0,50 170 <200 <2.0 <2.0 <2.0
<br /> 06122/00 34.37 0.00 -20.54 230 <2.0 <2.0 <2.0 <2.0 2,100 <200 <2.0 <2.0 16
<br /> 09/27/00 39.80 0.00 -25.97 190 1.6 <0.50 0.54 1.2 6,600 500 <2.0 3.0 53
<br /> 10/19/00 NS 39.59 0.00 -25.76 - - - - - - - - - -
<br /> 12120/00 37.68 0.00 -23.85 <50 <0.50 <0.50 <0.50 <0.50 1,200 <200 <2.0 <2.0 10
<br /> 03/16/01 36.50 0.00 -22.67 <50 <0.50 <0.50 <0.50 <0.50 480 <200 <2.0 <2.0 3.8
<br /> 46/21/01 39.37 0.00 -25.54 <50 <0.50 <0.50 <0.50 <0.50 590 <500 <10 <10 <10
<br /> 09/13/01 45.12 0.00 -31.29 150 <0.50 <0.50 <0.50 <0.50 7,600 <5,000 <100 <100 <100
<br /> 12/11/01 42.43 0.00 -28.60 84 N <0.50 <0.50 <0.50 <0,50 5,600 <1,000 <100 <100 <100
<br /> 03/14/02 39.26 0.00 -25.43 88 N <0.50 <0.50 <0.50 <0.50 4,900 <100 <10 <10 33
<br /> 06/19/02 41.46 0.00 -27.63 540 N <0.50 <0.50 <0.50 <0.50 2,900 <500 <50 <50 <50 <50 -
<br /> 09112l02 48,62 0.00 -34,79 450,000 <500 <500 <500 <500 16,000 <5,000 <500 <500 <500 <40,OOO <500 <500
<br /> 12/03/02 45.54 0.00 -31,71 <50,000 <500 <500 <500 <500 6,600 <20,000 <500 <500 <500 - <500 -
<br /> 03/11103 45.78 0.00 -31.95 <25,000 <250 <250 <250 <250 4,200 410,000 <250 <250 <250 <50,000 <250 0.5
<br /> D6109103 42.77 0.00 -28.94 <500 <5.0 <5.0 <5.0 <5.0 3,200 <2,000 <100 <100 <100 <10,000 <50 4.0
<br /> 09!16103 50.54 0.00 -36.81 2,700 R <250 <250 <250 <250 6,500 <10.000 <500 <500 <500 <50,000 <250 2.3
<br /> 12/11103 45.63 0.00 -31.80 3,000 R <50 <50 <50 <50 6,500 3 <2,000 <100 <100 <100 <10,000 110 -
<br /> 03/10104 45.93 0.00 -32.10 1,900 <100 <100 <100 <100 6,900 J <4,000 <200 <200 <200 <20,OOD <100 1.4
<br /> 06/17104 47.39 0.00 -33.56 2,600 4250 <250 <250 <250 10,000 <10,000 <500 <500 4500 <50,000 <250 1.7
<br /> 09!23104 53.70 0.00 -39.87 84D <25 <25 <25 <25 2,500 1,600 <50 <50 <50 <5,000 47 <25 1.4
<br /> 12/21104 48.07 0.00 -34.24 1,100 <120 <120 <120 <120 2,800 <5,000 <250 <250 450 <25,000 <120 <120 1.5
<br /> 03/30105 43.97 0.00 -30.14 <50 <0.50 <0.50 <0.50 <0.50 27 24 <1.0 <1.0 <1.0 <100 <0.50 <0.50 4.5
<br /> 06/13105 41,95 0.00 -28.12 <500 <5.0 <5.0 <5.0 <5.0 280 <200 <5.0 <5.0 <5.0 41,000 <5.0 <5.0 1.1
<br /> 09/08/05 48.19 0.00 -34.36 1 41100 45 <25 <25 <25 4,300 <1,000 <25 <25 31 <5,000 <25 <25 0.6
<br /> 2186 2Q11 Tables.xlsm Page 6 of 19 Sfantec
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