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TABLE 2
<br /> Historical Groundwater Monitoring&Analytical Data
<br /> ARCO Service Station No.2186
<br /> 3212 N. California Street, Stockton, CA
<br /> Wall No. Dets Notes TOC DTW SPH GWE GRO B T E x MTBE TBA RIPE ETBE TAME Ethanol 1,2-DCA EDB D.O. Comments
<br /> (ft-MSL) (feet) (fast) (ft-MSL) (pg1L) (pg1L) (pglL) (N911.) (pg1L) (pg1L) (pg1L) (pWL) (pg1L) (pg1L) (pglt) (pglL) (pglL) (mg1L)
<br /> MW-1 12/11/03 14.65 45.40 0.00 -30.75 12,000 970 860 1,000 3,900 3,200 J <1,000 <50 <50 <50 <5,000 <25
<br /> 03/10/04 45.71 0.00 -31.06 2,600 <120 <120 <120 <120 6,400 J <5,000 <250 <250 <250 <25,000 <120 2.21
<br /> 06/17/04 14.62 48.02 0.00 -33.40 16,000 1,1001 420 1,000 4,000 3,100 <2,000 <100 <100 <100 <10,000 <50 0.90
<br /> D9123104 54.35 0.00 -39.73 1,400 75 4.2 84 220 80 <100 <5.0 <5.0 <5.0 <500 <2.5 <2.5 0.10
<br /> 12/21/04 48.80 0.00 •34.18 3,800 220 <12 220 790 340 <500 <25 <25 <25 <2,5D0 <12 <12 1.03
<br /> 03/30/05 44.65 0.00 -30.03 6,200 460 15 510 1,900 880 <400 <20 <20 <20 <2,000 <10 <10 1.99
<br /> 06/13/05 42.72 0.00 .28.10 7,500 370 <50 390 1,300 3,000 <2,000 <50 <50 <50 <10.000 <50 <50 0.51
<br /> 09/08105 48.90 0.00 -34.28 6,400 390 99 290 1,200 450 <2,000 <50 <50 <50 <10,000 <50 <50 1.46
<br /> 12/06105 44.68 0.00 -30.06 7,300 590 11 420 1,700 870 <400 <10 <10 <10 <2,000 <10 <10 -
<br /> 03/16106 41.02 0.00 -26.40 5,200 270 7.7 240 930 790 840 <5.0 <5.0 5.3 <3,000 <5.0 <5.0 2.21
<br /> 06/20106 38.75 0.00 -24.13 3,000 170 <10 140 580 800 3,100 <10 <10 <10 <6,000 <10 <10 0.82
<br /> 09113106 43.28 0.00 •28.66 8,100 630 35 570 2,100 1,800 4,300 <5.0 <5.0 8.2 <3,000 <5.0 <5.0 2.37
<br /> 12/13106 40.57 0.00 -25.95 4,200 430 6.2 360 1,100 800 <200 <5.0 <5.0 <5.0 <3,000 <5.0 <5.0 1.23
<br /> 03107107 37.97 0.00 -23.35 520 52 <5.0 41 130 250 <200 <5.0 <5.0 <5.0 <3,000 <5.0 <5.0 1.17
<br /> 08126107 39.40 0.00 •24.78 1,200 110 <5,0 89 290 600 280 <5.0 <5.0 <5.0 __<3,000 <5.0 <5.0 0.75
<br /> MW-2 09125195 15.49 59.01 0.00 -43.52 <50 <0.50 <0.50 <0.50 2.0 - - -
<br /> 10123195 NS - 0.00 - - - - -
<br /> 12122195 54.76 0.00 -39.27 <50 @.50 <0.50 <0.50 <0.50
<br /> 02/16196 51.16 0.00 -35.67 <50 <0.50 <0.50 <0.50 <0.50
<br /> 05123196 46.28 0.00 -30.79 <50 <0.50 <0.50 <0.50 <0.50
<br /> 09119196 54.53 0.00 -39.04 <50 <0.50 <0.50 <0.50 <0.50 <3.0
<br /> 11127196 51.67 0.00 •36.18 <50 <0.50 <0.50 <0.50 <0.50 <3.0
<br /> 03121197 43.16 0.00 -27.67 <50 <0.50 <0.50 <0.50 <0.50 <3.0
<br /> 05122197 44.81 0.00 -29.32 <50 <0.50 <0.50 <0.50 <0.50 <3.0 \
<br /> 08120197 50.71 0.00 -35.22 <50 <0.50 <0.50 <0.50 <0.50 <3.0 l
<br /> 11120197 50.17 0.00 -34.68 <50 <0.50 <0.50 <0.50 <0.50 <5.0 -
<br /> 02117198 45.30 0.00 -29.81 <50 <0.50 <0.50 <0.50 <0.50 <5.0
<br /> 06124198 36.69 0.00 •21.20 <50 <0.50 <0.50 <0.50 <0.50 <5.0 <200 <2.0 <2.0 <2.0
<br /> 09121198 40.31 0.00 -24.62 <50 <0.50 <0.50 <0.50 <0,50 <5.0 <200 <2.0 <2.0 <2.0
<br /> 12/14198 38.28 0.00 -22.79 <50 <0.50 <0.50 <0.50 <0.50 <5.0 <200 <2.0 <2.0 <2.0
<br /> 03131199 35.24 0.00 -19.75 <50 <0.50 0.78 <0.50 <0.50 <5.0 <200 <2.0 <2.0 <2.0
<br /> 06111199 35.14 0.00 -19.65 <50 <0.50 <0.50 <15D 0.80 <5.0 <200 <2.0 <2.0 <2.0
<br /> 09110199 39.37 0.00 -23.88 <50 <0.50 <0.50 <0.50 <0.50 <5.0 <200 <2.0 <2.0 <2.0
<br /> 12/03199 39.33 0.00 -23.84 <50 <0.50 <0.50 <0.50 <0.50 <2.5 <200 <2.0 <2.0 <2.0
<br /> 04M)3100 35.90 0.00 •20.41 <50 <0.50 <0.50 <0.50 <0.50 <2.5 <200 <2.0 <2.0 <2.0 -
<br /> 06122100 XD8 0.00 -20.59 <50 <2.0 <2.0 <2.0 2.2 <2.0 <200 <2.0 <2.0 <2.0
<br /> 091271DO 41.38 0.00 -25.89 <50 <0.50 <0.50 <0.50 <0.50 <2.0 <200 c2.0 <2.0 <2.0
<br /> 10119100 NS 41.20 0.00 •25.71
<br /> 02186 2Q07 Tables.xls Page 2 of 14 ItCOR
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