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.r r � r r r r ■�■� � w■r tr rl r wl1 �r � rs � � <br /> Table 1 <br /> Groundwater Monitoring Data and Analytical Results <br /> Former Unocal Service Station No. 0187 <br /> 437 East Miner Avenue <br /> Stockton, California <br /> Product <br /> WELL IDI DATE DTW S.I. GWE Thickness TPHg B T E X MTBE <br /> TOC*(a) (ft (ft.bgs) (MSI) (f) (ugE) (491L) (uglL) (uglE) (ugE) <br /> U-1 <br /> 11.60 08/19/94 47.83 -- -36.23 0.00 5,000 960 17 380 1,200 -- <br /> 11/17/94 47.91 -36.31 0.00 5,000 540 12 250 840 -- <br /> 02/17/95 45.97 -34.37 0.00 3,700 190 19 73 210 -- <br /> 05/09/95 43.26 -31.66 0.00 3,600 170 23 120 140 -- <br /> 08/09/95 41.80 -30.20 0.00 1,600 89 6.7 37 42 <br /> 11/08/95 41.50 -29.90 0.00 2,100 38 5.9 4.2 4.5 -- <br /> 02/06/96 39.89 -28.29 0.00 1,500 37 8.7 34 35 -- <br /> 05/07/96 37.10 -25.50 0.00 660 40 6.7 18 13 -- <br /> 08/06/96 36.85 -25.25 0.00 1,300 260 <2.5 27 26 -- <br /> 11/05/96 36.58 -24.98 0.00 380 63 <2.5 <2.5 3.0 -- <br /> 02/03/97 32.96 -21.36 0.00 640 23 <2.5 13 11 <13 <br /> 05/01/97 32.02 -20.42 0.00 310 4.9 <0.5 <0.5 0.72 <5.0 <br /> 08/04/97 32.35 -20.75 0.00 3802 0.77 <0.5 <0.5 <0.5 <5.0 <br /> 11/03/97 33.31 -21.71 0.00 160 4.2 <0.50 <0.50 1.3 <5.0 <br /> 02/13/98 30.65 -19.05 0.00 2505 5.0 2.9 <1.0 2.9 9.4 <br /> 03/09/98 29.68 -18.08 0.00 520 7.8 <0.50 0.68 0.87 15/<2.04 <br /> 05/26/98 27.30 -15.70 0.00 340 2.3 0.77 <0.50 <0.50 <2.5 <br /> 08/17/98 26.62 -15.02 0.00 <50 <0.50 <0.50 <0.50 <0.50 <2.5 <br /> 11/10198 26.68 -15.08 0.00 1107 <0.50 2.8 <0.50 <0.50 <2.5 <br /> 02/05/99 26.11 -14.51 0.00 <50 0.52 2.2 <50 4.4 -- <br /> 11.03 05/07/99 24.88 -13.85 0.00 <50 <0.50 <0.50 <0.50 <0.50 -- <br /> 08/20/99 25.30 -14.27 0.00 <50 <0.50 <0.50 <0.50 <0.50 <br /> 11/23-24/99 26.19 -15.16 0.00 <50.0 <0.500 1.26 <0.500 1.01 5.471<2.004 <br /> 02/22-23/00 25.37 -14.34 0.00 <50 <0.50 <0.50 <0.50 <0.50 <2.5/<2.04 <br /> 05/30-31/00 24.21 -13.18 0.00 <50.0 0.625 <0.500 <0.500 <0.500 <5.00/<2.004 <br /> 08/31-09101/00 24.95 -13.92 0.00 <50.0 <0.500 <0.500 <0.500 <0.500 <5.00/<2.004 <br /> 11.65 11/20-22/00 25.47 -13.82 0.00 <50.0 <0.500 <0.500 <0.500 <0.500 <5.00/<2.004 <br /> 02/26-27/01 24.94 -13.29 0.00 1,890 25.6 4.26 <2.50 113 <12.5/194 <br /> 06940-325 1 of 38 ENSR Corporation <br /> J <br />