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TabPel PAR of 31 <br /> Groundwater Elevatlon and Analytical Data <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Dr.,Stockton,California <br /> Well Depth Product Groundwater Groundwater Total <br /> Date Elevation to Water thickness, Elevation Elevation change TPH-G Benzene Toluene Ethylbenzene Xylenes MtSE DO <br /> Sampled (feet,MSL) (feet,TOC) in feet (feet,MSL) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) mgll <br /> E-8 3/8/90 15.54 -14.57 -- -- 38.9 3.4 2.2 15.3 -- <br /> (oont.) 4/5190 15.79 -- -14.82 -0.25 - -- -- -- -- <br /> 4/19/90 15.89 -14.92 -0.10 -- -- - _ <br /> 5/10/90 16.16 -- -15.19 -0.27 - <br /> 5/24190 16.14 -15.17 0.02 <br /> 6/5/90 -- -- <br /> 6/18/90 16.97 -16.00 -- - 147 2.9 2.4 12.7 <br /> 7/12/90 16.90 -15.93 0.07 -- -- -- -- <br /> 8116/90 17.30 -16.33 -0.40 -- -- -- <br /> 9/17/90 17.54 -16.57 -0.24 -- -- -- -- -- <br /> 9/18190 17.54 -- -16.57 0.00 140 23 <0.5 1.5 16 -- <br /> 10/11/90 17.67 -16.70 -0.13 -- -- -- -- -- _ <br /> 1216190 -- -- <br /> 2/12191 18.13 - -17.16 -- 1,300 110 15 17 65 <br /> 2125/91 18.05 -17,08 0.08 -- -- -- -- -_ _ <br /> 4123191 16.39 -15.42 1.66 310 9.3 <0.5 <0.5 0.87 <br /> 7/16/91 18.89 -- -17.92 -2.50 200 18 <0.5 0.7 2.5 <br /> 10/8/91 19.46 -18.49 -0.57 <50 7.8 <0.5 <0.5 0.61 <br /> 1/22192 17.69 -- -16.72 1.77 250 2.8 0.6 2.1 <0.5 <br /> 4/22/92 16.71 -15.74 0.98 1,200 93 <2.5 3.7 5.3 -- <br /> 7/29/92 18.21 - -17.24 -1.50 690 81 1.3 5.7 6 - <br /> 10/29/92 18.62 -17.65 -0.41 620 87 <0.7 7.1 6.7 <br /> 1/27/93 15.42 -- -14.45 3.20 960 31 <1 1.9 1.8 - <br /> 4/29193 13.56 -12.59 1.86 360 20 <4.2 2.2 1.7 -- <br /> 8/5/93 15.28 -- -14.31 -1.72 320 12 <0.5 2.3 1.6 - <br /> 11/10/93 15.62 -14.65 -0.34 310 12 2.4 1.7 1.4 -- <br /> 3121/94 15.00 -- -14.03 0.62 220 0.9 1.1 1.0 1.3 - <br /> 6/27/94 14.79 -13.82 0.21 400 24 2.4 4.6 2.0 -- <br /> 9/29/94 15.76 -- -14.79 -0.97 670 46 <0.5 8.9 <0.5 -- <br /> 12/8194 15.37 - -14.40 0.39 190 3.5 1 1.1 2.4 - -- <br /> 3/8/95 12.93 -11.96 2.44 200 13 <0.5 2.9 <0.5 -- <br /> 611195 11.46 -- -10.49 1.47 650 26 1 8.5 1.5 <br /> 9/11/95 13.66 -- -12.69 -2.20 370 7.4 <0.5 2.1 <0.5 -- -- <br /> 1215/95 14.00 -13.03 -0.34 150 2.8 <0.5 1.1 <0.5 <br /> 3/18196 9.05 -8.08 4.95 2,000 19 <0.5 9.3 13 -- <br /> 6/18/96 9.80 -8.83 -0.75 2,300 41 4.7 18 4.9 <5 -- <br /> 9/25196 12.28 - -11.31 -2.48 2,000 31 <1 14 1.4 <10 <br /> 12/4/96 11.73 -- -10.76 0.55 1,800 29 <5 15 <5 <50 <br />