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P�of2 <br /> Ta� <br /> Groundwater Elevation and Analytical Data <br /> Former ARCO Service Station#4493 <br /> 205 North Center Street <br /> Stockton,California <br /> Well Depth Groundwater Change in TPH as Ethyl- <br /> Well Date Elevation to Water Elevation Groundwater Gasoline Benzene Toluene benzene Xylenes MtBE MtBE(8260 TBA DO <br /> Number Sampled (feet,MSL) (feet,TOC feet,MSL) (feet,MSL) b b b b b b b b m IL <br /> MW-1 2116199 11.94 13.35 -1.41 231 1.35 NO 2.37 ND ND' - <br /> 3110/99 13.01 -1.07 0.34 - <br /> 06/17/99 11.89 0.05 1.12 <50 3,52 <0.5 <0.5 3,02 <2-08 <br /> 09/24199 -------------------- ----Well lnaccessable----------------------------- - <br /> 12!16!99 NP 14.39 -2.45 <50 2.35 <05 <0-5 3.02 <2.50 2 9 <br /> 03/28100 P 12.12 -018 2.27 132 0.864 <0.5 <0.5 <0.5 <2.50 1.82 <br /> 06/19/00 P 11.63 0.31 0.49 <50 0.692 <0.500 <0.500 <0.500 20.6 <2.0 <200` 3.77 <br /> MW-2 2116199 12.43 14.56 -2.13 NO NO NO NO ND NDe - <br /> 3110199 1370 -1.27 0.86 - <br /> 06/17/99 12.52 -0.09 1.18 <50 <0.5 <0.5 <0.5 <0.5 <2.08 - <br /> 09/24/99 NP 12-24 0.19 0.28 <50 <0.5 <0.5 <0.5 <0.5 <5-0 4-2 <br /> 12/16/99 NP 15.29 -2-86 -3.05 <50 <0-5 <0.5 <0.5 <0.5 <2.50 - 4.3 <br /> 03/28/00 P 12.95 -0.52 2.34 52.2 <0.5 <0.5 <0.5 1.22 <2.50 - 2.88 <br /> 06119100 P 12.57 -0.14 0.38 <50 <0.500 <0.500 <0.500 <0.500 <2.50 <2,0 <20V 2.12 <br /> MW-3 2116199 12.51 14.64 -2.13 ND ND NO ND NO 7.06' - <br /> 3l10199 13.99 -1.48 0.65 - - <br /> 06/17/99 12.97 -0.46 1.02 <50 <0.5 <0-5 <0.5 2.26 144e <br /> 09/24199 ---------------------------Well Inaccessable------------------------------ <br /> 12M6/99 NP 15-53 -3.02 <50 co 5 <0-5 <0.5 <0.5 <2.50 - - 4.1 <br /> 03!28/00 P 13.21 -0.7 2.32 <50 <0 5 <0.5 <0.5 <0.5 246 - -- 2.24 <br /> 06119/00 P 12.79 -0.36 0.34 <50 <0.500 <0.500 <0.500 <0.500 278 260 <2000 1.98 <br /> MW-4 2/16199 1219 14,41 -2-22 15,000 503 ND 707 1,550 9,990 <br /> 3110199 13,61 -142 0.8 <br /> 6117199 1243 -0.24 1 18 10,800 230 177 597 936 766h - - <br /> 09/24/99 NP 1272 -0.53 -0.29 4,880 173 <100 262 <10 670 4.9 <br /> 12116!99 NP 15.17 -2.98 -2.45 7,830 260 <100 570 113 1,310 19 <br /> 03/28100 P 1283 -0.64 2.34 5,330 298 <20.0 318 443 4,960 1.00 <br /> 06!19100 P 12.44 -0.25 0.39 2,860 186 <20.0 223 123 3,790 �2.0�� 225`/ 3.82 <br /> f <br />