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Table 1 Page 1 of 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#595 <br /> 6100 North Highway 99 Stockton CA <br /> Well Depth Groundwater Ethyl MTBE MTBE <br /> Well Date Elevation to Water Elevation TPH G Benzene Toluene benzene Xylenes 8020 8260 DO <br /> Name Sampled (feet MSL) (feet,TOC) (feet MSL) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/1) <br /> 6116/00 NP 35 55 5765 -2210 1340 734 6 69 945 16 4 <125 <2 0 NM <br /> MW-1 9119100 NP 3655 6068 -26 13 2,990 189 18 2 67 6 115 <50 0 242 0 3 <br /> 6116100 NP 3294 5572 2278 655 28 0 882 258 194 179 116 NM <br /> MW-2 9119!00 NP 3294 5843 -2649 495 3 64 <0 50 <0 50 146 76 0 93 6 0 6 <br /> 6116100 NP 3361 5635 -2274 226 289 <0 50 2 84 102 929 869 NM <br /> MW 3 9119100 NP 3361 5901 -2640 217 0 562 <0 50 <0 So <0 50 <2 5 <2 0 0 5 <br /> 6116100 NP 3377 56 56 2279 8 910 2 310 <0 50 839 1 520 3 680 3200 NM <br /> MW-4 9119100 NP 3377 59 24 -2647 18 900 2 240 <20 0 693 2,230 2 240 2,510 0 4 <br /> TOC = Top of Casing <br /> MSL =Mean Sea Level <br /> TPH-G =Total Petroleum Hydrocarbons as Gasoline by EPA Method 8015 Modified <br /> MTBE 8020=Methyl Tertiary Butyl Ether by EPA Method 8020 <br /> MTBE 8260=Methyl Tertiary Butyl Ether by EPA Method 8260 <br /> PINP =Well purgedlnot purged prior to sample collection <br /> < = Below detection limits <br /> ppb =parts per billion <br /> mg11 =milligrams per liter <br /> NM = Not measured <br />