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Page 1 of 2 <br /> Table 1 - <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station 4595 <br /> 6100 N Highway 99,Stockton,CA <br /> Well Depth Groundwater Groundwater Ethyl- Xylenes MtBE MtBE <br /> Well Date Elevation to Water Elevation Elevation TPHg Benzene Toluene benzene (total) (EPA 8020) (EPA 8260) DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mglL) <br /> MW-1 6116100 NP 3555 57 65 -2210 -- 1,340 734 669 945 164 <12 5 <2 0 -- <br /> 9/19100 NP 60 68 -2513 -303 2,990 189 182 676 115 <50 0 242 0 3 <br /> 1112100 P 60 74 -25 19 -006 3,000 258 46 7 105 196 <25 0 2 5 2 9 <br /> 315101 P 60 90 -25 35 -016 4,250 479 68 6 208 386 203 128 5 2 <br /> 5/8101 P 6140 -2585 -050 2,130 179 109 590 91 4 771 4 59 0 43 <br /> 811101 P 6317 -2762 -177 120 25 <0 50 <0 50 <0 50 2 8 12 153 <br /> MW-2 6116/00 NP 3294 55 72 -2278 -- 655 28 0 882 2 58 194 179 116 - <br /> 9/19/00 NP 5843 -2549 -271 495 364 <0 50 <0 50 1 45 760 936 0 6 <br /> 1112100 P 5942 -2648 -099 428 126 <0 50 177 204 808 71 2 8 <br /> 3/5/01 P 5839 -2545 103 476 28 7 108 837 277 740 601 4 9 <br /> 518101 P 5905 -2611 -066 315 135 0 638 2 85 148 778 99 8 046 <br /> 811101 P 6098 -2804 -193 630 59 61 11 16 60 76 1 36 <br /> MW-3 6/16100 NP 3361 5635 -2274 - 226 2 89 <0 50 284 102 929 869 - <br /> 9/19/00 NP 5901 -25 40 2 66 217 0 582 <0 50 <0 50 <0 50 <2 5 <20 0 5 <br /> 1112100 P 5911 -2550 -010 162 <0 50 <0 50 <0 50 <0 50 120 11 1 3 <br /> 315/01 P 5902 -2541 009 178 <0 500 <0 500 <0 500 0 732 443 735 5 6 <br /> 518101 P 5975 -2614 -073 166 0 515 <0 500 <0 500 0 711 296 3 93 060 <br /> 811101 P 6156 -2795 -181 220 073 <0 50 <0 50 <0 50 <2 5 <2 0 105 <br /> MW-4 6116/00 NP 33 77 5656 -2279 -- 8,910 2,310 <0 50 839 1,520 3,680 3,200 - <br /> 9/19/00 NP 5924 -25 47 -268 18,900 2,240 <20 0 693 2,230 2,240 2,510 0 4 <br /> 11/2/00 P 5859 -2482 0 65 9,230 1,740 <50 0 154 951 1,990 2,200 1 7 <br /> 3/5101 P 5917 -2540 -058 5,250 738 <20 0 33 5 <20 0 1,870 1,760 4 2 <br /> 5/8/01 P 5984 -2607 -067 2,890 875 <20 0 34 4 <20 0 2,350 2,140 050 <br /> 811101 P 6183 -28 06 -199 750 19 <2 5 6 6 <2 5 640 1,400 000 <br /> MW-5 8/1101 P 3225 6052 -2827 — <50 <0 50 <0 50 <0 50 <0 50 <2 5 26 3 51 <br /> MW-6 811101 P 3020 5860 -28 40 — <50 <0 50 <0 50 <0 50 <0 50 <25 <2 0 364 <br /> MW-7 811101 P 3252 6057 -2805 — <50 <0 50 <0 50 <0 50 <0 50 61 94 107 <br /> Projects/ARCO/595/ReportsITables/gwtables595 As <br />