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i • • <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station #2133 <br /> 2908 Benjamin Holt Drive <br /> Stockton, California <br /> Well Depth Product Groundwater Groundwater Ethyl- Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft) (tt,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mglL) <br /> BHD-1 9129194 1546 -1488 -1 16 7,200 170 12 460 340 - <br /> (cont) 1218194 1499 -1441 047 8,200 160 14 560 640 <br /> 3/8195 1281 -1223 218 6,000 84 62 300 97 <br /> 611/95 1129 -1071 1 52 7,100 97 <5 370 250 <br /> 9111/95 1321 -1263 -1 92 5,600 110 6 340 270 <br /> 1215/95 1370 -1312 -049 9,200 74 <10 470 410 <br /> 3/18/96 938 880 432 4,200 99 28 360 320 -- <br /> 6/18196 950 -892 -012 5,500 82 <10 430 300 <100 <br /> 9/25196 11 80 -1122 -230 4,600 75 55 280 160 <50 - <br /> 12/4/96 11 50 -1092 030 4,500 83 11 350 220 <50 -- <br /> 3/19/97 P 702 -644 448 2,300 54 <10 190 100 -- 01 <br /> 615197 NP 838 - -780 -1 36 3,500 39 3 76 12 170 0 2 <br /> 8119197 NP 998 -940 -1 60 440 7 9 094 <0 5 <0 5 360 02 <br /> 11/25/97 NP 1042 - -984 044 1,300 2 8 085 7 9 28 220 - <br /> 3/20/98 P 445 -387 597 490 34 3 37 24 210 5 4 <br /> 6124198 P 592 -534 -147 5,500 37 <10 170 46 580 30 <br /> 9/10/98 NP 812 - -754 -220 349 319 <0 500 0 542 <0 500 567 -- <br /> 12/17/98 P 770 -712 042 1,000 252 <1 0 109 368 627 -- <br /> 3110199 P 655 597 1 15 432 102 <0 500 1 59 173 263 23 <br /> 6122199 NP 813 - -755 -1 58 162 <0 5 <0 5 <0 5 <0 5 728 08 <br /> 9/13/99 NP 928 -870 -1 15 420 <0 5 <0 5 0 956 <0 5 1,410 1 2 <br /> 12/16/99 Well box inaccessible <br /> 3/23100 P 465 -407 -- 559 <05 <0 5 137 0 627 <2 5 09 <br /> 6/21100 P 642 -584 177 895 133 <0 5 <0 5 <0 5 175 01 <br /> 9113100 NP 837 -779 -195 176 498 0 806 110 117 1,010 20 <br /> 12/15/00 P 793 -735 0 44 <50 0 <0 500 <0 500 <0 500 <0 500 505 0 73 <br /> 3/2/0i Well inaccessible <br /> 5110/01 P 5 83 -525 -- 101 0 788 <0 500 1 33 1 25 639 1 4 <br /> 8122101 P 863 -805 -280 <500 <50 <5 0 <50 <5 0 850 -- <br /> 1215/01 P 808 -750 055 <500 <50 <50 <5 0 <5 0 470 1 84 <br /> 3112102 P 605 -547 203 <500 <5 0 <5 0 <5 0 <50 430 093 <br /> 616/02 P 703 645 -098 95' <0 50 <0 50 <0 50 <0 50 170 022 <br /> 9124102 P 8 92 -834 -1 89 500" 37 0 89 64 0 90 290 4 29 <br /> 12/17/02 P 786 -- -728 106 72 <0 50 <0 50 <0 50 <0 50 78 — <br /> Projects/ARCO/2133/Reports/Tables/gwtables2133 As 30 <br />