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0 • <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station 42133 <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) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg1L) <br /> E-11 2/25191 1940 -1598 013 -- -- -- -- <br /> (cont) 4123191 1856 -1514 084 400 22 <0 5 17 11 -- <br /> 7/16191 2219 -1877 -363 4,100 420 35 40 360 <br /> 1018/91 2173 - -1831 046 5,700 410 19 62 380 <br /> 1/22/92 2000 -1658 173 6,200 220 64 <14 120 <br /> 4/22/92 1908 -1566 092 14,000 570 57 150 510 <br /> 7/29/92 20 64 -1722 -156 21,000 790 36 280 830 <br /> 10/29/92 2100 -1758 -036 6,600 390 <20 68 150 - <br /> 1/27/93 1768 -1426 332 51,000 830 180 390 950 <br /> 4/29/93 1591 - -1249 177 28,000 530 <100 156 730 - <br /> 815/93 1753 -1411 -162 54,000 540 <130 200 550 - <br /> 11/10/93 1766 - -1414 -003 30,000 290 120 95 280 <br /> 3121/94 1720 - -1378 0 36 4,900 220 16 39 170 - <br /> 6/27/94 1704 -1362 016 3,400 210 79 22 120 <br /> 9129194 1812 -1470 108 2,200 180 13 24 65 - <br /> 12/8/94 1773 - -1431 039 1,800 150 7 9 25 28 <br /> 3/8/95 1525 -1183 248 8,600 85 <17 35 32 <br /> 6/1195 1375 - -1033 1 50 8,900 180 <17 50 71 - <br /> 9111195 1596 -1254 221 7,500 38 <20 32 49 <br /> 12/5/95 1634 -1292 038 1,100 13 <8 6 5 - <br /> 3/18196 11 00 -758 5 34 2,000 24 <0 5 43 65 - <br /> 6/18/96 1205 -863 1 05 620 11 9 32 32 <5 <br /> 9/25/96 1445 11 03 240 400 4 <0 5 1 5 3 3 <5 <br /> 12/4/96 1393 -1051 052 280 35 <0 5 1 4 2 <5 <br /> 3119/97 NP 950 -608 443 <50 <0 5 <0 5 <0 5 <0 5 -- 1 1 <br /> 615/97 NP 11 17 -775 1 67 <50 <0 5 <0 5 <0 5 <0 5 <5 15 <br /> 8119/97 NP 1264 -922 147 <50 <0 5 <0 5 <0 5 <0 5 <5 1 7 <br /> 11/25/97 NP 1285 -943 021 <50 <0 5 <0 5 <0 5 <0 5 <5 -- <br /> 3/19/98 NP 657 -315 628 <50 <0 5 <0 5 <0 5 <0 5 <5 32 <br /> 6/24198 NP 866 -524 209 <50 <0 5 <0 5 <0 5 <0 5 <5 1 4 <br /> 9110198 NP 1030 -688 164 <50 <05 <0 5 <0 5 <0 5 <5 -- <br /> 12/17/98 NP 1036 -694 006 <50 <0 5 <0 5 <0 5 <0 5 <5 - <br /> 3/10/99 NP 819 -477 217 <50 <0 5 <0 5 <0 5 <0 5 <5 3 9 <br /> 6122/99 NP 1019 -677 -200 <50 <0 5 <0 5 <0 5 <0 5 <5 36 <br /> Pro]ects/ARCO/2133/Reports/Tables/gwtables2133 As 21 <br />