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Table 1. Water-Level Elevations <br /> ARCO Facility 2133,Stockton, California <br /> Top-o -casing Depth-to- Depth-to- Water-level ange since <br />• Well number elevation, bottom of well water, elevation, last measurement, <br /> and date in feet(a) (below TOC) in feet in feet in feet <br /> 1/22/92 1744 -1671 120 <br /> 4/22192 1666 -1593 078 <br /> 7/29/92 18 13 -1740 -1 47 <br /> 10/29/92 1872 -1799 -059 <br /> 1/27/93 1586 -15 13 286 <br /> 4/29/93 1390 -l 3 17 196 <br /> 8/5/93 1520 -1447 -130 <br /> 1119193 1571 -1498 -051 <br /> 3/21/94 1452 -1379 1 19 <br /> 6/27/94 1465 -1392 -013 <br /> 9/29/94 1588 -15 15 -1 23 <br /> 12/8194 1565 -1492 023 <br /> 3/8/95 13.29 -1256 2.36 <br /> MW-1 1 29 297 <br /> 11/9/93 15 69 -1440 -- <br /> 3/21/94 15 11 -13 82 058 <br /> 6/27/94 1494 -1365 017 <br /> 9/29/94 1606 -1477 -1 12 <br /> 12/8/94 1563 -1434 043 <br /> 3/8/95 13.21 -11.92 242 <br /> MW-2 288 2920 <br /> 1119193 1689 -1401 <br /> 3/21194 1644 -1356 045 <br /> 6127194 1629 -1341 015 <br /> 9129/94(b) <br /> 1218/94(d) 1543 -1255 086 <br /> 3/8/95(e) 254 1297 -10.43 2.12 <br /> MW-3 2 31 (f) <br /> 3/8/95 14.18 -11.87 -- <br /> MW-4 2 54(f) <br /> 3/8/95 14.31 -1177 -- <br /> MW-5 1 04(e) <br /> 3/8/95 1291 -11.87 -- <br /> (a)Elevations are based on professional survey of July, 1990 <br /> (b)Well not measured because it was covered by soil pile <br /> (c)Well was essentially dry, water was present in the unscreened bottom cap of the well, but <br /> does not likely represent the water table elevation at the time of measurement <br /> (d)Well casing was altered during construction of the SVE/AS system Data collected by GTI <br /> is based on the altered well casing and is not valid Well casing will require resurveying <br />• (e)Elevation based on professional survey of May 2, 1995 <br /> (f)Elevation based on professional survey of February 24, 1995 <br /> Note Dash indicates not measured or not calculated <br />