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3.0 MONITORING RESULTS SUMMARY <br /> 3.1 GROUNDWATER PHYSICAL CHARACTERISTICS AND PO <br />' SURFACE ELEVATIONS <br />' Table 3-1 presents a summary of groundwater parameters, depths and elevations. Since <br /> groundwater elevations were last taken on 22 March 1999, groundwater elevations have <br /> increased by an average of 0.37 feet These were the highest groundwater elevations measured <br />' since sampling began <br />' Table 3-1 <br /> Groundwater Parameter, Depth, and Elevation Data <br /> Top of <br />' Conduc- Casmg Depth to 19 May 1999 <br /> Temp tivity Elevation (ft Water Water Elevation <br /> Well (°C) pH (uMHOS) MSL) (ft) (ft MSL) <br /> I. MW-2 228 695 2,790 NM 2665 NM <br /> MW-2A 230 698 2,150 1191 2664 -1473 <br />' MW-3A 215 700 2,860 1123 2611 -1489 <br /> MW-4 208 751 1,640 1346 2854 -1508 <br /> MW-5 240 701 1,762 1283 2537 -1254 <br /> MW-6 244 695 1,807 1317 2656 -1339 <br />' MW-7 197 702 1,780 1314 2827 -15 13 <br /> MW-8 NM NM NM 1376 NM NM <br />' MW-9 302- 693 2,800 1226 2706 -1480 <br /> Note NM = Not Measured <br /> A potenttometnc contour map developed from the water level data is presented on Figure 3-1 <br />' As in previous sampling rounds groundwater flow 1s generally toward the north-northeast within <br /> a trough The horizontal groundwater gradient down the center of the trough was 0 000065 ft/ft <br /> L\PR0JEGTS%SAN10QMAMBA_99.JUN 5 Jum 19" <br />