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M = = = = = = M i M r = r = M M M <br />Table 1 <br />April 2009 Depth to Groundwater Measurements and Groundwater Elevations <br />Holcim (US) Inc. <br />Florence, Colorado <br /> <br /> <br />Well <br />Number <br />Well <br />Diameter <br />(inches) <br /> <br />TOC Elevation <br />(ft amsl) <br />Depth to GW <br />April 2009 (ft <br />bloc) Depth to Well <br />Bottom April <br />2009 <br />(ft btoc) <br />GW Elevation <br />April 2009 <br />(ft amsl) <br /> <br />Total Depth <br />(ft bgs) <br /> <br />Screened Interval <br />(ft bgs) <br />MW-6 4 5254.31 - - NA 57 17-52 <br />MW-7 4 5056.26 25.33 49.50 5030.93 47 17-42 <br />MW-8 4 5177.15 - - NA 118 93-118 <br />MW-9 4 5121.90 6.99 45.31 5114.91 42 17-37 <br />1AW-10 4 5112.80 - - NA' 57 42-52 <br />MW-11 2 5095.87 55.11 105.61 5040.76 103 58-103 <br />MW-12 2 5254.04 98.60 150.77 5155.44 148 103-148 <br />MW-13 2 5040.00 18.43 32.19 5021.57 30 15-30 <br />P-2 1.5 5079.46 4.51 28.85 5074.95 36 31-36 <br />P-3 1.5 5063.28 26.96 39.28 5036.32 37 32-37 <br />Dotes: <br />' Monitoring wells MW-6, MW-8 and MW-10 were abandoned on April 7, 2009. Therefore, groundwater levels were not obtained on <br />April 21, 2009. <br />ft amsl - Feet above mean sea level. <br />ft bgs - Feet below ground surface. <br />ft bloc - Feet below top of casing. <br />GW - Groundwater. <br />MW - Monitoring well. <br />NA - Not available. <br />P - Piezometer. <br />TOC - Top of casing. <br />C:\Documenls and Settings\stobgy\My Documents\Holcim\Tables 182.x1sx Page 1 of 1