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<br />• <br />• <br />Enclosure 8 <br />Table of Contents <br />Doc Date:1y11/2001 <br />iiiiiiiuiiiiiiiiii <br />sss <br />Executive Summary ........................................... 1 <br />Hydrologic Monitoring Activities ............. ...................... 2 <br />Surface Water Monitoring .............. ...................... 2 <br />Spring Water Monitoring ............... ...................... 3 <br />Groundwater Monitoring ............... ...................... 6 <br />Mine Water Monitoring ................ ...................... 6 <br />North Fork Water ................ ...................... 6 <br />Sanitary Waste Water .............. ...................... 9 <br />Groundwater Inflows ............... ...................... 9 <br />"F"Seam ..................... ...................... 9 <br />"B"Seam ..................... ...................... 9 <br />.Water Balance ................... ....................... 9. <br />Mine Water Quality ............... ...................... 10 <br />Runoff from Disturbed Areas .......... ...................... 10 <br />Refuse Pile Water Quality ............ ...................... 11 <br />Hydrologic Data Interpretation and Impact Assessment for the Permit and Adjacent <br />Areas ............................................... ...12 <br />Assessment of Mine Water and Groundwater ...................... ... 12 <br />Mine Water ....................................... ... 12 <br />Assessment of Springs .................................... ... 13 <br />Assessment of Groundwater ................................ ... 13 <br />Alluvial Wells and the Lower Refuse Pile ..................... ... 13 <br />Barren Member .................................. ... 14 <br />••F" Seam ...................................... ... 14 <br />..E"Seam ...................................... ...14 <br />..B"Seam ...................................... ...14 <br />Rollins Sandstone ................................. ... 15 <br />Assessment of Surface Water and AVF'S ........................ ... 15 <br />Baseline Characterization of Water Quality and Streamflow .......... ... 15 <br />Comparison of Baseline Water Quality with Operational Data ......... ... 15 <br />Mine Water Management and Impact Assessment ................ ... 16 <br />North Fork Water ................................... ... 16 <br />Sanitary Waste Water ............................... ... 16 <br />Mine Water ..................................... ...16 <br />Runoff from Disturbed Area .......................... ... 17 <br />Adequacy of Monitoring Program ............................ ... 17 <br />Mining Activities Planned for 1994 ...................... ... 17 <br />Expansion ..................................... .... 17 <br />FSeam ...................................... ....18 <br />BSeam .................................. .. ....18 <br />i <br />