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:~ <br />III IIIIIIIIIIIIIIII <br />Internal i~temorandum <br />TO: Jim Burnell <br />FROM: Sandy Brown <br />DATE: Mardi 5, 199 <br />RE: Edna's 1998 Annual Hydrology Report <br />Jim , I have done a preliminary review of Edna's AHR. Now, it is your turn for the <br />technical review. In this memo 1 summarize the monitoring plan, provide my review <br />notes and summarize P&M's prediction of hydrologic consequences. I'll await your <br />comments to forward to P&M. <br />EDNA HYDROLOGY MOMTORING PLAN <br />See Attached Table 4.6-54 for list of Water Quality Parameters <br />Surface Water <br />Tr-a and Tr-b Continuos flow A ril -Oct. <br />TR-A, TR-D H2O quality above and below mine <br />Table 4.6-54 (complete 3x's/year, partial <br />monthl when not frozen) <br />Tr-B (East Rid e) H2O unlit , 3x's/ ear <br />TR-C (Moffat Area) H2O unlit , 3x's/ eaz <br />Ground Water <br />Tr-1.5, TR-3, TR-4, Monthly water level measurements and <br /> H2O quality (Complete 3x's/yeaz, monthly <br /> when not frozen) <br />WR-1 (West Ridge Monthly water level measurements and <br />s oils) H2O uali <br />Moffat Spoils Piezometers to measure ground water <br />215W -Wadge seam levels <br />215 L -Lower Wadge Quarterly with monthly in May and June <br />218W -Above Wadge <br />218E -Beneath Wad e <br />M892S -Moffat Area Monthly water level measurements and <br />S oils H2O unlit , 3x's/ ear <br />M892L -Lower Wadge Water level to determine if drainage <br />zone at the lower pit conditions change in lower Wadge seam <br />bound (.4.6-147) <br />TCS-1 (Trout Creek SS Complete H2O quality <br />downdip of mining) 2x's annually for a minimum of 3 years - <br /> Spring and fall <br /> May be reduced after 3 yeazs (p.4.6-148) if <br /> the quality does not differ more than <br /> ± ] 0% <br />Tr designates an alluvial well along Trout Creek <br />