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West Elk Mine 2008 Annual Hydrology Report 8 <br />• variations in water quality and quantity. Winter access to most sites within the permit area is not <br />feasible and is impractical, so the baseline monthly monitoring is generally not performed from <br />October through March. A summary of the approved baseline and routine monitoring program <br />frequencies is presented in Table 1. The first 5 years of monitoring (including baseline) laboratory <br />parameters are shown on Table 2. <br />'r-hlo 1 Rnanl:nn anA Rnnfinv Mnnitnrina Fremlencips <br />• <br />• <br />Routine Monitoring Baseline Monitoring <br /> <br />Month Flow / <br />Level Field <br />Parameters Laboratory <br />Analysis <br /> January <br /> February <br /> March <br />Rising Limb - April 3 to May 13 Aril x X X <br />Peak Flow - April 21 to June 26 May x X X <br />Low Flow - July 10 to October 8 June x X X <br /> July x X X <br /> August X X X <br /> September x X X <br /> October <br /> November <br /> December <br />Adapted trom CDRMS (20U6) <br />June 2009 <br />HydroGeo, Inc.