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The past 5 years since completion of the initial dewatering and mine tunnel remediation effort has <br /> resulted in large reductions in contamination discharged from the Mine.The graph below is extracted <br /> from the EPA ECHO facility database for the London Mine permit CO0038334 showing the major benefits <br /> achieved from work to-date. (Dissolved zinc, in ppb, is shown in this graph, below): <br /> © Concentration <br /> 0 0 0 0 0 <br /> 0 <br /> 0 <br /> 0 <br /> ;u,, o000000 <br /> 0 <br /> 0 0 <br /> ------------------ <br /> -------------------------------- <br /> • <br /> Figure 4 Zinc concentrations discharged from the London Mine,post 60 months <br /> (e) <br /> To reiterate,the operation will affect pre-existing waste rock on the site, handle the waste rock on pre- <br /> disturbed ground, process it without chemicals or fluids, reduce the amount of mineralization on the <br /> site, and reclaim the site on the same footprint of the existing disturbance. <br /> (9) <br /> There are no wells,seeps or springs on the site. Groundwater sampling down-gradient has provided the <br /> following water flow and quality data,which can be used to establish baseline conditions. <br /> From the Water Decree: <br />