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• <br /> <br />TABLE II.C-13 (Cont.) <br />HYDROLOGIC MONITORING PARAMETERS FOR DESERADO MINE <br /> <br />PARAMETERS <br />UNITS <br />SURFACE WATER ALLUVIAL <br />GROUND WATER BEDROCK <br />GROUND WATER <br />SOLUBLE HEAVY <br />METALS(3) TOTALS DISSOLVED DISSOLVED <br />Arsenic (As) mg/L X <br />Beryllium (Be) mg/L X <br />Boron (B) mg/L X <br />Cadmium (Cd) mg/L X <br />Chromium (trivalent) (Cr III) mg/L X <br />Copper (Cu) mg/L X <br />Iron (Fe) mg/L X <br />Lead (Pb) mg/L X <br />Manganese (Mn) mg/L X <br />Nickel (Ni) mg/L X <br />Selenium (Se) mg/L X <br />Zinc (Zn) mg/L X <br />Bedrock groundwater holes in federal leases C-8424 and C-8425 were sampled and analyzed once for those parameters <br />listed under alluvial once within one year prior to entering the lease for mining and will be sampled and analyzed once again <br />as outlined in Section II.C.3.h. Sampling will be limited to the middle (coal facie) zone. These wells will be monitored for <br />water level depth once per year. The bedrock groundwater well identified as the point of compliance (22-3M) will be sampled <br />annually for pH, total dissolved solids, Fe (dissolved), and Mn (dissolved). <br />*Surface Water Monitoring Program was discontinued as of September, 1997 pursuant to DMG's approval of TR47. <br />• Permit Revision #6 (4/2008) II.C-7 6 <br />