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A-1 <br />HYDROLOGIC MONITORING REQUIREMENTS FOR 2014-2015 <br />DESERADO MINE - PERMIT NO. C-1981-018 <br /> <br />Well Site <br /> <br />Piezometer No. <br /> <br />Monitored Stratum <br />Monitoring <br />Frequency <br />Sample <br />Parameters <br /> Ground Water: <br />Qal-5 N/A White River Alluvium Quarterly <br />Annual <br />Depth-to-water, pH, cond., Temp. <br />Full Suite (Attachment A) <br />21012-17 <br /> <br />2-17U <br />2-17L <br />TW2-17M <br />Upper Sandstone Facies <br />Lower Sandstone Facies <br />Siltstone & Coal Facies <br />Annual <br />Annual <br />Annual <br />Depth to water only <br />Depth to water only <br />Depth to water only <br />21014-20 <br /> <br />4-20U <br />4-20L <br />Upper Sandstone Facies <br />Lower Sandstone Facies <br />Annual <br />Annual <br />Depth to water only <br />Depth to water only <br />310122-2 22-2L Lower Sandstone Facies Annual Depth to water only <br />310122-3 22-3U <br />22-3M <br />Upper Sandstone Facies <br />Siltstone & Coal Facies <br />Annual <br />Annual <br />Depth to water only <br />Depth to water, pH, conductivity, <br />temperature, dissolved iron, diss. <br />manganese, TDS <br />310129-41 29-4U <br />29-4M <br />Upper Sandstone Facies <br />Lower Sandstone Facies <br />Annual <br />Annual <br />Depth to water only <br />Depth to water <br />310130-81 30-8U <br />30-8M <br />Upper Sandstone Facies <br />Siltstone & Coal Facies <br />Annual <br />Annual <br />Depth to water only <br />Depth to water only <br />310131-71 31-7m Siltstone & Coal Facies Annual Depth to water only <br />310132-71 32-7U <br />32-7M <br />32-7L <br />Upper Sandstone Facies <br />Siltstone & Coal Facies <br />Lower Sandstone Facies <br />Annual <br />Annual <br />Annual <br />Depth to water only <br />Depth to water only <br />Depth to water only <br />310133-81 33-8U <br />33-8M <br />33-8L <br />Upper Sandstone Facies <br />Siltstone & Coal Facies <br />Lower Sandstone Facies <br />Annual <br />Annual <br />Annual <br />Depth to water only <br />Depth to water only <br />Depth to water only <br /> <br /> <br /> <br />1 These holes will be sampled and analyzed prior to mining through or bond release. Sampling will be limited to the middle facie <br />zone. <br /> <br /> 310131-7L was sealed in 2001 following sampling and prior to being mined through. <br /> 310131-7M was sealed in 2010. <br /> 310129-4M was sealed in 2012 following sampling and prior to being mined through. <br /> <br />NOTE: All surface water monitoring has been discontinued since DRMS's approval of the amendment in August 1997 (TR47). <br /> <br />Monitoring Wells 22-2L, 22-3M, and 22-3U were added to the monitoring requirements with Permit Revision #6 starting with the <br />2008-2009 hydrologic year. <br />