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a + <br /> HYDROLOGIC MONITORING REQUIREMENTS FOR 2014-2015 <br /> DESERADO MINE-PERMIT NO.C-1981-018 <br /> Monitoring Sample <br /> Well Site Piezometer No. Monitored Stratum Frequency Parameters <br /> Ground Water: <br /> Qal-5 N/A White River Alluvium Quarterly Depth-to-water, pH,cond.,Temp. <br /> Annual Full Suite(Attachment A) <br /> 21012-17 2-17U Upper Sandstone Facies Annual Depth to water only <br /> 2-17L Lower Sandstone Facies Annual Depth to water only <br /> TW2-17M Siltstone&Coal Facies Annual Depth to water only <br /> 21014-20 4-20U Upper Sandstone Facies Annual Depth to water only <br /> 4-20L Lower Sandstone Facies Annual Depth to water only <br /> 310122-2 22-21- Lower Sandstone Facies Annual Depth to water only <br /> 310122-3 22-31J Upper Sandstone Facies Annual Depth to water only <br /> 22-3M Siltstone&Coal Facies Annual Depth to water,pH,conductivity, <br /> temperature,dissolved iron,diss. <br /> manganese,TDS <br /> 310129-4 29-4U Upper Sandstone Facies Annual Depth to water only <br /> 294M Lower Sandstone Facies Annual Depth to water <br /> 310130-8 30-8U Upper Sandstone Facies Annual Depth to water only <br /> 30-8M Siltstone&Coal Facies Annual Depth to water only <br /> 310131-7 31-7m Siltstone&Coal Facies Annual Depth to water only <br /> 310132-7' 32-7U Upper Sandstone Facies Annual Depth to water only <br /> 32-7M Siltstone&Coal Facies Annual Depth to water only <br /> 32-71- Lower Sandstone Facies Annual Depth to water only <br /> 310133-8 33-8U Upper Sandstone Facies Annual Depth to water only <br /> 33-8M Siltstone&Coal Facies Annual Depth to water only <br /> 33-81- Lower Sandstone Facies Annual Depth to water only <br /> ' These holes will be sampled and analyzed prior to mining through or bond release. Sampling will be limited to the middle <br /> facie zone. <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 /> NOTE: All surface water monitoring has been discontinued since DRMS's approval of the amendment in August 1997(TR47). <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 /> A-1 <br />