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<br /> <br />1 <br />1 <br /> <br /> <br /> <br /> <br /> <br /> <br />t <br />1 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />HYDROLOGIC MONITORING REQUIREMENTS FOR 1999.2000 <br />DESERADO MINE • PERMIT NO. C-81-018 <br /> Monitoring Sample <br />Well Site Piezometer No. Monitored Stratum Frequency Parameters <br />Ground Water: <br />Qal-5 NIA White River Alluvium Quarterly Depth-to-water, pH, cond., Temp. <br /> Annual FuIlSuite AttachmentA <br />21012-17 2-17U Upper Sandstone Fades Annual Depth to water only <br /> 2-17L Lower Sandstone Fades Annual Depth ro water only <br /> TW 2-17M Siltstone 8 Coal Fades Annual Depth to water only <br />310129-4' 29-0U Upper Sandstone Fades Annual Depth to water only <br /> 29~M Lawer Sandstone Fades Annual De >h to water onl <br />21014-20 4-20U Upper Sandstone Fades Annual Depth to water only <br /> 4-20L Lower Sandstone Fades Annual Depth to water only <br />310130-8' 30.8U Upper Sandstone Fades Annual Depth to water only <br /> 30-0M Siltstone 8 Coal Fades Annual Depth to water only <br />310131-7' 31-7m Siltstone 8 Coal Fades Annual Depth to water only <br />310132-7' 32-7U Upper Sandstone Facies Annual Depth to water only <br /> 32-7M Siltstone 8 Coal Fades Annual Depth to water only <br /> 32-7L Lower Sandstone Fades Annual Depth to water only <br />310133' 33-8U Upper Sandstone Fades Annual Depth to water only <br /> 33-BM Siltstone 8 Coal Fades Annual Depth to water only <br /> 33AL Lower Sandstone Fades Annual Depth to water only <br />' These holes will be sampled and analyzed prior to mining through or bond release. Sampling wilt be limited m the middle fade <br />zone. <br />NOTE: All surface water monitoring has been discontinued since DMG's approval of the amendment in August 1997 (TR47). <br />A-1 <br />