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1 <br />J <br />1 <br />1 <br /> <br /> <br />1 <br /> <br /> <br /> <br /> <br /> <br />t <br /> <br /> <br />1 <br />1 <br /> <br />HYDROLOGIC MONITORING REQUIREMENTS FOR 1998 <br />DESERADO MINE -PERMIT NO. C-81-018 <br /> Monitoring Sample <br />Well Site Piezometer No. Monitored Stratum Frequency Parameters <br />Ground Water: <br />OAL-5 N/A White River Alluvium Monthly Depth-to-water, pH, cond., <br /> Temp. <br /> Ouartedy Full Suite (Attachment A) <br />RM-1 N/A Refuse Area Alluvium <br />21012-7 2-7U Upper Sandstone Fades Quarterly Depth to water only <br /> 2-7M Siltstone and Coal Facies Quarterly Depth to water only <br /> 2-7L Lower Sandstone Facies Ouartedy Depth to water only <br />21012-7TW TW2-7U Upper Sandstone Facies Quarterly Depth to water only <br /> TW2-7L Lower Sandstone Facies Quarterly Depth to water only <br />21012-17 2-17U Upper Sandstone Facies Quarterly Depth to water only <br /> 2-17L Lower Sandstone Facies Quarterly Depth to water only <br /> TW2-17M Siltstone 8 Coal Facies Quarterly Depth to water only <br />21014-20 420U Upper Sandstone Facies Quarterly Depth to water only <br /> 4-20L Lower Sandstone Facies Quarterly Depth to water only <br />310135-4 35-4U Upper Sandstone Faces Quarterly Depth to water only <br /> 35-4M Siltstone 8 Coal Facies Quarterly Depth to water only <br /> 35-4L Lower Sandstone Facies Quartedy Depth to water only <br />310136-2 36-ZU Upper Sandstone Fades Quarterly Depth to water only <br /> 36-2L Lower Sandstone Facies Quarterly Depth to water only <br />310129-41 29-4U Upper Sandstone Fades Fall 8 Spring Depth to water only <br /> 294M Siltstone & Coal Fades Fall & Spring Depth to water only <br />310130-81 30-8U Upper Sandstone Facies Fall & Spring Depth to water only <br /> 30-SM Siltstone 8 Coal Fades Fall 8 Spring Depth to water only <br />310131-71 31-7m Siltstone 8 Coal Fades Fali 8 Spring Depth to water only <br />310132-71 32-7U Upper Sandstone Fades Fall 8 Spring Depth to water only <br /> 32-7M Siltstone & Coal Facies Fall 8 Spring Depth to water only <br /> 32-7L Lower Sandstone Fades Fall 8 Spring Depth to water only <br />310133-81 33-8U Upper Sandstone Facies Fall & Spring Depth to water only <br /> 33-8M Siltstone 8 Coal Facies Fall 8 Spring Depth to water only <br /> 33-8L Lower Sandstone Facies Fall 8 Spring Depth to water only <br />1 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 />NOTE: All surface water monitoring has been discontinued since DMG's approval of the amendment in August 1997 (TR47). <br />A-1 <br /> <br />