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<br />2.04.7(1)(b) <br />The most <br />either the north facing <br />slope and flow from the <br />Pine Gulch. <br />likely source of water for the springs is <br />slope or a combination of the north facing <br />alluvial material in the bottom of Lone <br />Hydrological Monitoring Plan <br />The Operator has implemented a hydrological monitoring plan <br />consisting of the following major components: <br />• Drainage and sediment control plan <br />• Groundwater monitoring wells, springs and visual <br />inspection <br />• Quality control on well sampling and analysis <br />Drainage and Sediment Control <br />All surface drainage is routed to a sedimentation pond as shown on <br />• the Facilities Map (Map 10). The hydrological monitoring of the <br />surface drainage consists of analyzing all discharges from the <br />sedimentation pond as required by the Operators Colorado Department <br />of Health, CDPS General Permit No. COG-850015. <br />Details of the Drainage and Sediment Control Plan are presented in <br />Section 2.05, Operation and Reclamation Plans; Exhibit 11, Drainage <br />and Sediment Control Plan; and Map 10, Facilities Map. Details of <br />the approved CDPS permit are presented in Exhibit 4, Permits for <br />Mining. <br />Groundwater Monitoring Wells and Visual Inspection Background <br />Prior to September 1985, the Operator had been monitoring <br />groundwater by sampling three (3) groundwater alluvial wells. The <br />wells were sampled on a quarterly basis. During August 1985, the <br />Operator submitted a technical revision to reduce the water quality <br />monitoring program. The technical revision was subsequently <br />approved by the Division in December 1985. <br /> <br />2.04-29c Rev. 12-26-95 <br />