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' Decen76er 33, l 499 <br />LJ <br /> <br /> <br />1 <br />t <br />1 <br /> <br />American Soda, L.L.P. <br />Yankee Gulch Sodium Minerals Project <br />GROUNDWATER, SURFACE WATER, AND <br />PROCESS MONITORING PLAN FOR THE <br />YANKEE GULCH SODIUM MINERALS PROJECT <br />1.0 INTRODUCTION <br />l'u~;e 1 <br />"phis document is a comprehensive monitoring plan for the American Soda, L.L.P. <br />(American Soda) Yankee Gulch Sodium Minerals Project (Yankee Gulch Project). This <br />monitoring plan, the "Groundwater, Surface Water, and Process Monitoring Plan (Water <br />Monitoring Plan) for the Yankee Gulch Sodium Minerals Project," was prepared in consultation <br />with the Bureau of Land Management (BLM), the Environmental Protection Agency (EPA), the <br />Colorado Division of Minerals and Geology (CDMG), the United States Geological Survey <br />' (USGS), and Rio Blanco County. These agencies required the development of this plan to support <br />their respective permitting actions and regulatory requirements. The permits that incorporate this <br />' Water Monitoring Plan (or portions of the Plan) are listed below. <br />Agency Permit <br />' BLM Commercial Mine Plan and EIS <br />EPA Class III l_IIC Permit <br />' CDMG 112 Reclamation Permit <br />Rio Blanco County Special Use Permit (SUP) <br />This Water Monitoring Plan includes groundwater and surface water monitoring for the <br />Piceance Site (solution well lield and upper plant) and the Parachute Site (lower plant). It also <br />' contains a process monitoring section for mining operations at the Piceance Site. <br />The groundwater and surface water monitoring programs in this Plan include two <br />' monitoring periods: the baseline period and the first 5 years of commercial operations (operations <br />' period). The objective of [he baseline period is to establish recognizable trends in water quality, <br />such that any deviation tiom the established characteristics is recognizable. Established trends <br />' will be developed over a 5-quarter period, prior to startup of commercial operations. The <br />5-quarter baseline period was initially developed in order to comply with CDMG requirements, <br />' but was later adopted by the other agencies with jurisdiction over the Piceance Site operations. <br />' Agapilo Associates, Inc. <br />