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' December 23, 1999 ~ • Page JO <br />' Piceance Site <br />' During the baseline period, groundwater levels will be measured monthly for all <br />monitoring well completions. This will include wells located in and out of the 0-5 year mining <br />' panel. <br />During the first 5 years of commercial operations, water levels will be measured monthly <br />' for all monitoring wells completed in zones above the Dissolution Surface (including in-panel and <br />out-of--panel wells), and weekly for monitoring wells completed at the Dissolution Surface. The <br />' weekly water-level measurements for Dissolution Surface monitoring wells will be performed <br />using suitable automated data recording equipment. The automated equipment will not be <br />installed until the beginning of commercial operations. <br />Parachute Sipe <br />i' Once the alluvial monitoring well is constructed at the Parachute Site, water level will be <br />measured on a monthly basis. Water-level monitoring will be conducted in accordance with the <br />' procedures detailed in Appendix B. <br />Domestic Wells <br />' Water levels will be measured in the available domestic wells contained in this Water <br />' Monitoring Plan on a monthly basis, and will be performed in accordance with the procedures <br />detailed in Appendix B. <br />2.1.1 Groundwater Quality Monitoring <br />' Groundwater quality will be monitored at the Piceance Site, the Parachute Site, and in <br />domestic water wells. This section includes details regarding water-quality parameters to be <br />' measured in water samples, groundwater quality monitoring schedules, and groundwater <br />monitoring procedures. <br />' Groundwater Quality Parameters <br />The monitoring schedule allows for water quality samples to be analyzed for either the <br />' standazd list of parameters contained in WQ1 (Table 2) or the comprehensive list of parameters <br />contained in WQ2 (Table 3). In general, water quality samples will be analyzed for the WQ2 <br />' parameters on a less frequent basis that the WQ1 parameters. The two lists of parameters were <br />developed in consultation with the BLM, EPA, CDMG, USGS, Rio Blanco County, and American <br />' Soda. These parameters are generally in accordance with applicable water-quality parameters <br />listed in the Colorado Department of Public Health and Environment (CDPHE), Water Quality <br />~' <br />' Agapito Associates, Inc. <br />