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' December ?3, l J9) <br /> <br /> <br />1 <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 />Page i <br />' <br /> Table of Contents <br /> 1~ <br />' 1.0 1 NTR ODIICTION .............................................................................................. ...................... <br /> 2.0 GRO UNDWATER MONITORING ..................................................................... ......................3 <br />' 2.1 Groundwater Monitoring Locations .................................................. ......................3 <br /> 2.1.1 Piceance Site Groundwater Monitoring Locations ................. .....................9 <br /> 2.1? Parachute Site Groundwater Monitoring Locations ............... .....................9 <br /> 2.1.3 Local Domestic Well Locations .............................................. .....................9 <br /> 2.2 Groundwater Monitoring Program ..................................................... .....................9 <br />' 2.2.1 Water Level Monitoring ......................................................... .....................9 <br /> 2.2.2 GroundwaterQualityMonitoring ........................................... ...................10 <br /> 2.3 Piceance Site Groundwater Monitoring for Years 5-30 ..................... ...................I S <br />' 2.4 Post-Mining Groundwater Monitoring ............................................... ...................15 <br /> 3.0 SURFACE WATER MONITORING LOCATIONS AND PROCESS ........................ ...................I6 <br />' 3.1 Piceance Creek Monitoring ................................................................. ...................16 <br /> 3.2 Parachute Creek Monitoring ............................................................... ...................18 <br /> 3.3 Spring and Seep Monitoring-Piceance Site ...................................... ...................18 <br />' 3.4 Precipitation Monitoring-Piceance Site ........................................... ...................19 <br /> 3.5 Post-Mining Surface Water Monitoring ............................................. ...................19 <br />' 4.0 I'ROCESSMONITORING .................................................................................. ...................2O <br /> 4.1 Solution Mining Wells ........................................................................ ...................20 <br /> 4.2 1-lazardous Waste Detemiination ........................................................ ...................21 <br />' 4.3 Solution and Cooling Ponds ................................................................ ...................22 <br /> 4.4 Pipeline Moniloring ............................................................................ ...................22 <br />t 5.0 QUALITY ASSURANCE/QUALITI' CONTROL .................................................. ...................24 <br /> 5.1 Groundwater Sampling Metliods ........................................................ ...................24 <br />t 5.2 <br />5.3 Calibration Procedures and frequency ............................................... <br />Data Reduction, Validation, and Reporting ........................................ ...................24 <br />...................25 <br /> 5.3.1 Data Reduction ........................................................................ ...................25 <br />' <br />5.4 5.3.2 Data Validation ....................................................................... <br />Data Managemen[ ............................................................................... ...................25 <br />...................25 <br /> 5.5 Internal Qualily Control Checks ......................................................... ...................25 <br />' _5.5.1 Quality Control Checks-Field Activities .............................. ...................25 <br /> <br />' Agapito Associates, Inc. <br />