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Stipulation No. 7 <br /> THE DIVISION DIRECTS MOUNTAIN COAL COMPANY,PRIOR TO ANY DISTURBANCE AT THE <br /> UPPER WASTE SITE,TO INSTALL SEVERAL ELECTRONIC TILT METER TUBES DOWNSLOPE <br /> FROM THE TOE OF THE PROPOSED WASTE STRUCTURE. THESE TILT METER INSTALLATIONS <br /> SHALL BE INSTALLED AS SPECIFIED IN MCC'S AUGUST 15, 1985 SUBMITTAL. ONE <br /> INDICATOR SHALL BE INSTALLED WITHIN 160 FEET OF THE TOE OF THE WASTE PILE <br /> CURRENTLY HALF WAY BETWEEN MONUMENTS 51 AND 54. THE SECOND SHALL BE <br /> INSTALLED APPROPRIATELY 100 FEET NORTHEAST OF MONUMENT S2, 160 FEET NORTH OF <br /> THE TOE OF THE WASTE PILE,AS INDICATED ON DRAWING NO. MG-R C-001,INCLUDED IN <br /> THE PERMIT REVISION NO. 6 APPLICATION. DURING THE INSTALLATION OF THESE TILT <br /> METER TUBES, THE OPERATOR SHALL AUGER AND LOG THE SURFICIAL AND BEDROCK <br /> STRATIGRAPHY ENCOUNTERED. AUGERING SHALL CONTINUE UNTIL THE OPERATOR HAS <br /> ESTABLISHED INTACT BEDROCK OCCURRENCE. IF ANY EVIDENCE OF EXISTING LANDSLIDE <br /> DEPOSITS IS ENCOUNTERED,THE OPERATOR SHALL DEFINE THE NATURE AND EXTENT OF <br /> THE PRE-EXISTING SLOPE INSTABILITY. IF SUCH LANDSLIDE ACTIVITY IS DISCERNED,THE <br /> OPERATOR WILL BE REQUIRED TO APPROPRIATELY RECONFIGURE THE PILE DESIGN,PRIOR <br /> TO INITIATION OF ANY CONSTRUCTION ACTIVITY. <br /> STATUS: FUTURE. <br /> Stipulation No. 76 <br /> MOUNTAIN COAL COMPANY WILL INFORM THE MONTROSE OFFICE OF THE COLORADO <br /> DIVISION OF WATER RESOURCES OF PLACEMENT OF ALL NEW SURVEY MONUMENTS. <br /> MOUNTAIN COAL COMPANY WILL COPY THE MONTROSE OFFICE OF THE COLORADO <br /> DIVISION OF WATER RESOURCES ON ALL SURVEY,PIEZOMETER,AND <br /> ACCELEROMETER/SEISMOMETER MONITORING IN AND AROUND MONUMENT DAM. <br /> MOUNTAIN COAL COMPANY WILL NOTIFY THE MONTROSE OFFICE OF THE COLORADO <br /> DIVISION OF WATER RESOURCES WHENEVER THE PEAK GROUND ACCELERATION(PGA) <br /> THRESHOLD IS EXCEEDED DURING THE MONITORING PERIOD,WHETHER MINE-INDUCED OR <br /> NATURALLY-OCCURRING. <br /> STATUS: FUTURE. <br /> Enforcement Actions <br /> The following enforcement actions were issued since the last midterm review of the West Elk <br /> Mine permit application package (PAP): <br /> Cessation Order CO-2020-001, was issued on June 18, 2020 and remains in effect as of the date <br /> of these findings. CO-2020-001 prohibits MCC from conducting surface disturbing activities <br /> within the Sunset Roadless Area, but does not prohibit underground activity, or any previously <br /> approved activity outside of the Sunset Roadless Area. <br /> 4 <br />