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SHALL INCLUDE A DEMONSTRATION THAT THE WATER QUALITY OF THE DISCHARGE <br /> FROM THE MINE WORI:INGS WILL BE OF ACCEPTABLE QUALITY AND WILL REMAIN <br /> ACCEPTABLE AFTER MINE CLOSURE. THIS SHALL INCLUDE CHEMICAL ANALYSIS AND <br /> A PREDICTIVE MODEL THAT USES OXIDATION AND REDUCTION POTENTIAL TO <br /> DETERMINE LONG-TERM WATER QUALITY OF MINE WATERS. ALSO, THE PLAN SHALL <br /> INCLUDE THE CONSTRUCTION OF A SUITABLE CHANNEL FOR MINE DISCHARGE. <br /> STATUS: Future <br /> Stipulation No. 7 <br /> THE DMSION DIRECTS MOUNTAIN COAL COMPANY, PRIOR TO ANY DISTURBANCE AT <br /> THE UPPER WASTE SITE, TO INSTALL SEVERAL ELECTRONIC TILT METER TUBES <br /> DOWNSLOPE FROM THE TOE OF THE PROPOSED WASTE STRUCTURE. THESE TILT <br /> METER INSTALLATIONS SHALL BE INSTALLED AS SPECIFIED IN MCC'S AUGUST 15, <br /> 1985 SUBMITTAL. ONE INDICATOR SHALL BE INSTALLED WITHIN 160 FEET OF THE <br /> TOE OF THE WASTE PILE CURRENTLY HALF WAY BETWEEN MONUMENTS 51 AND 54. <br /> THE SECOND SHALL BE LISTED APPROPRIATELY 100 FEET NORTHEAST OF <br /> MONUMENT S2, 160 14ORTH OF TOES OF THE WASTE PILE, AS INDICATED ON <br /> DRAWING No. MG-R C-001, INCLUDED IN THE PERMIT REVISION APPLICATION. <br /> DURING THE INSTALLATION OF THESE TILT METER TUBES, THE OPERATOR SHALL <br /> AUGER AND LOG THE SURFICIAL AND BEDROCK STRATIGRAPHY ENCOUNTERED. <br /> AUGERING SHALL CONTINUE UNTIL THE OPERATOR HAS ESTABLISHED INTACT <br /> BEDROCK OCCURRENCE. IF ANY EVIDENCE OF EXISTING LANDSLIDE DEPOSITS IS <br /> ENCOUNTERED, THE OPERATOR SHALL DEFINE THE NATURE AND EXTENT OF THE PRE- <br /> EXISTING SLOPE INSTABILITY. IF SUCH LANDSLIDE ACTIVITY IS DISCERNED, THE <br /> OPERATOR WILL BE REQUIRED TO APPROPRIATELY RECONFIGURE THE PILE DESIGN, <br /> PRIOR TO INITIATION OF ANY CONSTRUCTION ACTIVITY. <br /> STATUS: Future <br /> Simulation No. 18 <br /> THE DIVISION DIREt'F`; MCC TO COMPLETE A DETAILED ANALYSIS OF THE POTENTIAL <br /> EFFECTS UPON THE SLOPE STABILITY OF THE LANDSLIDE DEPOSITS ADJOFNFNG BEAVER <br /> RESERVOIR. MCC SHALL INSTALL AND MONITOR AN APPROPRIATE SET OF <br /> MONUMENTS ON THE LANDSLIDE DEPOSITS IN ORDER TO OBSERVE THE POTENTIAL <br /> DISPLACEMENT OF THE LAND FORM. THE DETAILED ANALYSIS SHALL BE COMPLETED <br /> AND SUBMITTED TO THE DIVISION FOR REVIEW, PRIOR TO REQUEST FOR APPROVAL TO <br /> EXTRACT COAL BENEATH THE LANDSLIDE DEPOSITS ADJOINING BEAVER RESERVOIR. <br /> STATUS: Future <br /> Stipulation No. 19 <br /> THE DMSION DIRECT:; MCC, AS A PORTION OF ITS SUBSEQUENT PERMIT <br /> APPLICATIONS FOR THE MINE, TO SUBMIT REVISED SUBSIDENCE EVALUATIONS. THE <br /> SUBSIDENCE EVALUAT;iON FOR EACH PERMIT PERIOD REQUESTED SHALL INCORPORATE <br /> THE RESULTS OF SUBSIDENCE MONITORING AND THE LANDSLIDE STABILITY STUDIES <br /> 2 <br />