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the operator. This plan shall include a demonstration that the water quality of the discharge from <br />the mine workings will be of acceptable quality and will remain acceptable after mine closure. <br />This shall include chemical analysis and a predictive model that uses oxidation and reduction <br />potential to determine regulations of the State Engineer's office. Finally, parts of the stipulation <br />address how to seal wells, and are included in our regulations. <br />STATUS: Future <br />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 1 S, 1985 SUBMITTAL. ONE <br />INDICATOR SHALL BE INSTALLED WITHIN 160 FEET OF THE TOE OF THE WASTE PILE <br />CURRENTLY HALF WAY BETWEEN MONUMENTS S 1 AND S4. THE SECOND SHALL BE LISTED <br />APPROPRIATELY 100 FEET NORTHEAST OF MONUMENT S2, 16O FEET NORTH OF TOES OF THE <br />WASTE PILE, AS INDICATED ON DRAWING NO. MO-R C-001, INCLUDED IN THE PERMIT <br />REVISION NO. 6 APPLICATION. DURING THE INSTALLATION OF THESE TILT METER TUBES, <br />THE OPERATOR SHALL AUGER AND LOG THE SURFICIAL AND BEDROCK STRATIGRAPHY <br />ENCOUNTERED. AUGERING SHALL CONTINUE UNTIL THE OPERATOR HAS ESTABLISHED <br />INTACT 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 OPERATOR <br />WILL BE REQUIRED TO APPROPRIATELY RECONFIGURE THE PILE DESIGN, PRIOR TO <br />INITIATION OF ANY CONSTRUCTION ACTIVITY. <br />STATUS: Future <br />Stipulation No. 18 <br />THE DIVISION DIRECTS MCC TO COMPLETE A DETAILED ANALYSIS OF THE POTENTIAL <br />EFFECTS UPON THE SLOPE STABILITY OF THE LANDSLIDE DEPOSITS ADJOINING BEAVER <br />RESERVOIR. MCC SHALL INSTALL AND M110NITOR AN APPROPRIATE SET OF MONUMENTS ON <br />THE LANDSLIDE DEPOSITS IN ORDER TO OBSERVE THE POTENTIAL DISPLACEMENT OF THE <br />LAND FORM. THE DETAILED ANALYSIS SHALL BE COMPLETED AND SUBMITTED TO THE <br />DIVISION FOR REVIEW, PRIOR TO REQUEST FOR APPROVAL TO EXTRACT COAL BENEATH THE <br />LANDSLIDE DEPOSITS ADJOINING BEAVER RESERVOIR. <br />STATUS: Future <br />Stipulation No. 19 <br />THE DIVISION DIRECTS MCC, AS A PORTION OF ITS SUBSEQUENT PERMIT APPLICATIONS FOR <br />THE MINE, TO SUBAIIT REVISED SUBSIDENCE EVALUATIONS. THE SUBSIDENCE EVALUATION <br />