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26c. Add ne~~u Rule 4.14.1(2)(8) as follo~~s <br />(g) RE-MINING OPERATIONS GN SITES WHICH 'WERE MINED AND <br />ABANDONED PRIOR TO AUGUST 3, 1977 AND CONTAIN A PREEXISTING HIGHWALL SHALL <br />COMPLY WITH ALL REQUIREMENTS OF 4.14 EXCEPT THAT HIGHWALL ELIMINATION SHALL <br />NOT BE REQUIRED 'WHERE THE VOLUME OF ALL REASONABLY AVAILABLE SPOIL IS <br />DEMONSTR,4TED IN WRITING TO THE DIVISION TO 6E INSUFFICIENT TO COMPLETELY <br />6ACK=ILL THE RE.4FFECTED OR ENLARGED HIGHWALL AND MEET A MINIMUM STATIC SAFET't <br />FACTOR OF 1.3. THE HIGHWALL SHALL BE ELIMINATED TO THE MAXIMUM EXTENT <br />TECHNICALLY PRACTICAL IN ACCORDANCE WITH THE FOLLOWING CRITERIA: <br />(i) ALL SPOIL GENERATED BY THE RE-MINING OPERATION <br />AND ANY OTHER REASONABLY AVAILABLE SPOIL SHALL BE USED TO BACKFILL THE AREA. <br />REASONABL'( A'JAIL.46LE SPOIL IN THE IMMEDIATE VICINIT'f OF THE RE-.MINING <br />OPERATION SHALL BE INCLUDED WITHIN THE PERMIT AREA. <br />(ii) THE BACKFILL SHALL BE GRADED TO A SLOPE WHICH IS <br />COMPATIBLE WITH THE APPROVED POST-~4INING LAND USE AND WHICH PROVIDES ADEQUATE <br />DRAINAGE AND MEETS A MINIMUM STATIC SAFETY FACTOR OF 1.3. <br />(iii) THE OPERATOR SHALL DEMONSTRATE TO THE <br />SATISFACTION OF THE DIVISION THAT ANY PROPOSED HIGHWALL REMNANT WILL BE <br />SUFFICIENTLY STABLE SO AS NOT TO POSE A HAZ?.RD TO THE PUBLIC HEALTH AND SAFETY <br />OR TO THE ENVIRONMENT. <br />(iv) EXPOSED COAL SEAMS, TOXIC AND ACID FORMING <br />MATERIALS, AND COMBUSTIBLE MATERIALS SHALL BE ADEQUATELY GOVEREO GR TREATED IN <br />ACCORDANCE WITH 4.14.3. <br />(v) SPOIL PLACED ON THE OUTSLOPE DURING MINING <br />OPERATIONS WHICH OCCURRED PRIOR TO AUGUST 3, 1977 SHALL NOT 6E DISTURBED IF <br />SUCH DISTURBANCE WILL CADS-c INSTABILITY OF THE REMAINING S?OIL OR OTHER:JISE <br />INCREASE THE HAZARD TO THE PUBLIC HEALTH ANC SAFETY OR TO T1iE ENVIRONMENT. <br />