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<br />Revision to Attachment C <br />Division Initiated Rule Amendments <br />28a. Amend Rule 4.14.1(2)(a) as follows: <br />(2) Method for backfilling and grading. <br />(a) Except a5 specifically exempted in these Aules <br />PURSUANT TO RULES 4.14.1(2)(e>, 4.14.1(2)(f), 4.14.1(2)(G), 4.27.4, AND <br />2.06.5, all areas disturbed by surface coal mining operations shall be <br />returned to their approximate original con~our. A.11 spoil shall he <br />transported, backfilled, Segregated and compacted ',where neeaed to insure <br />stability or prevent leaching of toxic materials and graded to eliminate all <br />highwalls, spoil piles, and depressions., AND HiGHWALLS, IJITH THE E;(CEPTION <br />THAT COMPLETE HIGHWALL ELIMINATION IS NOT REQUIRED FCR UNDERRGRCUND OPERATIONS <br />WHICH MEET THE CRITERIA OF 4.14.1(2>(f>, ArJD FOR RE-14INING OF SITES MINED AND <br />ABANDONED PRIOR TO AUGUST 3, 1977, PURSUANT TO 4.14.1(2)(9). <br />28b. Redesignate current 4.14.1(2>(f) as 4.1a.1(2)(h) and add new 4.14.1(2>(f) <br />as follows: <br />(f) ELIMINATION OF HiGR;JALLS OR FACE-UP AREAS AT <br />UNDERGROUND MINING OPERATIONS SHALL NOT 6E REQUIRED IF THE FOLLOWING <br />REQUIREMENTS ARE MET: <br />(i ) THE EXISTING HiGHIJALL IS DE;•JCNSTRATED TO HAVE <br />BEEN IN PLACE PRIOR TO AUGUST 3, 1977. <br />(ii) THE VOLUME OF ,ALL REASONABLY AVAILABLE SPOIL IS <br />DEMONSTRATED IN WRITING TO THE DIVISION TO 5E iNSUFFICIEwT TO CCMPLETEL'! <br />BAC:<FiLL THE HIGHWALL ,AND r4EET ,A MiNIr4Ur•1 STATIC SAFETY FACTOR G'F ' .3. <br />(iii ) THE HIGHbiAU_ -=ALL 5E ELiMI'IA.TED TO THE '~AXIi'~UM <br />EXTENT TECH NIC.ALLY PRACTiC.AL IN ACCORDANCE >iiTH THE FOLLCWLVG CRITERI?.: <br />(A) ALL RE?.SGNABLY AVAiLAELE SFGIL iN THE <br />['4MEDIATE VICINITY OF THE HIGHWALL SHALL BE 'JSEJ TC BAC'<F:'~_L T'HE AREA AND <br />SHALL BE INCLUDED IN THE PERMIT AREA. <br />(B) THE 5A.C:<=ILL SHALL 6E GRADED TO A. SLOPc <br />WHICH IS CGMPATI6LE WITH THE APP3GVED POST-'^i)JING L.APID USE AND IJHiCH PROVIDES <br />ADEQUATE DRAINAGE AND MEETS .A MINIMUM STATIC SAFETY FACTGR CF i.3. <br />(C) THE OPE-AiOR SHALL DEMONSTRATE i0 THE <br />SATISFACTION OF 7HE DI'lISiON THAT ANY PROPOSED HIGHNJP.LL RE~xNA.rJT ;JILL BE <br />SUFFICIENTLY STABLE SO AS NOT TO POSE A HAZ?RD TO THE PUBLIC HEALTH .anD SAFET'( <br />OR 70 THE ErIVIRONMErJT. <br />(D) EXPOSE :DAL SEAMS, TCXiC AND ACIG FORMING <br />`4ATERiA.LS, .ANG CCM6US-IBLE MATERIALS SHALL 6E ADEQUATE~I C~'1ERE~~ CR TREATED i.I <br />.ACCORDANCE IdITN 4.11.3. <br />(r~ SPCI'_ P'_=CE] C^I THE CUTSLOPE DURI^IG i4I>lI'IG <br />GPERATIONS IwHICH OCCURRED PRIOR TC AUGUST 3 !9i7 SHAL! NOT EE DISTUR6ED iF <br />SUCH DISTURc,NCE wIL'_ CAUSE INS'ABILITV OF -.•E REi•iAIN[vG SPGIL OR 07HERWiSE <br />INCREASE THE Ha~eRD -J SHE P'J6LU= HE''LTH A,iG S.AFE-r ~:R Tr THE ENVIRGnME?JT. <br />