; (ii) to require— (I) accurate and continuous recordkeeping when continuous monitoring is required under clause (i); and (II) the records required under subclause (I) to be made available to the public; and (iii) to require fenceline monitoring under section 63.658 of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act), for nitrogen oxides, sulfur dioxide, carbon monoxide, filterable and condensable particulate matter, and all other relevant hazardous air pollutants. (3) National emission standards for hazardous air pollutants implementation improvements (A) Equipment leaks of benzene Not later than 3 years after the date of enactment of this Act, the Administrator shall promulgate a final rule modifying section 61.112 of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act), that strikes subsection (c). (B) Benzene waste operations Not later than 3 years after the date of enactment of this Act, the Administrator shall promulgate a final rule modifying subpart FF of part 61 of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act), to ensure that— (i) the term no detectable emissions is defined to mean an instrument reading of less than 50 parts per million above background concentrations