76 FR 6559
SIP Approval: Pennsylvania (conformity, contingency, and control measures for the Pennsylvania portion of the Philadelphia-Wilmington-Atlantic City moderate 1997 eight-hour ozone nonattainment area)
SIP Approval: Pennsylvania (conformity, contingency, and control measures for the Pennsylvania portion of the Philadelphia-Wilmington-Atlantic City moderate 1997 eight-hour ozone nonattainment area)
SIP Approval: Maryland (definition of "fuel-burning equipment")
SIP Approval: Kansas (PSD permit requirements)
SIP Approval: Illinois (waiver of nitrogen oxide reasonably available control technology requirements)
SIP Approval: District of Columbia (update of materials available for public inspection)
SIP Approval: Colorado (partial approval of Regulation 3 revisions)
SIP Approval: Alaska (PSD program update)
EPA delegated authority to Iowa, Kansas, Missouri, and Nebraska to implement and enforce NESHAPs and new source performance and maximum achievable control technology standards.
EPA added the gold mine ore processing and production area source category to the list of those regulated under the CAA due to mercury emissions.
EPA determined that Arizona failed to submit an SIP for the Maricopa serious particulate matter (PM) nonattainment area by the required deadline.