76 FR 9705
SIP Proposal: Maryland (definition of "fuel-burning equipment"; see above for direct final rule)
SIP Proposal: Maryland (definition of "fuel-burning equipment"; see above for direct final rule)
SIP Proposal: Louisiana (revisions for 1996-2006)
SIP Proposal: Indiana/Ohio (disapproval of interstate transport submission)
SIP Proposal: Colorado (partial approval of interstate transport revisions)
SIP Proposal: California (new source review permitting requirements for the Imperial County air pollution control district)
EPA proposed a supplemental federal implementation plan for the Four Corners power plant on the Navajo Nation in New Mexico to reduce visibility-impairing pollution.
EPA proposed to find that Iowa's SIP is substantially inadequate to maintain the 2006 24-hour NAAQS for fine PM and proposed to finalize a time line for revision.
EPA proposed amendments and revisions to the NESHAP for primary lead smelting due to residual risk and technology reviews, a recent court decision, and a petition for rulemaking.
EPA proposed to retain the current NAAQS for carbon monoxide, except for network design requirements.
EPA proposed to update a portion of the outer continental shelf air regulations for Alaska.