SIP Proposal: California (limited approval of VOC revisions for the San Joaquin Valley unified air pollution control district)

SIP Proposal: Alabama (disapproval of interstate transport submission)

EPA deferred on an interim basis the imposition of sanctions associated with the Sacramento Metro area's one-hour ozone nonattainment area.

EPA proposed to determine attainment of the PM NAAQS for the Columbia Falls and Libby nonattainment areas in Montana.

EPA proposed to amend the new source performance standards for electric utility and industrial-commercial-institutional steam-generating units; see above for direct final rule.

EPA proposed to amend NESHAPs for the Portland cement manufacturing industry and the standards of performance for Portland cement plants; see above for direct final rule.

EPA proposed to update a portion of the outer continental shelf air regulations for California.

EPA seeks public comment on proposed federal implementation plan supplements to the Interstate Transport Rule for fine PM and ozone.

The USDA seeks public comment on the proposed implementation of the Community Forest and Open Space Conservation Program, which provides grants to establish community forests.

EPA repealed the grandfather provision for fine particulate matter (PM) under the PSD permit program.