SIP Proposal: California (VOC emissions for the Placer County and Ventura County air pollution control districts; see above for direct final rule).

SIP Proposal: California (VOCs for the Mojave Desert air quality management district; see above for direct final rule).

SIP Approval: Colorado (partial approval of interstate transport of pollution plan)

SIP Approval: California (energy tracking system for the South Coast air quality management district).

EPA made final amendments to certain CAA regulations pertaining to Indian tribes.

EPA granted reconsideration of certain provisions of the Mandatory Greenhouse Gas Reporting Rule promulgated on November 30, 2010.

EPA approved negative declarations and requests for EPA withdrawal of its CAA §§111(d) and 129 plan approval for HMIWI, large municipal waste combustor (LMWC), small municipal waste combustor (SMWC), and other solid waste incinerator (OSWI) units from Florida, Kentucky, North Carolina, and South Carolina.

SIP Proposal: California (PSD permit programs for the Northern Sonoma County air pollution control district and the Mendocino County air quality management district; see above for direct final rule)

EPA finalized NESHAPs for Group I polymers and resins; marine tank vessel loading operations; pharmaceuticals production; and the printing and publishing industry.

EPA proposed revisions to the NESHAPs for the production of polyvinyl chloride and copolymers during periods of startup, shutdown, and malfunctions, including requirements on demonstration of initial and continuous compliance, continuous monitoring provisions, and recordkeeping and reporting.