75 FR 6331
SIP Approval: Colorado (partial approval of Regulation 3 revisions)
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.
SIP Approval: Virginia (definition of VOC)
SIP Approval: Texas (VOC emissions from consumer-related sources)
SIP Approval: Maryland (volatile organic compound (VOC) emissions from industrial solvent cleaning operations)
United States v. City of Wyandotte, No. 2-11-cv-12181 (E.D. Mich. May 18, 2011). A settling CAA defendant responsible for permit violations at a power plant in Wyandotte, Michigan, must pay a $112,000 civil penalty, must perform a supplemental environmental project at an estimated cost of $210,000, and must install new emission controls and implement operational practices to reduce emissions.