EPA retroactively applied the approved modification of the federal equivalent method designation for the teledyne advanced pollution instrumentation model T640 particulate matter (PM) mass monitor to all of the concentration data for PM2.5 from the T640 and T640X monitors in EPA’s air quality system that was reported prior to the modification.
SIP Proposal: Wisconsin (miscellaneous changes).
SIP Approval: California (issuance of permits for stationary sources and preconstruction review and permitting of major sources and major modifications in the San Luis Obispo County Air Pollution Control District).
SIP Approval: Delaware (amendments to standardize public notice requirements).
SIP Approval: New York (source-specific revision for for Finch Paper LLC for implementation of 2008 and 2015 ozone NAAQS).
SIP Proposal: Florida (removal of obsolete, duplicative, or unnecessary rules from general provisions).
EPA amended requirements that apply to the petroleum and natural gas systems source category of the Greenhouse Gas Reporting Rule.
The Seventh Circuit reversed a district court's preliminary injunction prohibiting approval of a proposed land exchange in Wisconsin for construction of a high-voltage electric transmission line that would run through the Upper Mississippi River National Wildlife and Fish Refuge. The appellate court...
The Third Circuit denied power companies' petition to review EPA's issuance of a federal implementation plan (FIP) establishing nitrogen oxide (NOx) emission limits for selective catalytic reduction-equipped coal-fired electric generating units in Pennsylvania to address reasonably available control...
The D.C. Circuit affirmed summary judgment for the Army Corps of Engineers and NMFS in a challenge to approval of a dredging project in Puerto Rico's San Juan Bay. Environmental groups argued the agencies failed to take the necessary "hard look" at the project's environmental effect. The district co...