Environment

Privacy Act System of Records: Compass Records Modification

The EPA is modifying its Privacy Act System of Records for Compass records, which track accounts receivable, accounts payable, budget execution, and related reporting. The modification adds a new routine use required by Executive Order 14249 and OMB Memorandum M-25-32. Contact information for the Agency Privacy Officer is also updated.

Arizona SIP Revision for Maricopa County ERC Program

The EPA is proposing to approve a revision to Arizona's State Implementation Plan (SIP) for the Maricopa County Air Quality Department regarding the New Source Review program's Emission Reduction Credits (ERC) program. The proposal opens a 32-day public comment period ending May 18, 2026. Affected sources in Maricopa County subject to New Source Review requirements should review the proposed changes to understand implications for ERC generation, use, and transfer.

Tucson International Airport Area Site CERCLA Settlement for Removal Action

The EPA proposes a CERCLA settlement agreement for removal action at the Tucson International Airport Area Site in Tucson, AZ. The settlement addresses environmental contamination at the Superfund site. Public comments on the proposed settlement are being accepted for 32 days.

Arizona Interstate Transport SIP Approval for 2012 Fine Particulate Matter Standards

EPA Region 9 approved Arizona's State Implementation Plan revision addressing interstate transport requirements for the 2012 Fine Particulate Matter National Ambient Air Quality Standards. The rule approves Arizona's demonstration that emissions from the state do not significantly contribute to PM2.5 nonattainment in other states. The action is effective May 18, 2026.

Pennsylvania Allegheny County Redesignation for 2012 Annual PM2.5 Standard

EPA approved Pennsylvania's request to redesignate the Allegheny County area for the 2012 Annual Fine Particulate Matter (PM2.5) National Ambient Air Quality Standard. The final rule is effective May 18, 2026. This action affects air quality management designations in the Pittsburgh metropolitan area under the Clean Air Act.

Air Plan Approval; California; Eastern Kern APCD; Portland Cement Kilns NOx

EPA Region 9 approved a revision to California's State Implementation Plan submitted by the Eastern Kern Air Pollution Control District. The revision establishes emission limitations and compliance schedules for nitrogen oxides from Portland cement kilns. The rule is effective May 18, 2026.

National Emission Standards: Coal- and Oil-Fired Electric Utility Steam Generating Units: Final Repeal; Correction

The EPA issued a correction to a February 2026 final rule that repealed National Emission Standards for Hazardous Air Pollutants (NESHAP) for coal- and oil-fired electric utility steam generating units. The correction is effective April 27, 2026. Operators of affected generating units should monitor for updates to emission standards under 40 CFR 63.

Pollution Incident Dead Fish Burn of Carron Near Aberlour

SEPA is investigating a pollution incident on the Burn of Carron near Aberlour, Scotland, that caused dead fish. Reports of white discoloration and a turpentine-like odour were received on 14 April. Officers traced the source to a layby on the A95 road. The Spey Fishery Board reported additional impacts including dead fish. SEPA officers confirmed on 15 April that water is now running clear. The investigation remains ongoing.

NAGPRA Inventory Completion: Kansas State Historical Society Human Remains

The National Park Service published a notice announcing the Kansas State Historical Society has completed its NAGPRA inventory of human remains and associated funerary objects. The inventory identifies four individuals from Norton and Rawlins Counties, Kansas, with eight associated funerary objects (chipped stone tools and mollusk shells). The KSHS determined cultural affiliation between these remains and Indian Tribes or Native Hawaiian organizations. Repatriation may occur on or after May 18, 2026.

NAGPRA Repatriation Notice: Dearborn Historical Museum Returns Sacred Objects to Seneca Nation

The National Park Service published a NAGPRA notice on behalf of the Dearborn Historical Museum in Dearborn, Michigan, announcing the intended repatriation of two sacred objects/objects of cultural patrimony to the Seneca Nation of Indians. The items include one Iroquois basket sifter and one pair of moccasins, both determined to have ongoing historical, traditional, and cultural importance to the tribe. Repatriation may occur on or after May 18, 2026.