SIP Approval: Texas (revisions pertaining to particulate matter and outdoor burning regulations).

SIP Approval: Missouri (marginal nonattainment area requirements for the 2015 eight-hour ozone NAAQS for the Missouri portion of the St. Louis, MO-IL nonattainment area).

FWS announced three 90-day findings on petitions to delist the grizzly bear in the lower 48 states under the ESA; the agency found that the petitions to delist populations in two specific ecosystems, the Northern Continental Divide ecosystem and the greater Yellowstone ecosystem may be warranted, but that the petition to delist the grizzly bear in the lower 48 states on the basis of it not being a valid listable entity did not present substantial scientific or commercial information indicating that it may be warranted.

United States v. Logan Square Aluminum Supply, Inc., No. 1:23-CV-00557 (N.D. Ill. Jan. 30, 2023). A settling TSCA defendant that violated regulations governing residential property renovations must perform injunctive relief and implement a comprehensive management system to help ensure compliance with EPA's Lead Renovation, Repair, and Painting Rule requirements.

EPA entered into a proposed consent decree under RCRA in Statewide Organizing for Community eMpowerment v. U.S. Environmental Protection Agency, No. 1:22-cv-2562-JDB (D.D.C.), that would establish deadlines for the Agency to sign proposed and final actions pertaining to allegations that EPA failed to perform its non-discretionary duty to review and revise a regulation that exempts inactive coal combustion residuals (CCR) landfills from the CCR disposal regulations.

SIP Approval: Oklahoma (revisions addressing open burning, control of emissions of volatile organic compounds (VOC), and specialty coating VOC content limits).

EPA released the updated Clean Water Act Financial Capability Assessment Guidance, which may be used by municipalities when making certain water quality decisions and when developing or revising plans to dramatically reduce sewer overflows.

SIP Proposal: Oklahoma (revisions related to excess emissions during startup, shutdown, and malfunction events).

EPA issued a final determination under CWA §404 prohibiting the specification of and restricting the use for specification of certain waters in the South Fork Koktuli River, North Fork Koktuli River, and Upper Talarik Creek watersheds as disposal sites for certain discharges of dredged or fill material associated with developing the Pebble deposit, a copper-, gold-, and molybdenum-bearing ore body located in Southwest Alaska.

EPA proposed to determine that the Detroit, Michigan, nonattainment area attained the 2015 ozone NAAQS based upon complete, quality-assured, and certified ambient air monitoring data for the 2020-2022 design period.