SIP Proposal: Georgia (revisions to Cross-State Air Pollution Rule and Clean Air Interstate Rule).

EPA announced that it is reconsidering whether the light-duty vehicle greenhouse gas standards previously established for model years 2022-2025 are appropriate.

SIP Approval: Virginia (revisions to new source review regulations).

SIP Approval: Arkansas (revisions to regional haze plan).

EPA authorized changes to Arkansas' hazardous waste program under RCRA. 

NMFS listed the Maui dolphin as endangered and the South Island Hector's dolphin as threatened under the ESA.

United States v. Alsol Corp., No. 2:13-cv-00380 (D.N.J. Sept. 15, 2017). Settling CERCLA defendants responsible for releases at the Michelin Powerhouse Site and the Michelin Building 3 Vat Site in Milltown, New Jersey, must pay $2,450,000 as reimbursement for past response costs.

SIP Proposal: Louisiana (regional haze requirements for the Entergy R. S. Nelson facility).

SIP Approval: Iowa (infrastructure requirements for the 2012 fine particulate matter NAAQS).

United States v. North Las Vegas, City of, No. 2:17-cv-02508 (D. Nev. Sept. 27, 2017). A settling CWA defendant that violated its NPDES permit must pay a $385,000 civil penalty.