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89 FR 49120

SIP Proposal: Michigan (removal of redundant definition for "used oil"). 

89 FR 49874

EPA designated one new equivalent method for measuring concentrations of ozone in ambient air.

89 FR 49815

SIP Approval: California (revisions to meet extreme area requirements for the 1997 eight-hour ozone NAAQS in the Riverside Co. nonattainment area).

89 FR 49100

SIP Approval: Michigan (removal of redundant definition for "used oil"). 

89 FR 48919

United States v. ExxonMobil Pipeline Co. LLC, No. 4:24-cv-473-KGB (E.D. Ark. June 3, 2024). Under a proposed consent decree, settling OPA defendants must pay a total of $1,755,082 in connection with a discharge of oil from the Pegasus Pipeline into the environment in and around Mayflower, Arkansas, that migrated to waters, wetlands, and ultimately to Lake Conway.

89 FR 48523

SIP Proposal: Pennsylvania (revisions to attainment plan for the Indiana, Pennsylvania 2010 one-hour sulfur dioxide nonattainment area). 

89 FR 48532

SIP Proposal: Connecticut (removal of State Order Nos. 7002B and 2087 and addition of Consent Order No. 8381). 

89 FR 47468

SIP Approval: Kentucky (revisions to geographical boundary description and attainment status designation for the Henderson-Webster 2010 primary sulfur dioxide nonattainment area). 

89 FR 47474

SIP Proposal: District of Columbia, Maryland, and Virginia (revisions to motor vehicle emissions budgets and onroad and nonroad mobile emissions for volatile organic compounds and nitrogen oxides for years 2025 and 2030).