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88 FR 87359

SIP Approval: Indiana (volatile organic compound rules).

88 FR 86870

SIP Proposal: California (rule to address nonattainment fees in the Sacramento Metropolitan Air Quality Management District).  

88 FR 86581

SIP Approval: California (requirements for the 1997 annual fine particulate matter (PM2.5) NAAQS in the San Joaquin Valley PM2.5 nonattainment area, and the 2020 and 2023 motor vehicle emissions budgets and trading mechanism for use in transportation conformity analyses for the 1997 annual PM2.5 NAAQS). 

88 FR 86303

SIP Proposal: Alabama (2006 24-hour fine particulate matter NAAQS limited maintenance plan for the Birmingham, Alabama maintenance area). 

88 FR 86312

EPA proposed to partially approve and partially disapprove a state plan submitted by the Spokane Regional Clean Air Agency that establishes emission limits for existing large municipal waste combustors and provides for the implementation and enforcement of these limits.

88 FR 86094

EPA proposed to update the portion of the outer continental shelf air regulations for which North Carolina is the designated corresponding onshore area.

88 FR 86093

SIP Proposal: California (emissions control of volatile organic compounds from processing, production, gathering, and separation of crude oil and natural gas, and transfer and storage of reactive organic compound liquids and petroleum material in the Ventura County Air Pollution Control District).

88 FR 85511

SIP Approval: Colorado (disapproval of revisions to reasonably available control technology requirements for the 2008 eight-hour ozone NAAQS in the Denver Metro/North Front Range nonattainment area).  

88 FR 85654

United States v. R.J. Torching, Inc., No. 23-CV-13056 (E.D. Mich. Dec. 4, 2023). Under a proposed consent decree, a settling CAA defendant must perform injunctive relief and pay a $150,000 penalty for violations of regulations that limit particulate matter pollution from the defendant’s torch-cutting operations in Flint and (previously) Battle Creek, Michigan. 

88 FR 85112

SIP Approval: Louisiana (disapproval of revisions concerning excess emissions during periods of startup, shutdown, and malfunction).