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89 FR 16712

SIP Proposal: California (revisions concerning emissions of volatile organic compounds and nitrogen oxides from refinery flares).

89 FR 17285

SIP Approval: New Hampshire (reasonably available control technology requirements for PAK Solutions, LLC). 

89 FR 17622

EPA revised its Risk Management Program under the CAA, including several changes and amplifications to the accident prevention program requirements, enhancements to the emergency preparedness requirements, and improvements to the public availability of chemical hazard information. 

89 FR 16698

SIP Approval: California (revisions concerning ozone nonattainment requirements for controlling volatile organic compounds and nitrogen oxides from refinery flares).

89 FR 16496

SIP Proposal: Kentucky (revisions to definitions and incorporation by reference dates).  

89 FR 16460

SIP Approval: Kentucky (revisions to rules regarding major stationary sources that are located within or have emissions that impact nonattainment areas, and revisions to nonattainment new source review planning requirements for the 2015 eight-hour ozone NAAQS in Jefferson County). 

89 FR 15962

SIP Approval: California (nonattainment fees in the Sacramento Metropolitan Air Quality Management District). 

89 FR 16202

EPA lowered the level of the primary annual fine particulate matter standard and finalized other key aspects related to the particulate matter NAAQS. 

89 FR 16408

EPA finalized maximum achievable control technology standards for mercury and revised emission standards for hydrogen chloride and hydrogen fluoride for NESHAPs for taconite iron ore processing. 

89 FR 15870

EPA entered into a proposed consent decree in Our Children’s Earth Foundation v. Regan, No. 3:23-cv-04955-WHA (N.D. Cal.), that would establish deadlines for EPA to sign a notice of final rulemaking on certain SIP revisions.