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89 FR 15035

SIP Approval: California (revisions to requirements for the 2008 and 2015 eight-hour ozone NAAQS in the San Diego County ozone nonattainment area). 

89 FR 15098

SIP Proposal: Tennessee (revisions to add exemptions to opacity monitoring requirements). 

89 FR 16820

EPA finalized multiple actions to reduce air pollution emissions from the crude oil and natural gas source category. 

89 FR 14760

EPA removed the one-pound per square inch Reid vapor pressure waiver for summer gasoline-ethanol blended fuels containing 10% ethanol in Illinois, Iowa, Minnesota, Missouri, Nebraska, Ohio, South Dakota, and Wisconsin, in response to petitions from those states. 

89 FR 14792

SIP Proposal: Connecticut (source monitoring, recordkeeping and reporting requirements). 

89 FR 14412

SIP Approval: California (revisions related to excess emissions during startup, shutdown, and malfunction events in the San Joaquin Valley Air Pollution Control District). 

89 FR 13304

SIP Proposal: Ohio (reinstatement of air nuisance rule). 

89 FR 13302

SIP Proposal: Virginia (amendment to include a newly designated sulfur dioxide nonattainment area). 

89 FR 13022

SIP Proposal: Pennsylvania (disapproval of revisions to address certain reasonably available control technology requirements for the 1997 and 2008 ozone NAAQS for the Keystone, Conemaugh and Homer City electric generating facilities).