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89 FR 9088

EPA proposed revisions to previously proposed amendments to NESHAPs for Lime Manufacturing Plants; the revisions would alter the proposed emission limits for hydrogen chloride, mercury, organic hazardous air pollutants, and dioxins/furans. 

89 FR 8131

SIP Proposal: Virginia (second maintenance plan for the 1997 eight-hour ozone NAAQS in the Fredericksburg area). 

89 FR 8076

SIP Approval: Georgia (removal of the 1971 annual and 24-hour ambient air quality primary standard for sulfur dioxide). 

89 FR 8078

SIP Approval: California (revisions concerning the new source review permitting program for new and modified sources of air pollution). 

Sonda v. West Virginia Oil and Gas Conservation Commission

The Fourth Circuit reversed a district court order abstaining from ruling on constitutional claims brought by mineral interest owners challenging amendments to West Virginia's oil and gas conservation law. Plaintiffs argued the amendments, which for the first time authorized "unitization of interest...

89 FR 7655

SIP Proposal: Pennsylvania (particulate matter emission mitigation requirements for industry operating in the portion of Allegheny County known as “Mon Valley” during weather-related pollution episodes, and amendments to Allegheny County’s open burning regulation).