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75 FR 82536

EPA finalized rulemaking that narrows thresholds of SIP PSD programs in 24 states that apply to GHG-emitting sources.

75 FR 82269

EPA approved Florida's plan under the CAA for implementing and enforcing the emissions guidelines applicable to existing large municipal waste combustors.

75 FR 81874

EPA determined that Arizona, Arkansas, Florida, Idaho, Kansas, Oregon, and Wyoming have failed to submit revisions to their EPA-approved SIPs to apply PSD requirements to GHG-emitting sources.

75 FR 81126

EPA finalized revisions to the primary and secondary NAAQS for lead and associated monitoring requirements.

75 FR 79302

EPA determined that the Dallas/Fort Worth moderate nonattainment area failed to attain the 1997 eight-hour ozone NAAQS and reclassified the area as a serious ozone nonattainment area; attainment must be reached no later than June 15, 2013.

75 FR 77698

EPA issued an SIP call to 13 states whose plans do not apply PSD requirements to GHG-emitting sources and established deadlines for their compliance.

76 FR 2591

EPA determined that the Louisville metro air pollution control district failed to submit an SIP that applies PSD requirements to GHG-emitting sources by January 1, 2011.