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76 FR 18064
EPA approved California's airborne toxic control measure for perchloroethylene emissions from dry cleaning and water-repelling operations in place of the national standards
76 FR 29652
SIP Approval: Illinois/Missouri (attainment of the 1997 annual PM NAAQS for the Saint Louis nonattainment area)
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.
76 FR 31242
SIP Approval: California (limited approval of NOx revisions for the Santa Barbara County air pollution control district)