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75 FR 78167
SIP Approval: Arizona (PM emissions from fugitive dust sources).
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
75 FR 81863
SIP Approval: Alabama (Greenhouse Gas Tailoring Rule revision)
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.
76 FR 24372
SIP Approval: Delaware (update of regulations)
76 FR 26933
SIP Approval: Connecticut (PSD program for greenhouse gases (GHGs))