Federal Register of March 22, 2007, (72 FR 13452) (FRL-8290-9)
Notice contains list of pending proposed 8-hour ozone redesignations. This rule provides information to allow proposed actions to proceed to becoming finalized with respect to recent Court ruling vacating the Phase 1 Ozone Implementation rule.
Supplemental Proposed Rulemaking on 8-Hour Ozone Redesignations for Various Areas in Michigan, Ohio and West Virginia
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