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The top documents tagged [hour ozone designations]
1 Clean Air Update Ozone Rules (signed April 15, 2004) 8-hour ozone designations Final 8-hour Implementation Rule - Phase 1 Transition from the 1-hour
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How Ozone is Regulated under the Clean Air Act Darcy J. Anderson AZ Dept. of Environmental Quality
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Impact of Recent EPA Actions on New England’s Air Quality Michael Kenyon Air Programs Branch Chief – EPA New England April 5, 2005
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