Approval of One-Year Extension for Attaining the 1997 8-Hour Ozone Standard: Delaware, Maryland, and Pennsylvania portions of the Philadelphia-Wilmington-Atlantic City Moderate Nonattainment Area

Document ID: EPA-R03-OAR-2010-0574-0006
Document Type: Rule
Agency: Environmental Protection Agency
Topics: Air Pollution Control, Environmental Protection, National Parks, Wilderness Areas
Federal Register Number: 2011-01262
CFR Citation: 40 CFR Part 81
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Details Information

Document Subtype: Federal Register Document
Received Date: January 21 2011, at 12:00 AM Eastern Standard Time
Start-End Page: 3840 - 3843
Page Count: 4

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