Approval and Promulgation of State Implementation Plan Revisions: Colorado; Infrastructure Requirements for the 1997 8-hour Ozone National Ambient Air Quality Standards

Document ID: EPA-R08-OAR-2009-0809-0001
Document Type: Proposed Rule
Agency: Environmental Protection Agency
Topics: Air Pollution Control, Carbon Monoxide, Environmental Protection, Intergovernmental Relations, Lead, Nitrogen Dioxide, Ozone, Particulate Matter, Reporting and Recordkeeping Requirements, Sulfur Oxides, Volatile Organic Compounds
Federal Register Number: 2011-12213
CFR Citation: 40 CFR Part 52
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Details Information

Received Date: May 18 2011, at 08:51 AM Eastern Daylight Time
Start-End Page: 28707 - 28715
Page Count: 9
Comment Start Date: May 18 2011, at 12:00 AM Eastern Standard Time
Comment Due Date: June 17 2011, at 11:59 PM Eastern Standard Time

Comments

   
Total: 2
WildEarth Guardians Comment with exhibits - 6-17-11
Posted: 06/22/2011     ID: EPA-R08-OAR-2009-0809-0008

Jun 17,2011 11:59 PM ET
WildEarth Guardians Comment - 6-17-11
Posted: 06/20/2011     ID: EPA-R08-OAR-2009-0809-0007

Jun 17,2011 11:59 PM ET

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