Determination of Attainment for PM10: Columbia Falls and Libby Nonattainment Areas, Montana

Document ID: EPA-R08-OAR-2010-0749-0002
Document Type: Rule
Agency: Environmental Protection Agency
Topics: Air Pollution Control, Environmental Protection, Intergovernmental Relations, Particulate Matter, Reporting and Recordkeeping Requirements
Federal Register Number: 2011-02121
CFR Citation: 40 CFR Part 81
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Details Information

Received Date: January 31 2011, at 09:16 AM Eastern Standard Time
Start-End Page: 5280 - 5284
Page Count: 5
Comment Start Date: January 31 2011, at 12:00 AM Eastern Standard Time
Comment Due Date: March 2 2011, at 11:59 PM Eastern Standard Time

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