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40 CFR Part 53 and 58

This area contains information on the Federal regulations governing many aspects of the ambient air monitoring program in the United States.

Description

Ambient Air Monitoring Regulations: Corrections and Other Amendments: Fact Sheet
Ambient Air Monitoring Regulations: Corrections and Other Amendments: Direct Final Rule
Ambient Air Monitoring Regulations: Corrections and Other Amendments: Proposed Rule
PM_2.5 Field Blank Reporting to AQS Frequently Asked Questions
Clarification of Monitoring Rule Provisions Involving Comparisons to the NAAQS - Sampling Frequency and Minimum Monitoring Requirements
Listing of known corrections to the October 17,2006 "Final - Revisions to Ambient Air Monitoring Regulations."
Copy of the correct version of the October 17,2006 "Final - Revisions to Ambient Air Monitoring Regulations."
Copy of the October 17, 2006 Final - Revisions to Ambient Air Monitoring Regulations. NOTE: This version contains Federal Register typesetting errors.
Copy of the January 16, 2006 Proposal - Revisions to Ambient Air Monitoring Regulations
Go to GPO copy of parts 53 and 58.

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