40 CFR 58.50 - Index reporting.

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§ 58.50 Index reporting.
(a) The State or where applicable, local agency shall report to the general public on a daily basis through prominent notice an air quality index that complies with the requirements of appendix G to this part.
(b) Reporting is required for all individual MSA with a population exceeding 350,000.
(c) The population of a MSA for purposes of index reporting is the most recent decennial U.S. census population.
[71 FR 61302, Oct. 17, 2006]

Title 40 published on 2014-07-01

no entries appear in the Federal Register after this date.

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United States Code

Title 40 published on 2014-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR 58 after this date.

  • 2014-09-11; vol. 79 # 176 - Thursday, September 11, 2014
    1. 79 FR 54356 - Revisions to Ambient Monitoring Quality Assurance and Other Requirements
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Proposed rule.
      Comments must be received on or before November 10, 2014.
      40 CFR Part 58