40 CFR Part 53, Subpart C, Table C-1 to Subpart C of Part 53 - Test Concentration Ranges, Number of Measurements Required, and Maximum Discrepancy Specifications

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View PDF at GPOPt. 53, Subpt. C, Table C-1
Table C-1 to Subpart C of Part 53—Test Concentration Ranges, Number of Measurements Required, and Maximum Discrepancy Specifications
Pollutant Concentration range, parts per million (ppm) Simultaneous measurements required Maximumdiscrepancyspecification, parts per million
1-hour 24-hour
First set Second set First set Second set
Ozone Low 0.06 to 0.10 5 6 0.02
Med. 0.15 to 0.25 5 6 0.03
High 0.35 to 0.46 4 6 0.04
Total 14 18
Carbon monoxide Low 7 to 11 5 6 1.5
Med. 20 to 30 5 6 2.0
High 25 to 45 4 6 3.0
Total 14 18
Sulfur dioxide Low 0.02 to 0.05 5 6 3 3 0.02
Med. 0.10 to 0.15 5 6 2 3 0.03
High 0.30 to 0.50 4 6 2 2 0.04
Total 14 18 7 8
Nitrogen dioxide Low 0.02 to 0.08 3 3 0.02
Med. 0.10 to 0.20 2 2 0.02
High 0.25 2 2 0.03
Total 7 8
[75 FR 35601, June 22, 2010]

Title 40 published on 2015-07-01.

The following are only the Rules published in the Federal Register after the published date of Title 40.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2015-10-26; vol. 80 # 206 - Monday, October 26, 2015
    1. 80 FR 65292 - National Ambient Air Quality Standards for Ozone
      GPO FDSys: XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule.
      The final rule is effective on December 28, 2015.
      40 CFR Parts 50, 51, 52, 53, and 58

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code
U.S. Code: Title 42 - THE PUBLIC HEALTH AND WELFARE
Statutes at Large
Public Laws

91-604

Title 40 published on 2015-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 53 after this date.

  • 2015-10-26; vol. 80 # 206 - Monday, October 26, 2015
    1. 80 FR 65292 - National Ambient Air Quality Standards for Ozone
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule.
      The final rule is effective on December 28, 2015.
      40 CFR Parts 50, 51, 52, 53, and 58