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 GPO Pt. 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 Maximumdiscrepancy specification, 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 2014-07-01

no entries appear in the Federal Register after this date.

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.

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

91-604