Code of Federal Regulations > Title 40 > Chapter I > Part 53 > Subpart B - Subpart B—Procedures for Testing Performance Characteristics of Automated Methods for SO2, CO, O3, and NO2

Regulations last checked for updates: May 22, 2025

Title 40 - Protection of Environment last revised: Apr 22, 2028

§ 53.20 - General provisions.

§ 53.21 - Test conditions.

§ 53.22 - Generation of test atmospheres.

§ 53.23 - Test procedures.

Appendix - Figure B-1 to Subpart B of Part 53—Example

Appendix - Table B-1 to Subpart B of Part 53—Performance Limit Specifications for Automated Methods

Appendix - Table B-2 to Subpart B of Part 53—Test Atmospheres

Appendix - Table B-3 to Subpart B of Part 53—Interferent Test Concentration,1 Parts per Million

Appendix - Table B-4 to Subpart B of Part 53—Line Voltage and Room Temperature Test Conditions

Appendix - Table B-5 to Subpart B of Part 53—Symbols and Abbreviations

Appendix Appendix A - Appendix A to Subpart B of Part 53—Optional Forms for Reporting Test Results

authority: Sec. 301(a) of the Clean Air Act (42 U.S.C. sec. 1857g(a)), as amended by sec. 15(c)(2) of Pub. L. 91-604, 84 Stat. 1713, unless otherwise noted

source: 40 FR 7049, Feb. 18, 1975, unless otherwise noted.