Code of Federal Regulations > Title 40 > Chapter I > Part 53 > Subpart E - Subpart E—Procedures for Testing Physical (Design) and Performance Characteristics of Reference Methods and Class I and Class II Equivalent Methods for PM 2.5 or PM 10-2.5

Regulations last checked for updates: May 03, 2024

Title 40 - Protection of Environment last revised: Jun 26, 2024

§ 53.50 - General provisions.

§ 53.51 - Demonstration of compliance with design specifications and manufacturing and test requirements.

§ 53.52 - Leak check test.

§ 53.53 - Test for flow rate accuracy, regulation, measurement accuracy, and cut-off.

§ 53.54 - Test for proper sampler operation following power interruptions.

§ 53.55 - Test for effect of variations in power line voltage and ambient temperature.

§ 53.56 - Test for effect of variations in ambient pressure.

§ 53.57 - Test for filter temperature control during sampling and post-sampling periods.

§ 53.58 - Operational field precision and blank test.

§ 53.59 - Aerosol transport test for Class I equivalent method samplers.

Appendix - Table E-1 to Subpart E of Part 53—Summary of Test Requirements for Reference and Class I Equivalent Methods for PM 2.5 and PM 10-2.5

Appendix - Table E-2 to Subpart E of Part 53—Spectral Energy Distribution and Permitted Tolerance for Conducting Radiative Tests

Appendix - Figure E-1 to Subpart E of Part 53—Designation Testing Checklist

Appendix Appendix A - Appendix A to Subpart E of Part 53—References

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.