Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
Appendix - Table 3 to Subpart BBBBBBB of Part 63—Test Methods
For * * * You must use * * *
1. Selecting the sampling locations a and the number of traverse pointsEPA test method 1 or 1A in appendix A to part 60.
2. Determining the velocity and volumetric flow rateEPA test method 2, 2A, 2C, 2D, 2F, or 2G, as appropriate, in appendix A to part 60.
3. Determining the gas molecular weight used for flow rate determinationEPA test method 3, 3A, 3B, as appropriate, in appendix A to part 60.
4. Measuring the moisture content of the stack gasEPA test method 4 in appendix A to part 60.
5. Measuring the PM emissionsEPA test method 5 in appendix A to part 60.

a The sampling locations must be located at the outlet of the process equipment (or control device, if applicable), prior to any releases to the atmosphere.

authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.