Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
Appendix - Table 4 to Subpart PPPPP of Part 63—Initial Compliance With Emission Limitations

As stated in § 63.9330, you must demonstrate initial compliance with each emission limitation that applies to you according to the following table:

For the . . . You have demonstrated initial compliance if . . .
1. CO or THC concentration emission limitationThe first 4-hour rolling average CO or THC concentration is 20 ppmvd or less, corrected to 15 percent O2 content if CEMS are installed or the average of the test run averages during the performance test is 20 ppmvd or less, corrected to 15 percent O2 content.
2. CO or THC percent reduction emission limitationThe first 4-hour rolling average reduction in CO or THC is 96 percent or more, dry basis, corrected to 15 percent O2 content.
[68 FR 28785, May 27, 2003, as amended at 85 FR 34348, June 3, 2020]
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.