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Electronic Code of Federal Regulations

e-CFR data is current as of December 4, 2019

Title 40Chapter ISubchapter CPart 63Subpart PPPPP → Appendix


Title 40: Protection of Environment
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)
Subpart PPPPP—National Emission Standards for Hazardous Air Pollutants for Engine Test Cells/Stands


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.
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.

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