Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 63, Subpt. PPPPP, Tbl. 5 Table 5 to Subpart PPPPP of Part 63—Continuous Compliance With Emission Limitations

1. CO or THC concentration emission limitation

a. Demonstrate CO or THC emissions are 20 ppmvd or less over each 4- hour rolling averaging period

i. Collecting the CPMS data according to § 63.9306(a), reducing the measurements to 1-hour averages used to calculate the 3-hr block average; or

ii. Collecting the CEMS data according to § 63.9307(a), reducing the measurements to 1-hour averages, correcting them to 15 percent O₂ content, dry basis, according to § 63.9320.

2. CO or THC percent reduction emission limitation

a. Demonstrate a reduction in CO or THC of 96 percent or more over each 4-hour rolling averaging period

i. Collecting the CPMS data according to § 63.9306(a), reducing the measurements to 1-hour averages; or

ii. Collecting the CEMS data according to § 63.9307(b), reducing the measurements to 1-hour averages, correcting them to 15 percent O₂ content, dry basis, calculating the CO or THC percent reduction according to § 63.9320.