['Air Programs']
['Hazardous Air Pollutants']
02/27/2022
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[As stated in §63.9340, you must demonstrate continuous compliance with each emission limitation that applies to you according to the following table:]
| For the . . . | You must . . . | By . . . |
|---|---|---|
| 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. |
[85 FR 34349, June 3, 2020]
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