Code of Federal Regulations > Title 40 > Chapter I > Part 63 > Subpart CCCC > Appendix - Table 2 to Subpart CCCC of Part 63—Requirements for Performance Tests If You Monitor Brew Ethanol

Regulations last checked for updates: May 16, 2024

Title 40 - Protection of Environment last revised: May 14, 2024

Appendix - Table 2 to Subpart CCCC of Part 63—Requirements for Performance Tests If You Monitor Brew Ethanol

For each fed-batch fermenter for which compliance is determined by monitoring brew ethanol concentration and calculating VOC concentration in the fermenter exhaust according to the procedures in § 63.2161, you must . . .	Using . . .	According to the following requirements . . .
Measure VOC as propane	Method 25A, ^a or an alternative validated by EPA Method 301 ^b and approved by the Administrator	You must measure the VOC concentration in the fermenter exhaust at any point prior to the dilution of the exhaust stream.

^a EPA Test Method 25A is found in appendix A-7 of 40 CFR part 60.

^b EPA Test Method 301 is found in appendix A of 40 CFR part 63.

authority: 42 U.S.C. 7401

source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.