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

Requirements for Performance Tests If You Monitor Brew Ethanol

  1. CFR
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  3. Title 40
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  5. Chapter I
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  7. Part 63
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  9. Subpart CCCC
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  11. Subject Group Other Requirements and Information
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  13. Appendix Table 2 to Subpart CCCC of Part 63
CorpusDaily eCFR
Displayed edition2026-04-27
Last updated2026-04-27

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 propaneMethod 25A,a or an alternative validated by EPA Method 301 b and approved by the AdministratorYou 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.