Electronic Code of Federal Regulations (eCFR)

For . . .	98-percent option: You must demonstrate continuous compliance by . . .	Average option: You must demonstrate continuous compliance by . . .	Batch option: You must demonstrate continuous compliance by . . .
1. Each fed-batch fermenter producing yeast in a fermentation stage (last, second-to-last, or third-to-last) for which compliance is determined by monitoring VOC concentration in the fermenter exhaust 2. Each fed-batch fermenter producing yeast in a fermentation stage (last, second-to-last, or third-to-last) 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^a	Showing that BAVOC for at least 98 percent of the batches for each 12-month calculation period ending within a semiannual reporting period described in §63.2181(b)(3) does not exceed the applicable maximum concentration in Table 1 to this subpart	Showing that the average BAVOC of all batches in each fermentation stage during each 12-month calculation period ending within a semiannual reporting period described in §63.2181(b)(3) does not exceed the applicable concentration in Table 1 to this subpart	Showing that BAVOC for each batch within a semiannual reporting period described in §63.2181(b)(3) does not exceed the applicable concentration in Table 1 to this subpart.

^aMonitoring brew ethanol concentration to demonstrate compliance is not allowed on and after October 16, 2020, as specified in Table 8 to this subpart.

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