{"data":{"id":"us/40-cfr-table-4-to-subpart-cccc-of-part-63","jurisdiction":"us","citation":"40 CFR Table 4 to Subpart CCCC of Part 63","heading":"Table 4 to Subpart CCCC of Part 63—Continuous Compliance With Emission Limitations","body":"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 . . .\n1. 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.\na Monitoring brew ethanol concentration to demonstrate compliance is not allowed on and after October 16, 2020, as specified in Table 8 to this subpart.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES","Subpart CCCC—National Emission Standards for Hazardous Air Pollutants: Manufacturing of Nutritional Yeast"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"d36ab64b558f47076be73c32500003a12a9ef6b33ee5a5ce4a1c1b79b6ed4a2b","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-3-to-subpart-cccc-of-part-63","next":"us/40-cfr-table-5-to-subpart-cccc-of-part-63"},"notice":"GroundRules: Original legal text. Not legal advice."}