{"data":{"id":"us/40-cfr-table-8-to-subpart-cccc-of-part-63","jurisdiction":"us","citation":"40 CFR Table 8 to Subpart CCCC of Part 63","heading":"Table 8 to Subpart CCCC of Part 63—Monitoring System Requirements Timeline","body":"For each . . . During this time frame . . . You must monitor VOC concentration by . . .\nExisting affected source Before 10/16/2017 Monitoring fermenter exhaust using a CEMS or by monitoring brew ethanol concentration using a brew ethanol monitor.\nBetween 10/16/2017 and October 16, 2020 Monitoring fermenter exhaust using a VOC CEMS or by monitoring brew ethanol concentration using a brew ethanol monitor.\nOn and after October 16, 2020 Monitoring fermenter exhaust using a VOC CEMS.\nNew or reconstructed affected source that you start up prior to 10/16/2017 Before 10/16/2017 Monitoring fermenter exhaust using a CEMS or by monitoring brew ethanol concentration using a brew ethanol monitor.\nBetween 10/16/2017 and October 16, 2020 Monitoring fermenter exhaust using a VOC CEMS or by monitoring brew ethanol concentration using a brew ethanol monitor.\nOn and after October 16, 2020 Monitoring fermenter exhaust using a VOC CEMS.\nNew or reconstructed affected source that you start up after 10/16/2017 After 10/16/2017 Monitoring fermenter exhaust using a VOC CEMS.","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":"2b8b7fa55c39d1ff8a5825b28d0756e3f81cc20d0c784b09148ce8b92aa4ec26","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-7-to-subpart-cccc-of-part-63","next":"us/40-cfr-63.2230"},"notice":"GroundRules: Original legal text. Not legal advice."}