{"data":{"id":"us/40-cfr-table-39-to-subpart-uuu-of-part-63","jurisdiction":"us","citation":"40 CFR Table 39 to Subpart UUU of Part 63","heading":"Table 39 to Subpart UUU of Part 63—Continuous Compliance With Work Practice Standards for HAP Emissions From Bypass Lines","body":"As stated in § 63.1569(c)(1), you shall meet each requirement in the following table that applies to you.\nIf you elect this standard . . . You shall demonstrate continuous compliance by . . .\n1. Option 1: Flow indicator, level recorder, or electronic valve position monitor. Monitoring and recording on a continuous basis or at least every hour whether flow is present in the bypass line; visually inspecting the device at least once every hour if the device is not equipped with a recording system that provides a continuous record; and recording whether the device is operating properly and whether flow is present in the bypass line.\n2. Option 2: Car-seal or lock-and-key device Visually inspecting the seal or closure mechanism at least once every month; and recording whether the bypass line valve is maintained in the closed position and whether flow is present in the line.\n3. Option 3: Solid blind flange Visually inspecting the blind at least once a month; and recording whether the blind is maintained in the correct position such that the vent stream cannot be diverted through the bypass line.\n4. Option 4: Vent to control device Monitoring the control device according to appropriate subpart requirements.\n5. Option 1, 2, 3, or 4 Recording and reporting the time and duration of any bypass.","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 UUU—National Emission Standards for Hazardous Air Pollutants for Petroleum Refineries: Catalytic Cracking Units, Catalytic Reforming Units, and Sulfur Recovery Units"],"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":"74cc3acc7dc10c977c3955fbc96e1b82d5da57225c69c0487d420c67aad9cfdf","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-38-to-subpart-uuu-of-part-63","next":"us/40-cfr-table-40-to-subpart-uuu-of-part-63"},"notice":"GroundRules: Original legal text. Not legal advice."}