{"data":{"id":"us/40-cfr-table-4-to-subpart-ooo-of-part-63","jurisdiction":"us","citation":"40 CFR Table 4 to Subpart OOO of Part 63","heading":"Table 4 to Subpart OOO of Part 63—Operating Parameter Levels","body":"Device Parameters to be monitored Established operating parameter(s)\nScrubber pH of scrubber effluent; and scrubber liquid and gas flow rates Minimum pH; and minimum liquid/gas ratio\nAbsorber Exit temperature of the absorbing liquid; and exit specific gravity of the absorbing liquid Maximum temperature; and maximum specific gravity\nCondenser Exit temperature Maximum temperature\nCarbon absorber Total regeneration steam or nitrogen flow, or pressure (gauge or absolute) a during carbon bed regeneration cycle; and temperature of the carbon bed after regeneration (and within 15 minutes of completing any cooling cycle(s)) Maximum flow or pressure; and maximum temperature\nThermal incinerator Firebox temperature Minimum temperature\nCatalytic incinerator Temperature upstream and downstream of the catalyst bed Minimum upstream temperature; and minimum temperature difference across the catalyst bed\nBoiler or process heater Firebox temperature Minimum temperature\nOther devices (or as an alternate to the requirements previously presented in this table) b Organic HAP concentration level or reading at outlet of device Maximum organic HAP concentration or reading\na 25 to 50 mm (absolute) is a common pressure level obtained by pressure swing absorbers.\nb Concentration is measured instead of an operating parameter.","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 OOO—National Emission Standards for Hazardous Air Pollutant Emissions: Manufacture of Amino/Phenolic Resins"],"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":"789ae28ca44b7955ca807de5b8a1bf6209fd9f7c5eb30c47ee56ca6559d4b668","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-3-to-subpart-ooo-of-part-63","next":"us/40-cfr-table-5-to-subpart-ooo-of-part-63"},"notice":"GroundRules: Original legal text. Not legal advice."}