{"data":{"id":"us/40-cfr-table-2-to-subpart-mmm-of-part-63","jurisdiction":"us","citation":"40 CFR Table 2 to Subpart MMM of Part 63","heading":"Table 2 to Subpart MMM of Part 63—Standards for New and Existing PAI Sources","body":"Emission source Applicability Requirement\nProcess vents Existing:\nProcesses having uncontrolled organic HAP emissions ≥0.15 Mg/yr 90% for organic HAP per process or to outlet concentration of ≤20 ppmv TOC.\nProcesses having uncontrolled HCl and chlorine emissions ≥6.8 Mg/yr 94% for HCl and chlorine per process or to outlet HCl and chlorine concentration of ≤20 ppmv.\nIndividual process vents meeting flow and mass emissions criteria that have gaseous organic HAP emissions controlled to less than 90% on or after November 10, 1997 98% gaseous organic HAP control per vent or ≤20 ppmv TOC outlet limit.\nNew:\nProcesses having uncontrolled organic HAP emissions ≥0.15 Mg/yr 98% for organic HAP per process or ≤20 ppmv TOC.\nProcesses having uncontrolled HCl and chlorine emissions ≥6.8 Mg/yr and \u003c191 Mg/yr 94% for HCl and chlorine per process or to outlet concentration of ≤20 ppmv HCl and chlorine.\nProcesses having uncontrolled HCl and chlorine emissions ≥191 Mg/yr 99% for HCl and chlorine per process or to outlet concentration of ≤20 ppmv HCl and chlorine.\nStorage vessels Existing: ≥75 m3 capacity and vapor pressure ≥3.45 kPa Install a floating roof, reduce HAP by 95% per vessel, or to outlet concentration of ≤20 ppmv TOC.\nNew: ≥38 m3 capacity and vapor pressure ≥16.5 kPa Same as for existing sources.\n≥75 m3 capacity and vapor pressure ≥3.45 kPa Same as for existing sources.\nWastewater a Existing: Process wastewater with ≥10,000 ppmw Table 9 compounds at any flowrate or ≥1,000 ppmw Table 9 compounds at ≥10 L/min, and maintenance wastewater with HAP load ≥5.3 Mg per discharge event Reduce concentration of total Table 9 compounds to \u003c50 ppmw (or other options).\nNew:\nSame criteria as for existing sources Reduce concentration of total Table 9 compounds to \u003c50 ppmw (or other options).\nTotal HAP load in wastewater POD streams ≥2,100 Mg/yr. 99% reduction of Table 9 compounds from all streams.\nEquipment leaks Subpart H Subpart H with minor changes, including monitoring frequencies consistent with the proposed CAR.\nProduct dryers and bag dumps Dryers used to dry PAI that is also a HAP, and bag dumps used to introduce feedstock that is a solid and a HAP Particulate matter concentration not to exceed 0.01 gr/dscf.\nHeat exchange systems Each heat exchange system used to cool process equipment in PAI manufacturing operations Monitoring and leak repair program as in HON.\na Table 9 is listed in the appendix to subpart G of 40 CFR part 63.","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 MMM—National Emission Standards for Hazardous Air Pollutants for Pesticide Active Ingredient Production"],"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":"22a4f3cd21e7babe9347ea7d1b39ce77b184305b43cb8a8400309db3c103ca92","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-1-to-subpart-mmm-of-part-63","next":"us/40-cfr-table-3-to-subpart-mmm-of-part-63"},"notice":"GroundRules: Original legal text. Not legal advice."}