{"data":{"id":"us/40-cfr-table-9-to-subpart-ggg-of-part-63","jurisdiction":"us","citation":"40 CFR Table 9 to Subpart GGG of Part 63","heading":"Table 9 to Subpart GGG of Part 63—Default Biorates for Soluble HAP","body":"Compound name Biorate (K1), L/g MLVSS-hr\nAcetonitrile 0.100\nAcetophenone 0.538\nDiethyl sulfate 0.105\nDimethyl hydrazine(1,1) 0.227\nDimethyl sulfate 0.178\nDinitrotoluene(2,4) 0.784\nDioxane(1,4) 0.393\nEthylene glycol dimethyl ether 0.364\nEthylene glycol monobutyl ether acetate 0.496\nEthylene glycol monomethyl ether acetate 0.159\nIsophorone 0.598\nMethanol a\nNitrobenzene 2.300\nToluidine (-0) 0.859\nTriethylamine 1.064\na For direct dischargers, the default biorate for methanol is 3.5 L/g MLVSS-hr; for indirect dischargers, the default biorate for methanol is 0.2 L/g MLVSS-hr.","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 GGG—National Emission Standards for Pharmaceuticals 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":"c365186601e9e82f04b2b0d787181cde10cde31c5576bbf2512167820cc44da5","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-8-to-subpart-ggg-of-part-63","next":"us/40-cfr-63.1270"},"notice":"GroundRules: Original legal text. Not legal advice."}