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Title 40

Displaying title 40, up to date as of 7/16/2026. Title 40 was last amended 7/16/2026.
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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter CAir Programs50 – 99
Part 63National Emission Standards for Hazardous Air Pollutants for Source Categories63.1 – 63.12099
Subpart IIINational Emission Standards for Hazardous Air Pollutants for Flexible Polyurethane Foam Production63.1290 – 63.1309
§ 63.1290Applicability.
§ 63.1291Compliance schedule.
§ 63.1292Definitions.
§ 63.1293Standards for slabstock flexible polyurethane foam production.
§ 63.1294Standards for slabstock flexible polyurethane foam production—diisocyanate emissions.
§§ 63.1295-63.1296 [Reserved]
§ 63.1297Standards for slabstock flexible polyurethane foam production—HAP ABA.
§ 63.1298Standards for slabstock flexible polyurethane foam production—HAP emissions from equipment cleaning.
§ 63.1299 [Reserved]
§ 63.1300Standards for molded flexible polyurethane foam production.
§ 63.1301Standards for rebond foam production.
§ 63.1302Applicability of subpart A requirements.
§ 63.1303Monitoring requirements.
§ 63.1304 [Reserved]
§ 63.1305Alternative means of emission limitation.
§ 63.1306Reporting requirements.
§ 63.1307Recordkeeping requirements.
§ 63.1308Compliance demonstrations.
§ 63.1309Implementation and enforcement.
Appendix to Subpart III of Part 63
Tables: Note
Table 1 to Subpart III of Part 63
Applicability of General Provisions (40 CFR Part 63, Subpart A) to Subpart III
Table 2 to Subpart III of Part 63
Compliance Requirements for Slabstock Foam Production Affected Sources
Table 3 to Subpart III of Part 63
Compliance Requirements for Molded and Rebond Foam Production Affected Sources