---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchC/part63/subpartXXXX"
level: "subpart"
label: "Subpart XXXX"
heading: "National Emissions Standards for Hazardous Air Pollutants: Rubber Tire Manufacturing"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchC-part63-subpartXXXX"
sections_count: 36
---

# Subpart XXXX — National Emissions Standards for Hazardous Air Pollutants: Rubber Tire Manufacturing

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter C — Air Programs › Part 63 — National Emission Standards for Hazardous Air Pollutants for Source Categories

## Sections

- [§63.5980. What is the purpose of this subpart?](/cfr/40/63.5980.md)
- [§63.5981. Am I subject to this subpart?](/cfr/40/63.5981.md)
- [§63.5982. What parts of my facility does this subpart cover?](/cfr/40/63.5982.md)
- [§63.5983. When do I have to comply with this subpart?](/cfr/40/63.5983.md)
- [§63.5984. What emission limits must I meet for tire production affected sources?](/cfr/40/63.5984.md)
- [§63.5985. What are my alternatives for meeting the emission limits for tire production affected sources?](/cfr/40/63.5985.md)
- [§63.5986. What emission limits must I meet for tire cord production affected sources?](/cfr/40/63.5986.md)
- [§63.5987. What are my alternatives for meeting the emission limits for tire cord production affected sources?](/cfr/40/63.5987.md)
- [§63.5988. What emission limitations must I meet for puncture sealant application affected sources?](/cfr/40/63.5988.md)
- [§63.5989. What are my alternatives for meeting the emission limitations for puncture sealant application affected sources?](/cfr/40/63.5989.md)
- [§63.5990. What are my general requirements for complying with this subpart?](/cfr/40/63.5990.md)
- [§63.5991. By what date must I conduct an initial compliance demonstration or performance test?](/cfr/40/63.5991.md)
- [§63.5992. When must I conduct subsequent performance tests?](/cfr/40/63.5992.md)
- [§63.5993. What performance tests and other procedures must I use?](/cfr/40/63.5993.md)
- [§63.5994. How do I conduct tests and procedures for tire production affected sources?](/cfr/40/63.5994.md)
- [§63.5995. What are my monitoring installation, operation, and maintenance requirements?](/cfr/40/63.5995.md)
- [§63.5996. How do I demonstrate initial compliance with the emission limits for tire production affected sources?](/cfr/40/63.5996.md)
- [§63.5997. How do I conduct tests and procedures for tire cord production affected sources?](/cfr/40/63.5997.md)
- [§63.5998. What are my monitoring installation, operation, and maintenance requirements?](/cfr/40/63.5998.md)
- [§63.5999. How do I demonstrate initial compliance with the emission limits for tire cord production affected sources?](/cfr/40/63.5999.md)
- [§63.6000. How do I conduct tests and procedures for puncture sealant application affected sources?](/cfr/40/63.6000.md)
- [§63.6001. What are my monitoring installation, operation, and maintenance requirements?](/cfr/40/63.6001.md)
- [§63.6002. How do I demonstrate initial compliance with the emission limits for puncture sealant application affected sources?](/cfr/40/63.6002.md)
- [§63.6003. How do I monitor and collect data to demonstrate continuous compliance with the emission limits for tire production affected sources?](/cfr/40/63.6003.md)
- [§63.6004. How do I demonstrate continuous compliance with the emission limits for tire production affected sources?](/cfr/40/63.6004.md)
- [§63.6005. How do I monitor and collect data to demonstrate continuous compliance with the emission limits for tire cord production affected sources?](/cfr/40/63.6005.md)
- [§63.6006. How do I demonstrate continuous compliance with the emission limits for tire cord production affected sources?](/cfr/40/63.6006.md)
- [§63.6007. How do I monitor and collect data to demonstrate continuous compliance with the emission limitations for puncture sealant application affected sources?](/cfr/40/63.6007.md)
- [§63.6008. How do I demonstrate continuous compliance with the emission limitations for puncture sealant application affected sources?](/cfr/40/63.6008.md)
- [§63.6009. What notifications must I submit and when?](/cfr/40/63.6009.md)
- [§63.6010. What reports must I submit and when?](/cfr/40/63.6010.md)
- [§63.6011. What records must I keep?](/cfr/40/63.6011.md)
- [§63.6012. In what form and how long must I keep my records?](/cfr/40/63.6012.md)
- [§63.6013. What parts of the General Provisions apply to me?](/cfr/40/63.6013.md)
- [§63.6014. Who implements and enforces this subpart?](/cfr/40/63.6014.md)
- [§63.6015. What definitions apply to this subpart?](/cfr/40/63.6015.md)