---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchC/part63/subpartRRRR"
level: "subpart"
label: "Subpart RRRR"
heading: "National Emission Standards for Hazardous Air Pollutants: Surface Coating of Metal Furniture"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchC-part63-subpartRRRR"
sections_count: 31
---

# Subpart RRRR — National Emission Standards for Hazardous Air Pollutants: Surface Coating of Metal Furniture

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

- [§63.4880. What is the purpose of this subpart?](/cfr/40/63.4880.md)
- [§63.4881. Am I subject to this subpart?](/cfr/40/63.4881.md)
- [§63.4882. What parts of my plant does this subpart cover?](/cfr/40/63.4882.md)
- [§63.4883. When do I have to comply with this subpart?](/cfr/40/63.4883.md)
- [§63.4890. What emission limits must I meet?](/cfr/40/63.4890.md)
- [§63.4891. What are my options for demonstrating compliance with the emission limits?](/cfr/40/63.4891.md)
- [§63.4892. What operating limits must I meet?](/cfr/40/63.4892.md)
- [§63.4893. What work practice standards must I meet?](/cfr/40/63.4893.md)
- [§63.4900. What are my general requirements for complying with this subpart?](/cfr/40/63.4900.md)
- [§63.4901. What parts of the General Provisions apply to me?](/cfr/40/63.4901.md)
- [§63.4910. What notifications must I submit?](/cfr/40/63.4910.md)
- [§63.4920. What reports must I submit?](/cfr/40/63.4920.md)
- [§63.4921. What are my electronic reporting requirements?](/cfr/40/63.4921.md)
- [§63.4930. What records must I keep?](/cfr/40/63.4930.md)
- [§63.4931. In what form and for how long must I keep my records?](/cfr/40/63.4931.md)
- [§63.4940. By what date must I conduct the initial compliance demonstration?](/cfr/40/63.4940.md)
- [§63.4941. How do I demonstrate initial compliance with the emission limitations?](/cfr/40/63.4941.md)
- [§63.4942. How do I demonstrate continuous compliance with the emission limitations?](/cfr/40/63.4942.md)
- [§63.4950. By what date must I conduct the initial compliance demonstration?](/cfr/40/63.4950.md)
- [§63.4951. How do I demonstrate initial compliance with the emission limitations?](/cfr/40/63.4951.md)
- [§63.4952. How do I demonstrate continuous compliance with the emission limitations?](/cfr/40/63.4952.md)
- [§63.4960. By what date must I conduct initial performance tests and other initial compliance demonstrations?](/cfr/40/63.4960.md)
- [§63.4961. How do I demonstrate initial compliance?](/cfr/40/63.4961.md)
- [§63.4962. How do I conduct periodic performance tests and demonstrate continuous compliance with the emission limitations?](/cfr/40/63.4962.md)
- [§63.4963. What are the general requirements for performance tests?](/cfr/40/63.4963.md)
- [§63.4964. How do I determine the emission capture system efficiency?](/cfr/40/63.4964.md)
- [§63.4965. How do I determine the add-on control device emission destruction or removal efficiency?](/cfr/40/63.4965.md)
- [§63.4966. How do I establish the emission capture system and add-on control device operating limits during performance tests?](/cfr/40/63.4966.md)
- [§63.4967. What are the requirements for continuous parameter monitoring system installation, operation, and maintenance?](/cfr/40/63.4967.md)
- [§63.4980. Who implements and enforces this subpart?](/cfr/40/63.4980.md)
- [§63.4981. What definitions apply to this subpart?](/cfr/40/63.4981.md)