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Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR Table 3 to Subpart VVVVVV of Part 63: Table 3 to Subpart VVVVVV of Part 63—Emission Limits and Compliance Requirements for Continuous Process Vents

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER C—AIR PROGRAMS
  4. PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
  5. Subpart VVVVVV—National Emission Standards for Hazardous Air Pollutants for Chemical Manufacturing Area Sources

[As required in § 63.11496, you must comply with the requirements for continuous process vents as shown in the following table]

For . . . You must . . . Except . . .

1. Each continuous process vent with a TRE ≤1.0 a. Reduce emissions of total organic HAP by ≥95 percent by weight (≥85 percent by weight for periods of startup or shutdown) or to ≤20 ppmv by routing emissions through a closed vent system to any combination of control devices (except a flare) in accordance with the requirements of § 63.982(c) and the requirements referenced therein; or i. Compliance may be based on either total organic HAP or TOC; and ii. As specified in § 63.11496(g).

b. Reduce emissions of total organic HAP by routing all emissions through a closed-vent system to a flare (except that a flare may not be used to control halogenated vent streams) in accordance with the requirements of § 63.982(b) and the requirements referenced therein, or i. Not applicable.

c. Comply with the alternative standard specified in § 63.2505 and the requirements referenced therein i. As specified in § 63.11496(e).

2. Halogenated vent stream that is controlled through combustion a. Comply with the requirements for halogen scrubbers in § 63.11496(d).

3. Each continuous process vent with a TRE >1.0 but ≤4.0 a. Comply with the requirements of § 63.982(e) and the requirements specified therein if a recovery device, as defined in § 63.11502, is used to maintain a TRE >1.0 but ≤4.0.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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