40 CFR Part 63, Table 4 — Emission Limits and Compliance Requirements for Metal HAP Process Vents
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
As required in § 63.11496(f), you must comply with the requirements for metal HAP process vents as shown in the following table.
| For * * * | You must * * * | Except * * * |
|---|---|---|
| Each CMPU with total metal HAP emissions ≥400 lb/yr | Reduce collective uncontrolled emissions of total metal HAP emissions by ≥95 percent by weight by routing emissions from a sufficient number of the metal HAP process vents through a closed vent system to any combination of control devices, according to the requirements of § 63.11496(f)(3), (4), or (5) | Not applicable. |
[91 FR 16534, Apr. 1, 2026]