StacksVerified U.S. regulatory reference

40 CFR Part 63, Table 3

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Vessel capacity (cubic meters)Vapor pressure 1 (kilopascals)
38 ≤ capacity <151≥13.1
151 ≤ capacity≥0.7

1 Maximum true vapor pressure of total organic HAP at operating temperature as defined in subpart G of this part.

[89 FR 43234, May 16, 2024]