Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
Appendix - Table 4 to Subpart U of Part 63—Group 1 Storage Vessels at New Sources
Vessel capacity
(cubic meters)
Vapor Pressure a
(kilopascals)
38 ≤capacity <151≥13.1
151 ≤capacity≥0.7

a Maximum true vapor pressure of total organic HAP at storage temperature.

authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.