Regulations last checked for updates: Oct 17, 2024

Title 40 - Protection of Environment last revised: Oct 15, 2024
Appendix - Table 3 to Subpart PPP of Part 63—Group 1 Storage Vessels at Existing and New Affected Sources
Vessel capacity
(cubic meters)
Vapor Pressure a
(kilopascals)
75 ≤capacity <151≥13.1
capacity ≥151≥5.2

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.