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 a(kilopascals)
75 ≤capacity <151≥13.1
151 ≤capacity≥5.2

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