StacksVerified U.S. regulatory reference

40 CFR Part 63, Table 4

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

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