U.S. Code of Federal Regulations
Regulations most recently checked for updates: Jan 21, 2026
Vents must be designed and constructed to minimize clogging by either the contents of the tank or climatic conditions such as snow or ice.
Regulations most recently checked for updates: Jan 21, 2026
Vents must be designed and constructed to minimize clogging by either the contents of the tank or climatic conditions such as snow or ice.