OSHA - Construction Cans
1926.152(f)(1) Closed Containers
Category 1, 2, or 3 flammable liquids shall be kept in closed containers when not actually in use.
1926.152(g)(1) Closed Containers
Flammable liquids shall be stored in approved closed containers, in tanks located underground, or in aboveground portable tanks.
Please consult your local authority having jurisdiction with your questions and for guidance in conforming to laws as they apply to your application. This is only meant for a reference and does not imply a warranty.