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These requirements cover nonrefillable (disposable) aerosol type metal container assemblies, charged with a commercial grade hydrocarbon fuel gas (primarily butane), constructed, charged, and marked in accordance with Code of Federal Regulations, Title 49, Specification 2P or 2Q.

Nonrefillable type metal container assemblies covered by these requirements are used with equipment for such purposes as, but not limited to, camping, cooking, heating, lighting, soldering, or brazing, and as covered in the following standards:

1. Storage and Handling of Liquefied Petroleum Gases, NFPA 58-1995.
2. Standard for Hand-Held Torches for Fuel Gases, UL 147.

These requirements do not cover DOT 39 specification cylinder assemblies covered by the requirements in the Standard for Nonrefillable (Disposable) Type Fuel Gas Cylinder Assemblies, UL 147A.

A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.