| name | class-2-1-flammable-gas |
| description | Use when handling Class 2.1 flammable gas (propane, hydrogen, acetylene). Cylinder requirements, transport vessel types, safety practices.
|
Class 2 1 Flammable Gas
Gases that ignite in air: propane/LPG (UN1075), acetylene (UN1001), hydrogen (UN1049), methane.
Cylinders
- DOT-spec cylinders (DOT-3A, DOT-3AA, DOT-39)
- Requalification every 5-10 years
- Markings: spec, test date, owner
- Valve protection during transport
Bulk
- MC-331 cargo tanks for LPG
- Tube trailers for hydrogen, helium
Safety
- No smoking within 25 feet
- Bonding/grounding during transfer
- Emergency shutoff valves
Common violations
Expired cylinder requalification. Missing valve protection.
Where this fits in X3 Compass
Applied in the X3 Compass Hazmat Center add-on.