A permit is required to store, handle or use compressed gases in quantities exceeding those set forth as follows:
Type of Gas | Quantity (SCF) |
---|---|
Corrosive (e.g. ammonia) | 400 |
Flammable (e.g. acetylene, propane) | 400 |
Highly toxic | Any Quantity |
Nonflammable and nonoxidizing, except carbon dioxide | 3,000 |
Carbon dioxide | 4,500 |
Oxidizing | 504 |
Pyrophoric | Any Quantity |
Toxic | Any Quantity |
Unstable (reactive) | Any Quantity |
Water reactive | Any Quantity |
For assistance with applying for and receiving Permits and Letters of Approval on FDNY Business, contact the FDNY Customer Service Center by dialing 311, or via email at FDNY.BusinessSupport@FDNY.nyc.gov.