StacksVerified U.S. regulatory reference

40 CFR Part 82, Appendix I

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
End UseSubstituteDecisionLimitationsComments
Halon 1211 Streaming AgentsHCFC Blend EAcceptableNonresidential uses onlyAs with other streaming agents, EPA recommends that potential risks of combustion byproducts be labeled on the extinguisher (see UL 2129).See additional comments 1, 2.

Additional Comments:

1. Discharge testing and training should be strictly limited only to that which is essential to meet safety or performance requirements.

2. The agent should be recovered from the fire protection system in conjunction with testing or servicing, and recycled for later use or destroyed.

[65 FR 24392, Apr. 26, 2000, as amended at 67 FR 4202, Jan. 29, 2002]