Appendix P to Subpart G of Part 82 - Substitutes Listed in the September 27, 2006 Final Rule, Effective November 27, 2006  


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  • Appendix P to Subpart G of Part 82 - Substitutes Listed in the September 27, 2006 Final Rule, Effective November 27, 2006

    Fire Suppression and Explosion Protection Sector - Total Flooding Agents - Acceptable Subject to Narrowed Use Limits

    End-use Substitute Decision Conditions Further information
    Total flooding Gelled Halocarbon/Dry Chemical Suspension with any agent other than ammonium polyphosphate or sodium bicarbonate additive (Envirogel with sodium bicarbonate additive) Acceptable subject to narrowed use limits For use only in normally unoccupied areas Use of this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems, for whichever hydrofluorocarbon gas is employed.
    Envirogel is listed as a streaming substitute under the generic name Gelled Halocarbon/Dry Chemical Suspension. Envirogel was also previously listed as a total flooding substitute under the same generic name.
    EPA has found Envirogel with the ammonium polyphosphate additive and Envirogel with the sodium bicarbonate additive to be acceptable as total flooding agents in both occupied and unoccupied areas.
    See additional comments 1, 2, 3, 4, 5

    [71 FR 56367, Sept. 27, 2006]