Portable Halon extinguishers used on MODU's may use __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — HALON 1211 only
Title 46 CFR 108.491 specifies that portable halon fire extinguishers approved for use on mobile offshore drilling units may utilize Halon 1211 only. While Halon 1301 is utilized in fixed total-flooding systems due to lower toxicity, Halon 1211 is a streaming agent formulated specifically for localized handheld applications.
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