Due to the hazards involved with Halon extinguishers on a MODU, the size II extinguisher may only be used __________.

Correct Answer: Option A — outside

Due to severe toxicity and asphyxiation hazards associated with clean agent dispersal in confined spaces, USCG rules restrict the use of size II Halon extinguishers to open-air, outside environments where dangerous thermal decomposition products readily dissipate.