According to the Chemical Data Guide, what is a recommended extinguishing agent for an ethyl chloride fire?
Official USCG Answer & Rule Citation
Correct Answer: Option D — CO2
Carbon dioxide (CO2) smothers ethyl chloride fires by displacing ambient oxygen without reacting hazardously with the chemical cargo. Fixed and portable CO2 systems are vital components of tank vessel fire protection as mandated by 46 CFR.
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