If a cargo tank has not been certified as gas free,
Direct Answer
Option D: breathing apparatus should always be used
Entering a space not certified gas-free presents immediate danger from toxic or oxygen-deficient atmospheres. ISGOTT emphasizes that self-contained breathing apparatus (SCBA) is mandatory for any entry into such spaces, even for short durations, until a gas-free certificate is issued by a competent person. This ensures protection against unseen hazards.
All Options
Detailed Explanation & Context
Entering a space not certified gas-free presents immediate danger from toxic or oxygen-deficient atmospheres. ISGOTT emphasizes that self-contained breathing apparatus (SCBA) is mandatory for any entry into such spaces, even for short durations, until a gas-free certificate is issued by a competent person. This ensures protection against unseen hazards.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).
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