What is the function of a toxic vapor return line during chemical loading?
Direct Answer
Option A: Return displaced toxic/flammable tank vapors to shore treatment plant
The toxic vapor return line, a safety feature for hazardous cargoes, directs displaced vapors from the tank back to shore facilities for treatment, as per ISGOTT and MARPOL Annex II requirements, preventing atmospheric release.
All Options
Detailed Explanation & Context
The toxic vapor return line, a safety feature for hazardous cargoes, directs displaced vapors from the tank back to shore facilities for treatment, as per ISGOTT and MARPOL Annex II requirements, preventing atmospheric release.
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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