Which one of the following discharges have the most long-term ecological impact due to pollution?
Direct Answer
Option A: Water ballast in oil fuel tanks.
Ballast water in oil fuel tanks becomes heavily contaminated with oil residues, which are persistent and hazardous if discharged. Unlike clean ballast, this mixture has significant long-term ecological consequences due to its toxicity and environmental persistence.
All Options
Detailed Explanation & Context
Ballast water in oil fuel tanks becomes heavily contaminated with oil residues, which are persistent and hazardous if discharged. Unlike clean ballast, this mixture has significant long-term ecological consequences due to its toxicity and environmental persistence.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Oil Tanker Cargo Operations (TASCO).
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