According to MARPOL, the definition of gray water includes drainage from __________.

Correct Answer: Option A — dishwashers

MARPOL Annex IV defines gray water as drainage from sinks, showers, laundries, and dishwashers. This is distinct from black water, which includes drainage from toilets, urinals, and medical facility scuppers. Proper segregation and management of these waste streams are required to comply with international maritime environmental protection standards.