USCG Exam PracticePollution prevention and environmental awareness
According to 33 CFR §151.05, which of the following correctly distinguishes 'domestic wastes' from 'graywater'?
- ✓ Domestic wastes are all types of wastes generated in accommodation spaces not covered by other MARPOL annexes and do not include graywater, while graywater is drainage from dishwater, shower, laundry, bath, and washbasin drainsCorrect
- B. Domestic wastes include graywater, dishwater drainage, and drainage from toilets and urinals
- C. Graywater includes drainage from hospital spaces and cargo spaces, while domestic wastes do not
- D. Domestic wastes and graywater are interchangeable terms under MARPOL
Why A is correct
33 CFR §151.05 defines domestic wastes as all types of wastes not covered by other MARPOL annexes generated in accommodation spaces, and expressly states domestic wastes do not include graywater. Graywater is separately defined as drainage from dishwater, shower, laundry, bath, and washbasin drains, excluding drainage from toilets, urinals, hospitals, animal spaces, and cargo spaces.
Cited:33 CFR §151.05