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Pollution and the environmentQuestion 336 of 352

Which way of securing a Type I or Type II device uses the door of the toilet room?

  1. Cover the door with a sign
  2. Lock the door with a padlock or key lock
  3. Close the door and keep it shut
  4. Remove the toilet seat
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Correct answer: Lock the door with a padlock or key lock

A locked door that keeps people out of the toilets is an accepted way to secure the device.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 159: Marine Sanitation Devices, § 159.7 Requirements for vessel operators

All questionsPractice the topic "Pollution and the environment"

Questions last reviewed: 18 October 2026