Question

question 32
what should you do to prevent the discharge of untreated waste from a type i or type ii marine sanitation device (msd)?
a let the toilets water supply line discharge into the waterway as you get close to shore
b disconnect the toilet from the holding tank and let it discharge into the waterway.
c secure the y valve so that it cannot be opened.
d keep the y valve in the open position.

Explanation:

Securing the Y - valve prevents accidental or unauthorized discharge of untreated waste from Type I or Type II marine sanitation devices into waterways. Options A and B involve illegal and environmentally - harmful discharges, and option D would allow waste to potentially be discharged.

Answer:

C. Secure the Y - valve so that it cannot be opened.