What improper operation can lead to exposure to harmful microorganisms?

Question

Quizplus · Accepted Answer

A) Incorrect. Improper valve operation can lead to scalding or burns from exposure to hot process cooling water.
B) Incorrect. Improper operation of the chlorine system can lead to severe injury or death from chlorine exposure.
C) Incorrect. Formation of ice-fog when operating in cold climates can lead to injury due very slippery conditions.
D) Correct. Improper /incorrect treatment of cooling water chemically can lead to exposure to harmful microorganisms.

What Improper Operation Can Lead to Exposure to Harmful Microorganisms