Public Health Response To Disasters Practice Test

What is a key consideration when chlorinating water after a disaster?

Use appropriate dosage and contact time. Overchlorinate indiscriminately. Chlorination replaces the need for distribution safety. Chlorination is optional.

Correct Answer:

Use appropriate dosage and contact time.

Explanation:

Chlorinating water after disasters hinges on delivering the right amount of chlorine and letting it work for a sufficient period. The disinfection effect depends on the chlorine concentration and the contact time the water has with it, so using an appropriate dosage and ensuring adequate exposure time is essential to inactivate pathogens. If the dosage is too low or contact time too short, pathogens may survive; if you push too much chlorine, you can create taste and odor issues and disinfection byproducts. Chlorination is a crucial step, but it does not replace safe distribution practices, and it’s not something you skip.

Access more questions from this quiz

Continue to Public Health Response to Disasters Practice Test for more practice questions and the full quiz experience.

Access More Questions