A 47-year-old male and father of five works as a high school English teacher. He recently read in the community newspaper that local sewage is treated and repurposed to the community as drinking water. His senior English class is concerned about the quality of drinking water in the city and they want to petition the state senate to pass a bill barring the practice. He comes to the local health department asking for information.
-Which gas is used as a mode of purification in the final phase of treatment?

Question

Quizplus · Accepted Answer

Chlorine gas is commonly used in the final phase of sewage treatment as a mode of purification to kill any remaining bacteria and viruses in the water before it is repurposed for drinking. However, it is important to note that the concentration of chlorine is carefully monitored to ensure it is safe for consumption.

A 47-Year-Old Male and Father of Five Works as a High