One of the cleansing processes in the treatment of safe water is called disinfection. Disinfection is the selective destruction of pathogenic organisms, not to be confused with sterilization. Sterilization is the complete destruction of all organisms. In the United States, the Environmental Protection Agency is responsible for setting drinking water standards and ensuring their enforcement. The Safe Drinking Water Act and its amendments contain specific maximum allowable levels of substances known to be hazardous to human health
Discuss the disinfection processes. Describe selection criteria. Discuss chlorination. Describe ultraviolet systems. Describe ozone systems
"I: Disinfection Processes and Selection Criteria
III: Ultraviolet Systems
IV: Ozone Systems"
You will not be required to pass the knowledge check questions to move on to the next lesson. These will not be counted as a grade, but each question gives you insight into what you should have learned and the sorts of things you'll need to remember moving forward.
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