Green Plumbing

Category - Water-Efficient Technology

Each of the following is a suitable treatment product for producing potable water from on-site wastewater systems, except:
  1. Chorine disinfection
  2. Ozonation
  3. Ultraviolet disinfection
  4. A and C above
Explanation
Answer: A - Chlorine disinfection does not suffice as a suitable treatment product for creating potable water from on-site wastewater systems. However, it can treat water to be suitable for some nonpotable purposes. Both ozonation and ultraviolet (UV) disinfection can be used in many cases to produce potable water from an on-site wastewater treatment system.
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