1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter D - WATER PROGRAMS
  5. Part 141 - NATIONAL PRIMARY DRINKING WATER REGULATIONS
  6. Subpart T - Enhanced Filtration and Disinfection—Systems Serving Fewer Than 10,000 People
  7. Topic - Disinfection Profile
  8. 40 CFR § 141.535
40 CFR § 141.535
What if my system uses chloramines, ozone, or chlorine dioxide for primary disinfection?
June 9, 2020
CFR

If your system uses chloramines, ozone, or chlorine dioxide for primary disinfection, you must also calculate the logs of inactivation for viruses and develop an additional disinfection profile for viruses using methods approved by the State.

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§ 141.534 How does my system use this data to calculate an inactivation ratio?

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