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Code of Federal Regulations (Last Updated: July 5, 2024)

Title 40 - Protection of Environment

Chapter I - Environmental Protection Agency

SubChapter D - Water Programs

Part 141 - National Primary Drinking Water Regulations

Subpart T - Enhanced Filtration and Disinfection - Systems Serving Fewer Than 10,000 People

Disinfection Profile

§ 141.535 - What if my system uses chloramines, ozone, or chlorine dioxide for primary disinfection?

Latest version.

§ 141.535 What if my system uses chloramines, ozone, or chlorine dioxide for primary disinfection?

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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