40 CFR 141.542 - What must my system do if we are considering a significant change to disinfection practices?
If your system is considering a significant change to its disinfection practice, your system must calculate a disinfection benchmark(s) as described in §§ 141.543 and 141.544 and provide the benchmark(s) to your State. Your system may only make a significant disinfection practice change after consulting with the State for approval. Your system must submit the following information to the State as part of the consultation and approval process:
(b) The disinfection profile for Giardia lamblia (and, if necessary, viruses) and disinfection benchmark;
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.