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U.S. Code Regulations Constitution Journal Apps
  1. Regulations
    All Titles
  2. title 40
    Protection of Environment
  3. chapter I-i24
    CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
  4. part 141
    PART 141—NATIONAL PRIMARY DRINKING WATER REGULATIONS
  5. subpart T
    Subpart T—Enhanced Filtration and Disinfection—Systems Serving Fewer Than 10,000 People
  6. subjgrp 20
    Disinfection Benchmark

Subjgrp 20. Disinfection Benchmark

  • § 141.540 - Who has to develop a disinfection benchmark?
  • § 141.541 - What are significant changes to disinfection practice?
  • § 141.542 - What must my system do if we are considering a significant change to disinfection practices?
  • § 141.543 - How is the disinfection benchmark calculated?
  • § 141.544 - What if my system uses chloramines, ozone, or chlorine dioxide for primary disinfection?
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