katlyn12345 katlyn12345
  • 05-04-2016
  • Physics
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what is the acceptable level for chlorine

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Janessa3745
Janessa3745 Janessa3745
  • 05-04-2016
The EPA requires treated tap water to have a detectable level of chlorine to help prevent contamination. The allowable chlorine in drinking water (up to 4 parts per million) pose “no known or expected health risk [including] an adequate margin of safety.”
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