Comment by robocat

FYI, poisonous chemicals are allowed in your drinking water.

The current federal limits include:

  Cyanide: 0.2 mg/L

  Uranium: 30 µg/L

  Gross alpha particles: 15 picocuries per liter (pCi/L).  Beta particles and photon emitters: 4 millirem/year dose equivalent

Dosis sola facit venenum https://wikipedia.org/wiki/The_dose_makes_the_poison