Examine whether contaminants in your water supply met two standards: the legal limits established by the Safe Drinking Water Act ... picocuries per liter, ppm: parts per million, mrem/yr ...

Utah has passed the first law in the U.S. banning fluoride from its drinking ... community water, adjusting existing levels in the supply to the therapeutic 1.0 parts-per-million (ppm).

Scientists in China are reporting development of a less expensive, more eco-friendly method for making deuterium-depleted drinking ... water, widely known as H2O, actually is a mixture of H2O and tiny ...