ANSI

The village of Tansghart in the Ansi area, on the side of a valley where the road from Marrakech rises up into the High Atlas, was the worst hit of several visited by Reuters journalists on Saturday.

The village of Tansghart in the Ansi area, on the side of a valley where the road from Marrakech rises up into the High Atlas, was the worst hit of any Reuters saw.

Companies aren’t required to make products that meet NSF/ANSI standards, but because “there is no federally regulated requirement,” certification can help to “ensure that the product isn’t a counterfeit or it’s actually effective,” said Kyle Postmus, senior manager of the Global Water Division at NSF.

NSF/ANSI Standard 42 is for aesthetics, such as taste, smell and appearance.

“We are not aware of credible evidence that would discourage the use of plastic pipe or other products that are certified to NSF/ANSI/CAN 61 in drinking water systems,” NSF said in a statement to Scientific American.