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Rainwater is no longer drinkable, not even in Antarctica

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The rain water Already it is not drinkable, anywhere in the world. Not even in Antarctica or the Tibetan Plateau, some of the most remote places on Earth, according to a Article by a research group from the University of Stockholm and the ETH Zurich, published in the Environmental Science & Technology magazine.

This that rainwater and snow, even at the ends of the Earth, contains perfluoroalkylated and polyfluoroalkylated substances (PFAS) of human origin spread through the atmosphere. Over the past 20 years, guideline values ​​for PFAS in drinking water, surface water, and soil have decreased dramatically due to new knowledge about their toxicity.

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However, the article cited above suggests that PFAs define a new limit planetarium for new entities that has been overcome. “According to the latest US guidelines on PFOA in drinking water, the rain water of all the world would be considered unsafe to drink. Although we don’t often drink rainwater in the industrial world, many people around the world expect it to be safe to drink and to supply many of our drinking water sources,” said Ian Cousins, lead author of the study and professor at the Department of Environmental Sciences of the University of Stockholm.

The Stockholm University team has carried out laboratory and field work on the presence and atmospheric transport of PFA over the last decade. They have found that the levels of some harmful PFAs in the atmosphere are not falling markedly, even though their main manufacturer, 3M, phased them out two decades ago.

In this sense, rainwater contains PFAS snow that is not acceptable for human consumption, since it can cause cancerinfertility, learning and behavior problems in children, pregnancy complications, increased cholesterol and immune system problems.

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Source: Lasexta

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