A group of leading scientists have said the current levels of PFAS could be damaging to human health.
Stricter limits are needed on levels of 'forever chemicals' in UK drinking water which are potentially harmful to human health, experts have warned.
They enters waterways when products such as non-stick frying pans and clothes, some of which are treated with the chemicals, break down. "Previous health guidelines showed that 100 nanograms per litre was protective of human health," she said. "But there has been more research going on over the years that has shown that perhaps effects to human health may occur at lower levels of exposure."
Traditional water treatment approaches cannot remove PFAS so water companies often blend different water sources together to dilute the concentration. Some are also trying out emerging technologies like high pressure membranes., the RSC estimates that a third of water courses - not final drinking water - in England and Wales have medium-risk levels of PFAS, and less than 5% qualify as high-risk.
"We need to put that higher on the agenda - are those environmental levels protective of wildlife in the environment?"
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