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TECHNOLOGY, DISCOVERY & INNOVATION. UPDATED 6 MINUTES AGO.
You are here: Home / Health / WHO: Bottled Water Full of Plastic
WHO Says Bottled Water Is Chock Full of Tiny Plastic Particles
WHO Says Bottled Water Is Chock Full of Tiny Plastic Particles
By Graham Readfearn Like this on Facebook Tweet this Link thison Linkedin Link this on Google Plus
PUBLISHED:
MARCH
15
2018
The World Health Organization (WHO) has announced a review into the potential risks of plastic in drinking water after a new analysis of some of the world's most popular bottled water brands found that more than 90% contained tiny pieces of plastic. A previous study also found high levels of microplastics in tap water.

In the new study, analysis of 259 bottles from 19 locations in nine countries across 11 different brands found an average of 325 plastic particles for every liter of water being sold.

Concentrations were as high as 10,000 plastic pieces for every liter of water. Of the 259 bottles tested, only 17 were free of plastics, according to the study.

Scientists based at the State University of New York in Fredonia were commissioned by journalism project Orb Media to analyze the bottled water.

The scientists wrote they had "found roughly twice as many plastic particles within bottled water" compared with their previous study of tap water, reported by the Guardian.

According to the new study, the most common type of plastic fragment found was polypropylene -- the same type of plastic used to make bottle caps. The bottles analyzed were bought in the US, China, Brazil, India, Indonesia, Mexico, Lebanon, Kenya and Thailand.

Scientists used Nile red dye to fluoresce particles in the water -- the dye tends to stick to the surface of plastics but not most natural materials.

The study has not been published in a journal and has not been through scientific peer review. Dr. Andrew Mayes, a University of East Anglia scientist who developed the Nile red technique, told Orb Media he was "satisfied that it has been applied carefully and appropriately, in a way that I would have done it in my lab."

The brands Orb Media said it had tested were: Aqua (Danone), Aquafina (PepsiCo), Bisleri (Bisleri International), Dasani (Coca-Cola), Epura (PepsiCo), Evian (Danone), Gerolsteiner (Gerolsteiner Brunnen), Minalba (Grupo Edson Queiroz), Nestle´ Pure Life (Nestle´), San Pellegrino (Nestle´) and Wahaha (Hangzhou Wahaha Group).

A World Health Organization spokesman told the Guardian that although there was not yet any evidence on impacts on human health, it was aware it was an emerging area of concern. The spokesman said the WHO would "review the very scarce available evidence with the objective of identifying evidence gaps, and establishing a research agenda to inform a more thorough risk assessment."

A second unrelated analysis, also just released, was commissioned by campaign group Story of Stuff and examined 19 consumer bottled water brands in the US.It also found plastic microfibres were widespread.

The brand Boxed Water contained an average of 58.6 plastic fibers per liter. Ozarka and Ice Mountain, both owned by Nestle´, had concentrations at 15 and 11 pieces per liter, respectively. Fiji Water had 12 plastic fibers per liter.

Abigail Barrows, who carried out the research for Story of Stuff in her laboratory in Maine, said there were several possible routes for the plastics to be entering the bottles.

"Plastic microfibres are easily airborne. Clearly that's occurring not just outside but inside factories. It could come in from fans or the clothing being worn," she said.

Stiv Wilson, campaign coordinator at Story of Stuff, said finding plastic contamination in bottled water was problematic "because people are paying a premium for these products."

Jacqueline Savitz, of campaign group Oceana, said: "We know plastics are building up in marine animals and this means we too are being exposed, some of us every day. Between the microplastics in water, the toxic chemicals in plastics and the end-of-life exposure to marine animals, it's a triple whammy."

Nestle´ criticized the methodology of the Orb Media study, claiming in a statement to CBC that the technique using Nile red dye could "generate false positives."

Coca-Cola told the BBC it had strict filtration methods, but acknowledged the ubiquity of plastics in the environment meant plastic fibers "may be found at minute levels even in highly treated products."

A Gerolsteiner spokesperson said the company, too, could not rule out plastics getting into bottled water from airborne sources or from packing processes. The spokesperson said concentrations of plastics in water from their own analyzes were lower than those allowed in pharmaceutical products.

Danone claimed the Orb Media study used a methodology that was "unclear." The American Beverage Association said it "stood by the safety" of its bottled water, adding that the science around microplastics was only just emerging.

The Guardian contacted Nestle´ and Boxed Water for comment on the Story of Stuff study, but had not received a response at the time of publication.

© 2018 Guardian Web under contract with NewsEdge/Acquire Media. All rights reserved.

Image credit: WHO; iStock/Artist's concept.

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