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Over 800 trillion microbeads enter US wastewater daily(@MelissaBreyer)
TreeHugger"We're facing a plastic crisis and don't even know it," says author of new report.
In our continued pursuit to scrub the daylights out of everything, we've created quite a mess. From abrasive cleaners to face wash and toothpaste, plastic sand-sized microbeads are added to hundreds of products for a good gritty texture. Given that these products are meant to be rinsed down the drain, the impact on water habitats is substantial.
How substantial? A new analysis that used extremely conservative methodology, put the number at 8 trillion microbeads per day going straight into aquatic habitats in the United States – with another 800 trillion remaining in sewage plant sludge which is often distributed to land … where many of the microbeads find their way into streams and oceans. To get a grasp of how much a trillion is, a trillion seconds adds up to 31,709.8 years.
"We're facing a plastic crisis and don't even know it," said Stephanie Green from Oregon State University, and co-author of the study.
"Contaminants like these microbeads are not something our wastewater treatment plants were built to handle, and the overall amount of contamination is huge. The microbeads are very durable," says Green.
"Microbeads are just one of many types of microplastic found in aquatic habitats and in the gut content of wildlife," says lead author Chelsea Rochman from the University of California at Davis.
"We've demonstrated in previous studies that microplastic of the same type, size and shape as many microbeads can transfer contaminants to animals and cause toxic effects," Rochman says. "We argue that the scientific evidence regarding microplastic supports legislation calling for a removal of plastic microbeads from personal care products."
Although microbeads are just one piece of the larger plastic pollution problem, they are one of the easier ones to control.
"The probability of risk from microbead pollution is high, while the solution to this problem is simple," the study concluded.
A number of places have already banned the use of microbeads in personal care products. Until they are prohibited across the board, check banthemicrobead.org for which products do and don't contain them.