Assessing the Occurrence of Microplastics in the Snake River
Over the past 40 years, world production of plastic resins increased 25-fold creating a global waste stream comprised of 60-80% plastics. Microplastics, plastic particles less than 5mm in size, are receiving increased attention as a potentially detrimental environmental contaminant. Primary sources of microplastic pollution include plastic pellets and powders produced by manufacturers for industrial sale that enter the waterway via spills, improper dumping or facility accidents and microbeads used as abrasives or exfoliant in commercial products. Secondary sources of microplastic pollution are ...
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