Most comprehensive study to date finds plastic in sediment collected from bay and tributaries and digestive tracts of fish: www.theguardian.com/environment/2019/oct/04/san-francisco-microplastics-study-bay
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Most comprehensive study to date finds plastic in sediment collected from bay and tributaries and digestive tracts of fish: www.theguardian.com/environment/2019/oct/04/san-francisco-microplastics-study-bay