"We found antibiotics, we found antidepressants, chemotherapy drugs, heart medications and also oxycodone," biologist Jennifer Lanksbury, who led the Washington Department of Fish and Wildlife study, told K5 News.
https://www.npr.org/sections/thetwo-way/2018/05/25/614593382/traces-of-opioids-found-in-seattle-area-mussels?utm_campaign=storyshare&utm_source=facebook.com&utm_medium=social