A ubiquitous tire rubber–derived chemical induces acute mortality in coho salmon

Author:

Tian Zhenyu12ORCID,Zhao Haoqi3ORCID,Peter Katherine T.12ORCID,Gonzalez Melissa12,Wetzel Jill4ORCID,Wu Christopher12,Hu Ximin3ORCID,Prat Jasmine4ORCID,Mudrock Emma4,Hettinger Rachel12ORCID,Cortina Allan E.12,Biswas Rajshree Ghosh5ORCID,Kock Flávio Vinicius Crizóstomo5ORCID,Soong Ronald5,Jenne Amy5ORCID,Du Bowen6ORCID,Hou Fan3ORCID,He Huan3ORCID,Lundeen Rachel12ORCID,Gilbreath Alicia7ORCID,Sutton Rebecca7ORCID,Scholz Nathaniel L.8ORCID,Davis Jay W.9ORCID,Dodd Michael C.3ORCID,Simpson Andre5ORCID,McIntyre Jenifer K.4ORCID,Kolodziej Edward P.123ORCID

Affiliation:

1. Center for Urban Waters, Tacoma, WA 98421, USA.

2. Interdisciplinary Arts and Sciences, University of Washington Tacoma, Tacoma, WA 98421, USA.

3. Department of Civil and Environmental Engineering, University of Washington, Seattle, WA 98195, USA.

4. School of the Environment, Washington State University, Puyallup, WA 98371, USA.

5. Department of Chemistry, University of Toronto, Scarborough Campus, 1265 Military Trail, Toronto, ON M1C 1A4, Canada.

6. Southern California Coastal Water Research Project, Costa Mesa, CA 92626, USA.

7. San Francisco Estuary Institute, 4911 Central Avenue, Richmond, CA 94804, USA.

8. Environmental and Fisheries Sciences Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Seattle, WA 98112, USA.

9. U.S. Fish and Wildlife Service, Washington Fish and Wildlife Office, Lacey, WA 98503, USA.

Abstract

Tire tread particles turn streams toxic For coho salmon in the U.S. Pacific Northwest, returning to spawn in urban and suburban streams can be deadly. Regular acute mortality events are tied, in particular, to stormwater runoff, but the identity of the causative toxicant(s) has not been known. Starting from leachate from new and aged tire tread wear particles, Tian et al. followed toxic fractions through chromatography steps, eventually isolating a single molecule that could induce acute toxicity at threshold concentrations of ∼1 microgram per liter. The compound, called 6PPD-quinone, is an oxidation product of an additive intended to prevent damage to tire rubber from ozone. Measurements from road runoff and immediate receiving waters show concentrations of 6PPD-quinone high enough to account for the acute toxicity events. Science , this issue p. 185

Funder

National Science Foundation

U.S. Environmental Protection Agency

Natural Sciences and Engineering Research Council of Canada

Washington State Governors Funds

São Paulo Research Foundation

Regional Monitoring Program for Water Quality in SF Bay

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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