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savetheleveetrail

April 16, 2024 NEWSLETTER

Updated: Apr 17


Recent Events

  • On Tuesday, April 9, 2024 the Board of County Commissioners sent the levee paving project to bid. The deadline to receive bids is May 7th.

  • At the meeting on the 9th, Commissioner Ozias stated the levee is needed for emergency services access, but did not see the need for the levee to be paved. We support the use of the levee by emergency services and for evacuation.  It’s the paving we oppose. (See 6PPD info on page 2)

  • The Trails Advisory Committee (TAC) passed a motion telling the Commissioners the proposed trail is unsafe for trail users, and users were not considered in its design.


Call to Action

6PPD-Quinone


What is 6PPD-quinone?


“6PPD-quinone is one of the five or six most toxic compounds to aquatic organisms ever identified. So, its impacts go far beyond just salmon” - Ed Kolodziej, the engineering professor at the University of Washington who led the team to first describe its effects.


Where does it come from?

Vehicle tires contain the chemical known as 6PPD to prevent tires from breaking down due to reactions with ozone and other elements in the air. When 6PPD reacts with these elements, it forms 6PPD-quinone[1].  As tires wear they leave behind tiny particles that stay on the road until stormwater washes them away into rivers and streams.


What is the impact?

  • 6PPD-quinone is the primary toxin responsible for decades of stormwater-linked coho salmon death.[2]

  • 6PPD-quinone in stormwater was found to be lethal for coho salmon following exposures lasting only a few hours[3]

  • Significant mortality occurred in coho even when roadway runoff was diluted by 95% in clean water. [4]



Dungeness Levee Trail Advocates: www.SaveTheLeveeTrail.org





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