Approximately 170 creosote-saturated piling will be removed from Vashon and Maury islands starting Monday, the Washington State Department of Natural Resources announced in a statement Friday morning.
The two-week cleanup project will cost an estimated $161,555. The DNR contracted the Quigg Brothers, an Aberdeen company, for the project.
Creosote, used for more than a century, is a combination of more than 300 chemicals used to prevent decay.
“These chemicals are harmful to marine life that depend on a healthy Puget Sound for their habitat,” Megan Duffy, Deputy Supervisor of Aquatics and Geology for DNR, said in a prepared statement. “Though creosote was once widely used, we are now seeing the harmful effects these chemicals can have on our waterways and are working to eliminate that harm.”
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Last year, DNR removed 1,769 creosote-treated piles and 1,235 tons of creosote debris from Puget Sound.