June 13, 2008--Chemicals resurface in sewer system (Summit Daily News)
A toxic chemical commonly used to kill pine beetles has shown up again in wastewater treated at the Silverthorne/Dillon Joint Sewer Authority, officials reported this week. Last summer, routine testing at the treatment facility revealed the presence of carbaryl — an insecticide also known as Sevin — in effluence draining into the Blue River. Because of concerns about the chemical’s possible impact on the river’s delicate ecosystem, the sewer authority started a stringent monitoring schedule for this year’s pine-beetle spraying season.
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