Friday, November 23, 2007
Saginaw River dioxin find spreads fear
Discovery of high levels of toxin have residents worried that outdoor activities put them at risk.
Francis X. Donnelly / The Detroit News
It's one of the most toxic chemicals ever evaluated by the EPA or any agency," said Milton Clark, senior health adviser in EPA's regional office in Chicago. "It has very high cancer potency."
Still, widespread water sampling in recent years has found spots that far exceed even federal standards.
Before last week, the heaviest dose of dioxin found in the Saginaw River was 32,000 parts per trillion. The heaviest in the Tittabawassee was 87,000 parts per trillion.
The amount discovered last week near Wickes Park in the Saginaw River was 1.6 million parts per trillion.