DENVER
05/16/2013 04:17 pm ET Updated Jul 16, 2013

Suncor Oil Refinery Spill: Cancer-Causing Benzene Levels Still High In South Platte River After

AP

After 18 months of cleanup around Suncor's oil refinery, contamination of the South Platte River is diminishing, but concentrations of cancer-causing benzene in the water remain six times higher than the national safety standard.

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