Cleanup crews attack toxic goo in South Platte north of Denver

Federal environmental officials have taken charge of a continuing toxic leak into Sand Creek and the South Platte River​ north of downtown Denver, trying to stop oily black goo from fouling northeastern Colorado's primary source of water.

Workers overnight dammed off a catchment area and banded it with absorbent material hoping slow the spread into the river. Later today, Environmental Protection Agency​ managers say, a trench will be dug in from the bank to catch the muck before it hits the water.

Meanwhile, the EPA has launched comprehensive water and soil sampling along Sand Creek and the South Platte. The first lab results from earlier tests are expected this afternoon, and EPA contractor said.

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