HELENA - The Holcim Inc. cement plant near Three Forks is drawing more criticism for its use of industrial waste, this time slag imported from a Canadian lead and zinc operation, then heated to obtain ...

The rock-like material formed during the process of electric arc furnace steelmaking is referred to as EAF slag. An ad hoc committee will assess human health risks associated with the unencapsulated ...

HELENA - The Holcim Inc. cement plant near Three Forks has agreed to restrict its use of slag from refineries in Montana and Canada while the state completes its analysis of the industrial waste and a ...

Steel slag, the grey, stone-like material that is left over after making steel, has been used in at least 216 different locations nationwide despite the potential danger to the public, according to an ...

MUSCATINE, Iowa (AP) — An eastern Iowa county has stopped using slag as the gravel on its roads, at least temporarily, because a state toxicologist reported that the steel manufacturing byproduct ...

MUSCATINE, Iowa-- Jean Forbes and her husband live on a county road, covered in slag. “My husband and I are always walking it and we kept seeing these big sharp pieces,” said Forbes. Slag is recycled ...

HELENA — The Holcim Inc. cement plant near Three Forks has agreed to restrict its use of slag from refineries in Montana and Canada while the state completes its analysis of the industrial waste and a ...