Steel slag is currently utilized both to treat wastewater, and as a concrete aggregate. New research now indicates that using it for the former makes it perform even better as the latter – so the same ...

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 ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. I am writing in response to a story published April 5 about the use of slag by Holcim's cement ...

Holcim, Inc. has agreed to limit the amount of slag it uses from Asarco's idled East Helena plant — and will not use any more slag from a Canadian smelter — after tests from the state showed "a slew" ...

Concerns are being raised about the health impact of a byproduct from the steel-making process being used on gravel roads in eastern Iowa. Muscatine County leaders have suspended the use of steel ...

Alternative construction system company Moladi has developed a means of incorporating mine slag into its Moladi mix, offering mining companies a viable method for recycling their waste material and ...

See Report No. 20-N-0030. The Alert is transmitted from the OIG Acting Inspector General to the EPA Region 8 Administrator. OIG states that while conducting work on an ongoing audit titled ...

The City of Tyler said Friday it will no longer use the material spread on roads during the January 19 winter storm, which apparently punctured vehicle tires. The City plans to work through Saturday ...