MUSCATINE, Ia. — Dust from waste material used to cover Muscatine County's gravel roads could be hurting the health of rural area children, a new report says. Dust from the slag, a byproduct from ...

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 ...

Dust from waste material used to cover gravel roads in Iowa could be hurting the health of children and adults who are exposed, according to a report from a state toxicologist. Toddlers and ...

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 ...