Air check: Winona frac sand, diesel monitors to start recording this week
Winona now has a pair of monitors that will soon start recording levels of frac sand and diesel emissions in the air near the interstate bridge, one of the first tests of its kind in the state.
The Aggregate and Ready Mix Association of Minnesota is committed to making concrete the construction material of choice. This blog is a digest of news affecting aggregate and ready mix producers and their customers and suppliers.
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