First Winona air monitor results in; frac sand levels not final yet

A look at the first set of data from one of Winona’s air monitors shows that city residents have little to worry about when it comes to breathing in fine particles — though the study will require more data and there’s no word yet on the impact of frac sand in the air.

Read more in Winona Daily News.

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.

Read more in the Winona Daily News.

Minnesota Will Investigate Whether Frac Sand Particles Are Blowing Off Trucks In Winona

Minnesota officials plan to study a busy roadway in Winona to see if harmful dust is blowing off of trucks hauling frac sand to and from Wisconsin.

Read more at Wisconsin Public Radio.

Firm agrees to in-depth study on frac sand in Winona County

A Minnesota frac sand company has volunteered to conduct a full environmental review of its controversial mining project proposed near Winona - a step that reflects pressure from state regulators and could set a precedent in the fast-growing industry.

Read more in the Minneapolis Star Tribune.

In a first, Minnesota asks Winona County to assess risks of frac sand

In a critical test of Minnesota's approach to frac sand mining, two state agencies have called on Winona county to order an in-depth study of environmental and health risks associated with a cluster of proposed mines and processing sites.

Read more in Minneapolis Star Tribune.