WINONA, Minn. — 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 ...

WINONA, Minn. (AP) — A Winona environmental group is recommending that air monitors be installed around the city to measure the effect that the processing and shipping of sand used in fracking has on ...

For years, scientists have measured levels of airborne silica sand inside mines and enclosed operations, but there’s no formal standardized level or method for measuring frac sand in ambient air. So ...

Jennifer Noelani Ahia on Wednesday morning in 2nd Circuit Court identifies a video she shot of heavy equipment moving “sand and earth” at a Maui Lani site. Next to Ahia is plaintiffs’ attorney Lance ...

Roxar will supply its newly launched AD3000 subsea sand monitors and pig detectors to the deepwater Akpo field, offshore Nigeria. Roxar was awarded the contract by the Cameron division of Cooper ...