By Lew K. Cohn
Managing Editor
The Highlander
A former Marble Falls mine safety engineer has warned members of a group fighting a proposed rock crushing plant of the dangers of “fugitive dusts” that will escape the facility if an air quality permit is approved by the Texas Commission on Environmental Quality, stating the plant should have been required to perform “air dispersion modeling” due to the proximity of Baylor Scott & White Marble Falls hospital.