Social Security employees attribute symptoms to mold, ductwork

Social Security employees attribute symptoms to mold, ductwork
http://www.rapidcityjournal.com/news/article_3a84a93a-b233-11df-8e8a-001cc4c03286.html

"Social Security employees attribute symptoms to mold, ductwork.  An air quality study of the building at 605 Main St., conducted after second-floor employees there expressed health concerns, found evidence of mold in the basement and frayed fiberglass insulation in the air ducts."