Toxic air around local schools

Toxic air around local schools
http://www.cbs42.com/content/localnews/story/Toxic-air-around-local-schools/EdqC9_u8X0SnHbEHdhBaQw.cspx

"Residents say they simply want someone in authority to tell them how dangerous the situation is.  Connecting the dots seems to be a complicated, if not impossible task, when you're talking about environmental toxins and how it can effect your health."