Published January 27, 2013, 12:00 AM

Indoor air quality


Asbestos-covered piping, including this section with torn insulation, runs above a line of washers in the basement of a Duluth apartment complex. Any cracks or tears in asbestos can release harmful fibers into homes and businesses and should be repaired immediately. (News Tribune file photo)
Read the article: Indoor air quality: Protect your home from what you can't see