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Published January 29, 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 in this 2007 file photo. Any cracks or tears in asbestos can release harmful fibers into homes and businesses and should be repaired immediately. (2007 file / News Tribune)


Read the article: Indoor air quality: Protect your home from what you can't see