Sterling IAQ published an article in the October 2014 edition of the HPAC Magazine - page 28. We were trying to educate the heating, plumbing and air conditioning industry on asbestos issues. HPAC Magazine - October 2014 edition
ASBESTOS! The word itself may make us think of debilitating diseases such as asbestosis, lung cancer and mesothelioma. This doesn’t seem right that a naturally occurring mineral can do such harm. Well, it does... and it doesn’t.
Even though vermiculite by itself is harmless,the deposit in Libby, Montana, just across the border from British Columbia, was naturally contaminated with tremolite... an extremely carcinogenic form of asbestos. The Libby mine was once the most important source of vermiculite in the world. But the mine has been closed since 1990. The site has been [...]