Occupational Exposure Limit Evaluation : Silica , Crystaline Quartz 2 December 2014 Contact :

Although crystalline silica has been recognized as a health hazard for many years, it is still encountered in many work environments. Numerous studies have revealed an association between exposure to respirable crystalline silica and the development of silicosis and other lung diseases including lung cancer. Alberta Jobs, Skills, Training and Labour… CONTINUE READING