Montréal, November 30, 2011 – The Institut de recherche Robert-Sauvé en santé et en sécurité du travail(IRSST) has just published a new and detailed study of pollutant concentrations in various Quebec industries. For this study, the research was based on four-digit industrial classes found in the Classification des activités économiques du Québec (CAEQ, “Classification of economic activities in Quebec”) … Continue reading
MSHA published a final rule on dust control for surface highwall drills on April 19, 1994. The rule is designed to protect miners, working on and around surface highwall drills, from exposure to harmful amounts of dust containing crystalline silica. Breathing excessive amounts of crystalline silica during rock drilling, can cause a serious fatal respiratory … Continue reading