OSHA sets 2017, 2018 compliance deadlines in final silica exposure rule

摘要

As indicated in initial proposals to revise and harmonize respirable silica dust thresholds for general industry and construction worksites, Occupational Safety and Health Administration maintains limits-25 and 50 micrograms per cubic meter of air, averaged over an eight-hour shift-for action levels and offering workers medical surveillance, respectively, in its final Occupational Exposure to Respirable Crystalline Silica rule, issued late last month.