From 13 December 2012, the revised workplace exposure standard for softwood dust has been mandatory.  The revised standard is 2 mg/m3 (time weighted average for both eight-hour and 12 hour shifts). In July 2011, the Department of Labour updated the New Zealand Workplace Exposure Standards and Biological Exposure Indices.  The update corrects a number of errors … Continue reading Revised softwood dust WES in force