lungs '''respirable''' dust sampled using cyclone dust sampler design sample specific fraction dust aed set flow rate respirable dust fraction dust enters 'deep lung' considered less micrometers aed nuisance inhalable respirable dust fractions sampled using constant volumetric pump specific sampling period knowing mass sample collected volume air sampled concentration fraction sampled given milligrams mg per metre cubed sup sup
Applied science Medicine and health Occupational hygiene