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Percentage of particles of different sizes removed from dust-laden air by breathing

Journal Article · · J. Ind. Hyg. Toxicol.; (United States)
OSTI ID:5992260
;
Three volunteers were exposed to two types of quartzite mine dusts for 10 min acclimatization and 20 min with measurements. Concentration and particle size of inhaled and exhaled dusts were compared. Average breathing was 17 liters/min and 19 breaths/min. Percent retention increased from 21% at < 0.2 ..mu..m to 92.6% at 5 ..mu..m. Larger particles were deposited in upper airways.
OSTI ID:
5992260
Journal Information:
J. Ind. Hyg. Toxicol.; (United States), Journal Name: J. Ind. Hyg. Toxicol.; (United States) Vol. 22; ISSN JIHTA
Country of Publication:
United States
Language:
English

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Related Subjects

551000 -- Physiological Systems
560306* -- Chemicals Metabolism &amp; Toxicology-- Man-- (-1987)
59 BASIC BIOLOGICAL SCIENCES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
CLEARANCE
DUSTS
EXCRETION
HAZARDS
HEALTH HAZARDS
INHALATION
INTAKE
LUNG CLEARANCE
MAMMALS
MAN
PARTICLE SIZE
PARTICLES
PRIMATES
RESPIRATION
RESPIRATORY SYSTEM
SIZE
VERTEBRATES