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At present the workmen employed in the dusty trades form the largest group exposed to any one industrial hazard—a hazard with high morbidity and mortality rates from respiratory diseases as well as systemic poisoning in the case of toxic dusts. The composition, quantity and particle size are the properties producing definite damage. The present bulletin gives the methods and instruments now used for dust studies, the interpreting of results, and their practical applications, especially in regard to control. The volume is meant as a guide to engineers, chemists and others interested in minimizing dust hazards to health. Of the five instruments of choice, that developed largely by the Public Health Service (1922) known as the Greenburg-Smith impinger is recommended as the most adaptable for all around dust determinations, although each of the others has its special field. Probably the bulletin was already in press before a description of the "hot
The Determination and Control of Industrial Dust. JAMA. 1935;105(18):1458. doi:10.1001/jama.1935.02760440068031