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Effect of the measuring strategy on the determination of the respirable dust concentration in the breathable air at underground workplaces.
Proceedings of the VIIth International Pneumoconioses Conference, August 23-26, 1988, Pittsburgh, Pennsylvania, USA. Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 90-108, 1990 Nov; (Part II):1148-1151
A summary was provided to demonstrate that the respective indicated absolute values of the respirable dust concentrations in the breathable air, as indicated in mg/m3, were not suitable for a comparison of the dust load of miners in different countries. The reason being that the rules for the determination of the values, that is the measuring strategies, were not included in the discussions. It was indicated that both the dust limits and the absolute respirable dust concentration figures cannot be referred to in a comparative representation of the dust conditions in different countries. The dust suppression measures applied in the different countries have to be observed under this aspect as well. The strategies used for measuring in the Federal Republic of Germany, Great Britain, and the USSR called for measures which reduce the dust concentration in the entire return air section. The authors point out that dust suppression in the United States may center on the intake air section up to the coal getting machine. The comparison study points out that a race appears to have started towards actually desirable but technically not feasible limits and that the statement on the pneumoconiosis risk of a mining region in relation to the dust impact is wrong if risk determinations are taken over from other measuring strategy scopes.
Miners; Air-quality-monitoring; Airborne-dusts; Mineral-dusts; Dust-inhalation; Workplace-studies; Coal-dust; Silica-dusts
DHHS (NIOSH) Publication No. 90-108
Proceedings of the VIIth International Pneumoconioses Conference, August 23-26, 1988, Pittsburgh, Pennsylvania, USA
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division