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Effect of the Measuring Strategy on the Determination of the Respirable Dust Concentration in the Breathable Air at Underground Workplaces.

Authors
Prinz-B; Stolz-R
Source
NIOSH 1990 Nov:1148-1151
NIOSHTIC No.
00198589
Abstract
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.
Keywords
Miners; Air-quality-monitoring; Airborne-dusts; Mineral-dusts; Dust-inhalation; Workplace-studies; Coal-dust; Silica-dusts;
Publication Date
19901101
Document Type
Conference/Symposia Proceedings;
Fiscal Year
1991
NTIS Accession No.
NTIS Price
Identifying No.
(NIOSH) 90-108
Source Name
Proceedings of the VIIth International Pneumoconioses Conference
State
PA;
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