NDLI: The relationship between coal rank and the prevalence of pneumoconiosis.

Content Provider	PubMed Central
Author	Bennett, J. G. Dick, J. A. Kaplan, Y. S. Shand, P. A. Shennan, D. H. Thomas, D. J. Washington, J. S.
Abstract	As part of the Periodic X-ray Scheme of the National Coal Board (NCB), a comparison is made between the previous and new films of all miners who were face-workers on the former occasion, five years earlier. This assessment is made by distributing the films randomly to all the NCB readers. This paper compares the rank of coal mined in each colliery with each colliery's percentage prevalence of pneumoconiosis of at least ILO category 1 in the films of previous face-workers obtained during the third survey round (1969-73). Of the NCB's 291 collieries in Britain, information enabling a rank classification to be made was available for 250, employing 62 362 face-workers. In these 250 mines a progressive and five-fold increase in prevalence was observed from collieries mining low-rank (bituminous) coal to those mining coal of high ranks (anthracite and high-grade steam and coking coal). A possible reason for this is that, in the past, high-rank collieries may have had the highest mass-concentrations of respirable dust.
Starting Page	206
File Format	PDF
ISSN	00071072
Journal	British Journal of Industrial Medicine
Issue Number	3
Volume Number	36
Language	English
Publisher Date	1979-08-01
Access Restriction	Open
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health

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The relationship between coal rank and the prevalence of pneumoconiosis.