Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

NIOSHTIC-2 Publications Search

Search Results

Respirable Dust and Free Silica Variation in Mine Environments.

Authors
Hall-TA; Corn-M; Zeger-S; Law-CC
Source
NIOSH 1990 Nov:1152-1159
NIOSHTIC No.
00198590
Abstract
An investigation was conducted to gain insight into the extent of free silica (7631869) variation in respirable mine dust samples collected from a sample of United States coal and noncoal mines. A second goal was to determine the factors associated with this variation. A total of 374 personal and area samples were collected in the participating mines during 55 sampling days. Occupation and mine, sampler position, laboratory analysis and repeated sampling time contributions to sample variance were estimated based on the paired sample results and published values for variance associated with laboratory analysis and air sampling techniques. The largest contributions to variance arose from sampling across mines and occupations, which accounted for 46% of the variability associated with respirable mine dust samples. The second important contributor to variance was the temporal variability of dust levels in mines, accounting for approximately 33% of total variability. The authors conclude that the largest contribution to variability results from sampling across mines.
Keywords
Miners; Air-quality-monitoring; Airborne-dusts; Mineral-dusts; Dust-inhalation; Workplace-studies; Coal-dust; Silica-dusts;
CAS No.
7631-86-9;
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;
TOP