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How to improve the accuracy of coal mine dust sampling.

Authors
Kissell-FN; Ruggieri-SK; Jankowski-RA
Source
Am Ind Hyg Assoc J 1986 Oct; 47(10):602-606
NIOSHTIC No.
10005918
Abstract
The development of control technology for reducing respirable dust in coal mines has been hindered by the difficulties involved in making accurate dust measurements. Recent Bureau of Mines research has provided new insights into the cuases of measurement error, and how to minimize them. Improving the accuracy of coal mine dust sampling involves five basic steps: (1) use of modern equipment, such as flow-regulated pumps or instantaneous monitors, (2) avoiding, if possible, sampling locations with a sharp concentration gradient, (3) ensuring that the airstream being sampled is representative of the source, (4) alternating the baseline and control technology as frequently as possible to minimize dust level changes due to shifts in material cut or productivity, and (5) pinpointing sources to ensure that the dust being measured relates to the control being tested.
Keywords
Respirable-dust; Measurement-equipment; Coal-dust; Coal-miners; Coal-mining; Sampling; Sampling-equipment; Sampling-methods; Air-flow; Air-quality-measurement; Air-sampling; Gravimetric-analysis; Gravimetry; Exposure-levels; Control-technology; Air-monitoring
CODEN
AIHAAP
Publication Date
19861001
Document Type
Journal Article; OP
Fiscal Year
1987
NTIS Accession No.
NTIS Price
Identifying No.
OP-35-88
Issue of Publication
10
ISSN
0002-8894
NIOSH Division
PRC
Source Name
American Industrial Hygiene Association Journal
State
PA; MA
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