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Performance Evaluation of a Real-time Aerosol Monitor.

Authors
Williams-KL; Timko-RJ
Source
MISSING :20 pages
Link
NIOSHTIC No.
10003426
Abstract
The Bureau of Mines laboratory tested the response of a commercially available real-time aerosol monitor (gca ram-1) to various dusts. Monitor measurements were recorded, averaged, and compared with simultaneous gravimetric measurements of each test dust. Tests usually lasted several hours. The tets dusts of various particle size distributions used included coal, limestone, and a commercially available test dust. For each particular dust, the monitor response was linear and correlated well with mass concentration over the range of about 0.5 to 10 mg/m3. The monitor can estimate a 2.0- Mg/m3 respirable coal dust concentration within as little as +-6 pct with 95 pct confidence. The monitor must, however, be calibrated with the dust to be measured because the instrument response is affected by the type of dust particle. The average monitor response to a mass concentration of coal dust was approximately twice the average monitor response to the same mass concentration of limestone dust.
Publication Date
19840101
Document Type
IH; Information Circular;
Fiscal Year
1984
NTIS Accession No.
NTIS Price
Identifying No.
IC 8968
NIOSH Division
PRC;
Source Name
MISSING
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