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Comparison of Respirable Dust Concentrations Measured With Mre and Modified Personal Gravimetric Sampling Equipment.

Authors
Tomb-TF; Treaftis-HN; Mundell-RL; Parobeck-PS
Source
NTIS: PB 222 561 :29 pages
Link
NIOSHTIC No.
10000050
Abstract
Past experience has shown that the penetration characteristics of the 10-mm nylon cyclone used on approved personal sampling equipment are significantly different from those determined in the laboratory using a nonpulsating flow source. The Bureau of Mines has developed and recommended a modification to presently approved equipment that will alleviate this difference. However, as a result of this modification, a new relationship for converting respirable dust concentrations measured with approved personal sampling equipment to equivalent concentrations as measured with an mre instrument will have to be established. This Bureau of Mines report describes the underground sampling program conducted to establish a new factor for converting respirable dust concentrations measured with personal sampling equipment, modified with a recommended pulsation damping device, to an equivalent concentration as measured with an mre gravimetric dust sampler.
Publication Date
19730101
Document Type
IH; Report of Investigations
Fiscal Year
1973
NTIS Accession No.
PB-222561
NTIS Price
A03
Identifying No.
RI-7772
NIOSH Division
PRC;
Source Name
NTIS: PB 222 561
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