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NIOSH Testimony on mine shift atmospheric conditions; respirable dust sample by L. Rosenstock, July 6, 1994.

Authors
NIOSH
Source
NIOSH 1994 Jul; :1-10
Link
NIOSHTIC No.
00235025
Abstract
The purpose of the hearing was to receive relevant comments and data on a joint MSHA and NIOSH notice concerning the accurate measurement of the average concentration of respirable dust to which each miner in the active workings of a coal mine is exposed to over a single shift. The notice, published in the Federal Register on February 18, 1994, announced a new finding that a single shift sample will, after applying valid statistical techniques to such measurement, accurately represent such atmospheric conditions during such shift. This notice also announce the intent to rescind the 1971 finding. Comments received thus far centered on two issues. First, comments received reflect some confusion over the MSHA and NIOSH decision to rescind the 1971 notice of finding. MSHA and NIOSH have concluded that the statistical analysis and the 1971 finding itself were not germane to the Congressional intent. The analysis did not address the accuracy of a single full shift measurement in representing atmospheric conditions during the shift on which it was taken. The second issue concerns the accuracy of single full shift measurements.
Keywords
NIOSH-Author; NIOSH-Testimony; Rosenstock-L; Dust-exposure; Respiratory-system-disorders; Lung-irritants; Coal-mining; Lung-disease; Occupational-exposure; Air-quality; Air-sampling
Publication Date
19940706
Document Type
Testimony
Fiscal Year
1994
NTIS Accession No.
PB97-147094
NTIS Price
A02
NIOSH Division
OD
Priority Area
Respiratory-system-disorders
Source Name
NIOSH
State
DC
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