Test procedure for coal-mine-dust-personal-sampler unit pulsation dampener
Technical Report
·
OSTI ID:7241428
The pulsation dampener in a coal mine dust personal sampler pump is tested against the performance of a non-pulsating pump for collection efficiency. The concentration of coal dust sampled by pulsating pumps with dampeners must be within plus or minus 5% with a 95% confidence of that sampled by a non-pulsating pump. Concentrations are determined by gravimetric analysis for ten samples and compared using regression analysis. (GRA)
- Research Organization:
- National Inst. for Occupational Safety and Health, Morgantown, W.Va. (USA). Testing and Certification Lab.
- OSTI ID:
- 7241428
- Report Number(s):
- PB-247425; NIOSH/TC/A-002
- Country of Publication:
- United States
- Language:
- English
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