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Monitoring of Particulates in Recirculated Air.

Authors
Chansky-SH
Source
NIOSH 1978 Apr:89-104
Link
NIOSHTIC No.
00195950
Abstract
Various categories of particulate monitoring instruments were identified along with criteria for successfully monitoring particulates in recirculated exhaust air. Seven general categories of particulate monitoring instruments were listed and included: light scattering instruments such as particle counters, nephelometers, or photometers; opacity monitors; optical tape samplers; electrical methods including electric charge transfer, mobility analyzer, and ionization gauge; condensation nuclei counters; piezoelectric mass monitors such as collection by electrostatic precipitation and collection by impaction; and beta attenuation mass monitors including collection by impaction and collection by filtration. Each category was evaluated against selected criteria as part of a selection process for identifying the optimum instrumentation. The categories were further examined in terms of their advantages and limitations. Two classifications, the nephelometer and beta attenuation, were discussed in depth. Committee member comments on the content of this paper were also reported.
Keywords
NIOSH-Contract; Contract-210-77-0056; Air-monitoring; Industrial-ventilation; Exhaust-systems; Particle-counters; Monitoring-systems; Workplace-monitoring; Analytical-instruments; Work-environment;
Publication Date
19780401
Document Type
Conference/Symposia Proceedings;
Funding Type
Contract;
Fiscal Year
1978
NTIS Accession No.
NTIS Price
Identifying No.
(NIOSH) 78-141
Source Name
The Recirculation of Industrial Exhaust Air. Proceedings of a Symposium, Cincinnati, Ohio, October 6-7, 1977, NIOSH, U.S. Department of Health, Education, and Welfare, Cincinnati, Ohio, DHEW (NIOSH) Publication No. 78-141
State
OH;
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