Cowl rinsing procedure for airborne fiber sampling
Applied Occupational and Environmental Hygiene
1990
5
9
619-622
air sampling ; fibre counts ; man-made fibres ; mathematical analysis ; methodology ; sampling instruments
Risk assessment and risk management
English
Bibliogr.
"The NIOSH Analytical Method 7400 for airborne fibers specifies the use of electrically conductive cowls for air sampling. Data collected from a number of laboratories indicate that a significant fraction of collected dust may be deposited on the inside of electrically conductive cowls during air sampling for man-made mineral fibers. The purpose of this article is to present a cowl rinsing procedure for airborne fiber sampling. This method is the consensus of an ad hoc group formed to evaluate existing cowl rinsing procedures. A number of issues related to cowl rinsing are also addressed."
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