Cowl Rinsing Procedure for Airborne Fiber Sampling

Patrick N. Breysse The Johns Hopkins University, School of Hygiene and Public Health, 615 North Wolfe Street, Baltimore, Maryland, 21205, USA

Carol Rice University of Cincinnati, Cincinnati, Ohio, USA

Patrick Aubourg Owens Corning Fiberglas, Granville, Ohio, USA

Mark J. Komoroski The Johns Hopkins University, School of Hygiene and Public Health, 615 North Wolfe Street, Baltimore, Maryland, 21205, USA

Marie Kalinowski Owens Corning Fiberglas, Granville, Ohio, USA

Rick Versen Manville Corporation, Denver, Colorado, USA

Janise Woodson Certain Teed Corporation, Valley Forge, Pennsylvania, USA

Robert Carlton Certain Teed Corporation, Valley Forge, Pennsylvania, USA

Peter S. J. Lees The Johns Hopkins University, School of Hygiene and Public Health, 615 North Wolfe Street, Baltimore, Maryland, 21205, USA

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Abstract

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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Cowl Rinsing Procedure for Airborne Fiber Sampling

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Cowl Rinsing Procedure for Airborne Fiber Sampling

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