SYMPOSIA PAPER Published: 01 January 1986

Development of an Artificial Dust Spot Technique for Use with Ashrae 52–76


Dust spots comparable to those obtained using the natural atmospheric aerosol have been obtained using an atomized and dried aqueous solution of carbon black. Tests which have been performed during the past two and a half years have indicated the technique is applicable for the standard range of dust spots (20% to 95%).

Author Information

Raber, Robert, R.
Farr Co., El Segundo, CA
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Developed by Committee: F21
Pages: 229–237
DOI: 10.1520/STP42092S
ISBN-EB: 978-0-8031-6046-0
ISBN-13: 978-0-8031-6200-6