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Appl Environ Microbiol. 1966 March; 14(2): 229-231
Copyright © 1966 American Society for Microbiology. All Rights Reserved.

Microorganisms of the Upper Atmosphere

I. Instrumentation for Isokinetic Air Sampling at Altitude

Biosciences Branch, U.S. Air Force School of Aerospace Medicine, Brooks Air Force Base, Texas

ABSTRACT

An aircraft-mounted air-sampling system for the collection of microorganisms from the upper air is described. The system is highly suitable for use in upper air sampling from an aircraft because (i) it is an isokinetic system, (ii) it is simple to operate, (iii) it employs a dry filter, (iv) the volume sampled can be easily determined, and (v) it operates efficiently at all altitudes and ambient temperatures.

¹ Present address: Plans and Programming Branch, Support Services Division, U.S. Air Force School of Aerospace Medicine, Brooks Air Force Base, Tex.

² Present address: Biological Sciences Directorate, Office of Deputy for Research and Development, Headquarters Aerospace Medical Division, Brooks Air Force Base, Tex.