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ID#:9485
Description:From 1950, this historical photograph was provided by the Center for Disease Control's (CDC), National Institute for Occupational Safety and Health (NIOSH). Reprinted from the January, 1951, ”Industrial Hygiene Newsletter”, it depicted the exterior case of a vapor-monitoring device. The device was a Midget Impinger pump. A stopwatch sat to the left, atop the apparatus case. Impingers are tubes, usually made from glass or fluoropolymer material, and are designed to collect airborne hazards by bubbling collected gas samples through a liquid medium, which is then analyzed for the presence of deposited contaminants.
The NIOSH Historic Photo Collection began as the “picture file” of the Industrial Hygiene Division of the U.S. Public Health Service (USPHS), c. 1930-1960. It is a unique collection of mid-20th Century images of American workers and workplaces and documents occupational safety and health research of that era. The collection consists of approximately 1,000 original photographs and schematic drawings.
High Resolution: Click here for hi-resolution image (4.31 MB)
Content Providers(s):CDC/ Barbara Jenkins, NIOSH
Creation Date:1950
Photo Credit:Unknown
Links:United States Environmental Protection Agency (EPA)
CDC – Nat. Institute of Occupational Safety and Health (NIOSH) – About NIOSH
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CDC Organization
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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