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ID#:9783
Description:U.S. Public Health Service personnel observe the work process and sample the air of ordnance workers pouring TNT into mortar shells at the Ravenna, Ohio Ordnance Plant. The Ravenna Ordnance Plant manufactured ordnance containing trinitrotoluene (TNT) for the military during World War II. Duncan Holaday, USPHS industrial hygienist, conducts the air sampling with a midget impinger. The USPHS personnel wear Army uniform because they are on the turf of an Army-run facility. The photograph was made during the industrial hygiene and engineering activities conducted by U.S. Public Health Service personnel at the plant in September 1943. Occupational safety and health concerns included preventing dermatitis among the workers and reducing the risk of explosions in the plant. Original caption: “Loading shells with molten TNT. Samples of air are taken to determine the amount of TNT in the breathing zone.”
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 (5.71 MB)
Content Providers(s):CDC/ Barbara Jenkins, NIOSH
Creation Date:1943
Photo Credit:Frank H. Lucas and Harley E. Walkers
Links:United States Environmental Protection Agency (EPA)
CDC – Nat. Institute of Occupational Safety and Health (NIOSH) – About NIOSH
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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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