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Preliminary results asbestos personal samples at Certain-Teed Corporation, St. Louis, Missouri.
NIOSH 1971 Nov; :1-2
Asbestos (1332214) personal samples were analyzed at the Certain Teed Corporation (SIC-3292) in St. Louis, Missouri, in July, 1969. Concentrations ranged from 0.1 fibers longer than 5 microns per cubic centimeter (microns/cc) in one sample from pipe forming to 7.0 fibers longer than 5 microns/cc in a warehouse sample. An accompanying letter notes that four measurements were in excess of the proposed Threshold Limit Value of 5 fibers longer than 5 microns/cc.
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NIOSH, Cincinnati, Ohio
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division