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HHE determination report no. HHE-73-59-92, Colorado Brick Company Boulder, Colorado.
Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HHE 73-59-92, 1973 Jul; :1-8
Determination of respirable dust, free silica (7631869), lead (7439921), manganese (7439965), chromium (7440473), iron (7439896), and carbon-monoxide (630080) in 37 personal air samples taken at a brick manufacturing (SIC-3251) facility reveals that only respirable free silica exceeds the OSHA standard. Respirable samples taken at various working locations exceeded the federal standards, with the exception of the maintenance superintendent.
NIOSH-Publication; NIOSH-Author; HHE-73-59-92; Region-8; Hazard-Confirmed; Air-quality-measurement; Air-sampling; Metallic-dusts; Silica-dust; Dust-control; Breathing-zone; Inorganic-gases; Toxic-gases; Construction-materials; Environmental-contaminants; Author Keywords: brick; silica
7631-86-9; 7439-92-1; 7439-96-5; 7440-47-3; 7439-89-6; 630-08-0
Field Studies; Hazard Evaluation and Technical Assistance
NTIS Accession No.
National Institute for Occupational Safety and Health
Page last reviewed: November 20, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division