NIOSHTIC-2 Publications Search
HHE Determination Report No. HHE-78-028-480, Persolite Products, Inc., Florence, 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 78-028-480, 1978 Apr; :1-7
An investigation to evaluate possible hazardous exposure to perlite has been made. Perlite is a generic term for naturally occurring siliceous volcanic rock used in insulation. During its processing free silica (7631869), arsenic (7440382), beryllium (7440417) and lead (7439921) may be present. At the time of this evaluation, all breathing zone air samples of these agents were below the laboratory limit of detection.
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; Air-sampling; Air-quality-measurement; Insulation-materials; Air-contamination; Heavy-metals; Industrial-hygiene; Insulation-industry; Occupational-health; HHE-78-028-480; Region-8; Hazard-Unconfirmed
7631-86-9; 7440-38-2; 7440-41-7; 7439-92-1
Field Studies; Health Hazard Evaluation
NTIS Accession No.
National Institute for Occupational Safety and Health
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division