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HHE determination report no. HHE-72-88-68, N. L. Industries, Inc. Titanium Pigment Division St. Louis, Missouri.
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 72-88-68, 1973 Sep; :1-12
Environmental survey and medical evaluation of workers in a plant producing titanium dioxide pigment from ilmenite ore, involving various ore dressing techniques, including digestion, bleaching, washing, calcining, and milling. Monoisopropanolamine or MIPA and triethanolamine or TEA had been found to cause dermatitis in use prior to the inspection; titanium dioxide dust levels are found to be below standard limits. No pulmonary or noncutaneous health problems are identified. Noise levels are found to exceed standard limits. Recommendations are made for use of protective clothing if use of MIPA or TEA is reintroduced, complete implementation of a hearing conservation program, preventive maintenance program for filters, use of vacuum equipment for precluding airborne dust, and use of respirators for inert dusts and nuisance dusts.
Mineral-dusts; Respirable-dusts; Ore-beneficiation; Safety-measures; Personal-protective-devices; Skin-disorders; Respiratory-protection; Noise-control; Air-quality-measurement; Author Keywords: Monoisopropanolamine; MIPA; irritant contact dermititis; respiratory tarct irritation; eye irritation
78-96-6; 102-71-6; 1309-63-3
Field Studies; Health Hazard Evaluation
NTIS Accession No.
National Institute for Occupational Safety and Health
Page last reviewed: May 5, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division