Category: Chemicals

Help Wanted: Spray Polyurethane Foam Insulation Research

Help NIOSH with our research. We need you if you are in the spray foam business. Spray foam contains vapors with unknown health implications. Our researchers are taking air samples at worksites where spray foam is being installed. This research will help us develop interventions to help keep workers healthy. Read More >

Posted on by David A. Marlow, BS25 Comments

Hair, Formaldehyde, and Industrial Hygiene

A recent settlement requires the makers of Brazilian Blowout hair straightener to warn consumers and hair stylists about formaldehyde in their products. Read more from guest blogger, Dede Montgomery on how the Center for Research on Occupational and Environmental Toxicology at Oregon Health and Science University worked with their partners to raise awareness of this issue.  Read More >

Posted on by Dede Montgomery159 Comments

Erionite: An Emerging North American Hazard

Recent cases of lung disease suggest that erionite, a naturally-occurring fibrous mineral with health effects similar to asbestos, may pose a greater threat to workers than previously realized. Read more about erionite and how to prevent exposure in at-risk occupations such as road construction and maintenance work in areas where erionite-containing gravel or soil is present. Read More >

Posted on by David Weissman, MD, and Max Kiefer, MS, CIH41 Comments

The Continuing Persistence of Silicosis

Silica is the most abundant compound in the earth's crust. Inhalation of crystalline silica is the only cause of silicosis, a preventable but incurable type of lung fibrosis. Inhalation has also been associated with lung cancer, tuberculosis, COPD and other conditions.  Read More >

Posted on by David Weissman, MD, and Paul Schulte, PhD24 Comments

Pleuropulmonary disease in a polyacrylate facility

Recent reports from India implicate dusts created by grinding polyacrylate polymer as an emerging occupational respiratory hazard causing interstitial lung disease and pneumothorax.  Read More >

Posted on by Vladimir Murashov, PhD, Charles L Geraci, PhD, and David Weissman, MD4 Comments

Titanium Dioxide: A Changing Paradigm in Occupational Risk Management

A recently released NIOSH guidance document on handling titanium dioxide (TiO2) powders in the workplace is possibly the first to recommend separate occupational exposure limits for the same material based on particle size. This document reflects increasing attention to evaluating and mitigating risks of emerging hazards in the workplace before adverse health effects occur in workers. Read More >

Posted on by Vladimir Murashov, PhD12 Comments