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Category: Respiratory Health

Contractors Wanted: Help NIOSH Advance Research to Protect Workers from Silica

Are you a contractor whose company has at least three years of field experience cutting fiber cement siding with a circular saw? Has your company installed fiber cement siding on at least three large residential jobs? Do you have an upcoming job where fiber cement siding will be cut and installed for at least eight Read More >

Posted on by Chaolong Qi, PhD13 Comments

Lung Cancer Screening in the Occupational Setting – An Update

  Last year we posted two blogs on the use of computerized tomography (CT) scans of the chest for lung cancer screening — Helical CT Scans and Lung Cancer Screening1  and Low-dose CT Scans and Lung Cancer Screening in the Occupational Setting.2   Since the postings, various organizations have provided guidance with differing implications for early detection Read More >

Posted on by Simone Tramma, MD, MS; Eileen Storey, MD, MPH; David Weissman, MD 2 Comments

Wildland Fire Fighting Safety and Health

Wildland fires continue to increase in the Western United States as hot, dry and windy conditions persist, resulting in an extended fire season and factors conducive to fires. Currently, drought conditions are prevalent in the West due to low snow-pack levels, below average rainfall, record setting temperatures and high winds, resulting in a greater than Read More >

Posted on by Corey Campbell and Liz Dalsey 27 Comments

Worker Exposure to Crystalline Silica During Hydraulic Fracturing

Hydraulic fracturing or “fracking”  is the process of injecting large volumes of water, sand, and chemicals into the ground at high pressure to break up shale formation allowing more efficient recovery of oil and gas.  This form of well stimulation has been used since the late 1940s, but has increased substantially over the last 10 Read More >

Posted on by Eric Esswein, MSPH; Max Kiefer, MS; John Snawder, PhD; and Michael Breitenstein, BS 27 Comments

Respiratory Protection for Workers Handling Engineered Nanoparticles

Are current NIOSH-approved respirators protective against engineered nanoparticles? Find out and read about current research and recommendations for the use and selection of respirators against engineered nanoparticles on the NIOSH Science Blog.  Read More >

Posted on by Ziqing Zhuang, PhD, and Dennis Viscusi30 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

Map: Occurrences of Erionite

From Sheppard R. Occurrences of erionite in sedimentary rocks of the western United States. Denver, CO: US Department of the Interior, US Geological Survey; 1996. Open File Report 96–018. Read More >

Posted on by Administrator

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
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