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Category: Silica

Improving Occupational Safety and Health in the Construction and Mining Industries

With nearly 126 million full-time U.S. workers at risk of occupational illness and injury, it is critical to prioritize our research efforts to address the most important issues. One approach used by NIOSH and its partners to establish priorities is to consider the burden, need, and impact of potential research topics. This method allows us Read More >

Posted on by Scott Earnest, PhD, PE, CSP; Eileen P. Betit and Dana R. Willmer, PhD1 Comment

Occupational Health Issues in the USA

Happy New Year. As we start afresh in 2017 I wanted to share my recent editorial in the British journal, Occupational Medicine, “Occupational health issues in the USA”.  The article highlights some of the occupational safety and health issues identified as needing attention by the industry sector groups of the National Occupational Research Agenda (NORA).  Read More >

Posted on by John Howard, MD10 Comments

Silicosis Update

  Silicosis is a potentially fatal but preventable occupational lung disease caused by inhaling respirable particles containing crystalline silicon dioxide (silica). Quartz, a type of crystalline silica, is the second most abundant mineral in the earth’s crust and workers across a wide range of occupations and industries are exposed to silica-containing dusts. The risks, causes, Read More >

Posted on by Jacek Mazurek, MD, MS, PhD and David Weissman, MD 100 Comments

The Silica/Asphalt Milling Machine Partnership – All Good Things Need Not Come to an End

A recent ceremony at World of Asphalt 2015 celebrated the success of the Silica/Asphalt Milling Machine Partnership’s accomplishments to develop and validate engineering controls for silica dust in asphalt milling operations. The partnership between government, industry, labor was coordinated by the National Asphalt Pavement Association over the past decade to design, test, and implement engineering Read More >

Posted on by Duane Hammond, MS, PE3 Comments

Silica Hazards from Engineered Stone Countertops

A new engineered stone countertop product known as “quartz surfacing,” was created in the late 1980s by combining quartz aggregate with resins to create a product for use in home building and home improvement.  Manufacturing of this material, including products such as CaesarStone™, Silestone™, Zodiaq™, or Cambria™ is a fast growing industry.  First made in Read More >

Posted on by Karen Worthington, MS, RN, COHN-S; Margaret Filios, SM, RN; Mary Jo Reilly, MS; Robert Harrison, MD, MPH; and Kenneth D. Rosenman, MD 48 Comments

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, PhD12 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

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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