Bone Conduction: Pushing Protection to the Limit By: Ted Argo, Principal Scientist and NHCA Expert Did you know there is a limit to how much noise hearing protection devices (HPDs) can block? Sound reaches our ears both by air conduction (AC), where noise enters the ear canal, vibrates the ear drum and travels through the…
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By: Dante Moore, Contributor As we navigate through the complexities of modern industrial landscapes, the concept of connected workers is reshaping the paradigm of safety, efficiency and productivity. The key to a successful 2025 rests on the widespread adoption of connected safety equipment that both emphasizes gas detection and goes beyond it. This article delves…
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By: Tim Turney, Contributor Over the past year, air sampling has continued to be a useful tool for occupational hygienists and health and safety managers alike in managing the level of harmful airborne pollutants in the workplace. Still, exposure to airborne hazards in the workplace, such as gases, chemical vapors and dusts, can cause chronic…
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By: Ryan D. Hill, CIH, CSP NV5, Contributor Occupational noise-induced hearing loss (NIHL) remains a significant public health concern, affecting millions of workers globally. Prolonged exposure to high noise levels in the workplace not only endangers hearing but can also impair cognitive performance, increase stress and reduce overall productivity. Other than hearing loss, noise exposure…
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By: Frank Wartinger, Audiologist and NHCA Expert Picture this: You just brought home a tub of your favorite ice cream and noticed the suggested serving size listed as “one teaspoon.” The only reasonable response is a brisk eye roll, followed by serving yourself a normal-sized bowl of ice cream. For decades, the term “rock concert”…
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By: Tim Turney, Contributor Dust can be a deadly byproduct of working with materials that contain silica. Materials such as sand, soil, concrete, granite and quartz contain silica that can be released into the air when crushed, drilled, sanded or otherwise disturbed. When the dust particles are small enough to be inhaled deep into the…
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By: Divine Duruobioma, MSc, CMIOSH, Contributor Dust and fumes in the workplace may pose significant health and safety risks. For instance, welding fumes containing metals like aluminum and lead can cause acute symptoms, such as nausea and/or long-term health problems (i.e., lung cancer). Dust hazards vary by particle size; smaller particles, like respirable crystalline silica,…
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By: Dan Coconate, Contributor Keeping machinery intact is a crucial task for businesses that own and operate welding equipment. Here are a few benefits these tools bring and why you should regularly maintain them. As a welder or business owner, you need to recognize the importance of keeping your welding equipment in good working condition.…
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Editor’s Note: This article first appeared on the NIOSH Science Blog, by authors Aris Copeland, Meghan Kiederer, Joseph Schall and Megan Casey. For the original article, visit: https://blogs.cdc.gov/niosh-science-blog/2024/02/14/vday-respirator-2024/ Finding the right fit is one of the most important parts of a relationship. You don’t just grab any old fish from the sea that swims by…
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By: Gen Handley, Contributor Winter conditions change how we work. If not, they should—or, at the very least, impact how managers and workers prepare for and adjust to the changing temperatures and weather. This impact is felt everywhere in the workplace: from the employees’ mental and physical health to the equipment, machinery and any tools…
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Council for Accreditation in Occupational Hearing Conservation (CAOHC)
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