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  • Concrete Grinder - CDC

    Nov 9, 2016 ... Construction workers who perform concrete grinding may breathe dust that contains respirable crystalline silica (RCS).A NIOSH [1] study found...

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  • Silica exposure in hand grinding steel castings. - NCBI

    Am Ind Hyg Assoc J. 1992 Jan;53(1):42-8. Silica exposure in hand grinding steel castings. O'Brien D(1), Froehlich PA, Gressel MG, Hall RM, Clark NJ, Bost P,...

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  • Dry Cutting and Grinding is Risky Business - State of New Jersey

    cutting and grinding can get deep into the lungs. Most concrete and masonry products contain large amounts of sand. When you inhale the dust, silica particles...

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  • The Dangers of Silica Dust and Concrete Grinding and Polishing ...

    Construction worker grinding concrete. A construction worker grinding the surface of concrete dry, and generating dangerous silica-bearing dust into the air.

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  • Respirable Crystalline Silica Dust Exposure During Concrete ...

    Studies reporting the findings of exposure to crystalline silica dust during ... All subjects surveyed were males conducting surface grinding with a 4.5 inch angle...

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  • Silica—Cutting and grinding concrete - Infrastructure Health & Safety ...

    that's created when you cut or grind concrete, brick, or stone? That cloud contains very tiny particles of silica. Your lungs have a tough time removing these.

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  • Controlling Silica Exposures in Construction - OSHA

    silica when they cut, grind, crush, or drill construc- tion materials such as concrete, masonry, tile and rock. The small particles easily become suspended.

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  • Grinding Beads - OPS Diagnostics

    OPS Diagnostics' grinding beads are made of either zirconium silicate or silica (soda lime) and can be purchased in a variety of sizes and grades, as well as in...

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  • Controlling Silica Exposures in Construction While Operating Hand ...

    silica dust when using hand-operated grinders: • Vacuum dust collection systems;. • Wet grinding; and. • Adjustments in work methods. Vacuum Dust Collection...

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  • Frequently Asked Questions - Silica Safe

    For example, blasting, cutting, chipping, drilling and grinding materials that contain silica can result in silica dust that is hazardous for construction workers and...

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