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Slide 55
    TEXT VERSION OF SLIDE:

    Type: Picture Slide
    Content: Includes two photos of respirators and filters.

    Speaker Notes: When concentrations of airborne silica are equal to or less than ten times the Permissible Exposure Limit, an air-purifying particulate filter respirator may be used. It should be remembered that all tight-fitting respirators must be fit-tested either qualitatively or quantitatively, in accordance with the respiratory protection standard.