Federal OSHA- Personal Protective Equipment
Level ___ PPE is the most protective and Level ___ PPE is the least protective. A, D Level A PPE 1. Hazardous substance identified and requires highest protection for skin, eyes, respiratory system 2. Substances with a high degree of hazard to skin are known/suspected to be present 3. Operations must be conducted in confined, poorly ventilated areas and the absense of conditions requiring this level PPE hasnt been determined. Level B PPE 1. Type and atmospheric concentration of substances identified and require high level respiratory protection, but less skin protection 2. Atmosphere contains less than 19.5 percent oxygen 3. Presence of incompletely identified vapors/gases indicated, but they're not suspected to be absorbed through skin. -severe Inhalation hazards but not severe skin hazards Level C PPE 1. Atmospheric contaminants, liquid splashed or other direct contact not be absorbed through exposed skin 2. Air contaminants identified and air-purifying respirator is available that can remove contaminants 3. All criteria for use of air-purifying respirators met. Level D PPE 1. Atmosphere contains no known hazard 2. Work functions preclude slashes, immersion or the potential for unexpected inhalation of of
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