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! 42 Personal Protective Equipment (PPE) <br /> LEVEL "A" PROTECTION <br /> Equipment Protection Should be used when Limiting Criteria <br /> Provided <br /> - Pressure-demand, full The highest - The chemical substance - Fully-encapsulatmg <br /> facepiece SCBA or available level of has been identified and suit material must be <br /> pressure-demand respiratory, skin, requires the highest level compatible with the <br /> supplied-air respirator and eye of protection for skin, substances involved <br /> with escape SCBA protection eyes, and the respiratory <br /> system based on either <br /> measured (or potential <br /> - Fully-encapsulating, for) high concentration <br /> chemical-resistant suit of atmospheric vapors, <br /> gases, or particulates <br /> Or <br /> - hmer chemical- Site operations and work <br /> resistant gloves functions involving a <br /> high potential for splash, <br /> immersion, or exposure <br /> . OPTIONAL to unexpected vapors, <br /> gases, or particulates of <br /> Cooling Unit materials that are <br /> harmful to skin or <br /> - Coveralls capable of being <br /> absorbed through the <br /> - Long cotton intact skin <br /> underwear <br /> -Substances with a <br /> - Hard hat high degree of hazard to <br /> the skin are known or <br /> - Disposable gloves and suspected to be present, <br /> boot covers and skin contact is <br /> possible <br /> -Operations must be <br /> conducted in confined, <br /> poorly ventilated areas <br /> until the absence of <br /> conditions requiring <br /> Level A protection is <br /> determined <br /> -Completely <br /> unknown conditions <br /> exist in the work zone. <br /> 13 <br />