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s <br /> LEVEL "D" PROTECTION <br /> Equipment Protection Provided Should be used when Limitin Criteria <br /> RECOMMENDED - No respiratory - The atmosphere - This level should not <br /> protection contains no known be worn in the <br /> - Coveralls hazard Exclusion Zone <br /> - Minimal skin <br /> - Safety boots/shoes protection - Work functions - The atmosphere <br /> preclude splashes, must contain at least <br /> - Safety glasses or immersion, or the 19 5 percent oxygen <br /> chemical splash goggles potential for <br /> unexpected inhalation <br /> -Hard hat of or contact with <br /> hazardous levels of any <br /> OPTIONAL chemicals <br /> - Gloves <br /> - Escape mask <br /> - Face shield <br /> MODIFIED LEVEL "A" PROTECTION <br /> - Half facepiece air- - When low levels - The types of air - Atmospheric <br /> purifying, canister- of known contaminants have been concentration of <br /> equipped respirator contammants are identified, chemicals must not <br /> present which do concentrations exceed IDLH levels <br /> not present a measured, and a <br /> hazard by skin or canister is available that - The atmosphere <br /> eye absorption can remove the must contain at least <br /> contaminant 19 5 percent oxygen <br /> - All criteria for the use <br /> of air-purifymg <br /> respirators are met <br /> 16 <br />