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LEVEL C <br /> Personal protection is required. Level C is the area were <br /> respiratory protection of a lesser degree than the criteria <br /> established for Levels A or B is required, and the probability of <br /> skin contamination by dermal toxic materials in unlikely. An <br /> area may .be designed as Level_ C when: <br /> Monitored levels of air contamination do not exceed the <br /> protection factors afforded by air-purifying <br /> respirators. <br /> Air contaminants have good warning properties. <br /> Contaminants are not known to be absorbed through, or <br /> . toxic to, skin surface. <br /> A reliable history of prior site entries exists without <br /> indications of acute or chronic health effects. <br /> Equipment Ensemble: <br /> Recommended Protection Provided <br /> * air-purifying respirator the same level of skin <br /> .protection as Level B, <br /> * chemical-resistant but a lower level of <br /> clothing (overalls and respiratory protection. <br /> long sleeved jacket; <br /> hooded, one-or two-piece <br /> chemical splash suit, <br /> disposable chemical.- <br /> resistant one-piece suit <br /> * inner and other chemical- <br /> resistant gloves <br /> * hard hat <br /> Optional: * coveralls <br /> * disposable boot covers <br /> * face shield <br /> * escape mask <br /> * long cotton underwear <br />