Which statement best describes Level C PPE?

• A. Requires a fully encapsulating suit for maximum protection
• B. Work clothing with APR or PAPR; for known hazards with adequate oxygen
• C. Only suitable for non-hazardous work environments
• D. High-level protection with full-face shield but no breathing apparatus

Answer: (B)

Level C Personal Protective Equipment (PPE) is defined as work clothing that includes Air-Purifying Respirators (APR) or Powered Air-Purifying Respirators (PAPR). This type of PPE is specifically intended for use in environments where the hazards are known, and there is enough oxygen present to ensure worker safety. The use of APRs or PAPRs indicates that there is a reliance on these devices to protect the wearer from inhaling harmful substances in the air while suitable for conditions where the levels of chemicals or particulates are understood and manageable.

Additionally, Level C PPE is not intended for use in situations where the concentration of atmospheric contaminants is unknown or where oxygen levels are below the safe threshold. Thus, it presents a moderate level of protection as opposed to Levels A and B, which offer higher protection against airborne contaminants or require fully encapsulating suits. Therefore, the description that includes adequate oxygen and specifies the use of air-purifying respirators accurately captures the essence of Level C PPE and its appropriate applications in hazardous environments.