What best describes Level A protection?

• A. Fully encapsulated
• B. Hooded protective clothing with no SCBA
• C. Fully encapsulated; Requires SCBA; Protects against Vapor and Liquid
• D. Standard work clothing

Answer: (C)

Level A protection is the highest level of hazmat PPE and is built around total barrier to both skin and breathing air in environments with unknown or highly toxic vapors, gases, or liquids. It uses a fully encapsulating chemical protective suit to keep chemicals from contacting the skin, combined with a supplied-air respirator (SCBA) to provide clean air regardless of the surrounding atmosphere. This combination is why the best description is a fully encapsulated suit that requires SCBA and protects against both vapor and liquid hazards. The other options fall short: simply being fully encapsulated omits the necessary breathing protection, hooded clothing with no SCBA lacks respiratory protection, and standard work clothing offers no chemical defense at all.