Which level of protection is considered Level A in work uniforms?

Level A protection is characterized by fully encapsulated suits that provide the highest level of protection against hazardous materials. These suits are designed to protect against both vapor and liquid chemical exposure, ensuring that the wearer is completely sealed off from the external environment. This level of protection is critical in situations where the type of hazard is unknown or highly toxic, as it minimizes the risk of contamination.

Fully encapsulated suits are equipped with a sealed air supply and appropriate respiratory protection, enabling responders to operate safely in environments with extremely hazardous conditions. The materials used in Level A suits are resistant to permeation by toxic substances, ensuring that the wearer is well-protected.

In contrast, the other options represent lower levels of protection. Chemical splash suits provide a degree of barrier against liquid chemicals but do not offer full encapsulation or protection from vapors. Conventional firefighting gear is designed primarily for thermal protection and is not suitable for use in hazardous materials incidents. Disposable coveralls may offer basic protection against particulates or low-level exposure but lack the integrity and features necessary for handling highly toxic materials.