Level A consists of a Impermeable Suit, worn with chemical protective boots and a Self-Contained Breathing Apparatus (SCBA)

Level B consists of Chemical Protective Clothing worn on top of Air Permeable CW Protective Suit with an SCBA, safety shoes, chemical protective over boots and gloves

Level C consists of Air Permeable CW Protective Suit worn with an air-purifying respirator, safety shoes, chemical protective over boots and gloves