The illustration shows a generic example of a box plot with the maximum, third quartile, median, first quartile, and minimum values labeled. The relative vertical spacing between the labels reflects the values of the variable in proportion.
Respirator Types Two basic types of respirators are: â¢ air-purifying; andâ¢ supplied-air respirators. Air-purifying respirators remove airborne contaminants such as particles, toxic vapors, and/or gases.
You are here: Home > Personal Protective Equipment (PPE) in a Radiation Emergency > PPE Image Gallery: Respiratory Protective Equipment - Civilian. Respiratory PPE - Civilian Air-Purifying Respirator (APR) Powered Air-Purifying Respirator (PAPR) Supplied Air Respirator (SAR) with Escape Respirator. Self-Contained Breathing Apparatus (SCBA)