A. Sterile persons pass each other back to back or front to front. B. Sterile person faces a sterile area to pass it. C. Sterile persons stay within the sterile field. They do not walk around or go outside the room. D. Movement is kept to a minimum to avoid contamination of sterile items or persons.
Unsterile persons avoid sterile areas.
A. Unsterile persons maintain a distance of at least 1 foot from the sterile field. B. Unsterile persons face and observe a sterile area when passing it to be sure they do not touch it. C. Unsterile persons never walk between two sterile fields. D. Circulator restricts to a minimum all activity near the sterile field. Destruction of integrity of microbial barriers results in contamination.