The document outlines procedures for entering and exiting a work area, including a clean room and equipment room. To enter, workers must remove street clothes, put on protective gear like a swimsuit, overalls and foot coverings, and properly don a respirator. They then proceed to the equipment room to collect tools before entering the work area. To exit, workers remove contaminated protective clothing and gear in the equipment room and shower room, thoroughly washing their bodies and respirators before redressing and exiting in clean clothes.