Table 1 Site Work Zone Requirements
For this type of work zone: | You must: |
Exclusion zone | * Establish entry and exit checkpoints on the zone's boundary * Regulate the flow of people and equipment into and out of the zone * Make sure exits go through a contamination reduction corridor |
Contamination reduction zone with a contamination reduction corridor | * Enter through a control point from the clean zone * Provide a transition or buffer between the exclusion zone and the clean zone * Perform all decontamination procedures * Establish separate decontamination routes for people and equipment, if practical * Remove all PPE worn in the contamination reduction or exclusion zones before entering the clean zone |
Clean zone or support zone | Have no employee exposure to hazardous substances or health hazards |
Note: | See Illustration 2 for an example of site work zones. |
Wash. Admin. Code § 296-843-14005
Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. 04-02-053, § 296-843-14005, filed 1/5/04, effective 5/1/04.