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. |
Illustration 2 - Site
Work Zones
Illustration 2a -
Contamination
Reduction Corridor
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050, and
49.17.060. WSR 18-22-116, § 296-843-14005, filed 11/6/18, effective 12/7/18; WSR 04-02-053, § 296-843-14005, filed 1/5/04, effective 5/1/04.]