662 HAZWOPER for General Site Workers III

Regulated Areas

All Class I, II, and III asbestos work must be done within regulated areas. The following are required for all regulated areas:

• Only authorized personnel may enter.
• The designated competent person supervises all asbestos work performed in the area. Employers must mark the regulated area in any manner which minimizes the number of persons within the area and protects persons outside the area from exposure to airborne asbestos.
• Critical barriers or negative-pressure enclosures may mark the regulated area.

• Posted warning signs marking the area must be easily readable and understandable. The signs must bear the information in the image to the right.
• Employers must supply a respirator to each person entering regulated areas.
• Employees must not eat, drink, smoke, chew tobacco or gum, or apply cosmetics in regulated areas.

The employer performing work in a regulated area must inform other employers on site of the following:

• the nature of the work
• regulated area requirements
• measures taken to protect on-site employees

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