OSHA Asbestos Standard for the Construction Industry

U.S. Department of Labor
Occupational Safety & Health Administration
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Supervision by a competent person
Critical barriers over all openings to regulated area, or another barrier or isolation method which prevents the migration of airborne asbestos from the regulated area
- For Class I jobs involving the removal of >25 linear or 10 square feet of TSI or surfacing material
- For all other Class I jobs where there is no negative exposure assessment
- For Class I jobs where employees are working in areas adjacent to the regulated area

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