35.1350—Safe work practices.
        
        (b) Occupant protection and worksite preparation.
         Occupants and their belongings shall be protected, and the worksite prepared, in accordance with  § 35.1345. A person performing this work shall be trained on hazards and either be supervised or have completed successfully one of the specified courses, in accordance with  § 35.1330(a)(4).
    
    
        
        (c) Specialized cleaning.
         After hazard reduction activities have been completed, the worksite shall be cleaned using cleaning methods, products, and devices that are successful in cleaning up dust-lead hazards, such as a HEPA vacuum or other method of equivalent efficacy, and lead-specific detergents or equivalent.
    
    
        
        (d) De minimis levels.
         Safe work practices are not required when maintenance or hazard reduction activities do not disturb painted surfaces that total more than:
    
    
    
    
        
        (3) 
         10 percent of the total surface area on an interior or exterior type of component with a small surface area. Examples include window sills, baseboards, and trim.