Performed using wet methods
Performed using local exhaust ventilation, to the extent feasible
Where drilling, cutting, abrading, sanding, chipping, breaking, or sawing TSI or surfacing material, performed using impermeable dropcloths and mini-enclosures or glove bag systems or another isolation method
Where there is no negative exposure assessment or where the PELs are exceeded, performed using impermeable dropcloths and plastic barriers, or isolation using a control system specified for Class I jobs
Where: TSI or sufacing material involved, or there is no negative exposure assessment, or PELs are exceeded, employees shall wear respiratory protection according to paragraph (h)