Washington Administrative Code
Title 296 - Labor and Industries, Department of
Chapter 296-840 - Respirable crystalline silica
Section 296-840-115 - Regulated areas
Current through Register Vol. 24-06, March 15, 2024
This section does not apply to occupational respirable crystalline silica exposures in construction work.
(1) Establishment. You must establish a regulated area wherever an employee's exposure to airborne concentrations of respirable crystalline silica is, or can reasonably be expected to be, in excess of the PEL.
(2) Demarcation. You must demarcate the regulated areas from the rest of the workplace in a manner that minimizes the number of employees exposed to respirable crystalline silica within the regulated area.
(3) You must post signs at all entrances to regulated areas that bear the legend specified in WAC 296-840-150(2).
(4) Access. You must limit access to regulated areas to:
(5) Provision of respirators. You must provide each employee and the employee's designated representative entering a regulated area with an appropriate respirator in accordance with WAC 296-840-125 and must require each employee and the employee's designated representative to use the respirator while in a regulated area.