(1) Employees exposed to pressures above normal atmospheric pressure which may produce physiological injury must adhere to decompression schedules or other tables as are or may be adopted by the department of labor and industries: For example, state of Washington "safety standards for compressed air work" and "safety standards for commercial diving operations." The employer must provide and supervise the use of decompression equipment and schedules in accordance with applicable requirements.

(2) If no specific requirements prevail for an unusual condition, a plan based on the recommendations of professionally qualified advisors, experienced with hazards associated with such exposures, must be followed by both the employer and employee.