For construction and maintenance projects, wherever employees are, or can reasonably be expected to be, exposed to airborne beryllium at levels above the TWA PEL or STEL, the employer must designate a competent person to:

(1) Make frequent and regular inspections of job sites, materials, and equipment;

(2) Implement the written exposure control plan under WAC 296-850-130 Methods of compliance, of this rule;

(3) Ensure that all employees use respiratory protection in accordance with WAC 296-850-135 Respiratory protection, of this rule; and

(4) Ensure that all employees use personal protective clothing and equipment in accordance with WAC 296-850-140 Personal protective clothing and equipment, of this rule.