2. The ELVs may be exceeded during an employee’s shift where the employer ensures that—
(a)they are only exceeded temporarily;
(b)hazardous spark discharges, and contact currents in excess of those in Table AL5, are prevented through the provision of information and training under regulation 10 and the use of suitable technical and personal protection measures;
(c)adequate information is provided to the employee on the possibility of sensory effects related to time-varying magnetic fields, including retinal phosphenes; and
(d)where any of those sensory effects are reported to the employer, the risk assessment is updated where necessary.