Canada – Nova Scotia Offshore Marine Installations and Structures Occupational Health and Safety Transitional Regulations

61 If the level of impulse sound in a workplace exceeds 140 dB, the employer must provide every employee entering the workplace with a hearing protector that

• (a) meets the standards set out in CSA Standard Z94.2, Hearing Protection Devices – Performance, Selection, Care, and Use; and

• (b) reduces the peak level of impulse sound reaching the employee’s ears to 140 dB or less.