136. Corrective measures and individual protective equipment: The employer shall comply with the standards established under sections 131 to 135 by implementing the measures indicated hereafter in the following order:
(1) reduce the noise at its source;
(2) isolate any work station exposed to the noise;
(3) insulate the work areas acoustically.
When, in taking the measures presented in the first paragraph, it proves to be impossible to comply with the standards prescribed in sections 131 to 135 or until the changes stipulated in the said paragraph are made, the employer shall put hearing protectors at the disposal of workers or shall limit the time that they are exposed to noise, in conjunction with an audiometric testing program.
The measures stipulated in the first paragraph shall be implemented, even if the employer is unsuccessful in complying with the standards prescribed under sections 131 to 135.