2022 Manitoba Workplace Safety and Health Act and Regulation

Testing and results
12.5(1) An audiometric test required under clause 12.4(2)(c) must be
conducted
(a) using an audiometer that
(i) meets the requirements of CAN/CSA CAN3-Z107.4-M86
(R2001), Pure Tone Air Conduction Audiometers for Hearing 
Conservation and for Screening, and
(ii) provides pure tones of selected frequencies at calibrated
outputs and is used to measure pure tone air conduction
hearing threshold levels; and
(b) in a location where the octave band sound pressure level is not
more than the octave band sound pressure level indicated in
Column 1 of the following table for each octave band centre
frequency set out in Column 2.
Column 1
Octave Band Sound
Pressure Level
(Decibels)
Column 2
Octave Band Center
Frequency 
(Hz)
30
500
30
1000
35
2000
42
4000
45
8000
12.5(2) An industrial audiometric technician, physician or audiologist
administering an audiometric test must
(a) comply with the requirements of subsection (1);
(b) record the results of the test;
(c) retain a copy of the test record for a period of at least 10 years
from the date of the test; and
(d) provide a copy of the test results to the worker.

---

Workplace Safety And Health Regulation
146
12.5(3) If the results of an audiometric test indicate an abnormal audiogram
or show an abnormal shift, the industrial audiometric technician,
physician or audiologist administering the test must
(a) advise the worker of the test results;
(b) request that the worker provide a relevant medical history; and
(c) if he or she is not the physician or audiologist engaged by the
employer under subsection 12.4(3), forward the results, the
relevant medical history and a baseline audiogram to that
physician or audiologist.