2022 Manitoba Workplace Safety and Health Act and Regulation

Monitoring
36.6(1) If a worker is, or may be, exposed to an airborne chemical or
biological substance in the workplace at a concentration in excess of
the occupational exposure limit for the substance established under
section 36.5, an employer must
(a) conduct monitoring of the substance on a regular basis to
determine the airborne concentration of the substance; or

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(b) implement control measures in accordance with section 36.7
sufficient to ensure that no worker is exposed to the substance
in excess of the occupational exposure limit for that substance.
36.6(2) When an employer conducts monitoring under subsection (1), the
employer must ensure that
(a) the concentrations of the chemical or biological substance to
which a worker is exposed are determined by a competent
person from analyses of air samples representative of the
worker’s exposure; and
(b) the air sampling and the analyses of the air samples are
conducted in accordance with the requirements of
(i) the National Institute for Occupational Safety and Health
Manual of Analytical Methods, published by the United
States Department of Health and Human Services, or
(ii) another method established by a recognized occupational
hygiene practice.
36.6(3) An employer must make a record of all monitoring, which must
include the following information:
(a) the type of monitoring;
(b) the type of equipment used;
(c) each result of the monitoring and the time each result was
obtained;
(d) any interpretation of the monitoring data;
(e) the names of the workers whose exposure was measured.
36.6(4) An employer must provide the monitoring records to
(a) the committee at the workplace;
(b) the representative at the workplace;
(c) if no committee or representative exist, to affected workers; and
(d) upon request, to a worker who was exposed to a chemical or
biological substance in the workplace.
36.6(5) An employer must maintain a monitoring record for a 30-year period
after the monitoring was conducted.

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