Aviation Occupational Health and Safety Regulations

5.16 (1) No employee shall be exposed to a concentration of an airborne chemical agent in excess of the value for that chemical agent established in the American Conference of Governmental Industrial Hygienists publication entitled Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs).

(2) If there is a likelihood that the concentration of an airborne chemical agent may exceed the value referred to in subsection (1), air samples shall be taken and the concentration of the chemical agent shall be determined

• (a) in accordance with the standards set out by the United States National Institute for Occupational Safety and Health in the NIOSH Manual of Analytical Methods; or

• (b) if no specific standards for the chemical agent are listed in the document referred to in paragraph (a), in accordance with a scientifically proven method used to collect and analyze a representative sample of the chemical agent.

(3) A written or electronic record of each determination made under subsection (2) shall be kept by the employer at a location accessible to employees to whom it applies for a period of 3 years from the date of the determination.

(4) The record shall include

• (a) the date, time and location of the analysis;

• (b) the hazardous substance in respect of which the analysis was made;

• (c) the sampling and testing method used;

• (d) the result obtained; and

• (e) the name and occupation of the person who made the analysis.