(f)
by adding the following definitions in alphabetical order:
“ceiling” means a ceiling as defined in the ACGIH publication entitled “2016 Threshold Limit Values for Chemical Substances and Physical Agents and Biological Exposure Indices”; (limite maximale d’exposition)
“occupational exposure limit” means
(limite d’exposition professionnelle)
(a)
except with respect to lead sulfide, formaldehyde, sulphur dioxide, hydrogen sulphide, nitrogen dioxide and any other air contaminant for which the Commission sets an exposure limit, a threshold limit value adopted by the ACGIH and set out in the ACGIH publication entitled “2016 Threshold Limit Values for Chemical Substances and Physical Agents and Biological Exposure Indices”,
(b)
with respect to lead sulfide, an exposure limit set at 0.15 mg/m
3 – TWA,
(c)
with respect to formaldehyde, an exposure limit set at 0.5 ppm – TWA and 1.5 ppm – STEL,
(d)
with respect to sulphur dioxide, an exposure limit set at 2 ppm (5.2 mg/m
3) – TWA and 5 ppm (13 mg/m
3) – STEL,
(e)
with respect to hydrogen sulphide, a ceiling of 10 ppm (13.9 mg/m
3),
(f)
with respect to nitrogen dioxide, an exposure limit set at 3 ppm (5.6 mg/m
3) – TWA and 5 ppm (9.4 mg/m
3) – STEL, and
(g)
with respect to any other air contaminant for which the Commission sets an exposure limit, the exposure limit set by the Commission;
“physical agent” means any noise, ionizing or non-ionizing radiation, temperature, pressure, vibration or electric or magnetic field that may, if exposed in sufficient quantities and duration, result in illness or injury to human health; (agent physique)
“short-term exposure limit or STEL” means STEL as defined in the ACGIH publication entitled “2016 Threshold Limit Values for Chemical Substances and Physical Agents and Biological Exposure Indices”;(limite d’exposition à court terme ou LECT)
“time-weighted average or TWA” means TWA as defined in the ACGIH publication entitled “2016 Threshold Limit Values for Chemical Substances and Physical Agents and Biological Exposure Indices”;(moyenne pondérée dans le temps ou MPT)