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OHS Research
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IRSST's Production
Magazine and Newsletter
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Useful Links
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Slip Resistance Test for Protective Footwear
Loan, Calibration and Repairs
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Interlaboratory quality
control program
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substance
September 04, 2025
1,3-Butadiene
French name in the regulation:
Butadiène-1,3
CAS :
106-99-0
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
2
4,4
-
-
STEV
-
-
-
-
Ceiling
-
-
-
-
Carcinogenicity
C2
Sensitizer
Simple asphyxiant
Percutaneous
Prohibited use
Prohibited recirculation
Minimum exposure
Explosion hazard
Ototoxic
TWA adjustment for unusual work schedules
III
: Weekly adjustment
CNESST – Toxicological Index Service
Consult REPTOX file:
1,3-Butadiene
Analysis:
Butadiène-1,3
Method: IRSST - 171-1
Sampling protocol
Sampling device:
Sampling media required:
#IRSST
Description
2189
Activated charcoal with TBC
Parameters:
Flow rate: Max: 0,075 L/min
TWA sampling volume: 10 L
STEL sampling volume: -
Remarks:
1,3-Butadiene must be sampled specifically due to the sampling device used. This method cannot be used if there is presence of a mixture of C3 to C5 hydrocarbons because of chromatographic interferences. An alternative method is available. Please contact the IRSST prior to sampling.
Analytical protocol
Principle:
Gas chromatography with flame ionization detection (GC-FID)
Minimum reported value:
4,4 µg
Reference
IRSST. "Analyse du butadiène-1,3". Méthode 171-1. IRSST, 1995.
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