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IRSST - Institut de recherche Robert-Sauvé en santé et en sécurité du travail
OHS Research
Research at the IRSST
Reference Framework
Scientists Directory
Publications and Tools
IRSST's Production
Magazine and Newsletter
Scientific Watch
Documentation Center
Useful Links
Laboratory Services
Laboratories
Analysis and Testing Services
Laboratory Methods
Masks Efficacy Evaluation
Workplace Air Contaminants
Slip Resistance Test for Protective Footwear
Loan, Calibration and Repairs
Recognition Programs
CQ Fibres
Quality Control of Fiber Counts
CQ Vrac
Recognized Laboratories
Interlaboratory quality
control program
Guides and Tools
Instruments and Sampling Material
Register
Research Fund and Partnerships
Research Fund and Partnerships
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Postdoctoral Fellowship
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substance
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substance
October 30, 2025
Dioxane
French name in the regulation:
Dioxane
CAS :
123-91-1
Synonyms:
Dioxanne
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
20
72
-
-
STEV
-
-
-
-
Ceiling
-
-
-
-
Carcinogenicity
C3
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:
Dioxane
Analysis:
Dioxane
Method: IRSST - 160-2
Sampling protocol
Sampling device:
Sampling media required:
#IRSST
Description
2120
Activated charcoal tube 100/50 mg
Parameters:
Flow rate: Max: 0,2 L/min
TWA sampling volume: 10 L
STEL sampling volume: -
Analytical protocol
Principle:
Gas chromatography with flame ionization detection (GC-FID)
Minimum reported value:
20 µg
Reference
IRSST. "Analyse du dioxane". Méthode 160-2. Méthodes analytiques. Montréal: IRSST, 1995.
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