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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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Master’s Scholarship and Supplement
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Postdoctoral Fellowship
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substance
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substance
September 18, 2025
Epichlorohydrin
French name in the regulation:
Épichlorohydrine
CAS :
106-89-8
Synonyms:
Chloro-1 époxy-2,3 propane
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
2
7,6
-
-
STEV
-
-
-
-
Ceiling
-
-
-
-
Carcinogenicity
C2
Sensitizer
Simple asphyxiant
Percutaneous
Prohibited use
Prohibited recirculation
Minimum exposure
Explosion hazard
Ototoxic
TWA adjustment for unusual work schedules
IV
: Daily or weekly adjustment ( the more stringent of the two)
CNESST – Toxicological Index Service
Consult REPTOX file:
Epichlorohydrin
Analysis:
Épichlorohydrine
Method: IRSST - 223
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: 20 L
STEL sampling volume: -
Remarks:
Epichlorohydrin must be specifically sampled due to the specific analysis performed.
Analytical protocol
Principle:
Gas chromatography with flame ionization detection (GC-FID)
Precision (%):
2,0
Minimum reported value:
9 µg
Reference
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