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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
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Publications and Tools
IRSST's Production
Magazine and Newsletter
Scientific Watch
Documentation Center
Useful Links
Laboratory Services
Laboratories
Analysis and Testing Services
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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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Institute
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substance
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substance
August 27, 2025
1,1-Dichloroethane
French name in the regulation:
Dichloro-1,1 éthane
CAS :
75-34-3
Synonyms:
Chlorure d'éthylidène
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
100
405
-
-
STEV
-
-
-
-
Ceiling
-
-
-
-
Carcinogenicity
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:
1,1-Dichloroethane
Analysis:
Dichloro-1,1 éthane
Recommended method by the IRSST:
Method: NIOSH - 1003
Sampling protocol
Sampling device:
Activated charcoal tube
Parameters:
Flow rate: 0,01-0,2 L/min
TWA sampling volume: 15 L
STEL sampling volume: -
Remarks:
This substance is not analyzed by our laboratories. It might be possible that the analysis be performed by another laboratory. Please contact the IRSST before sampling.
Analytical protocol
Principle:
Gas chromatography with flame ionization detection (GC-FID)
Remarks:
IRSST method 173-1 can be adapted to this product.
Reference
NIOSH Manual of Analytical Methods, 4th ed, Method 1003, Hydrocarbons halogenated, 2003.
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