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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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Scholarships
Master’s Scholarship and Supplement
Doctoral Scholarship and Supplement
Postdoctoral Fellowship
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substance
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substance
August 27, 2025
Triethylamine
French name in the regulation:
Triéthylamine
CAS :
121-44-8
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
0,5
2,1
*
-
-
STEV
1
4,1
*
-
-
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:
Triethylamine
Analysis:
Triéthylamine
Recommended method by the IRSST:
Method: OSHA - PV2060
Sampling protocol
Sampling device:
XAD-7 tube treated with phosphoric acid
Parameters:
Flow rate: 0,1-0,2 L/min
TWA sampling volume: 24 L
STEL sampling volume: -
Remarks:
Stable for more than 14 days at 21°C. Contact the IRSST before sampling.
Analytical protocol
Principle:
Gas chromatography with nitrogen-phosphorus detection (GC-NPD)
Reference
OSHA Chemical Information Manual, PV2060, Triethylamine and Trimethylamine, 1993.
Following the amendment of Appendix 1 of the Quebec Regulation respecting occupational health and safety (RSST, RLRQ, c. S-2.1, r. 13), part of Quebec Occupational Health and Safety Act, which came into effect on March 26, 2020, the TWAEV, STEL and Ceiling values for certain substances are now expressed in
ppm
. For these substances, the IRSST performed the conversion calculations to express these TWAEV, TWA and Ceiling values in mg/m
3
, which thus appears in its Sampling Guide for Air Contaminants in the Workplace
(Guide d'échantillonnage des contaminants de l'air en milieu de travail )
and the associated Substance Data Sheets. However, it is imperative to refer to the values expressed in the RSST which are legally binding.
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