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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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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
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substance
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substance
September 15, 2025
Dimethylphthalate
French name in the regulation:
Phtalate de diméthyle
CAS :
131-11-3
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
-
5
-
-
STEV
-
-
-
-
Ceiling
-
-
-
-
Carcinogenicity
Sensitizer
Simple asphyxiant
Percutaneous
Prohibited use
Prohibited recirculation
Minimum exposure
Explosion hazard
Ototoxic
TWA adjustment for unusual work schedules
1B
: No adjustment
CNESST – Toxicological Index Service
Consult REPTOX file:
Dimethylphthalate
Analysis:
Phtalate de diméthyle
Method: IRSST - 391
Sampling protocol
Sampling device:
Sampling media required:
#IRSST
Description
912
Cellulose nitrate filter 37 mm
Parameters:
Flow rate: 1,0 L/min
TWA sampling volume: 30 L
STEL sampling volume: -
Remarks:
Store in refrigerator after sampling.
Analytical protocol
Principle:
High performance liquid chromatography with UV detection (HPLC-UV)
Precision (%):
1,2
Minimum reported value:
8 µg
Reference
IRSST. "Détermination des phtalates dans l'air des lieux de travail". Méthode 391. Non publiée.
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