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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
Research partnerships
Institute
About
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substance
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substance
August 31, 2025
Benzo(a)pyrene
French name in the regulation:
Benzo(a)pyrène
CAS :
50-32-8
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
-
0,005
-
-
STEV
-
-
-
-
Ceiling
-
-
-
-
Carcinogenicity
C2
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:
Benzo(a)pyrene
Analysis:
Benzo(a)pyrène
Method: IRSST - 225-2
Sampling protocol
Sampling device:
Sampling media required:
#IRSST
Description
2187
Orbo 42L tube 100/50 mg
Parameters:
Flow rate: 2 L/min
TWA sampling volume: 960 L
STEL sampling volume: -
Remarks:
The sampling train consists of a cassette that will collect the PAHs in particulate form, followed by the sampling tube that will adsorb the PAHs in vapour form. This tube is connected directly to the pump by Tygon tubing. After sampling, the samples must be stored in the freezer protected from light. The tubes and filters must be shipped together and identified to match respectively. 21 PAHs are determined simultaneously. See the info-labos
2008-14
and
2014-02
.
Analytical protocol
Principle:
Gas chromatography with mass spectrometry (GC-MS)
Minimum reported value:
0,1 µg
Remarks:
CVa for cassette and tube analysis are respectively 3.1% et 1.6%.
Reference
IRSST. "Analyse des hydrocarbures polycycliques aromatiques (HPA) dans l'air". Méthode 225-2. Non publiée.
Benzo(a)pyrène
Method: IRSST - 225-2
Sampling protocol
Sampling device:
Sampling media required:
#IRSST
Description
911
GF filter, 37 mm, 0.8µm
Parameters:
Flow rate: 2 L/min
TWA sampling volume: 960 L
STEL sampling volume: -
Remarks:
The sampling train consists of a cassette that will collect the PAHs in particulate form, followed by the sampling tube that will adsorb the PAHs in vapour form. This tube is connected directly to the pump by Tygon tubing. After sampling, the samples must be stored in the freezer protected from light. The tubes and filters must be shipped together and identified to match respectively. 21 PAHs are determined simultaneously. See the info-labos
2008-14
and
2014-02
.
Analytical protocol
Principle:
Gas chromatography with mass spectrometry (GC-MS)
Minimum reported value:
0,1 µg
Remarks:
CVa for cassette and tube analysis are respectively 3.1% et 1.6%.
Reference
IRSST. "Analyse des hydrocarbures polycycliques aromatiques (HPA) dans l'air". Méthode 225-2. Non publiée.
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