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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
Grants
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 27, 2025
Bismuth telluride, Undoped
French name in the regulation:
Bismuth, tellure de, Non dopé
CAS :
1304-82-1
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
-
10
-
-
STEV
-
-
-
-
Ceiling
-
-
-
-
Carcinogenicity
Sensitizer
Simple asphyxiant
Percutaneous
Prohibited use
Prohibited recirculation
Minimum exposure
Explosion hazard
Ototoxic
TWA adjustment for unusual work schedules
1C
: No adjustment
CNESST – Toxicological Index Service
Consult REPTOX file:
Bismuth telluride, Undoped
Analysis:
Weight measurement for total dusts
Method: IRSST - 48-1
Sampling protocol
Sampling device:
Sampling media required:
#IRSST
Description
902
Preweighed PVC filter, 37 mm, 5 µm
Parameters:
Flow rate: 1,5 L/min
TWA sampling volume: 180 L
STEL sampling volume: -
Analytical protocol
Principle:
Gravimetric measurement (Grav)
Precision (%):
4,0
Minimum reported value:
25 µg
Remarks:
Additional information is available in Info-Labo
1991-03
. The weight measurement method for dusts is by definition non-specific.
Reference
IRSST. "Poussière totale". Méthode 48-1. Méthodes analytiques. Montréal: IRSST, 1998.
Weight measurement for total dusts
Method: IRSST - 48-1
Sampling protocol
Sampling device:
Sampling media required:
#IRSST
Description
914
PVC filter, 25 mm, preweighed, 5 µm
Parameters:
Flow rate: 1,5 L/min
TWA sampling volume: 180 L
STEL sampling volume: -
Analytical protocol
Principle:
Gravimetric measurement (Grav)
Precision (%):
4,0
Minimum reported value:
25 µg
Remarks:
Additional information is available in Info-Labo
1991-03
. The weight measurement method for dusts is by definition non-specific.
Reference
IRSST. "Poussière totale". Méthode 48-1. Méthodes analytiques. Montréal: IRSST, 1998.
Weight measurement for total dusts
Method: IRSST - 48-1
Sampling protocol
Sampling device:
Sampling media required:
#IRSST
Description
997
PVC filter, 37 mm 5 µm, preweighed, 3-part
Parameters:
Flow rate: 1,5 L/min
TWA sampling volume: 180 L
STEL sampling volume: -
Analytical protocol
Principle:
Gravimetric measurement (Grav)
Precision (%):
4,0
Minimum reported value:
25 µg
Remarks:
Additional information is available in Info-Labo
1991-03
. The weight measurement method for dusts is by definition non-specific.
Reference
IRSST. "Poussière totale". Méthode 48-1. Méthodes analytiques. Montréal: IRSST, 1998.
Bismuth
Recommended method by the IRSST:
Method: OSHA - ID121
Sampling protocol
Sampling device:
Mixed cellulose ester filter
Parameters:
Flow rate: 2 L/min
TWA sampling volume: 960 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:
Flame atomic absorption spectrophotometry (FAAS)
Remarks:
A stoichiometric factor must be applied.
Reference
OSHA Analytical Methods Manual. Method ID121. Metals & metalloid particulates in workplace atmosphere, 2002.
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