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OHS Research
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IRSST's Production
Magazine and Newsletter
Scientific Watch
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Useful Links
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Slip Resistance Test for Protective Footwear
Loan, Calibration and Repairs
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CQ Fibres
Quality Control of Fiber Counts
CQ Vrac
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Interlaboratory quality
control program
Guides and Tools
Instruments and Sampling Material
Register
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Postdoctoral Fellowship
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substance
August 27, 2025
Tri-o-cresyl phosphate (IFV)
French name in the regulation:
Phosphate de tri-o-crésyle (IFV)
CAS :
78-30-8
Exposure Standards in RROHS regulation
Permissible exposure values (PEV)
ppm
mg/m
3
f/cc
Notes
TWAEV
-
0,02
-
IFV
STEV
-
-
-
-
Ceiling
-
-
-
-
Carcinogenicity
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:
Tri-o-cresyl phosphate(IFV)
Analysis:
Phosphate de tri-o-crésyle
Recommended method by the IRSST:
Method: NIOSH - 5037
Sampling protocol
Sampling device:
Mixed cellulose ester filter
Parameters:
Flow rate: 1-3 L/min
TWA sampling volume: 100 L
STEL sampling volume: -
Remarks:
The recommanded method is not suitable for Tri-o-cresyl phosphate vapor phase determination. For more information, please contact the IRSST. 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 photometric detection (GC-FPD)
Reference
NIOSH Manual of Analytical Methods, 4th ed., Method 5037 : Triorthocresyl Phosphate, 1994.
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