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OHS Research
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Reference Framework
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IRSST's Production
Magazine and Newsletter
Scientific Watch
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Slip Resistance Test for Protective Footwear
Loan, Calibration and Repairs
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Quality Control of Fiber Counts
CQ Vrac
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Interlaboratory quality
control program
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substance
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substance
June 10, 2026
Heptanal
French name in the regulation:
Heptanal
CAS :
111-71-7
Not in the regulation.
CNESST – Toxicological Index Service
Consult REPTOX file:
Heptanal
Analysis:
Heptanal
Method: IRSST - 385
Sampling protocol
Sampling device:
Sampling media required:
#IRSST
Description
2186
Orbo 23 tube 120/60 mg
Parameters:
Flow rate: 0,1 L/min
TWA sampling volume: 10 L
STEL sampling volume: -
Remarks:
Before and after sampling, tubes must be stored in a freezer.
Analytical protocol
Principle:
Gas chromatography with mass spectrometry (GC-MS)
Precision (%):
4,2
Minimum reported value:
0,2 µg
Remarks:
Eleven aldehydes are determined simultaneously: acetaldehyde, isobutyraldehyde, isovaleraldehyde, propionaldehyde, butyraldehyde, furfural, heptanal, hexanal, valeraldehyde, acrolein and formaldehyde. This method must not be used for the specific evaluation of formaldehyde; the methods to be used in this case are 295-1 and 357-1.
Reference
Dépistage des aldéhydes dans l'air par GC-MS. Méthode 385. Non publiée.
Heptanal
Method: IRSST - 385
Sampling protocol
Sampling device:
Sampling media required:
#IRSST
Description
2188
XAD-2 120/60 mg impregnated with HMP
Parameters:
Flow rate: 0,1 L/min
TWA sampling volume: 10 L
STEL sampling volume: -
Remarks:
Before and after sampling, tubes must be stored in a freezer.
Analytical protocol
Principle:
Gas chromatography with mass spectrometry (GC-MS)
Precision (%):
4,2
Minimum reported value:
0,2 µg
Remarks:
Eleven aldehydes are determined simultaneously: acetaldehyde, isobutyraldehyde, isovaleraldehyde, propionaldehyde, butyraldehyde, furfural, heptanal, hexanal, valeraldehyde, acrolein and formaldehyde. This method must not be used for the specific evaluation of formaldehyde; the methods to be used in this case are 295-1 and 357-1.
Reference
Dépistage des aldéhydes dans l'air par GC-MS. Méthode 385. Non publiée.
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