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IRSST - Méthode analytique - Difluorodibromométhane( Difluorodibromomethane)
CAS:  75-61-6
Difluorodibromomethane
French name in the regulation: Difluorodibromométhane
Synonyms: Halon 1202,Dibromodifluorométhane


Exposure Standards in RROHS regulation

Permissible exposure values (PEV)
  ppmmg/m³f/ccNotes
 TWAEV100858-
 STEV---
 Ceiling---
 
Simple asphyxiant 
 
Percutaneous 
 
 
Minimum exposure 
 
 Sensitizer  
 
 
Prohibited use  
 
 Prohibited recirculation 
 
 
Cancinogenocity
 


TWA adjustment for unusual work schedules

IV : Daily or weekly adjustment ( the more stringent of the two)

CSST – Toxicological Index Service
Consult REPTOX file :Difluorodibromomethane

Analysis : 

Difluorodibromométhane


Recommended method by the IRSST:

Method:    NIOSH  - 1012   

Sampling protocol 
Sampling deviceTwo 100/50 mg activated charcoal tubes in series

Recommended Sampling Parameters
Flow rate0,01-0,2 L/min
TWA sampling volume10 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
Gas chromatography with flame ionization detection(GC-FID)

Reference(s)
NIOSH Manual of Analytical Methods. 4th ed. Method 1012 : Difluorodibromomethane, 1994.
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