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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
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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