IRSST - Méthode analytique - Difluorodibromométhane( Difluorodibromomethane)

CAS: 75-61-6
Difluorodibromomethane
	French name in the regulation: Difluorodibromométhane

Synonyms: Dibromodifluorométhane,Halon 1202

Exposure Standards in RROHS regulation

Permissible exposure values (PEV)
	ppm	mg/m³	f/cc	Notes
TWAEV	100	858	-
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 :


Analysis : Difluorodibromométhane
	Recommended method by the IRSST:

	Method: NIOSH - 1012

	Sampling protocol

	Sampling device	Two 100/50 mg activated charcoal tubes in series

	Recommended Sampling Parameters
	Flow rate	0,01-0,2 L/min
	TWA sampling volume	10 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.