Mercury [7439-97-6], mecury vapor (as Hg)

French name in the regulation: Mercure [7439-97-6], vapeur de mercure

CAS : 7439-97-6

Exposure Standards in RROHS regulation

Permissible exposure values (PEV)

	ppm	mg/m³	f/cc	Notes
TWAEV	-	0,025	-	-
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: Mercury [7439-97-6], mecury vapor (as Hg)

Analysis:

Mercure sur tube

Recommended method by the IRSST:

Method: NIOSH - 6009

Sampling protocol

Sampling device: Anasorb C300 or Hopcalite tube
Parameters:
Flow rate: 0,15-0,25 L/min
TWA sampling volume: 100 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: Cold vapour atomic absorption spectrophotometry (CV-AAS)
Remarks: Sampling on passive dosimeter is possible with a higher minimum reported value.

Reference

NIOSH Manual of Analytical Methods, 4th ed., Method 6009 : Mercury. Cincinnati, NIOSH, 1994.

Mercure avec ILD

Method: IRSST - 2-A

Sampling protocol

Sampling device:
Parameters:
Flow rate: -
TWA sampling volume: -
STEL sampling volume: -

Analytical protocol

Principle: Direct reading instrument-Amalgamation (DRI-Am)
Remarks: Refer to the user's guide that accompanies the instrument. The minimum reported value is 0.5µg/m³. The reference method corresponds to the calibration of the direct-reading instrument (DRI).

Reference

IRSST. "Étalonnage d'un instrument à lecture directe pour la mesure du mercure dans l'air" (méthode statique). Méthode 2-A. Méthodes d'étalonnage. Non publiée.