Download MATERIAL SAFETY DATA SHEET USER'S GUIDE

The ceiling value “is the concentration never to be
exceeded during any length of time whatsoever.”
The regulation also includes designations and
remarks: Pc (percutaneous), EM (exposure reduced
to a minimum), RP (recirculation prohibited), S (sensitization) and the carcinogen designations.
For more details, consult Schedule 1 of the Regulation
respecting occupational health and safety.
Transportation of dangerous
goods (TDG)
In Québec, the TDG is regulated by the Transportation
of Dangerous Substances Regulation of the ministère
des Transports of Québec. It was adopted in compliance with the Transportation of Dangerous Goods
Regulations of Transport Canada, in application of the
Transportation of Dangerous Goods Act.
Definitions
PIN (UN) : Product Identification Number. Numeric
or alphanumeric designation used to identify a substance or a group of substances with the same name
as dangerous goods in the regulation.
Class : numeric data used to designate a substance
according to the characteristics of the hazard. In the
Transportation of Dangerous Goods Act, products are
divided into nine classes. A substance can be assigned
more than one class, with the primary class (describing the main hazard) and the subsidiary class or
classes also indicated.
Packing group or risk group : numerical designation in Roman or Arabic numerals used to indicate, as
applicable, the hazard or risk level of goods.
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