2022 Manitoba Workplace Safety and Health Act and Regulation

Testing for gas welding and allied process
17.7
An employer must ensure that a person performing a gas welding
or allied process tests a regulator and its flexible connecting hose
immediately after it is connected to a gas cylinder to ensure that
there is no leak of the gas supply.
Flashback arresters
17.8
When gas welding or an allied process is carried out, an employer
must
(a) provide a flashback between the torch and the fuel gas and
oxygen supply that
(i) prevents the reverse flow of fuel, gas, oxygen or air from
the torch to the supply lines, and
(ii) stops a flame from burning back from a torch into the
supply lines;
(b) ensure that hose lines or pipelines for conveying the gases to
the burner and the couplings are legibly marked or identified to
ensure the hoses are not interchanged; and
(c) ensure that the torch is ignited by a lighting device that is
designed for that purpose.
Definition: “welding or allied process”
17.9
In this Part, “welding or allied process” means any type of electric or
fuel gas welding or cutting process, including
(a) arc welding, brazing, solid-state welding, soldering, resistance
welding, and other welding; and
(b) allied processes such as thermal spraying and thermal adhesive
bonding, and arc cutting, laser cutting, oxygen cutting or other
cutting.

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Workplace Safety And Health Regulation
188
PART 18 
RADIATION
Application
18.1(1) Subject to subsection (2), this Part applies to every workplace where
ionizing or non-ionizing radiation is used.
18.1(2) This Part does not apply to
(a) radiation sources subject to the Nuclear Safety and Control Act 
(Canada); and
(b) radiation provided to a medical or dental patient.