Material Safety Data Sheet User's Guide​

11. Preventive measures

This section contains useful information for protecting the health and physical well-being of a worker exposed to the product under normal or accidental conditions of use, handling, or storage of this product.

Protective equipment to be used Handling procedures and equipment
Engineering controls to be used Storage requirements
Procedures to be followed in case of leak or spill Special shipping information
Waste disposal  

Protective equipment to be used

This subsection specifies the parts of the body to be protected and the type of protective equipment appropriate to the contaminant exposure and the regulations in force in Québec. For more information on the respiratory protective equipment to use in Québec, consult the following Web site: www.cnesst.gouv.qc.ca/prevention/reptox/apruq/.

 

Example

Xylene
· Respiratory tract
From 100 ppm, wear an appropriate respirator.
· Skin
Gloves: Multilayer polyethylene/ethylene vinyl alcohol/polyethylene (PE/EVAL/PE), polyvinyl alcohol (PVAL), multilayer Viton®/butyl rubber/Viton® or Viton®.
· Eyes
Wear safety glasses if there is a risk of splashing.

Protective equipment

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Engineering controls to be used

This subsection contains the specific procedures to apply to handle the product safely.

 

Example

Xylene
This flammable liquid must be handled in compliance with the Flammable and Combustible Liquids Code NFPA 30. Use tools that will not produce sparks. Wear the appropriate protective clothing and ventilate adequately. Equipment must be grounded and bounded: refer to NFPA 77 code.


No ground With ground

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Procedures to be followed in case of leak or spill

This subsection contains procedures to apply in the event of accidental leaks or spills of the product as well as the means of disposing of it.

 

Example

Toluene
In the event of accidental leaks or minor spills, absorb with sand or any other non-combustible absorbent material. Place the mixture in a well identified airtight container so that it can be treated later in compliance with the regulations in force.


Bad disposing Correct method

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Waste disposal

The steps to be taken for product waste disposal are explained in this subsection.

 

Example

Xylene
Ventilate the site of the spill well so that the remainder of the liquid evaporates and the vapours disperse. Do not pour the waste into the sewer and do not dispose of contaminated absorbents in the garbage. If necessary, consult the regional office of the ministère de l’Environnement. Dispose of it in compliance with the municipal, provincial and federal regulations in effect.

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Handling procedures and equipment

Consult the Handling subsection to learn how to handle the product safely.

 

Example

Acétylene
Compressed gas cylinders must not be subjected to violent impact, and a damaged cylinder must never be used. Do not use cylinders of compressed gas for purposes other than those for which they are intended. They must be attached upright or secured in a cart when they are used. Handle them away from all sources of heat and ignition. Use tools that will not produce sparks. Equipment must be grounded.


No cart With a cart

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Storage requirements

The Storage subsection contains the conditions for safe storage of the product.

 

Example

Xylene
Store it in a cool and well-ventilated location, away from sources of heat and ignition and incompatible substances. The containers must be grounded.

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Special shipping information

The Shipping subsection contains the special information relating to the shipping of dangerous goods. For more details, consult the Regulations section (TDG) of this guide.

 

Spill with no labelling Correct labelling

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