NCSO EXAM PREP SASKATCHEWAN
QUESTIONS AND ANSWERS7
Self-heating substances and mixtures - ANSWERS-Physical Hazard - may catch fire if exposed to
air.
Substances and mixtures that emit flammable gases if in contact with water - ANSWERS-Physical
Hazard - can react with water to release flammable gases.
Oxidizing Liquids/Solids - ANSWERS-Physical Hazards - may intensify or cause a fire.
Organic Peroxides - ANSWERS-Physical Hazards - may cause a fire or explosion if heated.
Corrosive to Metals - ANSWERS-Physical Hazard
Combustible Dusts - ANSWERS-Physical Hazard - Particles in the air may catch fire or explode if
ignited
Physical Hazards not otherwise classified - ANSWERS-Physical Hazards - covers other physical
hazards that are not covered in any other physical hazard class
T/F
The classification of products under WHMIS 2015/GHS is the responsibility of the employer: -
ANSWERS-False - Under WHMIS 2015 the classification of products is very technical and is the
responsibility of suppliers or manufacturers. Classification requires three main steps: 1.
Identification of relevant data regarding the hazards of the chemical or mixture 2. Review of this
, data relative to the criteria for various classes and categories 3. Assignment of the material to
specific classes and categories.
Define WHIMS - ANSWERS-Workplace Hazardous Material Information System
When did WHIMS come into effect in Canada? - ANSWERS-1988
Define GHS - ANSWERS-Globally Harmonized System for Classification and Labelling of
Chemicals
Will GHS replace WHIMS? - ANSWERS-GHS will not replace WHIMS, rather WHIMS will be
modified to incorporate the new GHS elements
What is the goal of GHS for suppliers? - ANSWERS-To help facilitate international trade, increase
alignment across countries on labels and SDS's and reduce need for testing across classification
systems.
What is the goal of GHS for employers? - ANSWERS-To help create a safer work environment,
reduce costs from compliance and reduce training costs over time
What is the goal of GHS for workers? - ANSWERS-Improve Safety and provide greater hazard
awareness
Why are some products exempt from WHIMS 2015? - ANSWERS-Since they are covered under
other legislation. Even if they are exempt from labels and SDS's employers need to train workers
on health effects and safe storage.
What are the 9 products categories exempt from WHIMS 2015? - ANSWERS-1. Explosives
2. Cosmetics, drugs & Food
QUESTIONS AND ANSWERS7
Self-heating substances and mixtures - ANSWERS-Physical Hazard - may catch fire if exposed to
air.
Substances and mixtures that emit flammable gases if in contact with water - ANSWERS-Physical
Hazard - can react with water to release flammable gases.
Oxidizing Liquids/Solids - ANSWERS-Physical Hazards - may intensify or cause a fire.
Organic Peroxides - ANSWERS-Physical Hazards - may cause a fire or explosion if heated.
Corrosive to Metals - ANSWERS-Physical Hazard
Combustible Dusts - ANSWERS-Physical Hazard - Particles in the air may catch fire or explode if
ignited
Physical Hazards not otherwise classified - ANSWERS-Physical Hazards - covers other physical
hazards that are not covered in any other physical hazard class
T/F
The classification of products under WHMIS 2015/GHS is the responsibility of the employer: -
ANSWERS-False - Under WHMIS 2015 the classification of products is very technical and is the
responsibility of suppliers or manufacturers. Classification requires three main steps: 1.
Identification of relevant data regarding the hazards of the chemical or mixture 2. Review of this
, data relative to the criteria for various classes and categories 3. Assignment of the material to
specific classes and categories.
Define WHIMS - ANSWERS-Workplace Hazardous Material Information System
When did WHIMS come into effect in Canada? - ANSWERS-1988
Define GHS - ANSWERS-Globally Harmonized System for Classification and Labelling of
Chemicals
Will GHS replace WHIMS? - ANSWERS-GHS will not replace WHIMS, rather WHIMS will be
modified to incorporate the new GHS elements
What is the goal of GHS for suppliers? - ANSWERS-To help facilitate international trade, increase
alignment across countries on labels and SDS's and reduce need for testing across classification
systems.
What is the goal of GHS for employers? - ANSWERS-To help create a safer work environment,
reduce costs from compliance and reduce training costs over time
What is the goal of GHS for workers? - ANSWERS-Improve Safety and provide greater hazard
awareness
Why are some products exempt from WHIMS 2015? - ANSWERS-Since they are covered under
other legislation. Even if they are exempt from labels and SDS's employers need to train workers
on health effects and safe storage.
What are the 9 products categories exempt from WHIMS 2015? - ANSWERS-1. Explosives
2. Cosmetics, drugs & Food
