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Occupa onal Health and Safety
The iden fica on, evalua on, and control of hazards associated with the work environment
Hazard
Any source of poten al adverse health effect, damage, or harm on something or someone
under certain condi ons at work
Occupa onal Injury
Any cut, fracture, sprain, or amputa on resul ng from a workplace incident
Occupa onal Illness
Any abnormal condi on or disorder caused by exposure to environmental factors associated
with employment
Lost- me Injury
A workplace injury that results in the employee missing me from work
Industrial Revolu on Effect on Health
Brown lung disease is caused by excessive inhala on of dust
Assump on of Risk
Belief that a worker accepted the risks of employment when he or she accepted a job
Accident Proneness
The no on that some individuals are inherently more likely than others to be involved in
accidents, as a result of individual characteris cs
Due Diligence
Expected standard of conduct that requires employers to take every reasonable precau on to
ensure safety
Internal Responsibility System (IRS)
The system of shared responsibility for health and safety that is the basis for most Canadian
OH&S legisla on
,Tradi onal views of safety are emphasized by the three E's:
Engineering, educa on, enforcement
Act
Federal, provincial, or territorial law that cons tutes basic regulatory mechanism for
occupa onal health and safety
Regula ons
Explain how general intent of the act will be applied in specific circumstances
Guidelines and Policies
More specific rules that are not legally enforceable unless referred to in a regula on or act
Standards and Codes
Provide prac cal guidance on the implementa on of OH&S prac ces; o7en established by
agencies such as the CSA or ILO
General Duty
OH&S acts have the general duty provision requiring employers to take every reasonable
precau on to ensure employee safety
Prescribed Duty
A par cular duty to be undertaken because of health and safety regula on
Constructor/Primary Contractor
Oversees the construc on of a project and is ul mately responsible for the health and safety of
all involved workers
Supervisor Prescribed Du es
Ensuring workers comply with OH&S regula on, ensuring workers use or wear safety
equipment, devices, or clothing and advising workers of possible hazards
GHS (Global Harmonized System)
An interna onal standard for the classifica on and labelling of chemicals being adopted by
countries around the world
What are the backbones of workplace health and safety
Hazard iden fica on, risk assessment, and control
, Risk
The probability or the extent to which a hazard is likely to cause harm to people, processes, or
equipment
Risk Assessment
The process of hazard and risk iden fica on, analysis, and control
Risk Percep on
An individual's interpreta on of the poten al for harm and their concern for the consequences,
which influences how they behave in response to that hazard
Incident
An event or occurrence that had or could have had a nega ve impact on people, property, or
processes
Probability
Chance or likelihood that an event will occur and will result in harm or loss
Consequences
The results or severity of the injury
Posi ve Tree
Illustra on of how job should be done
Fault Tree
Illustra on of things that can go wrong
Injury
Any trauma, physical or mental, direct or indirect, acute or chronic, experienced by a human
being
Overt Trauma c Injuries
Common cause of workplace accidents is individuals coming into contact with object and
equipment
Overexer on Injuries
Injuries resul ng from excessive physical effort, repe ve mo ons, and possibly, awkward
working posi ons