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Questions and Answers
describe the injury pyramid
describe the injury pyramid
At-risk behavior and unsafe conditions unsafe actions near miss first aid recordable incidents loss of work day death
Name 2 examples of hazards due to at-risk behavior
Name 2 examples of hazards due to at-risk behavior
not using PPE misusing PPE taking shortcuts taking risk not following safety procedures and practices
2 hazards of confined space
2 hazards of confined space
person being asphyxiated due to inadequate air supply
fire or explosion
person being expose to toxic substances or particles
match the steps in sequence for vapor cloud explosion
match the steps in sequence for vapor cloud explosion
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what is hazard identification?
what is hazard identification?
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name 2 example of hazard identification
name 2 example of hazard identification
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Study Notes
Injury Pyramid
- The injury pyramid consists of four levels: death, permanent total disability, permanent partial disability, and first aid cases
- The majority of incidents result in first aid cases, with fewer incidents resulting in more severe outcomes
Hazards due to At-Risk Behavior
- Horseplay: engaging in playful but potentially dangerous behavior, such as roughhousing or joking around, while on the job
- Not following lockout/tagout procedures: failing to properly shut down and lock out equipment during maintenance, leading to potential injury or death
Hazards of Confined Space
- Oxygen deficiency: insufficient oxygen in the confined space, which can lead to asphyxiation
- Toxic substances: presence of harmful gases or chemicals in the confined space, which can cause illness or death
Vapor Cloud Explosion (VCE) Sequence
- Release: sudden release of flammable vapor into the air
- Dispersion: the vapor cloud spreads and mixes with air
- Ignition: the vapor cloud is ignited, often by an ignition source such as an open flame or spark
- Explosion: the rapid expansion of gases, resulting in a blast wave and heat
Hazard Identification
- The process of identifying and evaluating potential hazards in the workplace
- Identifying hazards allows for the implementation of controls to mitigate or eliminate the risk of injury or illness
Examples of Hazard Identification
- Job Safety Analysis (JSA): a systematic approach to identifying and mitigating hazards associated with specific tasks or jobs
- Hazard and Operability Study (HAZOP): a structured approach to identifying potential hazards and operational problems in a process or system
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