Summary lesson of Hazard identification and risk assesment.
》Hazard identification and risk assessment
》Danger grouping
>Health hazards
•Physical harm-noisy, radiation, temperature, quaver, pressurization.
•Chemical dangers-chemicals solid, liquid, gas, toxic, irritating
etc
• Biological danger-pathogenic, microorganisms
• the dangers of ergonomic-a design of the workplace, a sitting position etc
• mechanical hazards – movement, disjointed,strangulated,struck down,Punctured,etched, etc.
• the danger of electricity-because of electricity, electrocution.
》Risk grouping
Occupational health risks affected:
Concentration and dosage
>Impact rate: fatality, very serious, serious.
Moderate, low, trivial
Probability/possibility
Exposure frequency
Exposure duration
