Hazard

any capacity to cause harm to a person or an object.
- an inherent characteristic of a material, condition, machine, or
process.

Risk

chance or probability that a person or entity will be harmed by
a particular hazard.

Risk (Safety Related)

hazard × probability

risk (Health Related)

hazard × exposure

Safety

- can also be defined as the control of hazards to achieve an
acceptable level of risk.

Accident

an undesired event in which, the contact, the exposure may or may not cause
personal injury, damage to property and delay

Lost Time Accident (Fatal or Non-Fatal)

those that will prevent the injured from reporting to work on the working day following the day of injury and
thereafter.

AFR

Accident Frequency Rate

ASR

Accident Severity Rate