Safety Information

Definitions

- EMR = Experience Modification Rate (typically provided by insurance company)
- RIR = OSHA Recordable Incident Rate (all the information needed to calculate this rate is on your company’s OSHA 300A Summary)
- DART = Total Days Away From Work, Job Transfer or Restriction Case Incident Rate (all the information needed to calculate this rate is on your company‘s OSHA 300A Summary)

# FORMULAS for CALCULATING RATES

*OSHA **Recordable Incident Rate **Lost Time Case Rate*

*Lost Work Day Rate (LWD)*

*DART Rate (Days Away/Restricted or Job Ti-ansfei Rate) **Severity Rate*

**USEFUL DEFINITIONS**

**OSHA RECORDABLE INCIDENT RATE **– a mathematical calculation that describes the number of employees per 100 full-time employees that have been involved in a recordable injury or illness.

**TOTAL INCIDENT RATE **— a mathematical calculation that describes the number of recordable incidents per 100 full-time employees in any given time frame.

**LOST TIME CASE RATE **— a mathematical calculation that describes the number of lost time cases per 100 full-time employees in any given time frame.

**LOST WORKDAY RATE **— a mathematical calculation that describes the number of lost workdays per 100 full-time employees in any given time frame.

**SEVERITY RATE **— a mathematical calculation that describes the number of lost days experienced as compared to the number of incidents experienced.

**DART RATE **– a mathematical calculation that describes the number of recordable incidents per 100 full time employees that resulted in lost or restricted days or job transfer due to work related injuries or illnesses.

Please note that MSDS sheets are no longer acceptable under OSHA standards.