How to Calculate Total Recordable Incident Rate OSHA uses TRIR, among several other methods, to gauge a company’s safety performance. The resulting calculation reflects the number of recordable injuries per 100 full-time workers during a one-year period. TRIR looks at the number of total recorda...
Further reading:How to Calculate Total Recordable Incident Rate
The DART rate is based on the percentage of days lost per 100 workers. The calculation depends on the total hours worked for all of the company's employees and how it compares to OSHA's standard annual base hours -- 200,000 hours is the standard base hours worked for 100 people, accord...