Operations / EHS
Recordable Incident Rate (TRIR / DART / LTIFR) TRIR, DART, LTIFR
How often workers are hurt, normalized to hours worked so a big plant and a small one can be compared, in principle.
The fork, why two teams get different numbers
Two forks, and both are number-changers.
In the Metric Library
- The full fork, both definitions worked all the way through
- The trap that makes the number lie, on a real export
- Every formula variant, spelled out
- The reconciliation anchor, what to tie it to and when to refuse
Reference: OSHA recordkeeping (29 CFR 1904) · US BLS injury/illness convention · ILO / LTIFR usage