The table below lists the number of OSHA-170 abstracts by keyword value. The keywords are established at the time the abstract is reviewed.

KeyWord Occurances - 23106
Unconsciousness1670 Underpinning10 Undrgrd Installation102
Undrgrd Power Line136 Uneven Ground290 Unguarded5412
Unguarded Fl Opening395 Unguarded Live Parts172 Universal Joint6
Unmanned412 Unsecured5897 Unsecured Panel127
Unstable Load1138 Unstable Position3044 Unstable Soil576
Unstable Surface634 Untrained2404 Ureter1
Utility Pole680