OSHA/ANSI Z35.1 | ANSI Z535 | Signal Word | Intended Use | Notes |
---|---|---|---|---|
Danger |
Situation that will result in serious injury or death. | |||
Warning |
Situation could result in serious injury or death. | Not originally part of ANSI Z35.1, but developed in the late 1980s and introduced in 1991. | ||
Caution |
Situation could result moderate or minor injury. | ANSI has a variant without the 'safety alert symbol' symbol, when only significant property damage could occur; in place of the 'Notice' header. | ||
Notice |
Situations that at worst will only result in property damage and will not result in physical injuries. | The ANSI Z535.4 Caution header without a 'safety alert symbol' can be used as an alternative. This header was introduced in 1971, by OSHA, and was not a part of the original Z35.1 standard. | ||
No equivalent |
"Safety First" "Think" "Be Careful" |
Used to give instructions to use protective equipment and general reminders, such as "Walk, Don't Run", "Safety Starts with you", "Report all injuries". | ANSI Z535.4 discontinued these headers. | |
No equivalent |
Safety Instructions |
Used to provide complex instructions on equipment. | The exact wording of this header can vary to better reflect the equipment or procedure, such as 'Lockout procedure', 'Safe shutdown procedure', 'Safe installation instructions'. |