ASME (ANSI Z535) and the Occupational Safety and Health Administration (OSHA 1910.145) Specifications for Accident Prevention Signs require the use of safety signs to indicate and define specific hazards that, without identification, may lead to accidental injury to workers and/or the public or to property damage.

Use the guide below to determine what sign classification is necessary for your application. Shown below in the Header Type: the OSHA header style is on top and the ANSI header style is on the bottom.

Header Type	Description of Use
	Use for: Hazardous situations with a high probability of death or severe injury. Do not use for: Property damage unless personal injury risk is present.
	Use for: Hazardous situations that have some probability of death or severe injury. Do not use for: Property damage unless personal injury risk is present.
	Use for: Hazardous situations which may result in minor or moderate injury. Do not use for: Situations when there is a possibility of death or severe injury.
	Use for: Indicating a statement of company policy as the message relates directly or indirectly to the safety of personnel or protection of property. Do not use for: Hazardous situations where death or severe injury may occur.
	Use for: Indicating general instructions relative to safe work practices, reminders of proper safety procedures and the location of safety equipment.

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