1. Signs and Tags

2. Safety colors v Safety red FireFire DangerDanger StopStop v Safety orange WarningWarning 1a

3. Safety colors v Safety yellow CautionCaution v Safety green SafetySafety v Safety blue NoticeNotice 1b

4. Safety symbols v Triangle- or diamond-shaped signs Hazard alertsHazard alerts Uses orange or yellow for colorUses orange or yellow for color 2a

5. Safety symbols v Mandatory action symbols Inform of some type of necessary actionInform of some type of necessary action Circular, blue in colorCircular, blue in color 2b

6. Safety symbols v Square or rectangular signs Provide general informationProvide general information Green in colorGreen in color 2c

7. Safety symbols v Symbol within a circle with a slash going from upper left to lower right Denote prohibitionsDenote prohibitions 2d

8. Safety labels v Hazard communication labels Alert of flammability, health effects, reactivity, special hazardsAlert of flammability, health effects, reactivity, special hazards Provided in a variety of formatsProvided in a variety of formats 3a

9. Safety labels v National Fire Protection Association 3b

10. Safety labels v Hazardous Materials Identification System 3c

11. Safety labels v Piping labels Flammable, chemically reactive, radioactive, hot, cold - yellow in colorFlammable, chemically reactive, radioactive, hot, cold - yellow in color Liquid, non-flammable mixtures - green in colorLiquid, non-flammable mixtures - green in color Gaseous mixtures - blue in colorGaseous mixtures - blue in color Fire-quenching materials - red in colorFire-quenching materials - red in color 3d

12. Summary of main points v Safety red identifies: Fire, Danger, Stop v Safety orange indicates: Warning v Safety yellow denotes: Caution 4a

13. Summary of main points v Safety green denotes: Safety v Safety blue indicates: Notice v Triangle- or diamond-shaped signs are for hazard alerts 4b

14. Summary of main points v Mandatory actions symbols are circular v Information appears in square or rectangular-shaped signs 4c

15. Summary of main points v Workplace prohibitions: Contain a symbol in a circleContain a symbol in a circle Have a slash going from upper left to lower rightHave a slash going from upper left to lower right 4d

16. Summary of main points v Pipes carrying: Flammable, chemically active, radioactive, hot or cold substances are labeled yellowFlammable, chemically active, radioactive, hot or cold substances are labeled yellow Liquid, non-flammable mixtures are labeled greenLiquid, non-flammable mixtures are labeled green Gaseous mixtures are labeled blueGaseous mixtures are labeled blue Fire-quenching material is labeled redFire-quenching material is labeled red 4e