School Infection Control Handbook - 2010

Appendix B: Selection of Products, Dispensing Equipment, and Application Systems

Appendix B.3. Interpreting Information from Hazardous Materials Rating Systems: National Fire Protection Association and Hazardous Materials Information System Note: This document provides a detailed explanation of the National Fire Protection Association (NFPA) and the Hazardous Materials Information System (HMIS). It complements Chapter 4.E. Using Information from Hazardous Materials Rating Systems for Product Selection .

Interpretation of colored symbols – Each system rates health (blue box), flammability (red box), and instability or physical hazard (yellow or orange box) on a scale from 0 to 4, with 0 being the safest and 4 being the most hazardous.

Health Hazard 4 Deadly – very short exposure could cause death or serious injury 3 Extreme Danger – short exposure could cause serious injury 2 Hazardous – intense or continued exposure could cause injury 1 Slightly Hazardous – exposure could cause irritation 0 Not Hazardous Flammability 4 Extremely flammable; will rapidly or completely vaporize at normal pressure and temperature 3 Ignites at normal temperatures 2 Ignites when heated 1 Ignites when moderately heated 0 Materials that will not burn

Health

Health Flammability Physical Hazard PPE

Flammability

Health Flammability Physical Hazard PPE

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