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8 Cards in this Set
- Front
- Back
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What color and Hazard is at 9 o' clock? |
Health hazard- blue |
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What color and hazard is at 12 o'clock? |
Flammability hazard- red |
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What hazard type and color is at 3 o'clock? |
Instability hazard- yellow |
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What hazard type and color is at 6 o' clock? |
Special hazards- usually white (no specific color) |
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Which two Special hazard symbols are authorized to use by NFPA? |
1) Crossed-out 'W': unusual reactivity with water 2) OX: oxidizer |
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Health Hazard 0-4 |
4- Severe hazard 3- Serious hazard 2- Moderate hazard 1- slight hazard 0- minimal hazard |
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Flammability Hazard 0-4 |
4- flammable gases, volatile liquids, pyrophoric materials 3- ignites at AMBIENT temperatures 2- ignites at MODERATELY HEATED 1- Must be PREHEATED to burn 0- will not burn |
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Instability Hazard 0-4 |
4- Detonation or explosive decomposition at AMBIENT conditions 3- Detonation or explosive decomposition with STRONG INITIATING source 2- Violent CHEMICAL change possible at elevated temperatures and pressure 1- stable but UNSTABLE if heated 0- normally stable |
