Rating Explanation Guide |
| HEALTH HAZARD |
FLAMMABILITY HAZARD |
INSTABILITY HAZARD |
| 4 = Can be lethal |
4 = Below 73 Degrees F |
4 = May explode at
normal temperatures
and pressures |
3 = Can cause serious
or permanent injury |
3 = Above 73 Degrees,
Below 100 Degrees F |
3 = May explode at high
temperature or shock |
2 = Can cause
temporary
incapacitation or
residual injury |
2 = Above 100 Degrees F,
Below 200 Degrees F |
2 = Violent chemical
change at high
temperatures or
pressures |
1 = Can cause significant
irritation |
1 = Above 200 Degrees F |
1 = Normally stable. High
temperatures make
unstable |
| 0 = No hazard |
0 = Will not burn |
0 = Stable |
