CHEM 114 M Lab Final (Dr. Kriley)

Hazardous Materials Classificaton Colors

White, Yellow, Blue, and Red

Heath Hazard - 4 (blue)

Deadly

Health Hazard - 3 (blue)

Extreme danger

HEALTH HAZARD - 2 (blue)

hazardous

Health Hazard - 1 (blue)

slightly hazardous

Health Hazard - 0 (blue)

normal material

FIRE HAZARD - 4 (red)

Below 73 degrees Fahrenheit

FIRE HAZARD - 3 (red)

below 100 degrees Fahrenheit

FIRE HAZARD - 2 (red)

below 200 degrees Fahrenheit

FIRE HAZARD - 1 (red)

above 200 degrees Fahrenheit

FIRE HAZARD - 0 (red)

will not burn

SPECIFIC HAZARD - OX (white)

oxidizer

SPECIFIC HAZARD - ACID (white)

acid

SPECIFIC HAZARD - ALK (white)

alkali

SPECIFIC HAZARD - COR (white)

corrosive

SPECIFIC HAZARD - -W- (white)

use NO water

SPECIFIC HAZARD - 3/6 section circle (white)

radiation hazard

INSTABILITY - 4 (yellow)

may detonate

INSTABILITY - 3 (yellow)

shock and heat may detonate

INSTABILITY - 2 (yellow)

violent chemical change

INSTABILITY - 1 (yellow)

unstable if heated

INSTABILITY - 0 (yellow)

stable

What does LD50 mean?

Lethal dose (killed 50%)

What does TLV mean?

Threshold Limit Value (usually in mg/m^3)