Disposal
follow special disposal procedures
Biological
organisms or other biological materials that might be harmful
Extreme Temperature
objects that can burn skin by being too cold or too hot
Sharp Objects
Use of tools or glassware that can easily puncture or slice skin
Fume
possible danger to respiratory tract from fumes
Electrical
possible danger from electrical shock or burn
irritant
substances that can irritate the skin or mucous membrane of the respiratory tract
chemical
chemicals that can react with and destroy tissue and other materials
Toxic
substance may be poisonous if touched, inhaled or swallowed
Flammable
open flame may ignite flammable chemicals , loose clothing or hair
Open flame
open flame in use, may cause fire
Eye Safety
proper eye protection should be worn
Clothing Protection
substances could stain or burn clothing, wear protection
Animal Safety
safety of animals and students must be ensured
Radioactivity
caution, radioactive materials in use
Handwashing
after the lab, wash hands with soap and water before removing goggles