Laboratory Hazards Poster

The Laboratory Hazards Poster provides University of Waterloo Special Constable Service and Waterloo Fire Rescue quick and easily understood information about the various chemical and physical hazards in you laboratory.


The chemical hazard poster is to be located adjacent to the doors of all laboratories containing the following items:

Material Quantity limit Example
Flammable liquids More than 10L Acetone, ethanol
Flammable solids Any Nitrocellulose membranes
Spontaneously combustible Any Phosphorous
Water reactive Any Sodium metal
Oxidizing Any more than 10L Hydrogen peroxide
Organic peroxides More than 250 ml epoxy hardeners
Poisonous More than 10L Sodium cyanide
Corrosive More than 10L Hydrochloric and sodium hydroxide
Nano material Any


Material in the size range of the size range from approximately 1nm to 100nm.

Non-flammable and non-toxic gas Any more than 1 large cylinder Helium
Flammable gas Any Hydrogen
Poisonous gas Any Hydrogen sulfide
Oxidizing gas Any Oxygen
Corrosive gas Any Ammonia
Biohazard Use of human blood or bodily fluids Permit issued by Biosafety safety committee
Magnetic fields 1 Telsa NMR
High voltage More than 750 volts 30 amps or more
Cryogenic liquids 10L Liquid nitrogen

Downloading the poster

The poster is an interactive PDF that must be opened in Adobe. It will not work with in-browser pdf viewers. Follow these instructions to download the poster:

  1. Read all instructions before you begin.
  2. Right-click this link and choose "Save Link As".
  3. Save it to a location on your computer. 
  4. Open the file with Adobe and follow the instructions below. 

Using the poster

  • Click on "No" to remove a hazard from the poster.
  • Click on "Yes" to add the hazard to the poster.
  • Complete the contact information.
  • Save poster for further modification.
  • Once you have completed the poster, print in colour or send as attachment to
  • It will be printed and forwarded to you via interoffice mail.