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Laboratory Hazards Poster


The "Laboratory Hazards" poster is to provide uWaterloo Police 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:


Quantity Limit


Flammable liquids More than 10 L Acetone, ethanol
Flammable Solids Any  Nitrocelulose membranes
Spontaneous combustible Any  Phosphorus
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 acid
Sodium hydroxide
Nano Material Any 


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

Compressed Gas(piped in natural gas or nitrogen is not included)

Non-Flammable and non - Toxic Any more than 1 large cylinder Helium
Flammable Any  Hydrogen
Poisonous Any  Hydrogen Sulfide
Oxidizing Any  Oxygen
Corrosive Any  Ammonia
Biohazard Use of Human Blood or body fluids Permit issued by BioSafety Safety Committee
Magnetic Fields 1 Telsa NMR
High Voltage More than 750 Volts 30 amps or more
Cryogenic Liquids 10 L Liquid Nitrogen


Poster Instructions

The poster is an Interactive PDF located at:

Laboratory Hazards Poster

  1. Save the poster to your hardrive or desktop.( some browzers do not work well with interactive PDF files)
  2. Open with Adobe Reader XI works well
  3. Click on "No" to remove a hazard from the poster.
  4. Click on "Yes" to add the hazard to the poster
  5. Complete the contact information
  6. Save poster for futher modification
  7. Once you have completed the poster Print in colour or send as attachment to
  8. It will be printed and forwarded to you via interoffice mail

If you have any questions please contact the Safety Office at ext. 33587.