procedure for disposal of empty chemical containers
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is the responsibility of the Principal Investigator or Supervisor to identify hazards within the workplace and to make a suitable and sufficient assessment of the risks to health associated with working with these hazards. Use the formand g to comply with the Control of Substances Hazardous to Health Regulations 2002.
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Most plastic containers and glass containers (that held solvents, acids or bases) are recyclable.
It is very important to appropriately dispose of empty hazardous material containers to avoid
concerns as to whether there are still any hazards present. These containers must be empty
and dry, with no chemical residue. If the rinse (water or other suitable solvent) used to clean a
container is hazardous, it must be collected as hazardous waste and disposed of accordingly.
NOTE: If residue remains in the container after triple-rinsing (by means of rinsing with a suitable
solvent, inverting, shaking and/or scraping) and the residue is hazardous, it must be disposed of
as hazardous waste. It cannot be recycled. Bear in mind that these containers will ultimately be
hand sorted by recycling employees.
PLASTIC CHEMICAL CONTAINERS
Triple-rinse and recycle all uncontaminated plastic chemical containers (with defaced labels)
Procedures:
• Remove, clean and discard lid.
• Triple-rinse container with water, or suitable solvent.
• If rinse is hazardous, it must be collected as hazardous waste and discarded
• accordingly.
• Deface the label (use a pen to mark an ‘X’ through the original contents, or rip the
• label off) and write ‘Rinsed Bottle’ on it.
• Place clean and dry plastic in recyclables bin.
Not acceptable:
Hard plastic (e.g. lids or trays)
GLASS CHEMICAL CONTAINERS
Triple-rinse and recycle uncontaminated glass chemical containers that held solvents,
acids or bases (with defaced labels)
Procedures:
• Remove, clean and discard lid.
• Triple-rinse container with a suitable solvent.
• If rinse is hazardous, it must be collected as hazardous waste and discarded accordingly.
• Deface the label (use a pen to mark an ‘X’ through the original contents, or rip the label off)
and write ‘Rinsed Bottle’ on it.
• Place clean and dry glass container in recyclables bin.
Not acceptable:
• Lab glassware (e.g. beakers, test tubes)
• Broken glass
Broken Glass:
Place all uncontaminated broken glass in a sturdy, puncture-resistant container (e.g. cardboard box). Once full,
seal the container and label it ‘Broken Glass’ and place for disposal along with normal building garbage.
Contact the Dalhousie Environmental Services for Recycling and Disposal Options.
Contact the Dalhousie Environmental Health and Safety Office for information on hazardous waste.
It is very important to appropriately dispose of empty hazardous material containers to avoid
concerns as to whether there are still any hazards present. These containers must be empty
and dry, with no chemical residue. If the rinse (water or other suitable solvent) used to clean a
container is hazardous, it must be collected as hazardous waste and disposed of accordingly.
NOTE: If residue remains in the container after triple-rinsing (by means of rinsing with a suitable
solvent, inverting, shaking and/or scraping) and the residue is hazardous, it must be disposed of
as hazardous waste. It cannot be recycled. Bear in mind that these containers will ultimately be
hand sorted by recycling employees.
PLASTIC CHEMICAL CONTAINERS
Triple-rinse and recycle all uncontaminated plastic chemical containers (with defaced labels)
Procedures:
• Remove, clean and discard lid.
• Triple-rinse container with water, or suitable solvent.
• If rinse is hazardous, it must be collected as hazardous waste and discarded
• accordingly.
• Deface the label (use a pen to mark an ‘X’ through the original contents, or rip the
• label off) and write ‘Rinsed Bottle’ on it.
• Place clean and dry plastic in recyclables bin.
Not acceptable:
Hard plastic (e.g. lids or trays)
GLASS CHEMICAL CONTAINERS
Triple-rinse and recycle uncontaminated glass chemical containers that held solvents,
acids or bases (with defaced labels)
Procedures:
• Remove, clean and discard lid.
• Triple-rinse container with a suitable solvent.
• If rinse is hazardous, it must be collected as hazardous waste and discarded accordingly.
• Deface the label (use a pen to mark an ‘X’ through the original contents, or rip the label off)
and write ‘Rinsed Bottle’ on it.
• Place clean and dry glass container in recyclables bin.
Not acceptable:
• Lab glassware (e.g. beakers, test tubes)
• Broken glass
Broken Glass:
Place all uncontaminated broken glass in a sturdy, puncture-resistant container (e.g. cardboard box). Once full,
seal the container and label it ‘Broken Glass’ and place for disposal along with normal building garbage.
Contact the Dalhousie Environmental Services for Recycling and Disposal Options.
Contact the Dalhousie Environmental Health and Safety Office for information on hazardous waste.
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