Biohazard Waste

Use a leak proof container with a lid. Store in a secondary container.

Allow venting of container if there is continuing microbial growth.

1. Treat with bleach (9:1) for 30 minutes and pour it down the lab sink
2. Autoclave (i.e. Steam sterilize with weekly use of biological indicators) and then pour it down the sink
3. Contact Lab Safety Officer at labsafe@uoguelph.ca to be scheduled for a designated weekly or on call service for an external vendor “Biohazard” pickup (Offsite Treatment)

e.g., paper towels, gloves, media plates & bench cover.

*For plastics use bench top keeper to contain waste on lab bench.

Store in a rigid, leak-proof lined container with a tight-fitting lid or lined cardboard box.

Maximum storage time in the laboratory: 7 days.

1. Autoclave (i.e. Steam sterilize with weekly use of biological indicators) and then dispose as regular waste
2. Contact Lab Safety Officer at labsafe@uoguelph.ca to be scheduled for a designated weekly or on call service for an external vendor “Biohazard” pickup (Offsite Treatment)

Refrigerate or freeze carcass in a clear bag or orange bag as applicable.

For any questions regarding disposal of bedding or storage of anatomical waste etc. – contact Lab Safety Officer at labsafe@uoguelph.ca

1. Off-campus incineration at an approved waste management facility.
   • For disposal, waste in clear/orange bag must be sealed in a lined cardboard box or collected in single use blue drum (provided by the vendor).
   • Contact Lab Safety Officer at labsafe@uoguelph.ca to be scheduled for a designated weekly or on call service for an external vendor “Biohazard” pickup (Offsite Treatment)
2. Treat via the University’s alkaline digester (currently available for Animal Health Labs only).

Discard in a CSA-approved sharps collector (i.e. leak-proof, rigid, puncture resistant) that prevents sharps from falling out if the container tips over.

Do not bend, break or remove needles from syringes or overfill sharps container

1. Seal when ready for disposal.(For high volume users, a reusable cart or box, to be lined with a yellow bag, may be provided by the vendor).
2. Complete Surplus Chemical and Sharps Disposal Request and tag sharps container with University of Guelph’s yellow hazardous chemical waste tag.
3. Sharps will be picked up by an external vendor.

An off-campus incineration at an approved waste management facility treats this waste.

Contact Lab Safety Officer at labsafe@uoguelph.ca to be scheduled for a designated weekly or on call service for an external vendor “Biohazard” pickup (Offsite Treatment)

1. Autoclave (i.e. Steam sterilize with weekly use of biological indicators) and then dispose as regular waste
2. Contact Lab Safety Officer at labsafe@uoguelph.ca to be scheduled for a designated weekly or on call service for an external vendor “Biohazard” pickup (Offsite Treatment)

1. Autoclave (i.e. Steam sterilize) contact the supplier regarding the inactivation of such materials.
2. Incineration at the approved off-campus waste management facility. Contact Lab Safety Officer at labsafe@uoguelph.ca to be on a designated weekly/on call list for an external vendor “Biohazard” pickup (Offsite Treatment)

(Currently not handled nor included in the HPTA licence)

Conventional methods cannot inactivate Prions. Rather, they require special treatment using an alkaline solution