Solids

Includes lab consumables and materials such as gloves, culture flasks, well plates, conical tubes that have come in contact with recombinant or synthetic nucleic acids, human-derived and BSL 1 and 2 materials.

Collection

Solids should be collected in a solid-walled, leak-proof container that is labeled as a biohazard.

Treatment and Disposal

All waste materials that have come in contact with BSL 2 agents and/or materialsthat could potentially cause infections in humans or animals must be treated prior to disposal as regulated medical waste.  The preferred method of treatment is autoclaving.   After the waste has been autoclaved, place into regulated medical waste disposal box.

When bag is full or has been autoclaved, place solid wastes into cardboard regulated medical waste boxes that have been lined with a red biohazard bag.

Seal regulated medical waste boxes using tape

  • Label the box and the bag with the following information:
    • Princeton University
    • Princeton, NJ 08540
  • Do not place more than 35 pounds of waste into each cardboard box.
  • Seal the box using clear tape.
  • Place sealed and labeled box into corridor or bring to your department’s designated regulated medical waste storage area.

Regulated medical waste boxes and bags must be labeled.