Definition: Wastes contaminated with potentially infectious agents or animal carcasses and other tissues. Examples include:

  • Human tissues, blood, blood products other body fluids
  • Wastes from contact with patients/subjects
  • Laboratory cultures/wastes contaminated with infectious agents
  • Live vaccines
  • Syringes, hypodermic needles, scalpel blades and other sharps
  • Animal carcasses and tissues
  • Contaminated bedding
  • Other contaminated items

Packaging Guidelines

If DiscardingThen
Autoclavable or chemically treatable wastes
  1. Using autoclave manufacturer's procedure, disinfect the autoclave.
  2. Periodically test using recommended monitoring program.
Human blood, tissues, other bodily fluids and medical wastes
  1. Place in leak-proof and puncture-proof package; e.g., Plastic bag in cardboard etc. (Weight not to exceed 80 lb.)
  2. Attach biohazard label, identify contents, generator, date and special hazard if any.
  3. Freeze or refrigerate not more than three days.
  1. Place needles and syringes intact in a leak-proof and puncture-resistant container. This will prevent aerosol generation by clipping needles.
  2. Close and secure opening of container with tape if necessary.
  3. Label with "Biohazard Tag."
Animal carcass/tissues and contaminated bedding
  1. Place in leak-proof package (see above).
  2. Label appropriately as above.
  3. Freeze or refrigerate not more than three days.
Other biohazardous wastesPackage in accordance with appropriate category listed above or call EEM for info.

Disposal Information

If DiscardingThen
Autoclavable and chemically treated wastes
  1. Treat according to manufacturer's instructions or accepted lab procedures.
  2. After treatment, waste should be handled as general waste (see general waste).
Medical wastes, sharps and contaminated bedding, other biohazardous materialsCall EEM at 978-934-2543 to arrange for pickup and incineration.