Carnegie Mellon University

Radioactive Waste

The Pennsylvania Department of Environmental Protection defines radioactive waste as radioactive material that no longer has a use.  Commonly used radioactive materials are Phosphorus-32, Hydrogen-3, and Cobalt-57.

Items collected as radioactive waste includes, but is not limited to:

  • Dry radioactive waste
  • Liquid radioactive waste
  • Sealed radioactive sources
  • Other items contaminated with radioactive materials