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Radioactive Materials

Aaron Wilmot

Your EHS contact for Radioactive Materials

This program manages the safety and regulatory compliance for the use of unsealed radioactive materials at all Penn State University campuses except the Hershey Medical Center. Procedures, requirements, and guidance are provided through the Rules and Procedures for Users of Radioactive Material link in the Requirements/Guidelines section to the left.

New faculty, staff, or researchers needing to use radioactive materials should review the For New PIs link in the Requirements/Guidelines section.

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Radioactive Materials showing test equipment

Program Applicability

The Radioactive Materials Program applies to Penn State employees, students, and visitors who possess, use, handle, store, or dispose of radioactive materials in teaching, research, or operational activities at Penn State campuses except the Hershey Medical Center and the College of Medicine.

This program primarily applies to individuals working with unsealed radioactive materials, as well as specific licensed and generally licensed radioactive sources used in laboratories and other controlled settings. The program exists to ensure the safe use of radioactive materials and compliance with applicable federal and Commonwealth of Pennsylvania regulations governing radiation safety.

Program Requirements

The Radioactive Materials Program establishes requirements for the authorization, safe use, oversight, and regulatory compliance of radioactive materials at Penn State.

Authorization and Oversight:

  • All use of radioactive materials must be authorized through Penn State’s Radiation Protection Program and approved by the University Isotopes Committee (UIC), as required by University policy and regulatory agencies.
  • Faculty, staff, or researchers new to radioactive material use must complete required authorization steps before beginning work.

Responsibilities of Principal Investigators and Supervisors:

  • Ensure radioactive materials are acquired, used, stored, transferred, and disposed of in accordance with approved procedures
  • Ensure personnel working with radioactive materials receive required radiation safety training
  • Maintain compliance with Penn State rules and applicable regulatory requirements
  • Work with Environmental Health and Safety (EHS) to support inspections, monitoring, and program compliance

Responsibilities of Authorized Users:

  • Follow approved rules, procedures, and safe work practices
  • Use radioactive materials only within the scope of their authorization
  • Complete required training and refresher training as applicable
  • Promptly report spills, incidents, or unsafe conditions involving radioactive materials

Waste Management and Inspections:

  • Radioactive waste must be managed and disposed of in accordance with Penn State’s Radioactive Waste Management Program
  • EHS conducts inspections, surveys, and oversight activities to ensure compliance and radiation safety

Documents and Forms

  • Rules and Procedures for Use of Radioactive Material at The Pennsylvania State University
  • Laboratory Rules for Safe Use of Radioactive Material
  • Information for New Radioactive Material Supervisors
  • Radioactive Material Ordering Procedures
  • Radiation Safety for Ancillary Personnel
  • Good Practices for Liquid Scintillation Counting (LSC)
  • Reducing Contamination When Using S-35
  • Instructions for Obtaining Radioactive Material Authorization
  • Radioactive Material Authorization Application
  • Generally Licensed Source Authorization Application
  • Request for Acting Supervisor of Radioactive Material Authorization
  • Dosimetry Request Form (now on LionSafe)
  • Radioactive Lab Survey Log Sheet

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