The event occurred at a medical broad-scope permittee authorized under the master materials license issued to the Department of Veterans Affairs, NRC License 03-23853-OIVA. The permittee is
VA Medical Center, Durham,
North Carolina.
The event occurred on August 27, 2004, and was discovered at 8:15 AM EDT on the same day. The basis for the event is under 10 CFR 20.1906(d)(2) in that a package received in the nuclear medicine service of the: VA Medical Center, Durham, North Carolina measured 250 mrem/hr at a point on the external surface of the package. Photon Imaging Corporation (a commercial radiopharmacy located in Raleigh, North Carolina) delivered the package containing a Tc-99m baulk vial to the nuclear medicine service of the VA Medical Center, Durham, North Carolina. .A survey of the surface of the delivery container indicated a point on its external surface that measured 250 mrem/hr and 4 mrem/hr @) 1 meter. Wipe surveys, however, did not indicate any removable contamination. Upon inspection of the package, it was discovered that the cap of the shield containing a baulk dose of Tc-99m of 137.6 mCi had inadvertently fallen loose and was no longer shielding the vial. There was no indication that the vial itself was damaged or that any of the Tc-99m had leaked into the package. The permittee user does not anticipate any adverse medical effects to patients, staff or members of the public. The permittee immediately notified the commercial vendor.
The Department of Veterans Affairs will evaluate the circumstances related to the event and submit a written report to NRC Region 3, within 15 days.