A licensee shall file a report within 5 days if a leak test required by Sec. 35.67 reveals the presence of 185 Bq (0.005 [micro]Ci) or more of removable contamination. The report must be filed with the appropriate NRC Regional Office listed in Sec. 30.6 of this chapter, by an appropriate method listed in Sec. 30.6(a) of this chapter, with a copy to the Director, Office of Nuclear Material Safety and Safeguards. The written report must include the model number and serial number, if assigned, of the leaking source; the radionuclide and its estimated activity; the results of the test; the date of the test; and the action taken. [73 FR 5720, Jan. 31, 2008]