Section 34.49 - Radiation surveysThe licensee shall:
(a) Conduct surveys with a calibrated and operable radiation survey instrument that meets the requirements of § 34.25 .(b) Using a survey instrument meeting the requirements of paragraph (a) of this section, conduct a survey of the radiographic exposure device and the guide tube after each exposure when approaching the device or the guide tube. The survey must determine that the sealed source has returned to its shielded position before exchanging films, repositioning the exposure head, or dismantling equipment.(c) Conduct a survey of the radiographic exposure device with a calibrated radiation survey instrument any time the source is exchanged and whenever a radiographic exposure device is placed in a storage area (as defined in § 34.3 ), to ensure that the sealed source is in its shielded position.(d) Maintain records in accordance with § 34.85 .