Source Management and Security Flashcards

How often must sealed sources used in industrial radiography be leak tested under 10 CFR 34?

Answer: Every 6 months

10 CFR 34.27 requires that sealed sources be leak tested at intervals not to exceed 6 months.

What level of removable contamination indicates that a sealed source is leaking under NRC regulations?

Answer: 185 Bq (0.005 µCi)

10 CFR 34.27 defines a leaking source as one with removable contamination exceeding 185 Bq (0.005 µCi).

Within what timeframe must a licensee notify the NRC of a lost or stolen sealed source by telephone?

Answer: Within 4 hours

10 CFR 34.91 requires immediate telephone notification to the NRC within 4 hours of discovering a missing, lost, or stolen source.

What document must a licensee maintain to ensure accountability of each sealed source in its possession?

Answer: Source inventory record

10 CFR 34.31 requires licensees to maintain an inventory record for each sealed source to ensure continuous accountability.

Which of the following is required when a source change is performed on an industrial radiography exposure device?

Answer: The source change must be documented and the new source inventoried

Source changes must be fully documented and the new source added to inventory records to maintain accountability as required under 10 CFR 34.

How long must sealed source inventory records be retained under NRC regulations?

Answer: 3 years after the record is made

10 CFR 34.87 specifies that records of sealed source inventory must be retained for 3 years after the record is made.

What is the primary purpose of the physical protection requirements in 10 CFR 37 for Category 1 and 2 radioactive materials?

Answer: To prevent unauthorized access, loss, or theft of radioactive materials

10 CFR 37 establishes physical protection requirements to prevent unauthorized access and theft of Category 1 and 2 radioactive materials.