IRRSP Source Management and Security

Question 1

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

Accepted Answer

Every 6 months

Answer

Monthly

Answer

Annually

Answer

Every 3 months

Question 2

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

Accepted Answer

185 Bq (0.005 µCi)

Answer

100 Bq (0.003 µCi)

Answer

370 Bq (0.010 µCi)

Answer

1,000 Bq (0.027 µCi)

Question 3

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

Accepted Answer

Within 4 hours

Answer

Within 24 hours

Answer

Within 72 hours

Answer

Within 30 days

Question 4

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

Accepted Answer

Source inventory record

Answer

Shipping manifest

Answer

Survey log

Answer

Personnel dosimetry report

Question 5

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

Accepted Answer

The source change must be documented and the new source inventoried

Answer

The NRC must be notified before the source change

Answer

Only the manufacturer may perform source changes

Answer

The source change must occur only at a licensed fixed facility

Question 6

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

Accepted Answer

3 years after the record is made

Answer

1 year after the record is made

Answer

5 years after the record is made

Answer

Until the license expires

Question 7

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

Accepted Answer

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

Answer

To document emergency contact information for first responders

Answer

To ensure proper environmental monitoring near storage areas

Answer

To track cumulative occupational dose to radiation workers