IRRSP - Industrial Radiography Radiation Safety Personnel Emergency and Abnormal Events Questions and Answers

Question 1

A radiographer's transport vehicle is involved in a traffic accident. After confirming no medical emergencies exist, what is the radiographer's first and most critical radiological safety action?

Accepted Answer

Perform a thorough radiation survey of the exposure device and the immediate area to verify shielding integrity.

Answer

Immediately notify the company's Radiation Safety Officer (RSO).

Answer

Exchange insurance information with the other driver and then survey the equipment.

Answer

Remove the exposure device from the vehicle and place it at least 50 feet away from the accident scene.

Question 2

A radiographic exposure device is discovered missing from a locked vehicle at a job site. After securing personal safety, what is the radiographer's most critical immediate notification?

Accepted Answer

Immediately notify the licensee's Radiation Safety Officer (RSO).

Answer

Immediately notify the client for whom the radiographic work was being performed.

Answer

Immediately notify local law enforcement to report the theft.

Answer

Immediately call other radiographers in the area to help search for the device.

Question 3

An industrial radiography crew successfully performs an emergency retrieval of a disconnected source. Which of the following is a mandatory action the licensee must take after the event?

Accepted Answer

Submit a written report detailing the event to the NRC or Agreement State within 30 days.

Answer

Re-certify all personnel involved in the retrieval within 48 hours.

Answer

Take the exposure device out of service permanently, regardless of its condition.

Answer

Issue a press release to the local media explaining the situation and the successful retrieval.

Question 4

During an emergency source retrieval operation, which of the following is the most critical element for minimizing the dose received by the response team?

Accepted Answer

Developing a specific, detailed plan and rehearsing it before approaching the source.

Answer

Wearing two sets of personnel dosimeters to ensure an accurate dose reading.

Answer

Having the RSO personally handle the source with long-handled tongs.

Answer

Ensuring the retrieval is performed by the most senior radiographer on site.

Question 5

A radiographic exposure device is dropped and sustains visible damage to the housing, but a survey confirms the source remains safely shielded. What is the correct course of action?

Accepted Answer

Remove the device from service immediately for inspection and recertification by the manufacturer or other authorized person.

Answer

Wrap the damaged area with high-strength tape and continue work, but report the damage at the end of the shift.

Answer

Perform several test exposures in an un-occupied area to ensure the crank mechanism still works properly.

Answer

Note the damage in the daily log and schedule a maintenance check for the next quarterly inspection.

Question 6

Which of the following events at a temporary job site would require the licensee to make an *immediate* report to the NRC or Agreement State Operations Center?

Accepted Answer

An event that causes an individual to receive an actual or threatened whole-body dose of 25 rem (0.25 Sv) or more.

Answer

An individual's alarming ratemeter goes off, but their pocket dosimeter shows a negligible reading.

Answer

The discovery that a survey meter's calibration due date was passed by one day.

Answer

A fire on-site that requires the evacuation of personnel but does not damage any radiographic equipment.

A radiographer's transport vehicle is involved in a traffic accident.After confirming no medical emergencies exist, what is the radiographer's first and most critical radiological safety action?

A radiographer's transport vehicle is involved in a traffic accident.
After confirming no medical emergencies exist, what is the radiographer's first and most critical radiological safety action?