FUN 1 EO: 1.51 - Radiation Protection Tech.

FUN 1 EO: 1.51

1 / 7

What could be one of the serious consequences of leaching?

Decrease in contamination levels over a short time

Increased ability to control the spreading of contamination

Materials being found contaminated after being released from a radiologically controlled area

Rapid elimination of all contaminants from a surface

2 / 7

Which factor does NOT influence whether contamination is fixed or loose?

Distance from the original contamination point

Ambient air conditions

Chemical bonding

Electrostatic forces

3 / 7

What is the phenomenon where hours or days after decontamination, the contamination levels have increased, due to migration of contaminants to the surface?

Bonding

Abrasion

Leaching

Scaling

4 / 7

Which form of contamination is described as radioactive material that cannot be removed from a surface or is absorbed into the surface?

Loose Contamination

Fixed Contamination

Surface Contamination

Airborne Contamination

5 / 7

How can cross-contamination be spread?

Use of proper ventilation systems and protective clothing

Storing all contaminants in a sealed containment unit

Contaminated dust becoming airborne, improper decontamination techniques, transfer to personnel clothing, and releasing of contaminated equipment

Regular monitoring and decontamination of equipment

6 / 7

What can result in Loose Surface Contamination?

Use of proper decontamination techniques and work habits

Grinding, peeling of contaminated painted surfaces, scaling, or drying of contaminated components

Controlled disposal of radioactive waste materials

Storing radioactive materials in lead containers

7 / 7

What is the definition of cross-contamination in the context of radioactive contamination?

The strategic placement of radioactive materials in specific locations.

The uncontrolled spreading of radioactive contamination on/into people, places, or things.

The controlled isolation of radioactive materials within secure areas.

The removal of all radioactive substances from surfaces and objects.

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