radiation protection technology contamination control radiological safety and response rpt-243-pe-5
TRANSCRIPT
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Radiation Protection Technology
Contamination Control
Radiological Safety and ResponseRPT-243-PE-5
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Radiation Protection Technology
Learning OutcomesUpon completion of this lesson, the student will be able to (cont’d):
• Demonstrate the ability to perform a radiological survey including:– Pre-survey preparations– Operational checks on survey instruments– General area radiation and contamination
surveys– Work area radiation and contamination surveys– Counting loose surface contamination surveys
using a GM frisking instrument converting cpm to dpm/100 cm2 and dpm/LAS
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Radiation Protection Technology
Learning OutcomesUpon completion of this lesson, the student will be able to (cont’d):
• Demonstrate the ability to perform a radiological survey including:– Surveying items for contamination with a GM
frisking instrument– Documenting the results– Recommendations of posting adjustments based
on the results
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Radiation Protection Technology
Learning OutcomesUpon completion of this lesson, the student will be able to (cont’d):
• Demonstrate acceptable behaviors when in and upon exiting a contamination area, including:– Proper wearing and removal of appropriate
contamination control clothing– Proper contamination control techniques that
minimize cross contamination– Proper use of the step-off pad for exiting and for
removal of material• Demonstrate the proper use of personnel dosimetry
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Radiation Protection Technology
Outline
• Explanation• Mini-Lecture Dress-Out and Bagging Techniques• Section 1 – Contaminated Area Entry and Survey• Section 2 – Investigation for Contamination Control
Problems
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Radiation Protection Technology
Explanation
• The same team assignments made in PE-1 will continue into this PE.
• This PE has two sections. – The first section involves the teams entering a
contaminated area and performing a contamination survey.
– The second section involves the teams visually inspection an area to determine contamination control problems.
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Radiation Protection Technology
Explanation
• The teams will be held accountable for the use of proper three-part communication and human performance tools during the PE.
• The exercise will start with a mini-lecture on proper PC use and bagging techniques for contamination control.
• A short briefing for the scenario.• At the conclusion of the practical portion, a team
debrief may be held if time permits.
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Radiation Protection Technology
PC Techniques
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Radiation Protection Technology
In General…
• Each station issues procedures that describe the details of their personal protective clothing standards.
• Other techniques may be stipulated through training, department policy or “standing orders” such as: – When disposable PCs are required or – Alternate dressing and undressing techniques
developed locally– The use of tape vs. launderable items
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Radiation Protection Technology
The ATC-RPT Standard
• For the purposes of our PEs, the PC standards that will be used are shown in the following pictures and as described here:– Unless specifically directed, joints are not taped– The wet paint technique is observed for SOP
barrier ropes and tape– All items leaving a posted contaminated area
must be surveyed clean or bagged – except an individual’s EAD.
– Cuff all bags for transferring at SOPs.
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Radiation Protection Technology
The ATC-RPT Standard
• For the purposes of our PEs, the PC standards that will be used are shown in the following pictures and as described here:– The EAD is to be worn in a whirl pack in the chest
pocket of the PC coveralls– The TLD and security badge are worn under the
coveralls but within one hand’s breadth of the EAD.
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Radiation Protection Technology
The ATC-RPT Standard
• For the purposes of our PEs, the PC standards that will be used are shown in the following pictures and as described here:– Upon exiting the Contaminated Area:
• Before removing the gloves, squeeze the EAD out of the whirl-pack onto the edge of the SOP
• Upon stepping on the SOP, place the EAD on the lanyard with the TLD
• Frisk the combo when a hand, foot, and face frisk is done
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Radiation Protection Technology
The ATC-RPT Standard
• Portable instrumentation taken into posted Contaminated Areas shall be wrapped or bagged in clear plastic to prevent cross contamination.
• The Instrument wrapping may be wiped with a Maslin upon removal from the CA.
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Radiation Protection Technology
Overlap Joints
Use tape only as directed by the Instructor
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Radiation Protection Technology
Dosimetry
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Radiation Protection Technology
Dosimetry
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Radiation Protection Technology
Transfer Across Boundary
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Radiation Protection Technology
Cuff the Bag
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Radiation Protection Technology
Extend Across the Boundary Tape
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Radiation Protection Technology
Place Item into the Bag From Inside the Area
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Radiation Protection Technology
Close the Bag
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Radiation Protection Technology
Close the Bag
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Radiation Protection Technology
Protect the Instruments
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Radiation Protection Technology
Section 1Contaminated Area Entry and Survey
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Radiation Protection Technology
Instructions
• Timed• Follow the Student Guide as a procedure.
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Radiation Protection Technology
Section 2Investigate Low Level Shoe
Contaminations
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Radiation Protection Technology
Instructions
• Follow the Student Guide as your instruction.
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Radiation Protection Technology
Section 3Frisk, Complete Documentation
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Radiation Protection Technology
Instructions
• Follow the directions in the Student Guide
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Radiation Protection Technology
What Are Your Questions ?