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Contamination Control Radiological Safety and Response RPT-243-PE-5
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Learning Outcomes Upon 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 cm 2 and dpm/LAS
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Learning Outcomes Upon 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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Learning Outcomes Upon 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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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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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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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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PC Techniques
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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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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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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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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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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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Overlap Joints Use tape only as directed by the Instructor
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Dosimetry
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Transfer Across Boundary
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Cuff the Bag
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Extend Across the Boundary Tape
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Place Item into the Bag From Inside the Area
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Close the Bag
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Protect the Instruments
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Section 1 Contaminated Area Entry and Survey
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Instructions Timed Follow the Student Guide as a procedure.
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Section 2 Investigate Low Level Shoe Contaminations
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Instructions Follow the Student Guide as your instruction.
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Section 3 Frisk, Complete Documentation
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Instructions Follow the directions in the Student Guide
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What Are Your Questions ?
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