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9: Caution Signage and Detection Devices

  • Page ID
    153952
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    Learning Objectives

    ANSI/ASNT CP-105- 2016 Section 2, 3

    Upon completion of this unit, the student will be able to define and understand the following:

    • Review of Units 1, 2, 3, 4, 5, 6, 7 & 8
      • Safety….
      • Math Review
      • Gamma & X-ray
    • Safety Signage & Personnel Monitoring Equipment
      • Safety Signage
      • Safety Zones
      • Radiation Limits
      • Survey Meter
      • Geiger Counter
      • Film Badge
      • Area Monitor
      • TLD’s

    Learning Activities:

    • Lecture & Discussion
    • Handling and use of monitoring equipment
    • Demonstrate calibration and use of Dosimeters
    • Expose a Dosimeter for proof of concept

    Learning Resources:

    • Radiation signs and handouts
    • Glossary

    • 9.1: Caution Signage and Labels
      This page outlines NRC requirements for radiation safety signage, which includes standardized symbols and labeling for different radiation zones and materials. Signs must adhere to specific color and shape norms, predominantly using magenta, purple, or black on yellow backgrounds. It defines "Radiation Area" and "High Radiation Area," and mandates clear labeling on radioactive material containers. Strict compliance with these regulations is crucial to reducing radiation exposure risks.
    • 9.2: Monitoring and Detection Devices
      This page examines the evolution of safety protocols in radiography in line with ALARA principles, highlighting essential detection instruments like Survey Meters, Area Rate Alarms, Pocket Dosimeters, and Film Badges. It stresses the importance of calibration and regulation, especially for Survey Meters that require biannual servicing. The significance of these tools in monitoring radiation exposure is underscored to prevent over-exposure incidents among radiographers.
    • 9.3: Glossary
      This page outlines devices for monitoring radiation exposure in radiographers, including area rate alarms, film badges, OSLDs, pocket dosimeters, Geiger Muller counters, and TLDs. It highlights the need for annual calibration of alarms, the use of film badges and OSLDs for dose tracking, immediate readings from pocket dosimeters, and the saturation issue of Geiger Muller counters.


    This page titled 9: Caution Signage and Detection Devices is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Jason S. Ballard via source content that was edited to the style and standards of the LibreTexts platform.