High Activity Sealed Sources (HASS)

Resource related to the safe use of High Activity Sealed Sources (HASS) in the UK and beyond. 

  • Dose Rates from HASS (High Activity Sealed Sources)

    Published: Dec 07, 2024

    Source: Ionactive Radiation Protection Resource

      Tags:
    • High Activity Sealed Source
    • HASS source
    • Dose Rate
    • Dose rate at 1m
    • Radioactivity
    • Industrial Radiography
    • Industrial Irradiation
    • Co-60
    • Cs-137
    • Ir-192
    • Se-75
    • Am-241
    • AmBe

    Examples of use and radioactivity of typical HASS sources with their unshielded dose rate at 1m.  

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  • High Activity Sealed Sources (HASS) Radioactivity Thresholds

    Published: Dec 07, 2024

    Source: Ionactive Radiation Protection Resource

      Tags:
    • HASS
    • HASS source
    • HASS thresholds
    • Radioactive source
    • sealed radioactive source
    • Sealed Source
    • IAEA
    • D value

    A list of the most popular High Activity Sealed Source (HASS) - with their radioactivity thresholds.

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Atoms are very special: they like certain particular partners, certain particular directions, and so on. It is the job of physics to analyze why each one wants what it wants.

– Richard P. Feynman -