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ESH DocDB Document 5466-v1

Revised Soil Equivalent for Selected Shielding Materials

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Submitted by:
William S. Higgins
Updated by:
William S. Higgins
Document Created:
18 Feb 2020, 12:57
Contents Revised:
18 Feb 2020, 12:57
Metadata Revised:
18 Feb 2020, 12:57
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Attenuation of prompt radiation is expressed in "equivalent feet of dirt." For various materials-- soil, iron, dolomite, concrete, heavy concrete, and sand--a table lists attenuation tenth-value layer values and soil equivalent scale factors.
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Notes and Changes:
Scale factors for some materials have been calculated assuming shielding attenuation scales with density, which may NOT be valid for some shielding applications.
Contact Fermilab Environment, Safety, & Health Section for further advice.
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