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Can someone please explain the difference between these two terms (Zero Background Radiation and Field Background Radiation) used in radiometric prospecting measurements?

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  • $\begingroup$ Do you mean Cosmic Microwave Background Radiation? $\endgroup$
    – Benichiwa
    Apr 14, 2015 at 23:09
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    $\begingroup$ Can you link to texts which use these terms in the manner you're thinking of? $\endgroup$
    – rob
    Apr 15, 2015 at 8:43

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In the abstract of this article Measurements of environmental background radiation at location of coal-fired power plants (PubMed, 2004) the terms are used in context.

"Zero background radiation" - is the natural expected radiation measured far away of the specific pollutant site - the coal mine. It is a control or reference value in the study.

"Background radiation field" is the effective ambient radiation

Record radiation levels were found in a house where the effective dose due to ambient radiation fields was 131 mSv/a,

in the same abstract:

This investigation has been primarily done in order to check the impact of coal-fired power plants on the background radiation level in its vicinity

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