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The Natural Gamma Ray Logger (NGRL) measures the amount of natural gamma radiation within whole-round core sections. See 'NGRL User Guide' and 'Technical Note 26: Physical Properties handbook' for additional details.The IMS software for the NGRL does not produce “KUT” data.  Scientists are welcome to use a Matlab code for this purpose here (NGR Quantification of U, K, and Th).

Procedures

• Preparing the Instrument

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