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Gamma-emitting radionuclide measurements at the US geological survey national water quality laboratory, Denver, Colorado

Nuclear Instruments and Methods

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Abstract

Like sediment samples from Scofield Resevior in Utah were analyzed for 210Pb by the gamma-ray spectrometric method. The top 10 cm of surface sediment yielded excess 210Pb activity (excluding in situ 226Ra supported 210Pb) of 1.05 pCi/g dry weight and decreased to 0.25 pCi/g at a depth of 25 cm. Based on these data, sedimentation rate was approximately 0.49 cm/y for a total of 30 cm of lake sediment and a lake history of approximately 60 y. An alternative method of 210Pb measurements using wet chemical procedures followed by beta counting gave equivalent results. ?? 1982.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Gamma-emitting radionuclide measurements at the US geological survey national water quality laboratory, Denver, Colorado
Series title:
Nuclear Instruments and Methods
Volume
193
Issue:
1-2
Year Published:
1982
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Nuclear Instruments and Methods
First page:
197
Last page:
201