1987
DOI: 10.3133/ofr87206
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Distribution of radionuclide and trace-elements in ground water, grasses, and surficial sediments associated with the alluvial aquifer along the Puerco River, northeastern Arizona; a reconnaissance sampling program

Abstract: Ground water, perennial grass, and sediments were sampled for trace elements and (or) radionuclides in the Puerco River basin in northeastern Arizona. The concentrations of gross alpha radioactivity minus uranium equals or exceeds 15 pCi/L in 5 of 14 wells sampled. The concentration of radium-226 plus radium-228 exceeds the primary water-quality standard of 5 pCi/L in one well. The concentration of uranium exceeds a recommended limit of 0.035 mg/L in two wells. Perennial grass and sediment samples have low con… Show more

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Cited by 6 publications
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“…The occurrence of uranium suggests that assumptions (d) and (f) are relatively more valid and that significant amounts of uranium have not migrated to deeper aquifers or wells. Uptake of uranium by plants (assumption (e)) was investigated by Webb et al (1987) who sampled grasses for uranium on the flood plain of the Puerco River and on higher terraces in five locations in December 1986 and found concentrations of uranium in samples from the flood plain that averaged twice the concentrations of samples from the terrace. The relative significance of uptake of uranium by plants is not known.…”
Section: An Evaluation Of the Fate Of Mine-released Uranium In Alluvimentioning
confidence: 99%
“…The occurrence of uranium suggests that assumptions (d) and (f) are relatively more valid and that significant amounts of uranium have not migrated to deeper aquifers or wells. Uptake of uranium by plants (assumption (e)) was investigated by Webb et al (1987) who sampled grasses for uranium on the flood plain of the Puerco River and on higher terraces in five locations in December 1986 and found concentrations of uranium in samples from the flood plain that averaged twice the concentrations of samples from the terrace. The relative significance of uptake of uranium by plants is not known.…”
Section: An Evaluation Of the Fate Of Mine-released Uranium In Alluvimentioning
confidence: 99%