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Journal of Environmental Quality Abstract -

Transfer of Boron and Tritiated Water Through Sandstone1


This article in JEQ

  1. Vol. 4 No. 1, p. 83-87
    Received: Mar 14, 1974

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  1. P. J. Wierenga,
  2. M. Th. van Genuchten and
  3. F. W. Boyle2



The movement of tritiated water and boron were determined during unsaturated flow through undisturbed sandstone cores. From the displacement and slope of the breakthrough curves relative to 1 pore volume of effluent, adsorption coefficients and dispersion coefficients were calculated of 0.135 and 1.06 cm2/day for boron, and 0.04 and 3.45 cm2/day for tritiated water, respectively. The data were used to predict the downward movement of boron through a sandstone formation in the Four Corners area of New Mexico. With 20 cm annual rainfall and 10% of the precipitation contributing to recharge, it was calculated to take 1,628 years for the boron concentration at the ground-water table at 86 m to reach one-half the boron concentration at the soil surface.

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