Development and Operation of a Passive-Flow Treatment System for (Sup 90)Sr-Contaminated Groundwater

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Description

Seep C was a free-flowing stream of groundwater that emerged in a narrow valley below the old low-level waste (LLW) disposal trenches in Solid Waste Storage Area 5 (SWSA 5) at Oak Ridge National Laboratory (ORNL). The flow rate of the seep water was strongly influenced by rainfall, and typically ranged from 0.5 to 8 L/min. The seep water entered Melton Branch, a small stream that joins White Oak Creek before exiting the ORNL boundary. The seep water contained high concentrations of {sup 90}Sr (10,000 to 20,000 Bq/L) and, before the full-scale treatment system was installed, contributed about 25% of ... continued below

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9 p.

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Kirkham, P.S. & Taylor, P.A. February 28, 1999.

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Description

Seep C was a free-flowing stream of groundwater that emerged in a narrow valley below the old low-level waste (LLW) disposal trenches in Solid Waste Storage Area 5 (SWSA 5) at Oak Ridge National Laboratory (ORNL). The flow rate of the seep water was strongly influenced by rainfall, and typically ranged from 0.5 to 8 L/min. The seep water entered Melton Branch, a small stream that joins White Oak Creek before exiting the ORNL boundary. The seep water contained high concentrations of {sup 90}Sr (10,000 to 20,000 Bq/L) and, before the full-scale treatment system was installed, contributed about 25% of all the {sup 90}Sr leaving ORNL. Seep C was identified as a primary source of off-site contaminant transport and was designated for an early removal action under the Comprehensive Environmental Response and Liability Act (CERCLA). A passive flow treatment system was chosen as the most cost-effective method for treating the water.

Physical Description

9 p.

Notes

OSTI as DE00003741

Medium: P; Size: 9 pages

Source

  • Waste Management '99, Tucson, AZ (US), 02/28/1999--03/04/1999

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  • Report No.: ORNL/CP-101378
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 3741
  • Archival Resource Key: ark:/67531/metadc685447

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • February 28, 1999

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 11, 2017, 7:34 p.m.

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Kirkham, P.S. & Taylor, P.A. Development and Operation of a Passive-Flow Treatment System for (Sup 90)Sr-Contaminated Groundwater, article, February 28, 1999; Tennessee. (digital.library.unt.edu/ark:/67531/metadc685447/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.