Radiological dose assessment of NORM disposal in Class II injection wells

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Description

Subsurface disposal of petroleum industry wastes containing naturally occurring radioactive material (NORM) via injection into Class II wells was modeled to estimate potential radiological doses to individuals consuming water from a shallow aquifer. A generic model was developed for the injection of 100,000 barrels of NORM waste containing 2,000 picocuries per liter of radium into a layered geologic system. In separate modeling runs, it was assumed that a casing failure released the entire volume of NORM into each successive geologic layer, including the shallow aquifer. Radionuclide concentrations and related potential doses were calculated for receptors located in the shallow aquifer ... continued below

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9 p.

Creation Information

Smith, K.P.; Williams, G.P.; Blunt, D.L. & Arnish, J.J. September 1, 1997.

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Description

Subsurface disposal of petroleum industry wastes containing naturally occurring radioactive material (NORM) via injection into Class II wells was modeled to estimate potential radiological doses to individuals consuming water from a shallow aquifer. A generic model was developed for the injection of 100,000 barrels of NORM waste containing 2,000 picocuries per liter of radium into a layered geologic system. In separate modeling runs, it was assumed that a casing failure released the entire volume of NORM into each successive geologic layer, including the shallow aquifer. Radionuclide concentrations and related potential doses were calculated for receptors located in the shallow aquifer from 0 to 20 miles down gradient of the injection well. The results indicated that even under conservative assumptions, calculated radionuclide concentrations and potential doses associated with subsurface disposal of NORM in Class II wells were below levels of regulatory concern. The preliminary results from a dose assessment of a specific project entailing injection of NORM into Class II wells support the conclusions of the generic study.

Physical Description

9 p.

Notes

INIS; OSTI as DE97054296

Source

  • 4. international petroleum environmental conference, San Antonio, TX (United States), 9-12 Sep 1997

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  • Other: DE97054296
  • Report No.: ANL/EA/CP--94435
  • Report No.: CONF-970990--
  • Grant Number: W-31109-ENG-38
  • DOI: 10.2172/650208 | External Link
  • Office of Scientific & Technical Information Report Number: 650208
  • Archival Resource Key: ark:/67531/metadc712128

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  • September 1, 1997

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  • Sept. 12, 2015, 6:31 a.m.

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  • Dec. 15, 2015, 1:26 p.m.

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Smith, K.P.; Williams, G.P.; Blunt, D.L. & Arnish, J.J. Radiological dose assessment of NORM disposal in Class II injection wells, report, September 1, 1997; Illinois. (digital.library.unt.edu/ark:/67531/metadc712128/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.