Estimate of the risks of disposing nonhazardous oil field wastes into salt caverns

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Argonne National Laboratory (ANL) has completed an evaluation of the possibility that adverse human health effects (carcinogenic and noncarcinogenic) could result from exposure to contaminants released from nonhazardous oil field wastes (NOW) disposed in domal salt caverns. Potential human health risks associated with hazardous substances (arsenic, benzene, cadmium, and chromium) in NOW were assessed under four postclosure cavern release scenarios: inadvertent cavern intrusion, failure of the cavern seal, failure of the cavern through cracks or leaky interbeds, and a partial collapse of the cavern roof. To estimate potential human health risks for these scenarios, contaminant concentrations at the receptor were ... continued below

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10 p.

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Tomasko, D.; Elcock, D. & Veil, J. 1997-09~.

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  • Argonne National Laboratory
    Publisher Info: Argonne National Lab., Washington, DC (United States)
    Place of Publication: Washington D.C.

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Argonne National Laboratory (ANL) has completed an evaluation of the possibility that adverse human health effects (carcinogenic and noncarcinogenic) could result from exposure to contaminants released from nonhazardous oil field wastes (NOW) disposed in domal salt caverns. Potential human health risks associated with hazardous substances (arsenic, benzene, cadmium, and chromium) in NOW were assessed under four postclosure cavern release scenarios: inadvertent cavern intrusion, failure of the cavern seal, failure of the cavern through cracks or leaky interbeds, and a partial collapse of the cavern roof. To estimate potential human health risks for these scenarios, contaminant concentrations at the receptor were calculated using a one-dimensional solution to an advection/dispersion equation that included first order degradation. Assuming a single, generic salt cavern and generic oil-field wastes, the best-estimate excess cancer risks ranged from 1.7 {times} 10{sup {minus}12} to 1.1 {times} 10{sup {minus}8} and hazard indices (referring to noncancer health effects) ranged from 7 {times} 10{sup {minus}9} to 7 {times} 10{sup {minus}4}. Under worse-case conditions in which the probability of cavern failure is 1.0, excess cancer risks ranged from 4.9 {times} 10{sup {minus}9} to 1.7 {times} 10{sup {minus}5} and hazard indices ranged from 7.0 {times} 10{sup {minus}4} to 0.07. Even under worst-case conditions, the risks are within the US Environmental Protection Agency (EPA) target range for acceptable exposure levels. From a human health risk perspective, salt caverns can, therefore, provide an acceptable disposal method for NOW.

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10 p.

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OSTI as DE97054324

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  • 1997 Ground Water Protection Council annual forum, Cleveland, OH (United States), 20-24 Sep 1997

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  • Other: DE97054324
  • Report No.: ANL/EA/CP--93006
  • Report No.: CONF-9709234--
  • Grant Number: W-31109-ENG-38
  • DOI: 10.2172/578583 | External Link
  • Office of Scientific & Technical Information Report Number: 595629
  • Archival Resource Key: ark:/67531/metadc690382

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  • 1997-09~

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Dec. 16, 2015, 12:29 p.m.

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Tomasko, D.; Elcock, D. & Veil, J. Estimate of the risks of disposing nonhazardous oil field wastes into salt caverns, article, 1997-09~; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc690382/: accessed September 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.