Risk assessment for produced water discharges to Louisiana Open Bays

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Description

Data were collected prior to termination of discharge at three sites (including two open bay sites at Delacroix Island and Bay De Chene) for the risk assessments. The Delacroix Island Oil and Gas Field has been in production since the first well drilling in 1940; the Bay De Chene Field, since 1942. Concentrations of 226Ra, 228Ra, 210Po, and 228Th were measured in discharges. Radium conc. were measured in fish and shellfish tissues. Sediment PAH and metal conc. were also available. Benthos sampling was conducted. A survey of fishermen was conducted. The tiered risk assessment showed that human health risks from ... continued below

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152 p.

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Meinhold, A.F.; DePhillips, M.P. & Holtzman, S. June 23, 1995.

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Description

Data were collected prior to termination of discharge at three sites (including two open bay sites at Delacroix Island and Bay De Chene) for the risk assessments. The Delacroix Island Oil and Gas Field has been in production since the first well drilling in 1940; the Bay De Chene Field, since 1942. Concentrations of 226Ra, 228Ra, 210Po, and 228Th were measured in discharges. Radium conc. were measured in fish and shellfish tissues. Sediment PAH and metal conc. were also available. Benthos sampling was conducted. A survey of fishermen was conducted. The tiered risk assessment showed that human health risks from radium in produced water appear to be small; ecological risk from radium and other radionuclides in produced water also appear small. Many of the chemical contaminants discharged to open Louisiana bays appear to present little human health or ecological risk. A conservative screening analysis suggested potential risks to human health from Hg and Pb and a potential risk to ecological receptors from total effluent, Sb, Cd, Cu, Pb, Ni, Ag, Zn, and phenol in the water column and PAHs in sediment; quantitiative risk assessments are being done for these contaminants.

Physical Description

152 p.

Notes

OSTI as DE95015403

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  • Other Information: PBD: 23 Jun 1995

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  • Other: DE95015403
  • Report No.: BNL--61987
  • Grant Number: AC02-76CH00016
  • DOI: 10.2172/87328 | External Link
  • Office of Scientific & Technical Information Report Number: 87328
  • Archival Resource Key: ark:/67531/metadc791927

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  • June 23, 1995

Added to The UNT Digital Library

  • Dec. 19, 2015, 7:14 p.m.

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  • Jan. 29, 2016, 7:16 p.m.

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Meinhold, A.F.; DePhillips, M.P. & Holtzman, S. Risk assessment for produced water discharges to Louisiana Open Bays, report, June 23, 1995; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc791927/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.