Effects of River Flooding on PCDD/F and PCB Levels in Cows' Milk, Soil, and Grass

Iain R. Lake,* Christopher D. Foxall, Andrew A. Lovett, Alwyn Fernandes, Alan Dowding,§ Shaun White, and Martin Rose
School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ, U.K., Central Science Laboratory, Sand Hutton, York YO41 1LZ, U.K., and Food Standards Agency, Aviation House, 125 Kingsway, London WC2B 6NH, U.K.
Environ. Sci. Technol., 2005, 39 (23), pp 9033–9038
DOI: 10.1021/es051433a
Publication Date (Web): October 28, 2005
Copyright © 2005 American Chemical Society

Abstract

This paper presents the results of a study examining whether the flooding of pasture by rivers gives rise to higher PCDD/F and PCB concentrations in cows' milk. Over 180 milk, soil, and grass samples, taken from 38 farms across 3 different river systems (River Dee, Trent, and Doe Lea/Rother/Don) in the United Kingdom, were analyzed for PCDD/Fs and PCBs. The concentrations were compared between flood-prone farms, where the animals had access to pasture that is often flooded, and control farms where the land does not flood. The results indicated that concentrations of PCDD/Fs and PCBs in cows' milk were higher in samples taken from farms prone to flooding, but only from the river systems flowing through industrial and urban areas. Raised levels of PCDD/F and PCBs were also found in soil and grass from farms prone to flooding providing strong corroborative evidence that the higher concentrations in cows' milk from such areas is likely to be due to the ingestion of contaminated grass and soil. Overall, the results provide strong evidence that flooding of pastureland can indeed result in elevated concentrations of PCDD/Fs and PCBs in milk from the farms so affected.

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

  • Cover Image

    Effects of River Flooding on Polybrominated Diphenyl Ether (PBDE) Levels in Cows’ Milk, Soil, and Grass

    Iain R. Lake, Christopher D. Foxall, Alwyn Fernandes, Mervyn Lewis, Martin Rose, Oliver White, and Alan Dowding
    Environmental Science & Technology2011 Article ASAP
    • Effects of River Flooding on Polybrominated Diphenyl Ether (PBDE) Levels in Cows’ Milk, Soil, and Grass

      Iain R. Lake, Christopher D. Foxall, Alwyn Fernandes, Mervyn Lewis, Martin Rose, Oliver White, and Alan Dowding
      Environmental Science & Technology2011 Article ASAP

      The first investigation into PBDE levels in food produced from flood-prone land on industrial river catchments was conducted. In August 2008 samples of cows’ milk, along with grass and soil were taken from 5 pairs of flood-prone and control farms on the ...

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History

  • Published In Issue December 01, 2005
  • Received for review July 22, 2005
    Revised manuscript received September 19, 2005
    Accepted September 20, 2005

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