publication . Other literature type . Article . 2008

Earthworms and in vitro physiologically-based extraction tests: complementary tools for a holistic approach towards understanding risk at arsenic-contaminated sites

Mark Cave; michael watts; Gawen Jenkin; Chris Harrington;
Open Access
  • Published: 29 Oct 2008
  • Publisher: Springer Science and Business Media LLC
  • Country: United Kingdom
Abstract
The relationship of the total arsenic content of a soil and its bioaccumulation by earthworms (Lumbricus rubellus and Dendrodrilus rubidus) to the arsenic fraction bioaccessible to humans, measured using an in vitro physiologically-based extraction test (PBET), was investigated. Soil and earthworm samples were collected at 24 sites at the former arsenic mine at the Devon Great Consols (DGC) in southwest England (UK), along with an uncontaminated site in Nottingham, UK, for comparison. Analysis of soil and earthworm total arsenic via inductively coupled plasma mass spectrometry (ICP-MS) was performed following a mixed acid digestion. Arsenic concentrations in the...
Subjects
free text keywords: Earth Sciences, Environmental Engineering, Geochemistry and Petrology, General Environmental Science, Water Science and Technology, Environmental Chemistry, General Medicine
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