A new simple, low-cost approach for generation of the PM10 fraction from soil and related materials: Application to human health risk assessment

Boisa, Ndokiari, Entwistle, Jane and Dean, John (2014) A new simple, low-cost approach for generation of the PM10 fraction from soil and related materials: Application to human health risk assessment. Analytica Chimica Acta, 852. pp. 97-104. ISSN 0003-2670

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Official URL: http://dx.doi.org/10.1016/j.aca.2014.09.038

Abstract

A new simple, robust and low-cost wet laboratory method for the generation of the <10 μm (PM10) particle size fraction is reported. A sedimentation method is directly compared with a centrifugation method for generation of the PM10 fraction. Both approaches are based on an integrated form of Stokes’ law. Subsequently the sedimentation method was adopted. The results from the sedimentation method were corroborated using particle size distribution measurements. This approach for the generation of the PM10 fraction was applied to soil and mine waste samples from Mitrovica, Kosovo as part of an investigation in to the human risk assessment from inhalation of the PM10 fraction containing potentially harmful elements (PHEs). The average daily dose for Cd from the inhalation of suspended soil particles was calculated to be 0.021 and 0.010 μg kg−1BW d−1 for a child and an adult, respectively. This corresponded to an inhalation dose of 0.50 and 0.70 μg Cd d−1 for a child (20 kg) and an adult (70 kg), respectively.

Item Type: Article
Additional Information: Available online 26-9-2014 ahead of print.
Uncontrolled Keywords: Centrifugation methods; Human health risk assessment; Mine wastes
Subjects: F100 Chemistry
F800 Physical and Terrestrial Geographical and Environmental Sciences
Department: Faculties > Engineering and Environment > Geography
Faculties > Health and Life Sciences > School of Life Sciences > Applied Sciences
Depositing User: Ay Okpokam
Date Deposited: 29 Sep 2014 10:02
Last Modified: 28 Jan 2016 18:58
URI: http://nrl.northumbria.ac.uk/id/eprint/17678

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