Indoor dust metal loadings: a human health risk assessment

Barrio Parra, Fernando ORCID:, Miguel García, Eduardo de ORCID:, Lázaro-Navas, S., Gómez, A. and Izquierdo Díaz, M. (2017). Indoor dust metal loadings: a human health risk assessment. "Water quality exposure and health", v. 41 (n. 10); pp. 41-50. ISSN 1876-1658.


Title: Indoor dust metal loadings: a human health risk assessment
Item Type: Article
Título de Revista/Publicación: Water quality exposure and health
Date: 2017
ISSN: 1876-1658
Volume: 41
Faculty: E.T.S.I. de Minas y Energía (UPM)
Department: Energía y Combustibles
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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In order to characterize the influence of environmental factors in dust metal loadings inside homes in an urban environment and to evaluate the associated potential health risks, samples of settled indoor dust from 10 apart- ments in the urban area of Madrid (Spain) were collected with wet wipes. Cd, Cr, Cu, Pb, Zn, Ni, and Mn loads were determined by Atomic Absorption Spectroscopy (AAS) after a HNO3 H2O2 digestion. The environmental fac- tors evaluated were load distribution between rooms, number of residents, presence of smokers, traffic intensity, apartment elevation, and frequency of house cleaning. Tukey?s range test and stepwise multiple linear regression analysis revealed that metal dust loadings present two prevailing origins: (1) They present higher loadings in the entry hall, which suggest that dust is tracked indoors adhered to footwear and clothing and (2) they arise from tobacco smoking. Significant correlations were also observed between metal loadings and traffic intensity (Cr), number of residents (Cr, Pb, and Cu), number of days between cleaning (Ni), and flat height (Mn). A human health risk assessment considering a mechanistic hand-to- mouth model for dust ingestion and dermal absorption revealed that urban children are not expected to develop adverse health effects from exposure to trace elements in household dust. The contribution of this exposure scenario to the overall received dose should be included when assessing the background exposure of children to trace elements.

Funding Projects

Madrid Regional Government
Caracterización, remediación, modelización y evaluación del riesgo de suelos contaminados

More information

Item ID: 50427
DC Identifier:
OAI Identifier:
DOI: 10.1007/s12403-017-0244-z
Official URL:
Deposited by: Memoria Investigacion
Deposited on: 25 Apr 2018 10:24
Last Modified: 30 Nov 2022 09:00
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