Τίτλος:
International Analysis of Sources and Human Health Risk Associated with Trace Metal Contaminants in Residential Indoor Dust
Γλώσσες Τεκμηρίου:
Αγγλικά
Περίληψη:
People spend increasing amounts of time at home, yet the indoor home environment remains understudied in terms of potential exposure to toxic trace metals. We evaluated trace metal (and metalloid) concentrations (As, Cu, Cr, Mn, Ni, Pb, and Zn) and health risks in indoor dust from homes from 35 countries, along with a suite of potentially contributory residential characteristics. The objective was to determine trace metal source inputs and home environment conditions associated with increasing exposure risk across a range of international communities. For all countries, enrichments compared to global crustal values were Zn > Pb > Cu > As > Cr > Ni; with the greatest health risk from Cr, followed by As > Pb > Mn > Cu > Ni > Zn. Three main indoor dust sources were identified, with a Pb–Zn–As factor related to legacy Pb sources, a Zn–Cu factor reflecting building materials, and a Mn factor indicative of natural soil sources. Increasing home age was associated with greater Pb and As concentrations (5.0 and 0.48 mg/kg per year of home age, respectively), as were peeling paint and garden access. Therefore, these factors form important considerations for the development of evidence-based management strategies to reduce potential risks posed by indoor house dust. Recent findings indicate neurocognitive effects from low concentrations of metal exposures; hence, an understanding of the home exposome is vital. © 2021 The Authors. Published by American Chemical Society
Συγγραφείς:
Isley, C.F.
Fry, K.L.
Liu, X.
Filippelli, G.M.
Entwistle, J.A.
Martin, A.P.
Kah, M.
Meza-Figueroa, D.
Shukle, J.T.
Jabeen, K.
Famuyiwa, A.O.
Wu, L.
Sharifi-Soltani, N.
Doyi, I.N.Y.
Argyraki, A.
Ho, K.F.
Dong, C.
Gunkel-Grillon, P.
Aelion, C.M.
Taylor, M.P.
Περιοδικό:
Environmental science and technology
Εκδότης:
American Chemical Society
Λέξεις-κλειδιά:
Copper; Dust; Health; Housing; Risk assessment; Trace elements; Zinc, Enrichment; Home; Home environment; Human health risks; Indoor dust; Metal contaminants; Modeling; Potential exposure; Source; Trace metal, Health risks, arsenic; chromium; copper; lead; manganese; nickel; trace metal; zinc, atmospheric pollution; concentration (composition); dust; health risk; indoor air; pollutant source; public health; trace metal, Article; dust; health hazard; health risk assessment; home environment; house dust; household; human; principal component analysis; residence characteristics; social media
DOI:
10.1021/acs.est.1c04494
