Cited by 21Heavy metals in environmentToxic Organic Pollutants ImpactCoal and Its By-products

Human risk assessment of ash soil after 2020 wildfires in Pantanal biome (Brazil)

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Caumo, Sofia, Lázaro, Wilkinson L., Sobreira Oliveira, Ernandes, Beringui, Karmel, Gioda, Adriana, Massone, Carlos German, Carreira, Renato, de Freitas, Djair Sergio +2 more·2022·Air Quality, Atmosphere & Health

Abstract

Wildfires have increased in the last years and, when caused by intentional illegal burnings, are frequently run out of control. Wildfire has been pointed out as an important source of polycyclic aromatic hydrocarbons (PAHs) and trace elements (TEs) - such as, As, Ni, and Pb - to environmental compartments, and thus may pose a risk to human health and to the ecosystem. In 2020, the Brazilian biome, Pantanal, faced the largest losses by wildfires in the last 22 years. Ashes from the topsoil layer in Pantanal were collected after these wildfires at 20 sites divided into the sediment, forest, PF, PS, and degraded sites. Toxicity and associated risks for human health were also evaluated. The areas highly impacted by wildfires and by artisanal gold mining activities showed higher concentrations for TEs and PAHs than the protected areas. Pb varied from 8 ± 4 to 224 ± 81 mg kg-1, and total PAH concentration ranged between 880 ± 314 and 1350 ± 70 ng g-1, at sites impacted by anthropogenic activities. Moreover, health risk assessments for TE and PAH indicated a potentially great risk for children and adults, via ingestion, inhalation, and dermal pathway. The carcinogenic risks exceeded reference values, for both TE and PAH, suggesting harmful conditions, especially for vulnerable groups, such as children and the elderly.Graphical abstract Supplementary information The online version contains supplementary material available at 10.1007/s11869-022-01248-2.

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Authors
Caumo, S., Lázaro, W. L., Sobreira Oliveira, E., Beringui, K., Gioda, A., Massone, C. G., Carreira, R., de Freitas, D. S., Ignacio, A. R. A., & Hacon, S.
Affiliations
  • Escola Nacional de Saúde Pública Sergio Arouca (BR)
  • Universidade do Estado de Mato Grosso (BR)
  • Pontifícia Universidade Católica do Rio de Janeiro (BR)
Corresponding author
Caumo, Sofia
Venue
Air Quality, Atmosphere & Health
Published
2022-09-28
Volume
15
Issue
12
Pages
2239-2254
ISSN
  • 1873-9318 (ISSN-L)
  • 1873-9326
OpenAlex
W4297494462
Cited by
21
References
79
Citations by year
2026: 5 · 2025: 7 · 2024: 5 · 2023: 4
FWCI
0.95
Type
journal article
Language
en
Open access
Locations
  • Air Quality Atmosphere & Health (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (381160/2018-1, 312697/2021-0)
  • Brazilian Network on Global Climate Change Research (550022/2014-7)
  • FINEP (01.13.0353.00)
  • Post-Graduate Program of Public Health and Environment at National School of Public Health/ FIOCRUZ (31081306577239)
  • Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
  • FAPERJ (E-26/201.222/2021)
Topics
  • Physical Sciences › Environmental Science › Pollution › Heavy metals in environment
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
  • Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Coal and Its By-products
Keywords
wildfire ash, human health risk assessment, polycyclic aromatic hydrocarbons, trace elements, lead, arsenic, nickel, artisanal gold mining, Pantanal, cancer risk, exposure pathways, illegal burning

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