干旱区生态环境知识资源中心(Arid): Arsenic and lead in the soils of San Antonio-El Triunfo mining district, BCS, Mexico: a human health risk assessment

Arid

DOI	10.1007/s12665-021-10137-3
	Arsenic and lead in the soils of San Antonio-El Triunfo mining district, BCS, Mexico: a human health risk assessment
	Hernandez-Mendiola, Ernesto; Martin-Romero, Francisco; Meza-Figueroa, Diana; Hernandez-Cruz, Berenice; Martinez-Jardines, L. Gerardo; Espino-Ortega, Violeta
通讯作者	Hernandez-Mendiola, E ; Martin-Romero, F (corresponding author)，Univ Nacl Autonoma Mexico, Inst Geol, Ciudad Univ, Mexico City 04510, DF, Mexico. ; Hernandez-Mendiola, E ; Martin-Romero, F (corresponding author)，Univ Nacl Autonoma Mexico, Lab Nacl Geoquim & Mineral LANGEM, Ciudad Univ, Mexico City 04510, DF, Mexico.
来源期刊	ENVIRONMENTAL EARTH SCIENCES
ISSN	1866-6280
EISSN	1866-6299
出版年	2022
卷号	81 期号:2
英文摘要	The MD SA-ET in Baja California Sur, Mexico, had over 200 years of intermittent mining activities. Studies in the area have reported Pb, Cd, Zn, and As dispersion from waste to soils, sediments, and groundwater, suggesting that even after all this time, biogeochemical processes have not completely mitigated the risk. Furthermore, evaluating how the fine particles in soils could control the human health risk by geochemical and mineralogical mechanisms has not yet been initiated. This study discusses the geoavailability and bioaccessibility based on the environmental and human health risks in an arid environment where the population is currently exposed to abandoned mining waste. The results show that urban soils (US) and stream sediments (SS) have very high total concentrations of As and Pb, but with low geoavailability, suggesting low environmental risk. Despite this, bioaccessibilities up to 100% were observed for As and Pb in the US, suggesting high risks for the inhabitants of San Antonio and El Triunfo towns. The blood Pb levels and the carcinogenic risk for As exposure assessed here show maximum values of 115.77 mu gPb dL(-1) and 85 x 10(-4), respectively, which exceed the recommended limits according to USEPA. Chemical identification of microparticles (< 250 mu m) by SEM-EDS shows bright metal solids with high iron content, commonly interpreted as iron oxide. However, it was possible to identify microparticles (< 5 mu m) rich in Fe associated with ultrafine particles (< 1 mu m) with high Pb and As contents. We conclude that differences between the geoavailability and bioaccessibility for soils and sediments in this study indicate that the solid microphases (possible Fe-oxides and oxyhydroxides) present in the fine soil fraction from MD SA-ET may control the geoavailability and bioavailability of As and Pb, as well as the environmental and human health risks.
英文关键词	Bioaccessibility Geoavailability Solid particles Fine soil fraction Carcinogenic and non-carcinogenic risks Arsenic Lead
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000742929500004
WOS关键词	BAJA-CALIFORNIA-SUR ; TOXIC ELEMENTS ; MINE ; BIOACCESSIBILITY ; BIOAVAILABILITY ; CONTAMINATION ; GROUNDWATER ; CARRIZAL ; METALS ; ZN
WOS类目	Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向	Environmental Sciences & Ecology ; Geology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/376750
作者单位	[Hernandez-Mendiola, Ernesto; Martin-Romero, Francisco; Martinez-Jardines, L. Gerardo] Univ Nacl Autonoma Mexico, Inst Geol, Ciudad Univ, Mexico City 04510, DF, Mexico; [Hernandez-Mendiola, Ernesto; Martin-Romero, Francisco; Meza-Figueroa, Diana] Univ Nacl Autonoma Mexico, Lab Nacl Geoquim & Mineral LANGEM, Ciudad Univ, Mexico City 04510, DF, Mexico; [Meza-Figueroa, Diana] Univ Sonora, Dept Geol, Hermosillo 83000, Sonora, Mexico; [Hernandez-Cruz, Berenice] Univ Nacl Autonoma Mexico, Fac Ingn, Div Ingn Civil & Geomat, Ciudad Univ, Mexico City, DF, Mexico; [Espino-Ortega, Violeta] Univ Nacl Autonoma Mexico, Fac Ingn, Ingn Geol, Ciudad Univ, Mexico City, DF, Mexico
推荐引用方式 GB/T 7714	Hernandez-Mendiola, Ernesto,Martin-Romero, Francisco,Meza-Figueroa, Diana,et al. Arsenic and lead in the soils of San Antonio-El Triunfo mining district, BCS, Mexico: a human health risk assessment[J],2022,81(2).
APA	Hernandez-Mendiola, Ernesto,Martin-Romero, Francisco,Meza-Figueroa, Diana,Hernandez-Cruz, Berenice,Martinez-Jardines, L. Gerardo,&Espino-Ortega, Violeta.(2022).Arsenic and lead in the soils of San Antonio-El Triunfo mining district, BCS, Mexico: a human health risk assessment.ENVIRONMENTAL EARTH SCIENCES,81(2).
MLA	Hernandez-Mendiola, Ernesto,et al."Arsenic and lead in the soils of San Antonio-El Triunfo mining district, BCS, Mexico: a human health risk assessment".ENVIRONMENTAL EARTH SCIENCES 81.2(2022).