High levels of Mercury and Lead detected by hair analysis in two Venezuelan environments / Altos níveis de Mercúrio e Chumbo detectados pela análise de cabelo em dois ambientes venezuelanos
Acta amaz
;
39(2): 315-318, 2009. tab
Article
in English
| LILACS
| ID: lil-522378
ABSTRACT
Mercury and Lead concentrations obtained by ICP-OAS analysis of human hair from riverside communities along the Orinoco river in the Amazon state (Venezuela) were compared with those from Caracas, Venezuela. Taking into account the characteristics of these two environments and the values of the average concentrations of Mercury and Lead, baselines were established suggesting that gold mining activity near the Orinoco river is responsible for the high levels of Mercury in hair from the Amazon state, whereas automobile activity is responsible for high levels of Lead in hair in Caracas.
RESUMO
Concentrações de mercúrio e chumbo obtidas pela análise ICP-OAS de amostras de cabelo humano de comunidades ribeirinhas ao longo do rio Orinoco no estado de Amazonas (Venezuela) foram comparadas com outras de Caracas, Venezuela. Levando em consideração as características desses dois ambientes e os valores das concentrações médias de mercúrio e chumbo, foram estabelecidas linhas basais que sugerem que as atividades de minério de ouro próximo ao rio Orinoco são responsáveis pelos altos conteúdos de mercúrio em cabelo no estado de Amazonas. Entretanto, a indústria automotriz é responsável pelo alto conteúdo de chumbo em cabelo em Caracas.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Environmental Exposure
/
Hair Analysis
/
Hair
/
Mercury
Country/Region as subject:
South America
/
Venezuela
Language:
English
Journal:
Acta amaz
Journal subject:
Science
Year:
2009
Type:
Article
Affiliation country:
Venezuela
Institution/Affiliation country:
Instituto Venezolano de Investigaciones Científicas/VE
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