Spatial and temporal variations in arsenic exposure via drinking-water in northern Argentina.
J Health Popul Nutr
;
2006 Sep; 24(3): 317-26
Artigo
em Inglês
| IMSEAR
| ID: sea-806
ABSTRACT
This study evaluated the spatial, temporal and inter-individual variations in exposure to arsenic via drinking-water in Northern Argentina, based on measurements of arsenic in water, urine, and hair. Arsenic concentrations in drinking-water varied markedly among locations, from <1 to about 200 microg/L. Over a 10-year period, water from the same source in San Antonio de los Cobres fluctuated within 140 and 220 microg/L, with no trend of decreasing concentration. Arsenic concentrations in women's urine (3-900 microg/L, specific weight 1.018 g/mL) highly correlated with concentrations in water on a group level, but showed marked variations between individuals. Arsenic concentrations in hair (range 20-1,500 microg/kg) rather poorly correlated with urinary arsenic, possibly due to external contamination. Thus, arsenic concentration in urine seems to be a better marker of individual arsenic exposure than concentrations in drinking-water and hair.
Texto completo:
DisponíveL
Índice:
IMSEAR (Sudeste Asiático)
Assunto principal:
Argentina
/
Arsênio
/
Poluentes Químicos da Água
/
Abastecimento de Água
/
Humanos
/
Biomarcadores
/
Urinálise
/
Exposição Ambiental
/
Cabelo
País/Região como assunto:
América do Sul
/
Argentina
Idioma:
Inglês
Revista:
J Health Popul Nutr
Assunto da revista:
Gastroenterology
/
Nutritional Sciences
/
Public Health
Ano de publicação:
2006
Tipo de documento:
Artigo
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