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Table 5 Hair mercury levels in Brazilian River Basins, Occupational Groups

From: Hair mercury levels in Amazonian populations: spatial distribution and trends

Study

Location

N

Hg mean μg/g

Range

> 10 μg/ga

Fish

consumption

River Basin

  

(median) [SD]

   

Guimarães et al 1999

Pracuúba Lake

15

16.7

   

   Tartarugal Grande River (Fishermen)

Duas Bocas Lake

15

28.0

 

87%

14 meals/week (200 g per day)

 

Groups

     

Palheta & Taylor 1995

Garimpeiros

20

 

0.4-32.

  

   Gurupi River

Cachoeira Villagers

5

 

0.8-4.6

  
 

River dwellers

10

 

0.2-15

  
  1. The Tapajos and Madeira Rivers basins are not displayed in this table (see Tables 5, 6, 7, 8, 9, 10). aPercentage of the population with hair mercury levels higher than 10 μg/g.
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International Journal of Health Geographics

ISSN: 1476-072X