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Table 8 Hair mercury levels in the Tapajós River Basin Women and Children

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

Studied
population
Location N Hg mean μg/g
(median) [SD]
Range μg/g > 10 μg/ga Fish
consumption
Mothers and
their Children
      
   Grandjean et al. 1999 Mothers 114 11.6 (14.0)    
  Children   11.0 (12.8) 0.5-83.5   2 meals/day
     Brasilia Legal 76 11.9 0.7-35.8 76%  
     São Luís do Tapajós 71 25.4 0.6-83.5 91%  
     Sai-Cinza 87 17.7 7.3-63.8 92%  
     Santana do Ituquí 105 3.8 0.5-12.4 2%  
Children       
   Barbosa et al. 1997 Apiacás Reservation 28 29   86%  
   Dorea, Barbosa et al. 2005 Kaburuá 77 2.9 [2.1]    
  Cururu Mission 86 4.8 [2.1]    
  Kayabi 40 16.6 [11.4]    
   Pinheiro et al. 2007 São Luís do Tapajós 48 10.9 1.3-53.8 52%  
  Barreiras 84 6.1 1.4-23.6 21%  
Women       
   Barbosa et al. 1997 Apiacás Reservation 13 41.2   100%  
   Dolbec et al. 2001 Cametá 98 (12.5) 2.9-27.0 >50%  
   Hacon et al. 2000 Alta Floresta 75 1.12 [1.2] 0,05-8,2 0% 8-20 g/day
   Passos et al. 2003 Brasília Legal 26 10.0 (9.1) 4.0-20.0 ≈ 50% 8 meals/week
   Pinheiro et al. 2007 São Luís do Tapajós      5-14 meals/week
  Rainha, and Barreiras      
     Pregnant 19 8.2 1.5-19.4 37%  
     Non-pregnant 21 9.4 5.2-21.0 28%  
   Pinheiro et al. 2005 São Luís do Tapajós 28 13.7 3.2-30.04 36%  
  Barreiras 39 12.1 3.04-33.4 38%  
  1. aPercentage of the population with hair mercury levels higher than 10 μg/g.