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Table 6 Hair mercury levels in the Tapajós River Basin, General Population

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

Study Location N Hg mean μg/g
(median) [SD]
Range μg/g > 10 μg/ga Fish
consumption
Akagi et al. 1995 Rainha 11 15.8 2.4-31.0   
  Brasília Legal 56 22.6 3.5-151.0   
  Ponta de Pedra 10 10.2 6.2-12.6   
  Jacareacanga 48 16.6 1.5-46.0   
Barbosa et al. 1997 Apiacás Reservation 55 34.2 (42.8) ?-128 93% ≈ 6 times/week
Crompton et al. 2002 Jacareacanga 205 8.6 0.3-83.2   
Dorea et al. 2005 Kaburuá 89 2.5 [1.4]    22 g/day
  Cururu Mission 138 3.7 [1.6]    32 g/day
  Terra Preta 22 6.0 [2.9]    52 g/day
  Kayabi 47 12.8 [7.0]    110 g/day
Malm et al. 1995 Jacareacanga 10 25.0 5.7-52.0   
  Brasília Legal 13-29 26.0 4.7-151.0   
  Ponta de Pedra 4-26 12.0    
  Santarem 11 2.7    
Pinheiro, Guimarães et al. 2000 Rainha 29 17.2    
  Barreiras 111 18.9    
  São Luís do Tapajós 30 25.3    
  Paranα-Mirim 21 9.2    
Pinheiro, Nakanishi et al. 2000 Rainha 29 17.6    
  Barreiras 78 19.1    
Santos et al. 2000 Brasília Legal 220 11.8 [8.0] 0.5-50.0   10 meals/week
  São Luís do Tapajós 327 19.9 [12.0] 0.1-94.5   13 meals/week
  Santana do Ituquí 321 4.3 [1.9] 0.4-11.6   13 meals/week
Santos, Camara et al 2002 Santana do Ituquí 321 4.3 [2.2] 0.4-12.0   12.7 meals/week
  Aldeia do Lago Grande 316 4.0 [2.1] 0.4-12.0   12.0 meals/week
  Vila do Tabatinga 499 5.4 [3.1] 0.4-17.0   10.5 meals/week
Santos, de Jesus et al. 2002 Sai Cinza 324 16.0 [18.9] 4,5-90,4   
Silva et al. 2004 Jacareacanga 140 (8.0) 0.3-58.5   
  Rio-Rato 98   0.01-81.4   
  1. a Percentage of the population with hair mercury levels higher than 10 μg/g.
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