Skip to main content

Table 9 Hair mercury levels in the Tapajós River Basin, Occupational Groups

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

Study Locations
and groups
N Hg mean μg/g
(median) [SD]
Range μg/g > 10 μg/ga Fish
consumption
Harada et al. 2001 Fishermen and families      
     Barreiras 76 16.4 [10.6] 1.8-53.8 75%  
     Rainha 12 14.1 [9.3] 3.1-34.5 67%  
     São Luís do Tapajós 44 20.8 [10.6] 5.1-42.2 86%  
Lebel et al. 1997 Brasília Legal      
     Fishermen 14 (27.3)   > 50% 68.8% of total meals
Lebel et al. 1998 Brasília Legal      
     Fishermen 11 23.9 [9.3]    
Santos, de Jesus et al. 2002 Sai Cinza 324 16.0 [18.9] 4,5-90,4   
     Agriculture 127 17.3 6.8-90.4   
     Gold mining 6 13.8 10.7-18.5   
     Both of the above 25 13.8 6.9-25.7   
     Others 11 12.3 6.6-20.6   
     Children up to 6 y/o 93 16.8 4.5-66.6   
     Students 38 15.1 9.0-38.7   
     Without information 24 17.0 9.6-30.8   
  1. aPercentage of the population with hair mercury levels higher than 10 μg/g.
\