Hair mercury levels in Amazonian populations: spatial distribution and trends

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

Studied population	Location	N	Hg mean μg/g (median) [SD]	Range μg/g	> 10 μg/g^a	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%

ISSN: 1476-072X