pÓs-graduaÇÃo em geociÊncias Área geoquÍmica ambiental e analÍtica geociÊncias e ambiente...
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PÓS-GRADUAÇÃO EM GEOCIÊNCIASÁREA GEOQUÍMICA AMBIENTAL E ANALÍTICA
GEOCIÊNCIAS E AMBIENTEBernardino R. Figueiredo – [email protected]
ROTAS DOS POLUENTES NO AMBIENTE
Mina de Fe de N4E - CVRDSerra dos Carajás - Pará
Garimpo de Ouro no Suriname - Amazônia
FONTES DOS METAIS
Chumbo
Rio Ribeira de Iguape
Sete Barras
COLUNA DE SEDIMENTOS
3434
3131
3745
141
158192
39
0 50 100 150 200 250
140 a 120
80 a 60
20 a 0
20 a 40
prof
. (cm
)
concentração de Pb.
hiato
Indústria
15,4
15,5
15,6
15,7
15,8
16 17 18 19 20
206Pb/204Pb
207Pb/204Pb
1
10
4
Perau Panelas
Andes
USO DE ISÓTOPOS DE CHUMBOCOMO TRAÇADORES DE FONTES
Municípios Vale do Ribeira
Iporanga
Ribeira
Adrianópolis
Cerro Azul
Mean blood lead levels in children and adults
0
2
4
6
8
10
12
14
BL
L (
ug
/dL
) Children
Adults
Ribeira Adrianó Vila Mota Porto Novo Serra Cerro polis Capelinha Iporanga Azul
5.40
3.82
6.06
4.36
11.8911.10
4.17 4.425.36
3.46
2.37 2.15
Refinaria PlumbumVale do Ribeira
Lead concentrations in surface and tap water
Year Pb (mg/L) Reference Surface water
1982-1999 <0,02 a 0,23 CETESB, 1979 to 20001986 <0,01-0,21 Eysink et al.,1988
1997-1998 <0,002 a 0,005 CETESB, 20001998-2000 <0,005-0,006 This study
Tap water1999 <0,005-0,008 This study
0
500
1000
1500
2000
2500
3000
3500
4000
Lead concentrations in stream sediments in the Upper Ribeira Valley
Eysink et al. (1988) Eysink et al. (1991)
This study (1999) CETESB (2000)
Ribeira Itaóca Betari Iporanga
0
2
4
6
8
10
12
14
Mean blood Pb level in children
Ribeira AdrianópolisVila Mota
and
Capelinha
Porto Novo Serra Cerro Azul
Consumption of fishNo consumption of fish
0
2
4
6
8
10
12
14
Mean blood Pb level in children who use to eat vegetables from their
vegetable-garden
Ribeira Adrianópolis Vila Mota
and
Capelinha
Porto Novo Serra Cerro Azul
Consumption of vegetables vsNo consumption
Amostragem de solo e poeira doméstica
Sample Lead pH Distance from number (ug/g) Plumbum refinery
1 174,6 6.6 5 km2 432,4 6.6 2.5 km3 342,8 7.9 1,2 km Sample Lead pH Distance from 4 63,0 6.2 1 km number (ug/g) Plumbum refinery5 671,6 6.7 1 km 12 244,6 5.9 1.5 km
6* 904,0 6.5 300 m 13* 216,8 7.2 1.7 km7 397,3 6.5 500 m 14* 292,6 6.3 1.8 km8 915,6 6.3 900 m 15 37,4 5.9 2 km
9* 801,6 5.5 900 m 16 51,6 5.6 3,5 km10 75,7 5.0 1 km 17 75,8 5.9 3,6 km11 117,4 6.7 1.4 km 18 57,9 5.8 4.5 km
* vegetable-garden 19 21,4 5.6 6.5 km20 37,4 5.8 6.0 km21 26,0 5.5 9.5 km
Tab. 4: Lead concentration in soil
Poeira doméstica - 84-3268 g/g Pb
Solo – 0-20 cm
1,02
1,07
1,12
1,17
1,22
16,00 16,50 17,00 17,50 18,00 18,50 19,00 19,50 20,00
206Pb/204Pb
206P
b/20
7Pb
Panelas
Perau
Pb isotopic compositions of stream sediments from the
Ribeira Valley, Brazil.
Peruvian Pb deposits
1
911
1- 8 and 10
A
Amostras de Sangue
“Everithing is a poison, nothing is a poison, the dose alone is the poison”
P.A. Paracelsus (1496-1541)
In this portrait Paracelsus is shown surrounded by various philosophical symbols, including his famous sword. From Paracelsus: Etliche Tractaten, zum ander Mal in Truck auszgangen. Vom Podagra und seinem Speciebus (Coln, 1567). Washington University Collection. (http://www.nlm.nih.gov/exhibition/paracelsus/paracelsus_1.html)
Mercúrio
Soils / Vegetation
Hg 2 + CH Hg3
+
DO C Boundm ercury
Me
thy
latio
n
Fish
LoonsHg 2 +
Trees
Soil
Hg 2 +
CH Hg3
+
Hg 0
Atm osphere
Geology
Water
Sedim ents
Flux
Wetlands
Food Chains
M icrobialTransform ations
Hg 2 +Hg 0
Hg 0
DO C Boundm ercury
HgSDO C Boundm ercury
GIS Analysis Remote Sensing Analytical Developm ent
O CICLO DO MERCÚRIO
Toxicidade
Metil-mercúrio
Bioacumulação