pÓs-graduaÇÃo em geociÊncias Área geoquÍmica ambiental e analÍtica geociÊncias e ambiente...

PÓS-GRADUAÇÃO EM GEOCIÊNCIASÁREA GEOQUÍMICA AMBIENTAL E ANALÍTICA

GEOCIÊNCIAS E AMBIENTEBernardino R. Figueiredo – berna@ige.unicamp.br

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