Pb-210 in rock and soils of the semi-arid agreste region of Pernambuco, Brazil.
The aim of this research was to determine (210)Pb concentrations in rocks and soils of farms located in the municipalities of Pedra and Venturosa. In these farms, rolled blocks of mafic rock with a high percentage of U(3)O(8) were found. The concentrations of (210)Pb varied from 3.2 to 201 kBq kg(-1) in rock samples and from 195 to 86,400 Bq kg(-1) in soil samples. The high levels of radioactivity found in the samples, indicate the need to conduct more detailed studies to evaluate the risk of radionuclide ingestion due to milk consumption by the population in the state of Pernambuco.
Silva
C M
CM
Departamento de Energia Nuclear, DEN-UFPE, Cidade Universitária, Avenida Professor Luiz Freire, 1000, Recife, CEP-50740-540, Brazil. cleomaciomiguel@yahoo.com
Amaral
R S
RS
Tabosa
J N
JN
Santos Júnior
J A
JA
Menezes
R S C
RS
Farias
E E G
EE
Bezerra
J D
JD
Silvestre
R G
RG
Oliveira
G F
GF
D001938:Brazil; D002980:Climate; D003612:Dairying; D007856:Lead Radioisotopes / Q000032:analysis*; D008903:Minerals / Q000032:analysis; D012987:Soil / Q000032:analysis*
D007856:Lead Radioisotopes; D008903:Minerals; D012987:Soil