Penilaian risiko kanser dari sampel tanih di sekitar kawasan perindustrian Gebeng, Pahang dan sampel amang di Perak

Translated title of the contribution: Assessments of cancer risk from soil samples in Gebeng Industrial Estate, Pahang and amang samples in Perak

Che Nor Aniza Binti Che Zainul Bahri, Khoo Kok Siong Kok Siong, Amran Ab. Majid, Norafatin Binti Khalid

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Industrial activities such as the tin tailings and rare earth processing contribute to radiological risk to human health and environment. Those activities can accumulate the naturally occurring radioactive materials (NORM) with significant concentration in the environment. The aims of this study was to determine the activities concentration of Thorium-232 (232Th), Uranium-238 (238U) and Potassium-40 (40K) in soil samples around the Gebeng Industrial Estate, Pahang and in samples of ilmenite and monazite from three tin tailings processing plants in Perak using gamma ray spectrometry. The terrestrial gamma dose rate, the annual dose and cancer risk were also determined. The activities concentration of 232Th, 238U and 40K in the Gebeng soil samples were found in the range of 14.3-102.4, 23.8-81.3 and 73.3-451 Bq kg-1, respectively. While the activities concentration of 232Th, 238U and 40K for ilmenite and monazite samples were in the range of 259-166500, 194-28750 and 26.4-11991 Bq kg-1, respectively. The range terrestrial gamma dose rate at the Gebeng Industrial Estate was 22-108 nGy h-1 and the tin tailings processing plants was 390-6650 nGy h-1. Whereas the annual dose at the Gebeng Industrial Estate and tin tailings processing plants were 0.02-0.15 and 0.47-68 mSv y-1, respectively. The study showed that the cancer risk in the Gebeng industrial area were 4 peoples per million and 3702 peoples per million in the tin tailings processing plants. The activity concentration of soil from industrial area reported by UNSCEAR 2000 was in range of the Malaysia soil background. The activity concentration, the terrestrial gamma dose rate, the annual dose and the cancer risk were lower in the industrial area compared to tin tailings processing plants due to the high activity among the tin tailings processing area due to the high content of thorium in monazite. This study is recommended to monitor the environmental dose continuously in order to ensure the sustainability of human and environment.to ensure the sustainability of human and environment.

Original languageUndefined/Unknown
Pages (from-to)337-343
Number of pages7
JournalMalaysian Journal of Analytical Sciences
Volume18
Issue number2
Publication statusPublished - 2014

Fingerprint

Tin
Tailings
Soils
Processing
Thorium
Sustainable development
Radioactive materials
Uranium
Gamma rays
Spectrometry
Rare earths
Dosimetry
Potassium
Health
monazite

Keywords

  • Activity concentration
  • Amang
  • Cancer risk
  • Natural radionuclide

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Penilaian risiko kanser dari sampel tanih di sekitar kawasan perindustrian Gebeng, Pahang dan sampel amang di Perak. / Che Zainul Bahri, Che Nor Aniza Binti; Kok Siong, Khoo Kok Siong; Ab. Majid, Amran; Khalid, Norafatin Binti.

In: Malaysian Journal of Analytical Sciences, Vol. 18, No. 2, 2014, p. 337-343.

Research output: Contribution to journalArticle

Che Zainul Bahri, Che Nor Aniza Binti ; Kok Siong, Khoo Kok Siong ; Ab. Majid, Amran ; Khalid, Norafatin Binti. / Penilaian risiko kanser dari sampel tanih di sekitar kawasan perindustrian Gebeng, Pahang dan sampel amang di Perak. In: Malaysian Journal of Analytical Sciences. 2014 ; Vol. 18, No. 2. pp. 337-343.
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