Radiation Protection Dosimetry Advance Access published online on May 15, 2006
Radiation Protection Dosimetry, doi:10.1093/rpd/ncl060
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SCIENTIFIC AND TECHNICAL PAPER
1 Malaysian Institute for Nuclear Technology Research (MINT), Bangi, 43000 Kajang, Selangor D.E., Malaysia
* To whom correspondence should be addressed.
Absorbed dose rates in vehicles during travelling by different modes of transport in Malaysia were measured. Radiation levels measured on roads in Peninsular Malaysia were within a broad range, i.e. between 36 and 1560 nGy h-1. The highest reading, recorded while travelling near monazite and zircon mineral dumps, was 13 times the mean environmental radiation level of Malaysia. It is evident that radioactive material dumps on the roadsides can influence the radiation level on the road. The absorbed dose rates measured while travelling on an ordinary train were between 60 and 350 nGy h-1. The highest reading was measured when the train passed a tunnel built through a granite rock hill. The measurement during sea travelling by ferries gave the lowest radiation level owing to merely cosmic radiation at the sea level.
Received February 22, 2006
Revised April 12, 2006
Accepted April 17, 2006
RADIATION EXPOSURE DURING TRAVELLING IN MALAYSIA
M. Omar 1 *,
A. Hassan 1,
and
I. Sulaiman 1
M. Omar, E-mail: muhamat{at}mint.gov.my
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