On the high hills of CH in Malaysia, the man-made radionuclide Cs-137 is still detectable at a few Bq/kg level. Cs-137 detected originated from the fall-out due to the nuclear testings in the 60's as well as the Chernobyl accident in 1986. This detected Cs-137 is now being explored by our research group, to be used as marker for soil erosion study at high hill areas.
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