Probabilistic assessment of geogenic arsenic distributions for risk management in the Kwu Tung North New Development Area

نویسندگان

چکیده

In the search for new sources of land supply, difficult ground or contamination issues may be encountered with potentially harmful trace elements existing in subsurface soils. On many occasions, these substances are naturally occurring and not result anthropogenic contamination. This paper presents multi-disciplinary efforts characterising spatial variability evaluating distributions arsenic Kwu Tung North New Development Area (KTN NDA), soil stabilisation/solidification (S/S) works to further mitigate associated health risks. Arsenic is a element that pose threat human ecosystem, it found large variations concentration at KTN NDA. Based on data from over 1,300 samples obtained across site, probabilistic estimates were made regarding arsenic-containing soil, volumes require S/S treatment. Through this approach, volume presented various levels confidence, subsequent treatment can planned time-efficient cost-effective way according tolerable risk availability resources. Successful application approach NDA demonstrates its applicability other projects geogenic soil.

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ژورنال

عنوان ژورنال: HKIE Transactions

سال: 2022

ISSN: ['2326-3733', '1023-697X']

DOI: https://doi.org/10.33430/v29n3thie-2021-0024