Estimating the Possibility of Surface Soil Pollution with Atmospheric Lead Deposits Using the ADMER Model

Binh Nguyen Thi Lan, Takeshi Kobayashi, Atsushi Suetsugu, Xiaowei Tian and Takashi Kameya
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Binh Nguyen Thi Lan: Department of Risk Management and Environmental Sciences, Yokohama National University, Yokohama 240-8501, Japan
Takeshi Kobayashi: Department of Risk Management and Environmental Sciences, Yokohama National University, Yokohama 240-8501, Japan
Atsushi Suetsugu: Department of Risk Management and Environmental Sciences, Yokohama National University, Yokohama 240-8501, Japan
Xiaowei Tian: Department of Risk Management and Environmental Sciences, Yokohama National University, Yokohama 240-8501, Japan
Takashi Kameya: Department of Risk Management and Environmental Sciences, Yokohama National University, Yokohama 240-8501, Japan

Sustainability, 2018, vol. 10, issue 3, 1-12

Abstract: The literature assessing the risks of soil pollution from atmospheric lead (Pb) deposition is still insufficient, given that Pb deposition can cause large-scale surface soil pollution. This study estimated the possibility of Pb deposition causing soil pollution by calibrating a numerical model of deposition flux with a measured Pb content dataset in proximity to a pollution source. A total 34 surface soil samples were collected around an industrial park that emits Pb into the atmosphere. The sample’s Pb content was determined using hydrochloric acid extraction and an ICP-MS. The amount of annual Pb deposition was estimated using the atmospheric dispersion model for exposure and risk assessment (ADMER model). This approach resulted in accurate predictions of Pb distribution for most sites (<800 m from the pollution source), but the results indicated that the dry deposition velocity of Pb-containing particles was a significant determinant of horizontal Pb distribution. We conducted a sensitivity analysis of the ADMER’s estimated Pb deposition flux values by changing the diameter of Pb-containing particles. This analysis showed large fluctuations in soil Pb content within 1 km of the source, within the range of the previously reported dry deposition velocity.

Keywords: atmospheric lead deposition; surface soil pollution; Pb particles; ADMER model; PRTR (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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