Human Health and Ecological Risks Associated with Total and Bioaccessible Concentrations of Cadmium and Lead in Urban Park Soils

被引：3
|
作者：
Khan, Muhammad Amjad [1 ,2 ,3 ]
Nawab, Javed [4 ]
Khan, Anwarzeb [2 ]
Brusseau, Mark L. L. [3 ]
Khan, Shah Nawaz [5 ]
Ali, Neelum [2 ]
Bahadur, Saraj [6 ]
Khan, Sardar [2 ]
Huang, Qing [1 ]
机构：
[1] Hainan Univ, Coll Ecol & Environm, Haikou 570228, Peoples R China
[2] Univ Peshawar, Dept Environm Sci, Peshawar 25120, Pakistan
[3] Univ Arizona, Sch Earth & Environm Sci, Tucson, AZ 85721 USA
[4] Kohat Univ Sci & Technol, Dept Environm Sci, Kohat, Pakistan
[5] Univ Peshawar, Ctr Disaster Preparedness & Management, Peshawar 25120, Pakistan
[6] Hainan Univ, Coll Forestry, Haikou 570228, Peoples R China
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2023年 / 110卷 / 03期
基金：
海南省自然科学基金;
关键词：
Bioaccessibility; Carcinogenic; Health risk; Daily intake; Ecological risk; HEAVY-METALS; BIOAVAILABILITY; ASSESSMENTS; ELEMENTS; DUST; CITY;
D O I：
10.1007/s00128-023-03703-x
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study investigated the total and bioaccessible concentrations of cadmium (Cd) and lead (Pb) in urban soils and their associated human health and ecological risk. Total and bioaccessible metal concentrations were found within the safe limits except for Cd, surpassing the State Environmental Protection Administration (SEPA) China limit in 9.5% of parks. Bioaccessible concentrations were higher in the gastric (G) phase than the intestinal (I) phase, while Cd showed more bioaccessibility compared to Pb. Bioaccessible concentrations reduced Hazard Quotient (HQ(ing)) values by 2-22 times and 0-2 times for children and adults, respectively, while hazard index (HI) declined by 1.7 times, and the mean total bioaccessible risk of Pb decreased by 20.8 times. Further, the study revealed a low level of contamination factor (CF < 1) and a low degree of contamination (CD < 6), and Potential Ecological Risk Index (PERI) values for all the cities were less than 150, indicating low ecological risk.
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页数：8
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