Characteristics and Risk Assessment of 16 Metals in Street Dust Collected from a Highway in a Densely Populated Metropolitan Area of Vietnam

被引：12

作者：

Nguyen, Van-Truc ^{[1
]}

Duy Dat, Nguyen ^{[2
]}

Vo, Thi-Dieu-Hien ^{[3
]}

Nguyen, Duy-Hieu ^{[4
]}

Nguyen, Thanh-Binh ^{[5
]}

Nguyen, Ly-Sy Phu ^{[6
,7
]}

Nguyen, Xuan Cuong ^{[8
,9
]}

Dinh, Viet-Cuong ^{[10
]}

Nguyen, Thi-Hong-Hanh ^{[11
]}

Huynh, Thi-Minh-Trang ^{[12
]}

Hoang, Hong-Giang ^{[13
]}

Duong, Thi-Giang Huong ^{[1
]}

Bui, Manh-Ha ^{[1
]}

Bui, Xuan-Thanh ^{[14
,15
]}

机构：

[1] Saigon Univ, Dept Environm Sci, Ho Chi Minh City 700000, Vietnam

[2] Ho Chi Minh City Univ Technol & Educ, Fac Chem & Food Technol, Ho Chi Minh City 700000, Vietnam

[3] Nguyen Tat Thanh Univ, Fac Environm & Food Engn, Ho Chi Minh City 700000, Vietnam

[4] Natl Kaohsiung Univ Sci & Technol, Coll Maritime, Kaohsiung 81157, Taiwan

[5] Natl Kaohsiung Univ Sci & Technol, Dept Marine Environm Engn, Kaohsiung 81157, Taiwan

[6] Univ Sci, Fac Environm, Ho Chi Minh City 700000, Vietnam

[7] Vietnam Natl Univ, Ho Chi Minh City 700000, Vietnam

[8] Duy Tan Univ, Inst Res & Dev, Ctr Adv Chem, Da Nang 550000, Vietnam

[9] Duy Tan Univ, Fac Environm Chem Engn, Da Nang 550000, Vietnam

[10] Hanoi Univ Civil Engn, Fac Environm Engn, 55 Giai Phong, Hanoi 100000, Vietnam

[11] Vietnam Maritime Univ, Dept Civil Engn, Hai Phong 180000, Vietnam

[12] Natl Cent Univ, Grad Inst Appl Geol, Taoyuan 32000, Taiwan

[13] Dong Nai Technol Univ, Fac Hlth Sci & Finance Accounting, Bien Hoa 810000, Vietnam

[14] Vietnam Natl Univ Ho Chi Minh VNU HCM, Key Lab Adv Waste Treatment Technol, Linh Trung Ward, Ho Chi Minh City 700000, Vietnam

[15] Ho Chi Minh City Univ Technol HCMUT, Fac Environm & Nat Resources, Ho Chi Minh City 700000, Vietnam

来源：

ATMOSPHERE | 2021年 / 12卷 / 12期

关键词：

metals; street dust; enrichment factor; geo-accumulation index; ecological risk; Vietnam; URBAN ROAD DUST; HEAVY-METALS; HEALTH-RISK; POLLUTION CHARACTERISTICS; ELEMENTAL CONCENTRATIONS; SOURCE APPORTIONMENT; CITY; CONTAMINATION; DISTRIBUTIONS;

D O I：

10.3390/atmos12121548

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The present study focused on investigating the contamination and risk assessment for 16 metals in street dust from Ha Noi highway, Ho Chi Minh City. The results indicated that the concentrations of metals (mg/kg) were found, in decreasing order, to be Ti (676.3 +/- 155.4) > Zn (519.2 +/- 318.9) > Mn (426.6 +/- 113.1) > Cu (144.7 +/- 61.5) > Cr (81.4 +/- 22.6) > Pb (52.2 +/- 22.9) > V (35.5 +/- 5.6) > Ni (30.9 +/- 9.5) > Co (8.3 +/- 1.2) > As (8.3 +/- 2.5) > Sn (7.0 +/- 3.6) > B (5.7 +/- 0.9) > Mo (4.1 +/- 1.7) > Sb (0.8 +/- 0.3) > Cd (0.6 +/- 0.2) > Se (0.4 +/- 0.1). The geo-accumulation index (I-geo) showed moderate contamination levels for Pb, Cd, Cu, Sn, Mo, and Zn. The enrichment factor (EF) values revealed moderate levels for Cd, Cu, Mo, and Sn but moderate-severe levels for Zn. The pollution load index of the heavy metals was moderate. The potential ecological risk (207.43) showed a high potential. Notably, 40.7% and 33.5% of the ecological risks were contributed by Zn and Mn, respectively. These findings are expected to provide useful information to decision-makers about environmental quality control strategies.

引用

页数：18

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