Spatiotemporal Characteristics and Health Risk Assessment of Heavy Metals in PM2.5 in Zhejiang Province

He, Shengliang; Chen, Shuchang; Zhang, Yongli; Wang, Aihong; Luo, Jinbin; Ye, Xialiang; Mo, Zhe; Wu, Lizhi; Xu, Pingwei; Cai, Guanqiang; Chen, Zhijian; Lou, Xiaoming

doi:10.3390/ijerph15040583

Cited by 45 publications

(18 citation statements)

References 30 publications

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“…Therefore, for children was lower due to the lower exposure duration. A similar finding is reported in Bello et al [21] as well as in Wang et al [53] regarding of inhaled PM2.5-bound trace metals. However, both studies found that for children was higher than that for adults through ingestion exposure.…”

Section: Cancer Riskssupporting

confidence: 89%

“…Additionally, using the first methodology to estimate the hazard quotient produced equal estimates for adults and children. The same observation is reported in Wang et al [53] regarding inhalation exposure of heavy metals in fine particles. On the contrary, using the second methodology to obtain HQ, higher estimates corresponded to children compared to adults.…”

Section: Hazard Quotientssupporting

confidence: 87%

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Characterization of Human Health Risks from Particulate Air Pollution in Selected European Cities

et al. 2019

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The objective of the current study was to estimate health risk indexes caused by the inhalation of particulate matter (PM) by adult males and children using data sampled in three European cities (Athens, Kuopio, Lisbon). Accordingly, the cancer risk (CR) and the hazard quotient (HQ) were estimated from particle-bound metal concentrations whilst the epidemiology-based excess risk (ER), the attributable fraction (AF), and the mortality cases were obtained due to exposure to PM10 and PM2.5. CR and HQ were estimated using two methodologies: the first methodology incorporated the particle-bound metal concentrations (As, Cd, Co, Cr, Mn, Ni, Pb) whereas the second methodology used the deposited dose rate of particle-bound metals in the respiratory tract. The indoor concentration accounts for 70% infiltration from outdoor air for the time activity periods allocated to indoor environments. HQ was lower than 1 and the cumulative CR was lower than the acceptable level (10−4), although individual CR for some metals exceeded the acceptable limit (10−6). In a lifetime the estimated number of attributable cancer cases was 74, 0.107, and 217 in Athens, Kuopio, and Lisbon, respectively. Excess risk-based mortality estimates (due to outdoor pollution) for fine particles were 3930, 44.1, and 2820 attributable deaths in Athens, Kuopio, and Lisbon, respectively.

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Section: Cancer Riskssupporting

confidence: 89%

Section: Hazard Quotientssupporting

confidence: 87%

Characterization of Human Health Risks from Particulate Air Pollution in Selected European Cities

et al. 2019

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“…Table 9 shows the spatial location of typical measuring points of Jinping-I arch dam based on the spatiotemporal hybrid model. After standardizing the X and Z coordinate values, we can substitute them into Equations (15) and (28) as (x, z). Table 9.…”

Section: Spatiotemporal Hybrid Model Resultsmentioning

confidence: 99%

“…More and more attention has been paid to the representation methods which are specially aimed at the characteristics and requirements of spatiotemporal data [9][10][11][12][13][14][15], such as panel data, spatial panel data, and other emerging methods. Many scholars have conducted a lot of research in this regard.…”

Section: Introductionmentioning

confidence: 99%

Application of Spatiotemporal Hybrid Model of Deformation in Safety Monitoring of High Arch Dams: A Case Study

Shao

et al. 2020

IJERPH

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As an important feature, deformation analysis is of great significance to ensure the safety and stability of arch dam operation. In this paper, Jinping-I arch dam with a height of 305 m, which is the highest dam in the world, is taken as the research object. The deformation data representation method is analyzed, and the processing method of deformation spatiotemporal data is discussed. A deformation hybrid model is established, in which the hydraulic component is calculated by the finite element method, and other components are still calculated by the statistical model method. Since the relationship among the measuring points is not taken into account and the overall situation cannot be fully reflected in the hybrid model, a spatiotemporal hybrid model is proposed. The measured values and coordinates of all the typical points with pendulums of the arch dam are included in one spatiotemporal hybrid model, which is feasible, convenient, and accurate. The model can predict the deformation of any position on the arch dam. This is of great significance for real-time monitoring of deformation and stability of Jinping-I arch dam and ensuring its operation safety.

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“…The higher carcinogenic risk has been found in children and adult for lead (Pb) and Nickel (Ni). Various studies have also reported that the carcinogenic risks by lead exposure exceeded the acceptable level for both children and adult [44][45][46][47]. for resident adult, worker and resident children in Okpella Bua cement production area.…”

Section: Discussionmentioning

confidence: 99%

Mass Concentration and Elemental Constituent of Particulate Matter in Ambient Air of Two Cement Industries and Its Health Risk Analysis

Onwuka

Avwiri

Ononugbo

2020

AIR

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Particulate matter concentration was measured over two cement production sites in Nigeria using a gravimetric high volume air sampler and Atomic Absorption Spectroscopy (AAS) for elemental analysis. The mass concentration of SPM ranged from 7.50 µg/m3 to 303.1 µg/m3 with mean value of 157.9 µg/m3 /day in Okpella Bua cement production site and 4.4 to 283.3 µg/m³ with mean value of 103.2 µg/m³/day for Unicem cement production site, Calabar. The elemental analysis shows the presence of Zn, Pb, Ni, Mn, Cr and Cd. The heavy metals in the order of decreasing concentration are Zn> Pb> Ni > Mn> Cr> Cd: 7.84> 2.60> 2.00> 0.80> 0.76 > 0.11 (µg/m3) respectively. All the values were higher than NESREA limit except Mn in Okpella Bua site. In UNICEM Calabar site, heavy metal distribution showed Zn> Pb> Ni> Mn> Cr> Cd: 12.50> 3.00> 1.26> 0.66> 0.41> 0.14 (µg/m3), respectively. The carcinogenic risks estimated exceeded the acceptable limit for adult, workers and children. The result showed that about 106 adults and 227 children will be affected by cancer related health problem. The mean value of the hazard quotient (HQ) was 1.46 and 2.46 from Unicem and 1.76 and 2.95 from Bua cement area for chromium and lead exposure of adult and children respectively, which shows the occurrence of the non-carcinogenic health effect on both adult and children. The result of this work revealed that children have higher risk than adult due to exposure to this inhalable particulate matter.

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Spatiotemporal Characteristics and Health Risk Assessment of Heavy Metals in PM2.5 in Zhejiang Province

Cited by 45 publications

References 30 publications

Characterization of Human Health Risks from Particulate Air Pollution in Selected European Cities

Characterization of Human Health Risks from Particulate Air Pollution in Selected European Cities

Application of Spatiotemporal Hybrid Model of Deformation in Safety Monitoring of High Arch Dams: A Case Study

Mass Concentration and Elemental Constituent of Particulate Matter in Ambient Air of Two Cement Industries and Its Health Risk Analysis

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