scholarly journals Spatial distribution and human health risk assessment of mercury in street dust resulting from various land-use in Ahvaz, Iran

2017 ◽  
Vol 40 (2) ◽  
pp. 693-704 ◽  
Author(s):  
Ahad Nazarpour ◽  
Navid Ghanavati ◽  
Michael J. Watts
Keyword(s):  
Risk Assessment ◽  
Land Use ◽  
Spatial Distribution ◽  
Health Risk ◽  
Human Health ◽  
Health Risk Assessment ◽  
Human Health Risk ◽  
Street Dust ◽  
Human Health Risk Assessment

scholarly journals The Importance of Land Use Definition in Human Health Risk Assessment Related to Lead in Soils

2019 ◽  
Vol 2019 ◽  
pp. 1-9
Author(s):  
Ricardo Urrutia-Goyes ◽  
Nancy Ornelas-Soto
Keyword(s):  
Risk Assessment ◽  
Land Use ◽  
Health Risk ◽  
Human Health ◽  
Health Risk Assessment ◽  
Human Health Risk ◽  
Human Health Risk Assessment ◽  
Lead Contamination ◽  
Risk Indicators ◽  
Exposure Frequency

In many countries, soil contamination and lead exposure is a persistent human and environmental health issue, while in others, it is an emerging concern. Defining the extent of lead contamination and assessing human health risk allow for efficient prevention agendas. The different types of land uses delimit the exposure frequency and hence can influence the evaluation of possible threats. In this study, human health risk assessment is performed under different land use scenarios, after determining the concentration of lead in topsoil of a rehabilitated space. An analytical hybrid method was used to determine the concentrations of the heavy metal. Human health risk indicators, hazard quotient and cancer risk, were subsequently calculated and compared under such scenarios of varying population exposure by land use. Results indicate that an increasing exposure can set health risk indicators above the tolerable levels. Correctly defining the exposure frequency by land use is very important to determine the actual risk levels of a site. Local regulators should take this information into account before designing prevention plans, especially in localities where migration and urbanization are major development factors and since the land use of a public place could change over time and alter the exposure frequency to soil.

Spatial distribution of fluoride and nitrate in groundwater and its associated human health risk assessment in residents living in Western Khorasan Razavi, Iran

2019 ◽  
Vol 170 ◽  
pp. 176-186 ◽  
Author(s):  
Mehdi Qasemi ◽  
Mojtaba Afsharnia ◽  
Mansoureh Farhang ◽  
Mansour Ghaderpoori ◽  
Abdolreza Karimi ◽  
...  
Keyword(s):  
Risk Assessment ◽  
Spatial Distribution ◽  
Health Risk ◽  
Human Health ◽  
Health Risk Assessment ◽  
Human Health Risk ◽  
Human Health Risk Assessment

scholarly journals Human health risk assessment and spatial distribution of fluoride from shallow groundwater in a region of southwest China

2020 ◽  
Vol 69 (7) ◽  
pp. 733-747
Author(s):  
Kai Zhang ◽  
Xiaonan Li ◽  
Xinhui Zheng ◽  
Changdi Qiang ◽  
Xinghao Zhang
Keyword(s):  
Risk Assessment ◽  
Spatial Distribution ◽  
Health Risk ◽  
Human Health ◽  
Health Risk Assessment ◽  
Human Health Risk ◽  
Shallow Groundwater ◽  
Human Health Risk Assessment ◽  
Noncarcinogenic Risk ◽  
Regional Groundwater

Abstract This article took fluoride in shallow groundwater of a township in southwestern China as the research object. Fifty sampling points were set up in the studied area. The fluoride was tested by the ion-selective electrode method. The health risk model recommended by the United States Environmental Protection Agency was used. Based on the Chinese population, human health risk assessment was performed for fluoride in shallow groundwater in the studied area, and the Kriging interpolation method was used to simulate the spatial distribution of fluoride concentration in the area. The research showed the following. (1) The concentration of fluoride in the shallow groundwater samples in the studied area was 0.06–0.78 mg/L, with an average value of 0.35 mg/L, which was in line with the limit value (1.00 mg/L) in the standards for drinking water quality (GB 5749–2006), but its maximum value was 0.78 mg/L, which was 1.86 times of the background value. (2) The average hazard index of children and adults were 0.27 and 0.15, respectively, which were less than 1, and the risk was at an acceptable level; the noncarcinogenic risk of children was 1.8 times that of adults; the average values of total risk quotient for groundwater fluoride intake by children and adults were 0.27 and 0.15, respectively, and 1.19E-03 and 7.26E-04 by skin, respectively. This indicated that of the two routes, oral intake was the main route of exposure to fluoride. The noncarcinogenic risk values of fluoride in rural and urban areas were similar, and both were less than 1. (3) The high-value areas of fluoride were mainly concentrated in the southeast of the area, which was mainly affected by the superposition of natural factors and industrial park sewage discharge. Through human health risk assessment and spatial distribution of fluoride in regional groundwater, it can provide a theoretical basis for regional groundwater pollution prevention.

scholarly journals Concentrations, spatial distribution, and human health risk assessment of asbestos fibers in ambient air of Tehran, Iran

2021 ◽  
Vol 14 (18) ◽  
Author(s):  
Majid Kermani ◽  
Ahmad Jonidi Jafari ◽  
Mitra Gholami ◽  
Farhad Taghizadeh ◽  
Hossein Arfaeinia ◽  
...  
Keyword(s):  
Risk Assessment ◽  
Spatial Distribution ◽  
Health Risk ◽  
Human Health ◽  
Health Risk Assessment ◽  
Human Health Risk ◽  
Ambient Air ◽  
Human Health Risk Assessment ◽  
Asbestos Fibers

scholarly journals Hazard, ecological, and human health risk assessment of heavy metals in street dust in Dezful, Iran

2020 ◽  
Vol 13 (17) ◽  
Author(s):  
Fatemeh Sadeghdoust ◽  
Navid Ghanavati ◽  
Ahad Nazarpour ◽  
Timoor Babaenejad ◽  
Michael James Watts
Keyword(s):  
Heavy Metals ◽  
Risk Assessment ◽  
Health Risk ◽  
Human Health ◽  
Health Risk Assessment ◽  
Human Health Risk ◽  
Street Dust ◽  
Human Health Risk Assessment
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