Abstract
Road dust is viewed as one of the major contributors for metal pollution in urban environment and long-term exposure can cause chronic damage through ways of inhalation, ingestion, and dermal contact so they pose a great threat on human health. The article presents a study conducted to determine the concentrations of seven heavy metals in road dust from a chosen street in Cracow, and the impact of heavy metals contamination in surface street dust on human health using Health Risk Assessment. The health risk was assessed using Hazard Quotient (HQ), Health Index (HI) and Carcinogenic Risk (RI).
Highlights
Dust on urban impervious surface which contain heavy metals, has become one of the most important issues in urban environmental management and it’s considered as toxic [1,2,3]
As different types of chemicals bring different influences on human bodies, risk assessments of these chemicals can be characterized by non-carcinogenic risk (HI) and carcinogenic risk (RI), Carcinogenic risk refers to the incremental probability of an individual developing any kind of cancer as a result of exposure to carcinogens [7, 8]
This route characterizes with heavy traffics over 3000 vehicles per hour which is 3 times more than on Halszki Street
Summary
Dust on urban impervious surface which contain heavy metals, has become one of the most important issues in urban environmental management and it’s considered as toxic [1,2,3]. It can be re-suspended under certain outside dynamic condition, pollutants adsorbed on them enter human body by the pathways of respiratory inhalation and direct skin contact [1, 4, 5]. The results were referred to the results of the Life Cycle Assessment (LCA) carried out on a similar subject and compared with result of Health Risk Assessment carried out for another major street in Kraków [11, 12]
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