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    STUDIA AMBIENTUM - Issue no. 1-2 / 2012  
         
  Article:   EXPOSURE ASSESSMENT OF POPULATION FROM RADAUTI AREA.

Authors:  EMESE KOZMA-KIS, ANCA-OLIVIA RUSU, ANDREA BLAGA, GABRIEL GATI, IRINA DUMITRASCU, IULIA NEAMTIU, EUGEN STELIAN GURZAU. 		 
       
         
  Abstract:   Inhalation is an important pathway for human exposure to contaminants that could cause severe health effects. The aim of this study is to evaluate the spatial distribution of air pollutants concentrations (SO2, PM10, PM2.5, CH2O and total VOC) in Radauti area and to calculate the risk of developing a malignant tumor in life following to the exposure to formaldehyde. The exposure dose and the risk of developing cancer due to formaldehyde exposure were estimated with the ATSDR Dose Calculator. The spatial distribution of the concentrations was modeled using Quantum GIS 1.8. and its GRASS 6.4.2. interface and the results were presented on maps. The high concentrations of hazardous substances in the area are probably generated by traffic and industries, the highest concentrations being measured in the city of Radauti and in the surroundings. The estimated additional cancer risk when exposed for 15 years falls between 1.39E-05 and 9.19E-05, which predicts the likelihood of one to nine additional cancer cases in a population of one hundred thousand people; and when exposed for 30 years the estimated additional cancer risk falls between the range of 2.79E-05 and 1.84E-04, which predicts the likelihood of three to six additional cancer cases in a population of one hundred thousand people and one to two additional cancer cases in a population of ten thousand people. 

Key words: air pollutants, formaldehyde, cancer risk, spatial distribution
 
         
     
         
         
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