Assessment of Pollution Sources and Contribution in Urban Dust Using Metal Concentrations and Multi-Isotope Ratios (13C, 207/206Pb) in a Complex Industrial Port Area, Korea

The metal concentrations and isotopic compositions (13C, 207/206Pb) of urban dust, topsoil, PM10 samples were analyzed in a residential area near Donghae port, Korea, which is surrounded by various types industrial factories raw material stockpiled on empty land, to determine the contributions main pollution sources (i.e., Mn ore, Zn cement, coal, coke, topsoil). dust port approximately 85~112 times higher (EF > 100) comparison with control < 2), especially ions, indicating they mainly derived from anthropogenic source. These ions have been accumulating for decades; furthermore, concentration seven than that area, means contamination even present. values highly different, depending characteristics each source: cement (−19.6‰, 0.8594‰), ore (−24.3‰, 0.9175‰), coal (−23.6‰, 0.8369‰), coke (−27.0‰, 0.8739‰), (−24.9‰, 0.9117‰), soil (−25.2‰, 0.7743‰). As result evaluated source through Iso-source SIAR models using stable isotope ratios 207/206Pb), we found largest contribution (20.4%) (20.3%) are stockpiles land (Mn Zn). It suggested there significant influence scattered wind stockpiles, stacked ports or factories. Therefore, evidence support idea activities affect air quality residence areas city. Our results may indicate their can predict environmental changes act as powerful tool trace past present history complex contexts associated peri-urban regions.