Pollution is the most important problems facing the human being at the present time. Air pollution is the most serious problem because of its direct relation to human health and other organisms. Dust samples were collected in some area of city of Kirkuk, depending on several factors such as traffic, industrial and urban activities and population density. The amount of dust deposited and some heavy metals such as Co, Cu, Pb and Fewere determined. The highest value of 148 g / m 2 was recorded for dust in the fifth region / Tergil in April and an average of 111.5 g / m 2 , while the lowest value of 8 g / m 2 was for the second region / Al-Mualmeendistrict. High values of the heavy elements especially iron and lead were in April due to dust storm that came into Iraq from neighbor countries and from traffic and industrial activity, especially cement factory as well as the lack of vegetation in the region. High levels of Cu, Co may have sources from Industrial activities, while the main source of Pb ismay be from traffic movement. The results of Geological accumulation factor (I-Geo factor) and contamination factor(CF) as well as pollution load factor PLI indicate the safety of the city of Kirkuk from air pollution by heavy metals with exception of Fe iron and Pb lead in the fifth region.
The present study aimed to conduct a field study on the water of eight wells in different areas of Kirkuk city. The modeling was done on a monthly basis, starting from November 2019 until April 2020. The study included measuring some physical factors (water temperature, electrical conductivity, total dissolved solids) and some chemical factors (pH, dissolved oxygen, biological oxygen demand, total alkalinity, total hardness, calcium hardness, magnesium hardness, sodium ion, sulfate, Chlorides, nitrates, phosphates. Also, a study was conducted on the bacterial contamination of groundwater wells, which included the total number of colonies of the total plate count, the total number of coliforms, and the total numbers of Faecal coliform Bacteria. The results showed that the air temperatures ranged between (16-18.6)Co, while the wells' water temperatures were within the warm water and their rates ranged between (22.5-24.8) Co. An increase in the sulfate values was observed in most of the study wells, while nitrates recorded low values. On the bacteriological side, it was found that most of the wells were not contaminated. The reason is due.to the depth of the wells and their distance from the sources of pollution.
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