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Assessment of soil and water contamination around an ash-disposal site: A case study from the Seyitomer coal-fired power plant in western Turkey

2001-01-01
Güleç, Nilgün Türkan
Gunal, B
Erler, A
Seyitomer power plant comprises 4.8% of Turkey's total energy production. The fly ash produced has been deposited in the area, since the 1960s, by a dry disposal technique. In 1997, wet disposal was improperly exercised in the area causing ash flow over agricultural fields. This study is concerned with the chemical analysis of ash, soil and water samples collected in the area following ash-removal studies after the ash flow in 1997. The results reveal that Na, K, Ca, Mg, Mn, Al, Fe, Co, and Cr contents of soil and water are governed by basement lithology in the area, whereas Cd, Pb, Zn, and Cu contents are determined by fly ash from rom disposal sites. Although lithogenic Cr and Co contents are exceedingly high, comparison with the regulatory standards for drinking water, irrigation water and agricultural soils reveals no pollution pertinent to solid waste production in waters, whereas there is moderate pollution by Pb and Cu in soils.