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With increasing industrialization, environmental pollution has become a threat to human health. The heavy
metal pollution, especially from industrial waste water, is the best example of this. Chromium holds a special position
among living organisms because on its species it can be either essential or toxic. Cr(VI) even at very low concentrations
is harmful and carcinogenic, while Cr(III) is a necessary microelement for cellular metabolism. Therefore, it is very
important to determine the chromium metal found in the wastewater of leather, paint and iron - steel industries. Four
main creeks discharges located in the important industrial area in Kocaeli Province are made to the Gulf of Izmit.
In this study, Cr (VI) was measured by the spectrophotometer S.M.3500-Cr B. Calorimetric Method sampled
from four main streams Saz Dere, Dil Deresi, Narca (Bağ) and Ambar (Ulupınar) samples and the results were found
to be <0.02 mg / L. With these values it is observed that there is a visible improvement in the pollution of the creeks.
International Rating Academy Congress : Applied Sciences
IRAC
Kadriye OKTOR