Abstract
Inductively coupled plasma-atomic emission spectroscopy (ICP-AES) was used to determine a number of toxic heavy metals and other pollutants in the aquatic environment of the El Manzala area. Mean and standard deviations are tabulated for lead, cobalt, copper, chromium, cadmium, zinc, zirconium and strontium determinations in three different zones representing the whole area. The results indicated a several fold increase compared to those reported for other surface waters in Egypt or in the Mediterranean Sea, with peak values towards the north part of the lake, west of Port Said city. Zinc and cadmium concentrations are extremely low. Continual monitoring control of pollutants in surface waters and primary treatment of waste effluents on the waste generation sites are recommended.
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