The levels of cadmium, copper and nickel in five different edible vegetables viz Talinum triangulare, Celosia trigyna, Corchorus olitorus, Venomia amygydalina and Telfaria accidentalis, and the soils on which they were grown from three industrial and three residential areas of Lagos City, in Nigeria, were determined using atomic absorption spectrophotometry . The results obtained for these heavy metals from the industrial areas were higher than those of the residential areas as a result of pollution. Industrial area results for vegetables ranged between 1.13 1.67_g/g for cadmium; 56.84 25.08_g/g for copper and 2.06 - 1.33_g/g for nickel. There was statistically significant differences (P
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Yusuf et al. (2002) studied this question.