Heavy Metals Concentration in Soil, Water, Manihot esculenta Tuber and Oreochromis niloticus Around Phosphates Exploitation Area in Togo Ekpetsi Bouka, Povi Lawson-Evi, Kwashie Eklu-Gadegbeku, Kodjo Aklikokou and Messanvi Gbeassor ABSTRACT Chronic exposure to heavy metals through air, water, food and other media and product has serious negative health impact.