DETERMINATION OF ARSENIC, ANTIMONY, SELENIUM AND PHYSIOCHEMICAL PARAMETERS IN GROUNDWATER WITHIN IBADAN METROPOLIS ONI TAIWO OLIWAFUNMILAYO TABLE OF CONTENTS ABSTRACT CHAPTER ONE INTRODUCTION Ground Water Quality Assessment 1 1.1.1 Significance of Water Quality Assessment1 1.2Groundwater Pollution 2 1.2.1 Sources of Water Pollution5 1.3Effects of Water Pollution 9 1.4Sources of Arsenic, Selenium, Antimony in Groundwater 10 1.4.1 Sources of arsenic...