Synopsis This book is an introduction to different aspects of Instrumental Methods of Environmental Analysis in the light of tremendous achievements in the last few decades in a very comprehensive and thought provoking manner. The information contained in this book is gleaned from internationally recognised sources. This book aims to highlight most interesting, and promising areas of instrumental methods of environmental Analysis for future research and development programmes. An attempt has been made to keep each concept self sufficient and to avoid cross references so that the reader may be able to satisfy all his curiosities without much difficulty. The book may serve as a ready reference for all environmentalists including students of environmental science, doctors, regulatory pollutions control authorities, city planners, health technicians, agriculture scientists, government departments and industries.