Synopsis The natural occurrence of heavy metals in the environment, the elevation of these natural levels due to pollution, and the toxic effect this has on the environment in general and human beings in particular, is a topic of interest for a very large cross section of people--ranging from metallurgists to environmentalists, geologists to biologists, engineers to doctors, social scientists to journalists, city planners to health workers. In this volume the three authors have pooled their combined expertise of over 50 years in this field to provide us with a goldmine of information and deep insight. A must for everyone interested in environment.