This volume provides physical properties of over 700 pesticides and transformation products and contaminents plus their toxic effects to mammals, other forms of life and the environment. The guide gives information on the constituents, characteristics, health and environmental effects of pesticides. Broad in scope, this guide can be used either by the layman who has a few minor questions or by the specialist needing in-depth references. The facts have been arranged so that one does not have to read through lengthy material. Tabular presentations provide definitions of the categories and kinds of information given, and also show where gaps in present knowledge occur. It is aimed at the general public, medical professionals, toxicologists, lawyers, conservationists, public health agencies, building management, teachers of environmental studies, horticulturists and others in agricultural fields.