This new volume is the first available resource on the fate, effects, and significance of pesticide transformation product. Highlights the growing awareness that pesticides are transformed to other chemicals that are often still biologically active. Its opening chapters provide excellent overviews of pesticide degradation mechanisms and products. Subsequent chapters are divided into two sections focusing on the fate of transformation products in the physical and biological environment and the significance of transformation products in crop protection and environmental contamination, including their effects on nontarget species and the legal implications of pesticide transformation products in the environment. Presents both the risks and benefits associated with these products.