For cooperation and assistance in the work reported here, we gratefully acknowledge Dr. William Burgoyne, State of Alaska Division of Environmental Conservation and Mr. Delon Brown, USDA, Alaska Crop and Livestock Reporting Service. We especially appreciate the efforts of numerous pesticide manufacturers, distributors, dealers, and users who took the necessary time to provide information essential for this compilation. Richard Maxwell, Agricultural Chemicals Specialist, Cooperative Extension Service, Washington State University, provided difficult to locate pesticide label information. The editors of Farm Chemicals Handbook, 1980, provided the list of preferred names as well as information regarding general application of pesticide products.