TECHNICAL BULLETIN DuPont™ Steward® insecticide Technical Bulletin Outstanding Plant Protection Table of Contents Introduction . 2 Key Characteristics of DuPont™ Steward® Insecticide . 2 Physical and Chemical Properties . 3 Formulation . 4 Mode of Action on Insects. 4 Symptoms. 5 Translaminar Activity . 6 Insects Controlled by Steward® . 7 Managing Insect Resistance . 9 Analytical Methods . 9 Residue . 9 Water and Soil . 9 Crop Residue Overview. 9 Crop Safety . 10 Current U.S. Tolerances. 10 Compatibility. 10 Spray Tank Stability . 11 Environmental Fate . 12 Behavior in Soil . 12 Metabolism . 12 Rate of degradation. 12 Sorption to soil . 12 Behavior in Water. 13 Hydrolysis. 13 Degradation in water. 13 Photostability . 13 Volitization Potential . 13 Ionization Potential (pKa) . 13 Behavior in Plants and Animals . 13 Metabolism in plants. 13 Metabolism in animals . 13 Environmental Hazards . 14 Toxicology . 14 Acute Toxicity . 15 Chronic and Subchronic Toxicity . 16 Mutagenicity and Genetic Toxicity . 16 Developmental and Reproductive Toxicity . 16 Avian Toxicity . 16 Aquatic Toxicity . 16 Toxicity to Beneficial Insects . 17 Toxicity to Bees . 17 Material Safety Information . 18 Health, Safety and Handling Information . 18 Fire and Explosion Hazards. 18 Extinguishing Media . 18 Fire Fighting Instructions . 18 Disposal Information. ..