Special Topic: Pesticide Residues in Food

Develop an introductory understanding of pesticide use and monitoring in the human food chain. • Know the major classes of pesticides. • Understand the legal basis for monitoring. • Comprehend the risk vs. benefits analysis basis of– FIFRA, FQPASpecial Topic: Pesticide Residues in FoodPrinciples of Environmental Toxicology Instructor: Gregory Möller, Ph.D. University of Idaho
Nội dung trích xuất từ tài liệu:
Special Topic: Pesticide Residues in Food Principles of Environmental Toxicology Learning Objectives • Develop an introductory understanding of pesticide use and monitoring in the human food chain. Special Topic: • Know the major classes of pesticides. Pesticide Residues in Food • Understand the legal basis for monitoring. • Comprehend the risk vs. benefits Principles of Environmental Toxicology analysis basis of – FIFRA, FQPA Instructor: Gregory Möller, Ph.D. University of Idaho 2 Principles of Environmental Toxicology Principles of Environmental Toxicology Pesticides Pesticide Data Program • USDA: Annual survey of target• Economic and public health commodities for target chemicals poisons. and multi-residue screening – Control of insects, weeds, rodents (12,446 samples). and other pest animals. • Year 2004 overall results. – Bacterial, fungal and viral infection – Detectable residue. in agriculture, homes and public • 70% of fruit & veg samples. health applications. • >50% of drinking water samples.• Natural chemicals, synthetic – Residue exceeding tolerance. chemicals, biological agents. • 0.2% of samples.• Residue ≠ or = Risk – Residue without tolerance. • 5.2% of samples. – http://www.ams.usda.gov/science/ pdp/Summary2003.pdf3 4 Principles of Environmental Toxicology Principles of Environmental Toxicology Scope of US Commercial Activity Trends in Regulation and Use • Lower use rate.• About 865 Active Ingredients (1996). • Low-volume application. – 350 in food chain. – ~20,000 products, 9000 tolerances. • Risk mitigation requirements. – 1.25 billion pounds (AI) pesticides. • Integrated Pest Management – Herbicides are >50% of volume, >50% (IPM). sales; most top 10 use. • Conditional registration• Retail sales. (monitoring). – >$10 B (Ag, Non-Ag). • Safer chemicals. – >$8 B (Agricultural). • Biopesticide use. ...