DDT H ci CCl3 Organochlorine insecticide 1945 control of mosquitoes Effective but very persistent Very soluble in fat Damaged bird eggs A Small Dose of Toxicology A Small Dose of Pesticide-2/29/04 A Small Dose of Toxicology A Small Dose of Pesticide – 2/29/04 DDT Cl C H CCl3 • Organochlorine insecticide • 1945 control of mosquitoes • Effective but very persistent • Very soluble in fat • Damaged bird eggs