... TOXICOLOGICAL PROFILE FOR DDT, DDE, and DDD U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES Public Health Service Agency for Toxic Substances and Disease Registry September 2002 1 DDT, DDE, and DDD ... Studies on the Health Effects of DDT and DDT Analogues 215 4-1. Chemical Identity of p,p'- and o,p'-DDT, DDE, and DDD 220 4-2. Physical and Chemical Properties of p,p'- and o,p'-DDT, ... of DDT, DDE, and DDD absorbed from foods depends on both the concentration of chemical in the food and the amount of food eaten. Small amounts of DDT, DDE, and DDD may also be breathed in and...