There are 816,000 nanograms/kilogram in Swisher Sweets, or 816 Nanograms per gram of Swisher Sweet. There are 2 grams of tobacco in Swisher Sweet, which means a teen smoker will be exposed to 1632 Nanograms of DDT per Swisher Sweet. Based on largely suppressed research from the 1950s, about 50% of the DDT/DDE on tobacco survives smoking and enters the smoker’s body. Some of this early research on DDT and OC pesticides in cigarettes can be found here and here and here and here and here.