The reasons why DDT is classified as a persistent organic pollutant are;
DDT can be used to control diseases, such as malaria and typhus, that are spread by insects.
DDT is detected in food worldwide and the general human population is most commonly exposed to the toxin through food.
Persistent Organic Pollutants can be regarded as toxic substances which are made up of organic chemical compounds.
These are industrial chemicals such as;
PCBs
pesticides like DDT.
DDT is classified as a persistent organic pollutant because of it's usefulness in control diseases and it is been found in food stuff across the globe.
