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With a half life between 2 to 15 years DDT is known to be highly persistence in the Environment and concealed in most of the soil.

This result possibly because of the uptake from sediment and water into aquatic flora and fauna, and also fish

In addition to sharpen toxic effects, DDT may biologically accumulates significantly in fish and other aquatic species, leading to long-term exposure.

According to research and studies, early development in species and invertebrates are more vulnerable than adult exposure to DDT.

DDT are highly toxic when it comes with water and inflicting great damages on aquatic species including invertebrates (stoneflies, midges, crayfish, sow bugs, salmon, rainbow trout, largemouth bass…ect).

In high dosage it causes convulsions and tremors.

If mild it causes nausea, diarrhea, increased liver enzyme activity, irritation (of the eyes, nose or throat), disturbed gait, malaise and excitability.

It can be inhaled and absorbed through the lung alveoli in which the harmful effects vary by differences in amount of dosages.

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DDT can not be absorbed through the skin unless it is in a solution.Single administrations of low doses to developing 10 day old mice are reported to have caused subtle effects on their neurological development.” – From a study at Cornell University. Mice suffered convulsions following a one-time oral dose of 200 mg/kg. Single doses of 50-160 mg/kg produced tremors in rats, and single doses of 160 mg/kg produced hind leg paralysis in guinea pigs. One-time administration of DDT to rats at doses of 50 mg/kg led to decreased thyroid function and a single dose of 150 mg/kg led to increased blood levels of liver-produced enzymes and changes in the cellular chemistry in the central nervous system of monkeys. DDT is readily absorbed through the gastrointestinal tract.

Toxicity will vary according to formulation. “In experiments oral ingestions in mammals, LD50s range from 113 to 800 mg/kg in rats 150-300 mg/kg in mice 300 mg/kg in guinea pigs 400 mg/kg in rabbits 500-750 mg/kg in dog and greater than 1,000 mg/kg in sheep and goats.DDT ranges from acute to chronic toxicity.It can be used with many other pesticides but shouldn’t be mixed with alkaline substances. It is available as aerosols, dustable powders, emulsifiable concentrates, granules and powders.It was widely used during the Second World War to control insect typhus and malaria vectors from harming Allied soldiers, and continued as an agricultural insecticide in 1945. It has been replaced by more environment-friendly insecticide. DDT is an organochlorine insecticide used to control mosquito.It is in EPA Toxicity Class II (moderately toxic). DDT is banned in the United States in 1972 after scientists discovered its harmful effects.Anofex, Cesarex, Chlorophenothane, Dedelo, p,p'-DDT, Dichlorodiphenyltrichloroethane, Dinocide, Didimac, Digmar, ENT 1506, Genitox, Guesapon, Guesarol, Gexarex, Gyron, Hildit, Ixodex, Kopsol, Neocid, OMS 16, Micro DDT 75, Pentachlorin, Rukseam, R50 and Zerdane.