T. Heberer, U. Dünnbier
May 29, 1999
Citations
7
Influential Citations
115
Citations
Quality indicators
Journal
Environmental Science & Technology
Abstract
Up to the present date, DDA (2,2-bis(chlorophenyl)acetic acid) resulting from the degradation of DDT (2,2-bis(chlorophenyl)-1,1,1-trichloroethane) residues in the environment has been neglected as an environmental contaminant of the aquatic system. More than 60 years after the invention of DDT as an insecticide and more than 25 years after its use was banned in most of the developed countries, DDA was found as major contaminant up to the microgram per liter level in the surface water of the Teltowkanal in Berlin, Germany. DDA is formed together with some other intermediates of DDT such as DDD (2,2-bis(chlorophenyl)-1,1-dichloroethane), DDE (2,2-bis(chlorophenyl)-1,1-dichloroethylene), DDMU (2,2-bis(chlorophenyl)-1-chloroethylene), DDOH (2,2-bis(chlorophenyl)ethanol), DDMS (2,2-bis(chlorophenyl)-1-chloroethane), DDCN (2,2-bis(chlorophenyl)acetonitrile), and DBP (dichlorobenzophenone), which were identified at lower concentrations in surface water of the canal. Our results add some new aspects to the ongoin...