2002: Namoi Valley (NSW) DDE residues remaining in Soil

2002 – Namoi Valley (NSW) Levels of DDE remaining in soil

Fig. 1.  GIS distribution of DDE residues in Namoi Valley topsoil (0.10 cm). Reproduced with permission from the American Chemical Society (Shivaramaiah et al. 2002). Unwanted legacies such as this justified the transition to chemicals with shorter half-lives, including endosulfan.