An organochlorine pesticide; induces mortality of malaria mosquito (A. quadrimaculatus) fourth-instar larvae and A. aegypti larvae from 0.005-0.03 and 0.025-5 ppm, respectively; induces 100% mortality of goldfish (C. auratus) at 4 ppm; increases oviduct weight and glycogen content of chicken and Japanese quail; enhances mammary gland differentiation and increases epithelial cell proliferation in mammary terminal end buds in pubertal female rats; is a POP and is elevated in the sera of pregnant women in malaria-endemic regions of South Africa