The hazards to health and ecological effect of persistent substances in the environment Sources,turnover in the environment, and ecological effects of arsenic,cadmium,lead, manganese and mercury
Card's contents:HAZARDS 194,573 The hazards to health and ecological effect of persistent substances in the environment Sources,turnover in the environment, and ecological effects of arsenic,cadmium,lead, manganese and mercury.Report on a working 5 roup,Stockholm 29 October-2 November 1973. Geneva7 1973 4° s. 90. World Health Organization Regional Office for Burope /Tyt. okl/