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… Lead recycling is an important source of environmental contamination and human exposure in many countries (UNEP, … facilities can, however, cause significant environmental contamination and human exposure to lead in countries without … and laboratory facilities for the measurement of lead in biological and environmental samples, as well as appropriate …

… Chemical treatment Irradiation Thermal destruction Biological treatment PROJ- ECTED Recycling – finding the … Metal scrap is not generally hazardous in itself, but contamination with other hazardous substances is a recurrent … of the materials. Composting represents ‘the controlled biological decomposi- tion of organic material’ under …