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… assessment 26 6.3.1. Soil and dust 26 6.3.2. Air 26 6.3.3. Food and water 27 RECYCLING USED LEAD-ACID BATTERIES: HEALTH … on land or released into waterways. Lead can enter the food chain through crops growing on contaminated land, from direct deposition onto crops, through food animals foraging in contaminated areas and consuming …

… of the biodegradation of organ- ic material such as food waste, animal manure or waste from the paper or food industry. Major sources also include municipal waste … carbon dioxide. The issue of land-use competition between food crops and crops being grown especially for methanization …