9. Toxicity
The impact of boron and its compounds on the environment comes mainly from borate processing waste and the use of detergents and bleaching agents, as a result of the migration of soluble boron species into soils and the aquatic environment. The World Health Organization recommends a boron content of 0.3 mg/L for drinking water, but in the European Union, the limit is 1 mg/L .
Animal studies have shown that...
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Bibliography
Websites
Industrial Minerals http://www.indmin.com
World Metals and Minerals Review. British geological Survey http://www.bgs.ac.uk
United States Geological Survey http://www.usgs.gov
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