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302 bytes added ,  17:08, 17 September 2008
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Often from an industrial source they include:
 
Often from an industrial source they include:
 
#'''Heavy Metals'''<br>(e.g. Lead, Arsenic, Mercury, Cadmium, Fluorine &Selenium)
 
#'''Heavy Metals'''<br>(e.g. Lead, Arsenic, Mercury, Cadmium, Fluorine &Selenium)
##'''''Lead'''''-
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##'''''Lead'''''-Lead can occur in animals grazing near smelting plants or from animals licking lead based paints or old car batteries. Lead then accumulates in the bones. Acute poisoning may result in high levels in the liver & kidneys. Chronic exposure may cause softening & cavitation of the CNS.
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##'''''Arsenic'''''
    
=Food Additives=
 
=Food Additives=
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