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Methods of Treatment for Water Contaminants

Lead

Source of Lead

Lead (Pb2) found in fresh water usually indicates contamination from metallurgical wastes or from lead-containing industrial poisons. Lead in drinking water is primarily from the corrosion of the lead solder used to put together the copper piping. Lead in the body can cause serious damage to the brain, kidneys, nervous system, and red blood cells. The US EPA considers lead to be a highly toxic metal and a major health threat. The current level of lead allowable in drinking water is 0.05 mg/l.

Treatment of Lead

Lead can be reduced considerably with a water softener. Activated carbon filtration can also reduce lead to a certain extent. Reverse osmosis can remove 94 to 98% of the lead in drinking water at the point-of-use. Distillation will also remove the lead from drinking water.

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