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Wednesday, November 10, 2010

Volcano Ash May Poison

Volcanic ash can have dangerous properties if contaminated of well. This wells should be drained before consume, because volcanic ash will settled on the water and water look very clean but may contain of dangerous or poisonous substance.

The preventive action better do, to omit the heavy metal contain that may bring by volcano ash. Heavy metal that may contaminated well as follows; cadmium (Cd) and copper (Cu). Even the concentration is very low but our body can’t exposed by this metal because can danger to our health.

Draining of wells just the only way for omitting this metal contamination because if use of coagulant will not omitting this metal contain.

Heavy metal is a substance that not easy to neutralize, whether coagulant just function to make the water clear looking. Either water that contaminated by volcano ash still look clear. Those draining method also should do in water dam, so water that use by civil will health.

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