What does the City of Columbus do to prevent lead from getting into tap water?
答:
Columbus has a very effective corrosion protection program. To prevent corrosive conditions that could cause leaching of lead, certified water operators add zinc orthophosphate to the treated …
Columbus has a very effective corrosion protection program. To prevent corrosive conditions that could cause leaching of lead, certified water operators add zinc orthophosphate to the treated water at...
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