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Home » Corrosion Control Chemical Still Drops Too Low In Flint

Corrosion Control Chemical Still Drops Too Low In Flint

January 10, 2017
New scientific testing raises new questions about whether Flint’s water system was the source of a local Legionnaires’ outbreak.

The Michigan Department of Environmental Quality says levels of orthophosphate, a corrosion inhibitor being used in Flint to restore the protective barrier on the walls of water piping, drops too low on “occasions … at one or more locations.”

"Fortunately, these excursions were not significantly below the recommended level and they were of a short duration,” Bryce Feighner, chief of the department's Office of Drinking Water and Muncipal Assistance said in a Dec. 17 letter to Flint officials Based on the demonstrated improvement in overall water quality, these excursions did not have a substantial impact on restoration of the protective coating.

Adding the chemical should reduce the amount of lead dissolving from service lines and household plumbing. Feighner recommended that the city develop a standard operating procedure for responding to low levels of orthophosphate.

More details here.

Source: MLive

 

 

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