An investigation into the corrosion of copper and galvanized steel caused by several Illinois water supplies is currently in progress. Twenty-nine chemical parameters are being determined for fifty water samples collected from each water supply during the twenty-four month study. Corrosion rate measurements are being determined by ASTM-D2688 - Method C for seven corrosion specimens installed for varying intervals during the investigation. Metal concentrations are being monitored for flowing and standing samples collected at each test site. This paper presents preliminary data from this corrosion investigation and discusses some of the problems encountered in monitoring corrosion and water quality.

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