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AWWA ACE71089
- Practical Identification and Resolution of Lead Corrosion Issues Due to Elevated Chloride to Sulfate Mass Ratio
- Conference Proceeding by American Water Works Association, 11/01/2009
- Publisher: AWWA
$12.00$24.00
This powerpoint presentation begins by presenting a chloride to sulfate mass ratio (CSMR) sample calculation, along with causes of concern - high CSMR, and origin of effect - galvanic corrosion. Three case studies are presented in North Carolina, California, and Maine, that studied the causes and resolution of lead leaching issues. Protocol included changing water twice a week using the dump-and-fill method and collected as weekly composite samples, which were then analyzed for lead (and other metals) as well as Cl<sup>-</sup> and SO<sub>4</sub><sup>2-</sup>. Includes tables, figures.
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