Project 4064

Water Chemistry Effects on Dissolution Rates of Lead Corrosion Products

$195,637
Completed
Principal Investigator
Daniel Giammar
Project Manager
Traci L Case
Contractor
Washington University in St. Louis
Corrosion
Distribution System Management
Lead & Copper
Water Quality

Abstract

Summarizes the state-of-knowledge regarding dissolution rates of lead corrosion products. Also assesses the effect of changes in water chemistry on lead concentrations in distribution systems by (1) quantitatively developing rate equations for the dissolution of three important corrosion products that can control dissolved lead concentrations in distribution, and (2) evaluating the applicability of these rate equations to lead release from actual pipe scales. Published in 2010.