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Project #3118

Assessment of Inorganics Accumulation in Drinking Water System Scales and Sediments

$711,227
Completed
Principal Investigator
Melinda
Friedman
Research Manager
Jian Zhang, PE, Ph.D.
Contractor
HDR Engineering, Inc.
Biofilms
Water Quality
Distribution System Management
Final Report

Abstract

Assesses the prevalence of regulated naturally occurring inorganic compounds that are believed to accumulate in distribution system pipeline scales and sediments and residential/institutional plumbing systems. Investigates the mode of occurrence and possible correlation of inorganic compounds accumulation with water qualities, pipe materials, and water sources, etc. Also develops a conceptual model that could predict those distribution systems particularly at risk from this type of contamination problem, and indicates regulatory and human exposure consequences. Research partner: USEPA.