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A literature review of bench top and pilot lead corrosion assessment studies

A literature review of bench top and pilot lead corrosion assessment studies Bench top and pilot lead corrosion studies are gaining more interest, considering revisions and upcoming improvements to the Lead and Copper Rule. This literature review identified studies ranging from simpler month(s)‐long bench top dump‐and‐fill stagnant water tests (coupon tests/standing pipe tests) to more complicated year(s)‐long intermittent flow pilot studies (recirculating pipe loops/once through pipe rigs). With increasing complexity in design and operation, studies more closely approximated real plumbing conditions (e.g., by incorporating harvested lead pipes and intermittent flow regimes) at increased cost, footprint, and duration. Comparison of bench top and pilot designs (in terms of lead test piece age/dimensions/configuration/replicates, study duration, sample collection, and other factors) can assist drinking water utilities, consultants, academics, and others to select a design that matches their needs and constraints. No matter the choice, surrogate systems cannot replace actual system water testing and are best complemented by other corrosion assessment tools. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png AWWA Water Science Wiley

A literature review of bench top and pilot lead corrosion assessment studies

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References (91)

Publisher
Wiley
Copyright
© 2023 American Water Works Association
eISSN
2577-8161
DOI
10.1002/aws2.1324
Publisher site
See Article on Publisher Site

Abstract

Bench top and pilot lead corrosion studies are gaining more interest, considering revisions and upcoming improvements to the Lead and Copper Rule. This literature review identified studies ranging from simpler month(s)‐long bench top dump‐and‐fill stagnant water tests (coupon tests/standing pipe tests) to more complicated year(s)‐long intermittent flow pilot studies (recirculating pipe loops/once through pipe rigs). With increasing complexity in design and operation, studies more closely approximated real plumbing conditions (e.g., by incorporating harvested lead pipes and intermittent flow regimes) at increased cost, footprint, and duration. Comparison of bench top and pilot designs (in terms of lead test piece age/dimensions/configuration/replicates, study duration, sample collection, and other factors) can assist drinking water utilities, consultants, academics, and others to select a design that matches their needs and constraints. No matter the choice, surrogate systems cannot replace actual system water testing and are best complemented by other corrosion assessment tools.

Journal

AWWA Water ScienceWiley

Published: Mar 1, 2023

Keywords: coupon and standing pipe test; lead; once through pipe rig; recirculating pipe loop

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