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A rapid method for lead service line detection
Clément Cartier, Alicia Bannier, Maciej Pirog, Shokoufeh Nour and Michèle Prévost
Journal (American Water Works Association)
Vol. 104, No. 11, Emerging issues (November 2012), pp. E596-E607
Published by: American Water Works Association
Stable URL: http://www.jstor.org/stable/jamewatworass.104.11.e596
Page Count: 12
You can always find the topics here!Topics: Waterworks, Plumbing, Particulate matter, Excavations, Corrosion, Potable water, Tap water, Analyzers, Water flow, Water samples
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This project demonstrates the efficiency of a relatively simple protocol developed to detect lead service lines (LSLs) by measuring the concentrations of lead at the tap using an onsite analyzer. Concentrations obtained with a portable anodic stripping voltammetry (ASV) analyzer are successfully compared with inductively coupled plasma/mass spectrometry (ICP/MS) results (R2 = 0.991). The limitations of the portable ASV for detecting particulate lead without digestion were also demonstrated. Various sampling protocols were investigated, and a field sampling protocol was developed to specifically detect LSLs in the district under study. The field protocol was then tested successfully (agreement of 96%) in other city districts by means of excavation to confirm the presence of an LSL.
© 2012 American Water Works Association