Date:10/8/2015
Title:Webcast: Evaluation of Lead Line Sampling Strategies
Description:
The current Lead and Copper Rule (LCR) requires collection of compliance samples from the first liter at the tap following a minimum 6 hour stagnation period. There is debate among experts as to whether this sampling protocol is effective at capturing elevated lead levels.  Some data has been interpreted to indicate that lead levels can be higher in water that was stagnant in the lead service line compared to lead levels in the first liter.  A recently completed project, Evaluation of Lead Line Sampling Strategies ​(#4569), conducted a side-by-side comparison of five different lead sampling techniques. Each strategy was evaluated for effectiveness at detecting peak total lead levels. These strategies were compared to results collected during a minimum 12-L profile on each sampling date. ​​This Webcast will present a comprehensive overview of the project objectives, results, and recommendations. The final report for project #4569 is available on the website.
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Long Description:
Presenters:
David Cornwell PhD, PE 
Environmental Engineering & Technology, Inc.

Richard Brown
Environmental Engineering & Technology, Inc.​​

Dawn Webb 
Greater Cincinnati Water Works

Moderator :
Jonathan Cuppett 
Research Manager 
Water Research Foundation
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