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What Do Lead and Copper Sampling Protocols Mean, and Which Is Right for You?
Citation:
Schock, M., J. Tully, AND K. Cahalan. What Do Lead and Copper Sampling Protocols Mean, and Which Is Right for You? Presented at 17th Canadian National Conference on Drinking Water, Ottawa, ON, CANADA, October 16 - 18, 2016.
Impact/Purpose:
this presentation will provide a short review of the explicit and implicit concepts behind most of the currently-used regulatory and diagnostic sampling schemes for lead, such as: random daytime sampling; automated proportional sampler; 30 minute first draw stagnation; Sequential sampling (also known as “profiling”); and other variants that have been used or that may have potential for increased use in the future. Several examples will be given from field studies that point out strengths and weaknesses of some of the sampling protocols in real-world applications, focusing on lead. Because both the United States and Canada are currently evaluating changes in regulatory guidelines for copper corrosion control, there will also be a short section highlighting important ways in which sampling for copper would necessarily differ from typical sampling for lead.
Description:
this presentation will provide a short review of the explicit and implicit concepts behind most of the currently-used regulatory and diagnostic sampling schemes for lead, such as: random daytime sampling; automated proportional sampler; 30 minute first draw stagnation; Sequential sampling (also known as “profiling”); and other variants that have been used or that may have potential for increased use in the future. Several examples will be given from field studies that point out strengths and weaknesses of some of the sampling protocols in real-world applications, focusing on lead. Because both the United States and Canada are currently evaluating changes in regulatory guidelines for copper corrosion control, there will also be a short section highlighting important ways in which sampling for copper would necessarily differ from typical sampling for lead.
