A quick point of clarification....yes flushing first is not how the EPA typically collects water samples and I agree that this will generally lead to underestimated of lead levels. However, there could be some scientific justification for it. (1/n)
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this isn't about scientific justification--the federal regulation outlaws against flushing right before an EPA regulatory compliance sample is taken. That's a rule, not a suggestion.
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Moore talks a big talk but really is like any other fake progressive that basically just cares about beating those damn Republicans *shaking fist* and maintaining the status quo
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If the concern is lead being leached from service lines, the first draw may not accurately capture this as you are seeing H2O that has sat stagnant in the household plumbing and may have picked up ‘local’ lead as opposed to that coming from the service line. (2/n)
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Now to be sure ‘local’ lead is still a health problem but it’s not the same problem as having a corroding lead service line (and may require different remediation). My lab does a fair amount of work measuring lead levels in Trenton NJ tap water with
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And it’s difficult to parse out where the lead is coming from (service lines, fittings, taps, etc.). All of this is NOT to let up on the EPA, but rather to argue for more scientific research into the problem so we can actually solve it (4/4).
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