Board discusses new lead action level, sampling rules and calculation method
Board members discussed a reduction in the lead action level to 10 parts per billion and sampling protocol changes (five consecutive samples and entry-point testing), and reviewed how calculations will report results.
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Board members discussed upcoming changes to lead testing and how those changes could affect measured results. S1 summarized the new level: "Reduced to 10 parts per billion." S2 and S3 described a sampling protocol that will use five consecutive samples and noted that the practice of comparing early and later samples affects which value is reported.
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