Frequent Questions

How much lead does NSF Standard 61, Section 9 allow to be leached from endpoint devices?

The NSF Standard is designed to result in limiting the amount of lead from endpoint devices to 11 ppb when normalized to 1 Liter. This approach is based on the 15 ppb action level established in the Lead and Copper rule, considering the 11 ppb lead contributed from the endpoint device as well as from sources other than the endpoint device, which is assumed to be 4 ppb. Additional information can be obtained from http://www.epa.gov/safewater/lead/pdfs/Questions_About_Section_1417_NSF_Standard.pdf.
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