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What is the NSF test procedure for endpoint devices?

April 26, 2017Devices endpoint NSF procedure Test

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What is the NSF test procedure for endpoint devices?

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The NSF test procedure requires that at least three endpoint devices be exposed to specially formulated water for a period of 19 days. On days 3, 4, 5, 10, 11, 12, 17, 18, and 19, water samples from the endpoint devices are collected. The observed lead dosage levels, (lead concentration times the volume of the endpoint device) normalized to 1 liter are determined and statistically compared to the 11ppb limit.