USA Environmental Protection Agency, 2009
“Dietary Silver Intake of 3 ppm Silver Mineral for an Adult:
30 ml per day for 300 years remaining under the lifetime NAOEL reference of 10 grams.
10 ml per day for 900 years remaining under the lifetime LOAEL reference of 10 grams.
10 ml a day for 2250 years remaining under the lifetime LOAEL reference dose of 25 grams.”