What is the maximum allowable intake of Silver?

What does the Dutch government say about the maximum allowable intake of Silver? We repeatedly notice that the data on our site and packaging does not appeal to the imagination because there is no reference data. That is why two examples are detailed below. The criteria set by the government serve as a reference.
The first reference concerns the quality requirements of the Water Supply Decree Annex A. pertaining to Articles 4 to 4d.

Book of Prof. dr. Ronald J. Gibbs

Professor Ronald J. Gibbs was the director of the “Center for Colloidal Science at the University of Delaware” from 1981 to May 2000. He published more than 85 journal articles and five technical reports, edited fourteen books and held more than 60 presentations on national and international meetings. You can request the book in pdf format from us via e-mail.