"Michael A. Covington" wrote
in message ...
(1) Many artists' paint pigments are fairly toxic but have never been
banned.

(2) There is also pollution from digital technology, especially when
obsolete equipment (containing lead solder) is thrown away in landfills.
Lead is more toxic than silver, and old computers contain lots of it.

(3) As someone else pointed out, the rate of silver film usage is already
plummeting; no regulation is needed.



Just because regulation isn't needed does not mean that it will not happen
.

Johnj