See also:

J-215 'Recovering Silver from Photographic Processing Solutions'

http://www.kodak.com/ek/uploadedFiles/J215ENG.pdf

http://bitly.com/RNL0As

and

J-216 'The Fate and Effects of Silver in the Environment'

http://www.kodak.com/ek/uploadedFiles/J-216_ENG.pdf

http://bitly.com/VYCFKj



The bit.ly URLs seem to work better.