He does urge using a mask for mixing the powders, as in from scratch, which
he also recommends NOT doing, and also in case the toner comes in contact
with an acid, such as stop bath, at which time it will release some quite
I know from other readings that gloves are recommended during toning or other
procedures that necessitate image handling, as it is absorbed through the
skin. One interesting thing is that if you start tasting garlic
continuously, you have selenium poisioning. (Someone correct me on this if
its wrong) A friend of mine contracted selenium poisioning and this
(reportedly) was his main symptom the diagnostician picked up on.
Judy, if you can't find the book I'll gladly photocopy the pages from Sig's
book and send them to you, I think there is about 8 all total.
Photographic Archiving, Preservation and Conservation