"Phisherman" wrote in message
...

Yes. The lower the number, the finer the particles that can be
trapped. It is the fine dust that is most damaging to the lungs (if
you can smell the wood, it is getting into your lungs). After a DC, a
dust filter is helpful. Money spent on these items is money well
spent to protect your health.

Nope. If you can smell it, volatiles are present.

Although you are the convinced, others might want to look at some work done
on dust
http://www.ncbi.nlm.nih.gov/entrez/q...&dopt=Abstract
http://oem.bmjjournals.com/cgi/content/full/57/6/376

Organic dusts are not the same as inorganic, the ones from which the dire
consequences of wood dust have been extrapolated.