ted harris wrote:

....
Please let me know of your findings.

(regarding wood dust explosions/article in FW...)

I've not had time to look for the article yet but my recollection was
that the literature cited therein supported no explosive mixture was
likely in small duct systems such as are prevelant in the average shop
or mill but that it is of some potential concern in very large systems.
I'll try to find it, if I can...