Did you know that per the 2006 GCR listing, there are 312 different spec lines amongst the IT classes?

I put together a simple data base, it'd be great if we could do a census of which of those are active. IMO, that'd be a start at understanding where we might need to be proactive.

get a copy at http://www.vectorbd.com/users/jpl/it-spec.xls

One potential source of census date-> http://www.scca.com/garage/forum/forum_top...asp?FID=82&PN=1