Originally Posted by LJH
I don't think that there is an "official" table. Kodak suggests that you run your own tests with exposures longer than 1sec.
Have you searched for people's results on this? I had a quick look and there is a fair bit of anecdotal information out there (including on this site).
I'm really looking for a graph or table as per ILFORD's customer service. Kodak could learn from the once smaller company...