In this thread are curves for PC-TEA pH~9 and PC-Glycol (pH~10.5,my guess) ,there is nothing unusual about them, not much fog.

http://www.apug.org/forums/forum37/1...veloper-5.html

One might expect the developer used by Reinhold, pH~9.5 to give a similar result.
One very simple question, the film was properly fixed?