Originally Posted by
Beavis
Thanks guys, for the excellent replies. Much clearer now. I knew that it was basically different pay for the same work, just really did get the structure. Also know that it doesn't exist any more(for the most part)....
I will make every effort to read those books. Sound like interesting reads if nothing else.

aaaaand "B" scales are still alive and well. Just ask any PSA new hire.....