I'm not sure about that. I know there is a Nuclear Institute of Food and Agriculture in Faisalabad.
I know they have a lot going on with their nuclear program in Islamabad. If memory serves me well just about all their development, processing, storage and testing has been in areas around Islamabad. Islamabad has been their "nuke central" in the past.
What Kind Of Operation Is Zarqawi Waiting Clearance From His Boss For?
http://www.jihadunspun.com/intheatre_internal.php?article=102979&list=/home.php