Keep forgetting to mention that a week ago, Tajikistan’s parliament ratified the 2006 treaty establishing a nuclear-weapon-free-zone in Central Asia (CANWFZ). Tajikistan’s action follows Turkmenistan’s ratification in April of this year. (Uzbekistan and Kyrgyzstan have already deposited the instruments of ratification in 2007.)
This leaves “Kazakhstan”:http://www.nti.org/e_research/profiles/Kazakhstan/index.html as the sole remaining state that needs to ratify.
For more info, check out the “CANWFZ Inventory file”:http://cns.miis.edu/inventory/pdfs/canwz.pdf and “this backgrounder”:http://cns.miis.edu/stories/060905.htm. The CNS “NWFZ Clearinghouse”:http://cns.miis.edu/nwfz_clearinghouse/index.htm is useful too.