Aw man there was a great post a while back on euthanization procedures... I'll see if I can dig it up.

EDIT:
Lucky me! Here are two links-
one to a discussion-
http://www.ball-pythons.net/index.ph...anize&start=15

and a discussion with links on methods to humanely euthanize:
http://www.ball-pythons.net/PNphpBB2...pic-t-158.html

hope this helps!
(HTH)