Well i am going to give it a Shot......
First will do the Research... and get a source for refrigerants.. Don't know if u need a special permit here.. Hope not..
anyway i know some guys who study HVAC i'll start YELLING "HELP"
They have a refrigeration department at my school.. just make some friends there ... hope that will improve my succes rate
Keep u informed.. that is if i don't blow something up