steps for constructing an EMC chamber ?

hi...
can someone explain how to design and construct an EMC chamber? what are the parameters that should be taken into considration for designing an EMC chamber ?

THNX

No reflections from the interior surfaces of the chamber. see :- http://en.wikipedia.org/wiki/Electro..._compatibility
Frank

http://www.ets-lindgren.com/whitepapers