If you are pondering indoor air-quality in your home… I urge you to look into the issue of flame-retardants in furniture — specifically in the foam used in mattresses and couches.
Here is an upsetting recent article on the topic PBDEs and chlorinated Tris (I knew about PBDEs, but hadn’t considered that (DUH!) the replacement would probably be just as bad or worse. And that they don’t even work!)
Some good practical advice here (if you are a millionaire)