I need to support my research essay with reliable sources. University sites were suggested, but I need ideas.

Also, what other sites are good sources with excellent information?

Thank You!

You will find some good info at http://www.electro-breeze-supply.com/uv_air_cleaners.html. This is a great website for finding facts about indoor air quality. All of the sites for Air Life Environmental Products are great sites for information. Another of their sites is http://www.allergy-relief-air-purifier.com/ or you could visit http://www.airlifeone.com/. I hope this helps.