I wouldn't worry too much... a search for the exact phrase "Liburdy and Colleagues Study" on Google brings up the exact same article on several different sites, but no information about Liburdy or the study cited.
A search for "Liburdy", however, brings up this article entitled "ORI to study why cheaters cheat" on nature.com:
http://www.nature.com/nm/journal/v6/...0900_946a.html
It appears that Liburdy lost his job of 15 years for falsifying facts in his study and report of EMF and cancer.