[Code of Federal Regulations] [Title 41, Volume 3] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 41CFR102-80.20] [Page 273] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 102--FEDERAL MANAGEMENT REGULATION PART 102-80_SAFETY AND ENVIRONMENTAL MANAGEMENT--Table of Contents Subpart B_Safety and Environmental Management Sec. 102-80.20 What are Federal agencies' responsibilities concerning the abatement of radon? Federal agencies have the following responsibilities concerning the abatement of radon in space when radon levels exceed current EPA standards: (a) Retest abated areas and make lessors retest, as required, abated areas to adhere to EPA standards; and (b) Test non-public water sources (in remote areas for projects such as border stations) for radon according to EPA guidance. Radon levels that exceed current applicable EPA standards must be mitigated. Federal agencies must retest, as required, to adhere to EPA standards. Indoor Air Quality