[Code of Federal Regulations] [Title 40, Volume 8] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR61.192] [Page 145] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 61_NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS --Table of Contents Subpart Q_National Emission Standards for Radon Emissions From Department of Energy Facilities Sec. 61.192 Standard. No source at a Department of Energy facility shall emit more than 20 picocuries per square meter per second (pCi/(m\2\-sec)) (1.9 pCi/(ft\2\- sec)) of radon-222 as an average for the entire source, into the air. This requirement will be part of any Federal Facilities Agreement reached between Environmental Protection Agency and Department of Energy. [54 FR 51701, Dec. 15, 1989, as amended at 65 FR 62158, Oct. 17, 2000]