[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: 40CFR61.224]

[Page 153]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 61_NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS
--Table of Contents
 
   Subpart T_National Emission Standards for Radon Emissions From the 
                    Disposal of Uranium Mill Tailings
 
Sec. 61.224  Recordkeeping requirements.

    The owner or operator must maintain records documenting the source 
of input parameters including the results of all measurements upon which 
they are based, the calculations and/or analytical methods used to 
derive values for input parameters, and the procedure used to determine 
compliance. This documentation should be sufficient to allow an 
independent auditor to verify the accuracy of the determination made 
concerning the facility's compliance with the standard. The 
Administrator shall be kept apprised of the location of these records 
and the records must be kept for at least five years and upon request be 
made available for inspection by the Administrator, or his authorized 
representative.