Each person licensed under this subchapter shall keep records of information
important to the safe and effective decommissioning of the facility in an
identified location until the license is terminated by the commission. If
records of relevant information are kept for other purposes, reference to
these records and their locations may be used. Information important to decommissioning
consists of:
(1) records of spills or other unusual occurrences involving
the spread of contamination in and around the disposal facility, equipment,
or site. These records may be limited to instances when contamination remains
after any cleanup procedures or when there is reasonable likelihood that contaminants
may have spread to inaccessible areas, as in the case of possible seepage
into porous materials such as concrete. These records must include any known
information on identification of involved nuclides, quantities, forms, and
concentrations;
(2) as-built drawings and modifications of structures and equipment
in restricted areas where radioactive materials are disposed of and of locations
of possible inaccessible contamination (e.g., buried pipes) that may be subject
to contamination. If required drawings are referenced, each relevant document
need not be indexed individually. If drawings are not available, the licensee
shall substitute appropriate records of available information concerning these
areas and locations;
(3) except for areas containing only radioactive materials
having half-lives of less than 65 days, a list contained in a single document
and updated every two years of the following:
(A) all areas designated as restricted areas, as defined in §336.2
of this title (relating to Definitions), and all areas formerly designated
as restricted areas under rules in effect before January 1, 1994;
(B) all areas outside of restricted areas that require documentation
under paragraph (1) of this section;
(C) all areas outside of restricted areas where current and
previous wastes have been buried as documented under §336.338 of this
title (relating to General Recordkeeping Requirements for Disposal); and
(D) all areas outside of restricted areas which contain material
such that, if the license expired, the licensee must be required to decontaminate
the area to unrestricted release levels; and
(4) records of the cost estimate performed for the funding
plan or of the amount certified for decommissioning, and records of the financial
assurance mechanism used for assuring funds.
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