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Clean Up Rule Info
FYI - Sorry to create several head aches out
there but here is some info.
The following is a copy of the text of the letter
dated 2/7/97 from
Browner to Jackson:
Shirley Ann Jackson
Chairman
Nuclear Regulatory Commission
etc.
I am writing regarding the NRC rule on
radiological criteria for
license termination that is expected to be
finalized early this year.
We are concerned that NRC may choose to
take a more lenient position
than it previously proposed concerning
ground water remediation and
cleanup levels.
We understand that NRC is giving particular
consideration to making
significant changes from its proposed rule of
August 22, 1994. The
EPA finds these changes, such as
increasing the proposed dose limit
from 15 mrem/yr to as much as 30 mrem/yr
and eliminating a separate
requirement for protecting ground water that
could be used as drinking
water to the Maximum Contaminant Levels
(MCLs) established under the
Safe Drinking Water Act, to be disturbing.
With regards to ground water, this
Administrations's position is that
current or potential furure sources of
drinking water are a valued
national resource and should be protected to
levels suitable for
drinking (e.g., MCLs). A cleanup standard
based solely on a
multipathway dose limit (either 15 or 30
mrem/yr) does not ensure that
ground water is cleaned up within the
aquifer, but instead could rely
solely on exposure controls. Therefore,
EPA thinks that it is vital
that the NRC rule protect ground water that
is a current or potential
future source of drinking water.
If in fact our understanding is correct, then
EPA would also consider
NRC's rule to be not protective under
CERCLA and not consistent with
this and previous Administrations' Ground
Water Policy. EPA has the
authority to choose not to respond to certain
types of releases under
CERCLA because existing regulatory or
other authority under other
Federal statutes provides for an appropriate
response. EPA has
previously chosen not to list on its National
Priorities List (NPL)
for CERCLA releases of source,
by-product, or special nuclear material
from any facility with a current license
issued by the NRC. This
decision was made on the grounds that the
NRC has full authority to
require cleanup of releases from such
facilities.
If NRC were to promulgate its rule with the
above-referenced changes,
EPA would be forced to reconsider its policy
of exempting NRC sites
from the NPL. This change in EPA listing
policy for the NPL would
reflect the EPA view that NRC regulation
would not be adequately
protective of human health and the
environment under CERCLA and the
National Oil and Hazardous Substances
Pollution Contingency Plan
(NCP).
In addition to the issues raised by the NRC
rulemaking, there appear
to be consistency issues with two existing
NRC guidance (NRC Branch
Technical Position "Disposal of On-Site
Storage of Thorium or Uranium
from Past Operations," 46 FR 52061,
October, 1981, and Policy and
Guidance Directive FC 83-23 "Guidelines
for Decontamination of
Facilities and Equipment Prior to Release
for Unrestricted Use or
Termination of License for Byproduct,
Source, or Special Nuclear
Material License," August 1987) and the
NCP and Superfund guidance
since they recommend cleanup levels for
some radionuclides that may
result in doses higher than 15 mrem/yr.
I view these changes to the NRC rulemaking
on radiological criteria
for license termination, and the potential
action that may be required
of EPA, to be very serious matters. We will
be happy to work with
your staff to ensure the promulgation of a
rule, and the development
of related guidance, that are consistent with
CERCLA.
Sincerely,
Carol Browner
Mark P. Winslow
US EPA - Region II
winslow.mark@epamail.epa.gov
ps. None of this stuff is confedential. You can
get it through a freedom of information act
request anyway.