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Jemacy 24, 1908
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U. S. Dept, of Energy
Washington, NC 20545
Dear ‘Mr. Cannon:
The Department of Ehergy has conducted the review of théproposed
guidance for transuranium elements in the environment by a technica} committee
at promised in our letter af November 15, 1983.
The following comments and
recommendations arese from this review.
In our letter of July 8, 1981, we indicated that we had no sections*to
the besic dose equivalent limits proposed as guidance. There were also many
addi tidaal comments on the draft guidance as then proposed includiag a
reference to the nearly 300pages of technical comments provided earlier,
ta
our curtent review, wa felt that there have been many developments since this
letter was iweitten whtch! caused us to change our position on these. numerical
values in the guidance.
[hase include the recent developments in risk based
contro! of anpasure by the ICRP and, more recently, the proposed risk system
of tte NCR.
The obsolescence of the detailed guidance now proposed by the
EPA.1s an fiportant facter.
This guidance was developed in accord with a
request from the Stete of Colorado to provide guidance for control of the
Rocky Flats contamination.
This situation now seems to be under control and
other existing sites of contamination with transuranium elements appear to
present little or no problems.
Thus, the primary use of the guidance appears
to be future weapons accidents or accidents 1n Taunching a nuclear power
Ae Equal Oppetnating Eenptryar/Opersted by University of Caitlornis
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