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RESRAD-BIOTA

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The RESRAD-BIOTA code was designed to be consistent with, and provide a tool for, implementing the US DOE Graded Approach for Evaluating Radiation Doses to Aquatic and Terrestrial Biota (US DOE, 2002). The code was developed by Argonne National Laboratory (ANL). Code and version control are currently maintained by DOE through Argonne as part of the RESRAD family of codes.RESRAD-BIOTA was been developed to replace the BCG (biota concentration guidelines) calculator (although the latter is still available from USA govenment websites it is out understanding that unlike RESRAD-BIOTA that it will not be maintained).

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RESRAD-BIOTA is available free of charge and can be downloaded from the RESRAD Web site

http://web.ead.anl.gov/resrad

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.

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An

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updated

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version

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of

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the

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code

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new

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version

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(V.1.5),

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which

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has

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probabilistic

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analysis

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capability

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that

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allows

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users

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to

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conduct

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uncertainty

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analysis

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on

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most

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input

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parameters,

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was

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released

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in

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December

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2009.

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A

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factsheet

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and

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user

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manual

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are

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available

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from

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the

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ANL

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website.

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The

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RESRAD-BIOTA

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package

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is

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designed

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as

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a

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screening

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tool

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with,

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in

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effect,

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a

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requirement

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for

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site

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specific

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data

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at

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anything

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above

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the

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initial

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screening

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levels.

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However,

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the

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tool

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does

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contain

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allometric

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models

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enabling

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the

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user

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to

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define

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transfer

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to

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terrestrial/riparian

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mammal

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and

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bird

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species

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of

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interest

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including

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the

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creation

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of

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simple

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foodchains

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(see

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What

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is

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allometry?

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).

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The

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RESRAD-BIOTA

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code

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has

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been

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applied

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by

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both

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the

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code

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developers

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and

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independent

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users

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in

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intercomparison

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exercises

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of

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the

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IAEA's

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EMRAS

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programmes.