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August 23, 2013
Mr. Michael J. Case, Standards Executive
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001
Subject: Letter of notification of ANSI approved standards for NRC review and potential endorsement
Dear Mr. Case:
The American Nuclear Society (ANS), a standards development organization under the auspices of the
American National Standards Institute (ANSI), is pleased to provide you with electronic copies of ANS
standards that have been recently approved by ANSI. We request that these standards be reviewed by
NRC staff and considered for endorsement to facilitate use in the regulatory process. Accordingly,
please feel free to distribute the electronic copies to your staff as necessary. If one or more of these
standards are found to merit application in the regulatory framework, we would very much appreciate
your informing us so we can update our records.
Recently approved standards include the following:
ANSI/ANS-2.15-2013, “Criteria for Modeling and Calculating Atmospheric Dispersion of
Routine Radiological Releases from Nuclear Facilities,” (new standard) received ANSI approval
on February 27, 2013. The standard establishes criteria for evaluating the atmospheric effects
of routine radioactive releases at or beyond the facility site boundary. The criteria incorporate
the numerous advances in technical capabilities, computer technology, data access, and
NRC Representatives on Working Group: B. Harvey & M. Mazaika
ANSI/ANS-3.4-2013, “Medical Certification and Monitoring of Personnel Requiring Operator
Licenses for Nuclear Power Plants,” (new standard) received ANSI approval on April 29, 2013.
This standard defines the medical and psychological requirements for licensing of nuclear
power plant reactor operators and senior op