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What is NUMUG? 1 Kenneth G. Wastrack Tennessee Valley Authority Presented at the 12 th NUMUG Meeting Charlotte, NC / 25-27 June 2008.

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Presentation on theme: "What is NUMUG? 1 Kenneth G. Wastrack Tennessee Valley Authority Presented at the 12 th NUMUG Meeting Charlotte, NC / 25-27 June 2008."— Presentation transcript:

1 What is NUMUG? 1 Kenneth G. Wastrack Tennessee Valley Authority Presented at the 12 th NUMUG Meeting Charlotte, NC / June 2008

2 What is NUMUG?2 Nuclear Utility Meteorological Data Users Group (NUMUG)  Mission and Objective is to provide a forum to address problems and exchange ideas for those collecting and utilizing meteorological data at nuclear facilities.  Membership is open to any individual interested in pursuing the mission and objectives of the group.

3 What is NUMUG?3 NUMUG Organization  NUMUG has a written charter.  NUMUG is managed by the Steering Committee.  The Steering Committee consists of five members, with at least three members representing U.S. electric utilities.

4 What is NUMUG?4 Past Meetings 1991Chattanooga, TN 2000Las Vegas, NV 1993Boston, MA 2002St. Charles, IL 1994Charlotte, NC 2003Chattanooga, TN 1996San Francisco, CA 2005Wilmington, NC 1997South Bend, IN 2006St. Louis, MO 1999Syracuse, NY

5 What is NUMUG?5 Accomplishments  Survey of Monitoring Systems  ANSI/ANS-3.11(2005), “ American National Standard For Determining Meteorological Information At Nuclear Facilities ”  Comments considered in NRC RG-1.23 (Rev 1), “ Meteorological Monitoring Programs for Nuclear Power Plants ”  NUMUG ListServer  Web Site  Position Papers

6 What is NUMUG?6 Survey of Monitoring Systems  One of NUMUG's first activities was to compile a data base of meteorological monitoring programs to help focus NUMUG's efforts.  The original survey was conducted during 1992 and the results were presented in  The second edition of the survey was conducted during with results presented in 1999.

7 What is NUMUG?7 Survey of Monitoring Systems Survey Topic Areas  Identification  Unit Information  Site Characteristics  Meteorological Tower Information  Variables Monitored  Meteorological Instrumentation  Recording and Auxiliary Equipment  Off-Site Data Sources  Maintenance and Calibration  Data Processing and Archiving  Administration

8 What is NUMUG?8 Survey of Monitoring Systems Survey Participation Number of surveys mailed for U. S. facilities 1992: : 82 Number of responses to original survey only18 Number of responses to second survey only12 Number of responses to both surveys15 Total Number of Responses45

9 What is NUMUG?9 Survey of Monitoring Systems (Participants)

10 What is NUMUG?10 Survey of Monitoring Systems Use of survey results: Design a new system or upgrade an existing system.Design a new system or upgrade an existing system. Determine the best equipment for a particular site.Determine the best equipment for a particular site. Compare experiences with other operators concerning particular equipment.Compare experiences with other operators concerning particular equipment. Compare monitoring programs for similar sites.Compare monitoring programs for similar sites.

11 What is NUMUG?11 Survey of Monitoring Systems  Some information is out-of-date.  Facilities have changed operational status.  Equipment changes have been made.  New facilities are planned. A new edition is in the future.

12 What is NUMUG?12 ANSI/ANS-3.11  Initiated by NUMUG with support from the Department of Energy (DOE) Meteorological Coordinating Council (DMCC).  Began as a review of ANSI/ANS , “Standard for Determining Meteorological Information at Nuclear Power Sites”.  The working group consisted of approximately 30 individuals from across the whole range of organizations involved in meteorological data collection at nuclear facilities.

13 What is NUMUG?13 ANSI/ANS-3.11  Changes in ANS-3.11 –Add operational data applications (not just siting). –Apply to both private and public (DOE & DOD) entities. –Consider the entire nuclear plant life cycle. –Address multiple monitoring locations for modeling applications. –Include state-of-the-art meteorological monitoring equipment.  Issued as ANSI/ANS , “Determining Meteorological Information at Nuclear Facilities”.

14 What is NUMUG?14 ANSI/ANS-3.11  During the 2003 review, the Working Group determined the standard needed updating. New reference standardsNew reference standards Advances in instrumentationAdvances in instrumentation Advances in data managementAdvances in data management Advances in program managementAdvances in program management  Issued as ANSI/ANS , “Determining Meteorological Information at Nuclear Facilities”.

15 What is NUMUG?15 ANSI/ANS-3.11  During , the Working Group will re- evaluate ANSI/ANS and determine action to be taken prior to the standard’s sunset in oReaffirm oSunset oUpdate  New working group members are welcome.  The working group needs a new chairman. (Thanks to Stan Marsh and Carl Mazzola).

16 What is NUMUG?16 NRC RG-1.23 (R1) Comments  NRC determined that existing meteorological monitoring guidance was inadequate for the new power plants that were being proposed.  Regulatory Guide 1.23 (R0), “Onsite Meteorological Programs” was issued in 1972 and needed to be updated.  Because of the collective expertise available in NUMUG, NRC specifically asked NUMUG to review the draft RG.

17 What is NUMUG?17 NRC RG-1.23 (R1) Comments  NRC announced the draft RG concurrent with the St. Louis NUMUG meeting in  The NUMUG Steering Committee solicited comments from the membership and submitted a composite set of comments.  The Steering Committee conducted a conference call with the NRC authors to clarify comments and address NRC responses.

18 What is NUMUG?18 NRC RG-1.23 (R1) Comments  NRC published the final revision in March  Many of the NUMUG comments were incorporated or otherwise addressed in the final version.  NRC acknowledged the contribution made by NUMUG in developing the standard.

19 What is NUMUG?19 ListServer  Sponsored by Lawrence-Livermore Lab (ListServer established by Frank Gouveia).  Provides a forum to address problems and exchange ideas for those collecting and utilizing meteorological data at nuclear facilities.

20 What is NUMUG?20 ListServer  The topics covered included: oMeteorological instrumentation oData-collection techniques oQuality assurance oEmergency preparedness oRegulations and standards

21 What is NUMUG?21 ListServer Subscription To receive listserver messages, send a message to: The message text should be: subscribe numug Note: No subject is required.

22 What is NUMUG?22 ListServer Sending a Message Send a normal message to: The message will automatically be sent to all individuals (60+) subscribing to the ListServer.

23 What is NUMUG?23 Web Site  Web site was established during  Sponsored by North American Technical Center (NATC).  Includes announcements and a presentation archive from previous meetings.  Access using web address:

24 What is NUMUG?24

25 What is NUMUG?25 Position Papers  NUMUG has a unique role in providing a forum to address problems and exchange ideas for those collecting and utilizing meteorological data at nuclear facilities.  This collective expertise can provide useful information on topics that fall within this scope.  This collective expertise can provide useful information on topics that fall within this scope.

26 What is NUMUG?26 Position Papers  Position papers convey information on relevant topics.  The position papers are posted on the NUMUG web site.  The first NUMUG position paper is "The Role of Meteorologists in Nuclear Utilities".

27 What is NUMUG?27 Position Papers  Proposed topics for future position papers: oWhat is a Qualified Meteorologist? oThe Need for Meteorological Monitoring Programs for Nuclear Power Plants oCalibration Procedures oMeteorological Data Requirements to Meet the Needs of Emergency Management Programs oSonic Anemometry oSoftware Quality Assurance (SQA) of Meteorological Data

28 What is NUMUG?28 The Future of NUMUG  Continue to provide a forum for discussion (meetings, ListServer, etc.).  Communicate NUMUG message to public (web site).  Provide collective expertise to NRC, other regulators, and standards organizations.  Complete additional position papers.  Conduct a new survey of meteorological monitoring programs.


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