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Category:Letter
MONTHYEARML14080A1352014-03-0505 March 2014 Worcester Polytechnic Institute Reactor, USNRC License R-61, Docket 50-134; Request for Termination of NRC License ML14037A3652014-02-0606 February 2014 IR 05000134-13-001, on 8/22/13 - 1/16/14, Worcester Polytechnic Institute, Worcester, Ma, Site. Cover Letter ML14080A1952013-12-0606 December 2013 Letter from Erin Trent Radiochemistry Analysis Work Order: 337774 ML14080A1962013-10-28028 October 2013 Letter from Erin Trent Radiochemistry Analysis Work Order: 334614 ML13309B0202013-10-0707 October 2013 Worcester Polytechnic Institute, Data Report Dtd October 7, 2013 ML13156A0412013-06-11011 June 2013 M. Curley Ltr. Approval of Final Site Survey Plan for Worcester Polytechnic Institute IR 05000134/20120012013-06-0707 June 2013 IR 05000134-12-001, on 7/11/12 - 5/30/13, Worcester Polytechnic Institute, Worcester, Massachusetts Site ML13149A4672013-05-0606 May 2013 Worcester Polytechnic Institute, Letter Dtd 5/6/2013 from Toxco Materials Management Center, A13270 Worcester Poly Institute MHF-LS Nowr ML13046A1062013-01-18018 January 2013 Worcester Polytechnic Institute Reactor, Final Status Survey Plan ML14080A1942012-12-0404 December 2012 Letter from Erin Trent Radiochemistry Analysis, Work Order: 313811 ML12279A0492012-09-25025 September 2012 Worcester Polytechnic Institute Reactor, USNRC License R-61; Revision to Decommissioning Plan Table 2.3 ML1031200342011-03-29029 March 2011 M. Curley Ltr. Leslie C. Wilbur Nuclear Reactor Facility - Amendment Decommissioning Plan Approval ML1106602092011-02-10010 February 2011 Response to Section 106 Process for Worcester Polytechnic Institute Regarding the Leslie C. Wilbur Nuclear Facility ML1101900732011-01-11011 January 2011 Worcester Polytechnic Institute - Annual Report for 2010 ML1003500702010-02-18018 February 2010 Michael Curley Ltr Approval for Worcester Polytechnic Institute Revision 2, Transportation Plan Dated December 8, 2009 ML1000809912010-02-0303 February 2010 Notice of License Amendment Request and Opportunity to Provide Written Comments And/Or Request a Hearing - Decommissioning Plan for Leslie C. Wilbur Nuclear Reactor Facility at Worcester Polytechnic Institute in Worcester, Ma ML1001302182010-01-0707 January 2010 Worcester Polytechnic Institute Annual Report for 2009 ML0930302702009-10-16016 October 2009 Technical Assistance Request for Wpi Transportation Plan ML0927202212009-09-21021 September 2009 T. Carter Ltr from Wpi 9/21/09 Transportation Plan ML0917300082009-06-23023 June 2009 M. Curley Ltr Worchester Polytechnic Institute - Acceptance Review for Decommissioning Plan and Request for Additional Information ML0909606512009-03-31031 March 2009 Decommissioning Plan for the Leslie C. Wilbur Nuclear Reactor Facility at Worcester Polytechnic Institute ML0901505242009-01-0505 January 2009 M. Curley Ltr Dated 1/5/2009 to the NRC; Annual Report for 2007 ML0827401892008-10-10010 October 2008 Ltr. to M.J. Curley Change in NRC Staff Project Management for Worcester Polytechnic Institute ML0815005062008-08-26026 August 2008 Amendment No. 11 to Facility Operating License No. R-61 for Worcester Polytechnic Institute ML0813002912008-05-0505 May 2008 Worcester Polytechnic Institute Responses to NRC Request for Additional Information of May 5, 2008 ML0810504792008-04-10010 April 2008 Worcester Polytechnic Institute Responses to NRC Request for Additional Information of March 11, 2008 ML0810704602008-04-10010 April 2008 Worcester Polytechnic Institute, Responses to NRC Request for Additional Information of March 11, 2008 ML0805204152008-03-11011 March 2008 Worcester Polytechnic Institute - Request for Additional Information Amendment Request for Possession of the Worcester Polytechnic Institute Reactor ML0806003712008-02-20020 February 2008 Wpi Leslie C. Wilbur Nuclear Reactor Facility Annual Operating Report for 2007 ML0733201502007-11-19019 November 2007 Worcester Polytechnic Institute Responses to NRC RAI Dated October 22, 2007 ML0729000272007-10-22022 October 2007 Worcester Poly Technical Institute - Request for Additional Information Amendment Amendment Request for Possession of the Worcester Poly Technical Institute Reactor ML0723505142007-08-27027 August 2007 Certificate Cover Letter for 50-134/OL-07-01, Worcester Polytechnic Institute ML0722500072007-08-14014 August 2007 Inital Examination Results Letter No. 50-134/OL-07-01, Worcester Polytechnic Institute ML0722205742007-08-14014 August 2007 Iinitial Examination Report No. 50-134/OL-07-01, During Week of 08/06/2007, Worcester Polytechnic Institue ML0723405362007-08-13013 August 2007 Worcester Polytechnic Institute Reactor, Possession-Only License Amendment Application IR 05000134/20072012007-07-30030 July 2007 IR 050000134-07-201 on 07/10/2007 - 07/12/2007 for Worcester Polytechnic Institute, Leslie C. Wilbur Nuclear Reactor Facility IR 05000134/20072022007-07-26026 July 2007 IR 05000134-07-202, on July 10-12, 2007, for Worcester Polytechnic Institute, Leslie C. Wilbur Nuclear Reactor Facility ML0718601462007-06-27027 June 2007 Letter Providing Initial Outline of Worcester Polytechnic Institute'S Plan for Moving Forward Following the Resignation of Current Director, Effective 06/30/2007 ML0712305592007-05-10010 May 2007 Retake Examination Results Letter, No. 50-134/OL-07-001, Worcester Polytechnic Institute ML0712304762007-05-10010 May 2007 Retake Examination Report No. 50-134/OL-07-01, Worcester Polytechnic Institute ML0707501402007-04-30030 April 2007 Issuance of Order Imposing Fingerprinting and Criminal History Records Check Requirements for Unescorted Access to Certain Research and Test Reactors ML0706005932007-03-0101 March 2007 Change of Facility Project Manager, Worcester Polytechnic Institute, Docket No. 50-134 ML0703703532007-01-30030 January 2007 2006 Annual Operating Report from Worcester Polytechnic Institute ML0702200022007-01-26026 January 2007 National Organization of Test, Research and Training Reactors(Trtr) Input on Fingerprinting Requirements for Unescorted Access to Research and Test Reactors ML0629800772006-10-23023 October 2006 E-mail to Research and Test Reactor from M. Mendonca Draft Directors Decision on Uncontrolled/Unmonitored Releases IR 05000134/20052012006-02-0202 February 2006 IR 05000134-05-201, on 12/13-15/05, Worchester Polytechnic Institute ML0603805242006-01-27027 January 2006 Wpi Annual Report for 2005 ML0601704672006-01-25025 January 2006 Initial Examination Corporate Notification Letter No. 50-134/OL-06-01, Worcester Polytechnic Institute ML0527003032005-10-0707 October 2005 RAI Letter - Security Measures - Laflamme ML0522903012005-08-0505 August 2005 Response to Order EA-05-007, Order Imposing Additional Security Measures 2014-03-05
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100 Institute Road Worcester, MA 01609-2280, USA 508-831-5288, Fax 508-831-5064 www.wpi.edu Office of the Executive Vice President September 25, 2012 Attn: Document Control Desk Mail Stop 0-5 C12 Washington., DC 20555-0001 Re: Worcester Polytechnic Institute Reactor, USNRC license R-61; Revision to Decommissioning Plan Table '2.3
Dear Sir:
This is to notify you that Worcester Polytechnic Institute (WPI) has revised Table 2.3 of its Decommissioning Plan, which is attached to this letter. The purpose of this revision was change the license termination screening values for surface soil, for the radionuclides Niobium-94 and Europium-152, such that they would not exceed the consultation triggers in the Memorandum of Understanding Ieiween The Environmental Protection Agency and The Nuclear regulatory Commission. Specifically, the Concentration for Niobium-94 was changed from 5.8 pCi/gram to 3 pCi/gram, and Europium-152 was changed from 8.7 pCi/gram to 7 pCi/gram.
I certify under penalty of perjury that the foregoing is true and correct to the best of nmy knowledge. Executed on September 25, 2012.
Sincerely, I icýel J, Curlf, R ator Direct er University Compliance Officer Finance and Operations
Worcester Polytechnic Institute Document W19-1579-003, Rev. 2 ReactorDecommissioning Plan Section 2, Page I of 36 TABLE 2.3 LICENSE TERMINATION SCREENING VALUES FOR SURFACE SOIL
.. SURFACESOIL SCREENING.-
RADONCLIE* SYMBOL: 'VALUES*ý-FOR UNRESTRICTED Hydrogen-3 (Tritium) 3H 1.1E+02 Carbon-14 14C 1.2E+1 22 Sodium-22 Na 4.3E+00 Sulfur-35 35S 2.7E+02 Chlorine-36 36C1 3.6E-01 45 Calcium-45 Ca 5.7E+01 Scandium-46 46Sc 1.5E+01 54 Manganese-54 Mn 1.5E+01 55 Iron-55 Fe 1.OE+4 57 Cobalt-57 Co 1.5E+02 60 Cobalt-60 Co 3.8E+00 Nickel-59 59Ni 5.5E+03 Nickel-63 63Ni 2.1E+03 90 Strontium-90 Sr 1.7E+00 9
Niobium-94 4Nb 3.OEOO ****
Technetium-99 99Tc 1.9E+01 Iodine-129 1291 5.OE-01 Cesium-134 134Cs 5.7E+00 Cesium-137 '37 Cs 1.1E+01 Europium-152 152Eu 7.0E+00 ****
Europium-154 154Eu 8.OE+00 192 Iridium-192 1r 4.1E+01 Lead-210 21°pb 9.OE-01 Radium-226 22Ra 7.OE-01 226 Radium-226+C Ra+C 6.OE-01 227 Actinium-227 Ac 5.OE-01 22 Actinium-227+C 7Ac+C 5.OE-01 Thorium-228 228Th 4.7E+00 (Note: Table 2.3 is continued on next page)
Worcester Polytechnic Institute Document W19-1579-003, Rev. 2 Reactor DecommissioningPlan Section 2, Page 2 of 36 TABLE 2.3 (continued)
LICENSE TERMINATION SCREENING VALUES FOR SURFACE SOIL SURFACE SOIL SCREENING RADIONUCLIDE* SYMBOL VALUES** FOR:UNRESTRICTED RELEASE (pil)*
2 28 Thorium-228+C Th+C 4.7E+00 Thorium-230 23OTh 1.8E+00 Thorium-230+C 230Th+C 6.OE-01 2
Thorium-232 32TH 1.1E+00 232 Thorium-232+C TH+C 1.1E+00 23 1 Protactinium-231 Pa 3.OE-01 23 Protactinium-231+C 'Pa+C 3.OE-01 Uranium-234 234U 1.3E+01 Uranium-235 235U 8.OE+00 Uranium-235+C 235U+C 2.9E-01 Uranium-238 238U 1.4E+01 Uranium-238+C 238U+C 5.OE-01 Plutonium-238 238pu 2.5E+00 Plutonium-239 239Pu 2.3E+00 Plutonium-241 241Pu 7.2E+01 24 1 Americium Am 2.1E+00 24 1 Curium-242 Cm 1.6E+02 24 3 Curium-243 Cm 3.2E+00
- Plus Chain (+C) indicates a value for a radionuclidewith its decay progeny present in equilibrium. The values care concentrationsof the parent radionuclide,but account for contributionsfrom the complete chain of progeny in equilibriumwith the parent radionuclide(NUREG/CR-5512 Volumes 1, 2, and 3).
- These values represent surface soil concentrations of individual radionuclides that would be deemed in compliance with the 25 mrem/year (0.25 mSv/year) unrestricted release dose limit in 10 CFR 20.1402. For radionuclidesin a mixture, the "sumn of fractions"rule applies (see Part20, Appendix B, Note 4).
- Screening values are in units of (pCi/g) equivalent to 25 mrem/year (0.25 mSv/year). To convert from pCi/g to units of Becquerel per kilogram (Bq/kg) divide each value by 0.027. These values were derived based on selection of the 901h percentile of the output dose distribution for each specific radionuclide (or radionuclide with the specific decay chain). Behavioral parameters were set at the mean of the distribution of the assumned critical group. The metabolic parameters were set at "Standard Man" or at the mean of the distribution for, an average mian.
- From: MOU Table 1: Consultation Triggers for Residential and Commercial/IndustrialSoil Contamination, "Memorandum of UnderstandingBetween The EnvironmentalProtectionAgency and The Nuclear regulatory Commission"