From:	Pomije, Brian D. (LCDR)
Sent:	Tuesday, June 06, 2006 8:03 AM
To:	Burke, Gerald; Clark, Dorothy M. (CIV); Ely, Karen D. (CIV); Fairchild Gregory R LT; Feightner, Michael P. LT; Fong, Raynard K   CAPT; Frampton, Scott W  CIV; Giel, Daniel T. (CTR); Goodwill, Michael E CTR NNMC; Gorsuch, Gregory  M. CAPT; Harden, Gary W; Houston, Tony L. HM2; Johnson, Gabrielle M.; LaFontaine, Richard L CT; Loscocco, Michele F CDR NNMC; Minette, Christopher E. (LCDR); Ozeroglu, Muhammed A  LT; Pomije, Brian D. (LCDR); Scott, John H., CIV.; Simays, Andrew E., CDR; Smith, Glenee L. (Civ); Solanki, Haresh P; Tarver, James K. (CDR); Van Way, Rick L  LCDR (Ret); Younes, Georges  E LCDR
Cc:	Pomije, Brian D. (LCDR); Ely, Karen D. (CIV); Clark, Dorothy M. (CIV); Hernandez, Jose E. (CIV); Fallon, Ann P. (CAPT); Earles, Marvin R LCDR ; Glennon, Brendan K. CDR BUMED; Lino CDR Fragoso (E-mail) (Lino.Fragoso@navy.mil); Hutto, Robert CAPT; Miller, David B, CAPT (NMSC); Nazareno, Felix M GS; Netzer, Patricia H. (CAPT); Styles, Donna L (CAPT)
Subject:	Rad Decay Spreadsheet for Free-Release or Decommissioning Purposes

Medical Radiation Safety Officers:

The attached "sample" spreadsheet may be helpful when free-releasing spaces for unrestricted use (based on mathematical decay) as part of simplified "Group 1" decommissioning.  Note that you must also be able to show that no long-lived sealed sources had leaked based on previous leak testing results.

Also, during a recent inspection of our records by the Nuclear Regulatory Commission (NRC), their decommissioning expert liked the spreadsheet so much that she requested an electronic copy for their use.

http://www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr1757/

In addition, I have attached the "Group 1" decommissioning guidelines taken from NUREG-1757, Vol. 1, Rev. 1 as well as the internet link to the entire Regulatory Guide.

[This message was forwarded to all applicable medical RSOs]

V/R,

LCDR Pomije

Brian D. Pomije, MS, DABR
Lieutenant Commander, Medical Service Corps, USN
Radiation Health Team Leader
Navy Environmental Health Center
620 John Paul Jones Circle (Suite 1100)
Portsmouth, VA 23708-2103

W: (757) 953-0766; DSN: 377-0766
Cell: (757) 651-2814
Fax: (757) 953-0685

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