1.  Primarily neutron SRDs
  2.  If area hasn't been characterized for neutron SRD energy response, 
preferred technique is timekeeping with REM500
  3.  No
  4.  Yes. We have one neutron source and we require neutron dosimetry and 
neutron surveys when working with this source
  5.  Only accessible permanently posted neutron area is outside our 
containment personnel hatch. We survey quarterly

Stephen J Holmes, CHP
Rad Prot Tech Support Manager
315-791-3577 | 845-476-0796 (mobile)

R.E. Ginna Nuclear Power Plant
1503 Lake Rd
Ontario, NY 14519

From: Powernet [mailto:powernet-boun...@hpspowernet.org] On Behalf Of Beth 
Heyeck via Powernet
Sent: Monday, April 16, 2018 3:33 PM
To: powernet@HPSpowernet.org
Cc: Beth Heyeck <eahey...@aep.com>
Subject: [EXTERNAL] [Powernet] Neutron dose tracking

We are looking at streamlining our neutron dose tracking and are wondering how 
other plants are performing it.

  1.  Which do you use for determining neutron dose for workers in Neutron 
Exposure Areas:
     *   Stay time tracking
     *   Gamma to neutron ratios
     *   Neutron sensitive SRDs
     *   Other
  2.  Do you have specific criteria for using any of the above?
  3.  Are there any exemptions to tracking neutron doses in Neutron Exposure 
Areas, and how are those documented?
  4.  Do you track neutron dose outside of Neutron Exposure Areas/when handling 
neutron sources?
  5.  How often do you perform neutron surveys of Neutron Exposure Areas?

Elizabeth Heyeck, CHP
Senior Health Physicist
D.C. Cook Nuclear Plant

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