I am examining how we conduct and complete our site's annual Radiation
Protection Review as required by 10 CFR 20 subpart B 20.1101 RP Programs (c). I
have seen these reviews performed in various ways over the years and am curious
how other utilities are conducting them, what type of procedural
We are seeking information on how the industry is or has handled "primary
startup sources." These sources usually Cf-252, as you know, are received by
the facility as licensed byproduct material and are required to be inventoried
and leak tested until subjected to neutron flux. Usually they are
Good benchmarking question. Thanks for posting it. Below is TVA- Sequoyah's
answer, and a little more as I couldn't resist.
From: Powernet On Behalf Of Dave Raye via
Powernet
Sent: Wednesday, June 26, 2019 12:41 PM
To: 'powernet@hpspowernet.org'
Cc: Dave Raye
Subject: [Powernet] Quick
Hi Michael,
At TVA's Sequoyah plant we use the DMC-2000GN electronic dosimeters to monitor
neutron dose during dry cask campaigns (this is the only significant neutron
dose source we have due to our plant design). We have not experienced any
unusual neutron doses or dose rates with their use
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From: Powernet [mailto:powernet-boun...@hpspowernet.org] On Behalf Of Rolph,
James Thomas Jr via Powernet
Sent: Tues
We would like to conduct a short pulse within the industry of what portable
instrument (meter and detector model) your site uses to count smears for alpha
in the field.
Thank you in advance,
James (JT) Rolph, CHP
Superintendent, RP Technical Support
Radiation Protection
Tennessee Valley
All TVA site permit workers to take their dosimetry home.
We conduct studies of surround areas where most individuals live and have a
pretty good idea of the background variation in the area. We have a few cases
annually of individuals taking their DLR on travel, to medical procedures,
John,
1.How many Units are your plants? We are a 2 unit Westinghouse PWR four
loop plant
2. How many personnel are in your departments? We have 53 full time
equivalent positions in RP
3. Of those personnel, how many are technicians? 26 Laborers? 9
Specialists? 3