[Global] [EXTERNAL] Re: Zinc injection

[Russell, Ronald B]

Catawba secures at 48 hours prior to a planned shutdown.

Other drivers for securing Zinc.

  *   Mixed Bed Demineralizer bypassed / out of service for > 4 hours
  *   Unit Reactor Trip
  *   Primary coolant monitor becomes inoperable
  *   Nickel concentration exceeds 6 ppb or zinc concentration

From: Global <global-bounces at list.rpalara.org> On Behalf Of Gilliam, Adam L via Global
Sent: Thursday, April 13, 2023 4:16 PM
To: kevin.licklider at dominionenergy.com; global at list.rpalara.org
Subject: [EXTERNAL] Re: [Global] Zinc injection

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Callaway secures zinc 48 hours prior to mode 2. We don't have PRC resin either, we short load our bed with IRN217 Lithiated to 21 ft3 versus 30 ft3

Adam Gilliam  : :  Radiation Protection Supervisor  : :  C 573.220.8513
Ameren Missouri  : :  8315 County Road 459  :  Steedman, MO 65077

From: Global <global-bounces at list.rpalara.org<mailto:global-bounces at list.rpalara.org>> On Behalf Of kevin.licklider at dominionenergy.com<mailto:kevin.licklider at dominionenergy.com>
Sent: Thursday, April 13, 2023 1:53 PM
To: global at list.rpalara.org<mailto:global at list.rpalara.org>
Subject: [EXTERNAL] [Global] Zinc injection

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________________________________
Good afternoon all,
I want to poll the industry about when your plant stops zinc injection prior to a refueling outage and what type resin is used in the online bed.
North Anna stops 24 - 48 hours before shutdown and we do not use PRC-01 resin

Kevin Licklider
North Anna Power Station
ALARA Coordinator
540-894-2873

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