No, we do not require tamper seals on RP instruments
Stephen J Holmes, CHP
Rad Prot Tech Support Manager
stephen.hol...@exeloncorp.com<mailto:stephen.hol...@exeloncorp.com>
315-791-3577 | 845-476-0796 (mobile)
[cid:image004.png@01CFD817.5B92ABA0]
R.E. Ginna Nuclear Power Plant
1503 Lake Rd
Ontario, NY 14519
From: Powernet <powernet-boun...@hpspowernet.org> On Behalf Of Tom Meek via
Powernet
Sent: Tuesday, April 09, 2019 3:25 PM
To: powernet@hpspowernet.org
Cc: Tom Meek <orio...@cni.net>; 'Mark Tursa' <mark.tu...@pgn.com>; Jim
VanLooven <james.vanloo...@pgn.com>
Subject: [EXTERNAL] [Powernet] RP field instrument tamper seals
I have a question regarding tamper resistant seals for calibration on RP
meters. A QA audit made a SFR (supplier finding report) at an instrument
calibration facility stating vendor should be placing these seals on our RP
meters.
The cited standard is ANSI Z540:1994 Section 11.5, but after some discussion we
agreed that this only applies to lab standards. He also cited ISO 17025:2017
Section 6.4.12 which states "the laboratory shall take practical measures to
prevent unintended adjustments of equipment from invalidating results." The
auditor said that industry interprets this as requiring tamper seals, but also
said that complying with the ISO standard was a matter of lab certification
only (not a regulatory requirement).
Does any site require tamper resistant seals on RP field instruments? Yes No
If yes how do you handle routine battery and/or desiccant replacement?
What do you do if a seal is found broken or missing. In short, would the event
be entered into the corrective action system?
Do you rely on your source check and zero check of the instrument to "validate"
its calibration in lieu of the tamper seal?
Thanks in advance
Tom Meek, CHP
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