RE: Recall Lists for Instrumentation; Applicable standards

["McLamb, John (NIH/NIEHS)" <mclamb1@niehs.nih.gov>]

ANSI N323A-1997 Radiation Protection Instrumentation Test and Calibration,

Portable Survey Instruments

section 4.9

"Calibration shall be required at least annually, even when the source

response check requirements outlined in 4.8 are met."



I hope this helps.





John S. McLamb, RRPT





-----Original Message-----

From: james.g.barnes@att.net [mailto:james.g.barnes@att.net]

Sent: Thursday, March 04, 2004 2:31 PM

To: radsafe@list.Vanderbilt.Edu

Subject: Recall Lists for Instrumentation; Applicable standards





Dear all;



We are in the process of rethinking our policies on instrumentation recall

for calibration.  I have a specific question regarding this.



I know that there are such requirements for physical calibration of things

like pressure sensors, torque wrenches, etc. I know that there are such

requirements for physical calibration of things like pressure sensors,

torque wrenches, etc.  I am interested in the existance of any standards

that require the same type of systems for radiation instrumentation.



I recognize that there are advantages to such a system in practice.

However, my interest involves the existence of any STANDARDS that describe

such a system, the intent of such a system, and what level of accuracy and

compliance should be expected.



So;



1)  Are there any ANSI or ISO standards DIRECTLY applicable to radiation

instrumentation that REQUIRE one to maintain an instrument inventory and to

periodically generate a recall list?



2)  Are there any ANSI or ISO standards that are INDIRECTLY applicable to

radiation instrumentation that require such databases and lists?



Thanks,



Jim Barnes, CHP

james.g.barnes@att.net







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