IR 05000010/1981015
| ML17194A615 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 04/13/1982 |
| From: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML17194A614 | List: |
| References | |
| 50-010-81-15, 50-10-81-15, 50-237-81-29, 50-249-81-22, NUDOCS 8204200105 | |
| Download: ML17194A615 (2) | |
Text
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nFFTCE OF INSPECTION AND ENFOPCEMF.NT CQNFJRMATnRY MEASUREMENTS PROGRAM FACILITY: DRESDEN FOR THE 4 QUARTER OF 1981
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4 2E-03 7.0E-09 J.8E-0'5 8.9E-07 1. *3E-07 7. OE-o*:,.
7.0E-09 2.0E-09 6. 9E-02 0. OE-01
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lbis attachment provides criteria for comparin& resul~s of capability tests and verification measurement The. criteria* are based on an empirical relationship \\.:hici1 l.:umbines prior exper!.~!"!ce asuu the accuracy needs of this progra In these criteria, the judgment limits are variable in relation to the comparison of the NRC Reference Laboratory's value to its associated one sirma uncertaint As that ratio, ref erred to in this program as
"Resolution", increases, the acceptability of a licensee's measurement should be more selectiv Conversely, poorer agreement sh~uld be con-sidered acceptable as the resolution decrease The values in the ratio criteria may be rounded to fewer significant figures to maintain statistical conststency with the number of significant figures reported by the NRC Reference Laboratory, unless such rounding will result in a narrowed category of acceptanc The acceptance category reported will be the narrowest into which the ratio fits for the resolution being use RESOLUTION RATIO * LICE~SEE VALUE/NRC REFERENCE VALUE
<3
>3 and <'4
>i. and <8
>s and <16
">16 and <51
>s1 and <200
>200 Agreement No Comparison 0.'4
..5.6' -
1.67 o. 75 1. 33 o. 80 -
1. 25 0.85 -
1.18 Pos.sible Agreement "A" No Comparison.0 '.5.6 1.67 o. 75 1. 33 0.80 1.25
"A" criteria are applied to the following analyses:
Possible Agreement "B" No Comparison No Comparison.0.5.0 l.67 0.75 1.33 Gamma spectrometry, where principal gamma energy used for identifi-cation is greater than 250 ke Tritium analyses of liquid sample J
"B" cri~eria are applied to the following analyses:
Gamma spectrometry, where principal gamma energy used for identif i-cation is less than 250 ke Sr~89 and Sr-90 determination Cross beta, where samples are counted on the same date using the same. *reference nuclide.