IR 05000220/1985010
| ML17054B763 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 07/19/1985 |
| From: | Pasciak W, Zibulsky H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | |
| Shared Package | |
| ML17054B762 | List: |
| References | |
| 50-220-85-10, NUDOCS 8507260412 | |
| Download: ML17054B763 (10) | |
Text
U.S.
NUCLEAR REGULATORY COMMISSION
REGION I
Report No.
50-220/85-10 Docket No.
50-220 License No.
DPR-63 Priority Category C
Licensee:
Niagara Mohawk Power Corporation 300 Erie Boulevard West Syracuse, New York 13202 Facility Name:
Nine Mile Point, Unit 1 Inspection At:
Scriba, New York Inspection Conducted:
May 28-30, 1985 Inspectors:
H. Zibuls
,
mist date Approved by:
W. J.
P ci
,
hief date BWR Rad'ation Protection Section, DRSS Ins ection Summar:
Ins ection on Ma 28-30 1985 Re ort No. 50-220/85-10
~AI
":
R I, df I
I chemistry program.
Areas reviewed included measurement control and analytical procedures evaluations.
The inspection involved 28 inspector hours by one NRC region based inspector.
Results:
No violations were identified,
,'8507260412 850722
', PDR ADOCK 05000220,
8..
'P.DR-Q
I yf (
e DETAILS l.
Individuals Contacted
- T. Roman, Station Superintendent, NMP-1 E.
Leach, Superintendent, Chemistry and Radiation Management
~J. Blasiak, Chemistry Supervisor, NMP-1
"J. Coates, Chief Technician Chemistry
- denotes those present at the exit interview F
The inspector also interviewed other licensee employees including members of the chemistry staff.
2.
Measurement Control Evaluation This is a verification of the licensee's measurement capabilities on actual plant water samples.
The reactor coolant, waste collector tank, and boron tank were sampled for analysis on May 30, 1985.
Duplicate samples were obtained by the inspector to be sent to the Brookhaven National Laboratory (BNL) for independent verification of analysis.
Boron analysis will be performed on the holding tank, chloride analysis on the coolant and silica, iron, and copper on the waste collector tank samples.
On completion of the analyses by both laboratories, a statistical evaluation will be made (Inspector Follow-up Item 85-10-01).
3.
Anal tical Procedures Evaluation During the inspection standard chemical solutions were submitted by the inspector to the licensee for analysis.
The standard solutions were prepared by the Brookhaven National Laboratory for the NRC Region 1,
and were analyzed by the licensee using normal methods and equipment.
The analysis of standards is used to verify the licensee'
capability to monitor chemical parameter s in various plant systems with respect to Technical Specification and other regulatory requirements.
In addition, the analysis of standards is used to evaluate the licensee's analytical procedures with respect to accuracy and precision.
The results of the standard measurements comparison indicated that with the exception of four measurements, all of the results were in agreement under the criteria used for comparing results.
(See Attachment 1)
The four disagreements are not considered significant.
All four of the disagreements were within seven percent of the NRC values.
The results of the comparisons are listed in Table While reviewing the licensee's procedures and associated atomic absorption calibration curves, the inspector identified a flaw at the low end of the copper calibration calculated by the computer.
The computer is integrated with the instrument.
A comparison of concentration values from a linear regression curve indicated a difference of more than 11% for the low standard.
The licensee stated that he would investigate this problem.
No violations were identified.
4.
Exit Interview The inspector met with the licensee representatives (denoted in paragraph 1) at the conclusion of the inspection on May 30, 1985, and
,
summarized the scope and findings of the inspection.
At no time during this inspection was written material provided to the licensee by the inspecto e TABLE 1 CAPABILITY TEST RESULTS NINE MILE POINT UNIT 1 Chemical Parameter NRC Value Licensee Value Ratio Lic/NRC
~Com ar iaoo Results in parts per billion (ppb)
Chloride Nickel Chromium Iron Copper 10.3+0.7 27.7+2.8 69.7+3 1.32+0.16 2.58+0.13 3.79+0.07 1.20+0.10 2.69+0.05 3.74+0.28 1.28+0.09 2.39+0.10 3.43+0.21 1.33+0.01 2.60+0.04 3.84+0.04 10+1 30+1 67.5+5 1.30+.02 2 '5+.04 3.64+.03 1 '5+.04 2.54+.05 3.31+.02 1.35+0.01 2.64+0.02 3.76+0.05 1.33+0 F 01 2.72+0.02 4 '6+0.01 0.97+0.12 1.08+0.11 0.97+0.08 0.99+0.24 0.99+0.05 0.96+0.02 1.13+0.10 0.94+0.03 0.89+0.07 1.05+0.07 1.10+0.05 1.10+0.07 1.000+0.010 1.05+0.02 1.057+0.011 Agreement Agreement Agreement Agreement Agreement Agreement Agreement Agreement Agreement Agreement Agreement Agreement Agreement Disagreement Disagreement Results in parts per million (ppm)
Boron 1014+15 3047+26 5040+130 1081+15 2919+30 49192150 1.066+0.022 0.958+0.013 0.976+0.039 Di sagreement Disagreement Agreement
ATTACHMENT Criteria For Com grin Anal tical Measurements This attachment provides criteria for comparing results of capability tests.
In these criteria the judgement limits are based on the uncertainty of the ratio of the licensee's value to the NRC value.
The following steps are performed:
( 1) the ratio of the licensee's value to the NRC value is computed ( ra ti o Lic e n s e e Ya l u e NRC value the uncertainty of the ratio is propagated.
If the absolute value of one minus the ratio is less than or equal to twice the ratio uncertainty, the results are in agreement.
(( 1-ratio(
< 2 uncertainty)
x
2
Z=, then Sz Sx
+ Sv
~
=
.2 +~
Z:X y
(From: Bevington, P.R.,
Data Reduction and Error Analysis for the Physical Sciences, McGraw-Hill, New York, 1969)
Q