ML20209A145

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Technical Specifications, Chapter 3.1, Reactivity Control Systems
ML20209A145
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Site: Callaway Ameren icon.png
Issue date: 11/13/2019
From:
Ameren Missouri, Union Electric Co
To:
Office of Nuclear Reactor Regulation
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ML20209A098 List: ... further results
References
ULNRC-06547
Download: ML20209A145 (26)
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CHAPTER TABLE OF CONTENTS CHAPTER 3.1 REACTIVITY CONTROL SYSTEMS Section Page 3.1.1 SHUTDOWN MARGIN (SDM) ........................................................................... 3.1-1 ACTIONS ...................................................................................................... 3.1-1 SURVEILLANCE REQUIREMENTS ............................................................. 3.1-1 3.1.2 Core Reactivity ................................................................................................... 3.1-2 ACTIONS ..................................................................................................... 3.1-2 SURVEILLANCE REQUIREMENTS ............................................................... 3.1-3 3.1.3 Moderator Temperature Coefficient (MTC) ......................................................... 3.1-4 ACTIONS ..................................................................................................... 3.1-4 SURVEILLANCE REQUIREMENTS ............................................................. 3.1-5 3.1.4 Rod Group Alignment Limits ............................................................................... 3.1-7 ACTIONS ...................................................................................................... 3.1-7 SURVEILLANCE REQUIREMENTS ............................................................. 3.1-10 3.1.5 Shutdown Bank Insertion Limits ....................................................................... 3.1-11 ACTIONS .................................................................................................... 3.1-11 SURVEILLANCE REQUIREMENTS ............................................................. 3.1-12 3.1.6 Control Bank Insertion Limits ............................................................................ 3.1-13 ACTIONS .................................................................................................... 3.1-13 SURVEILLANCE REQUIREMENTS ............................................................. 3.1-14 3.1.7 Rod Position Indication ..................................................................................... 3.1-16 ACTIONS .................................................................................................... 3.1-16 SURVEILLANCE REQUIREMENTS ............................................................. 3.1-18 CALLAWAY PLANT 3.1-i

CHAPTER TABLE OF CONTENTS (Continued)

Section Page 3.1.8 PHYSICS TESTS Exceptions - MODE 2 ......................................................... 3.1-19 ACTIONS. ................................................................................................ 3.1-19 SURVEILLANCE REQUIREMENTS ............................................................. 3.1-20 3.1.9 RCS Boron Limitations < 500°F ........................................................................ 3.1-22 ACTIONS ...................................................................................................... 3.1-22 SURVEILLANCE REQUIREMENTS ............................................................. 3.1-23 3.1-ii

LIST OF FIGURES Number Title 3.1.3-1 Moderator Temperature Coefficient vs. Power Level 3.1.1-iii Rev. OL-14 12/04

SDM 3.1.1 3.1 REACTIVITY CONTROL SYSTEMS 3.1.1 SHUTDOWN MARGIN (SDM)

LCO 3.1.1 SDM shall be within the limits provided in the COLR.

APPLICABILITY: MODE 2 with keff < 1.0, MODES 3, 4, and 5.

ACTIONS COMPLETION CONDITION REQUIRED ACTION TIME A. SDM not within limit. A.1 Initiate boration to 15 minutes restore SDM to within limit.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.1.1 Verify SDM to be within limits. In accordance with the Surveillance Frequency Control Program CALLAWAY PLANT 3.1-1 Amendment No. 202

Core Reactivity 3.1.2 3.1 REACTIVITY CONTROL SYSTEMS 3.1.2 Core Reactivity LCO 3.1.2 The measured core reactivity shall be within +/- 1% k/k of predicted values.

APPLICABILITY: MODES 1 and 2.

ACTIONS COMPLETION CONDITION REQUIRED ACTION TIME A. Measured core reactivity A.1 Re evaluate core design 7 days not within limit. and safety analysis, and determine that the reactor core is acceptable for continued operation.

AND A.2 Establish appropriate 7 days operating restrictions and SRs.

B. Required Action and B.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion Time not met.

CALLAWAY PLANT 3.1-2 Amendment No. 133

Core Reactivity 3.1.2 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.2.1 ----------------------------- NOTE --------------------------------

The predicted reactivity values may be adjusted (normalized) to correspond to the measured core reactivity prior to exceeding a fuel burnup of 60 effective full power days (EFPD) after each fuel loading.

Verify measured core reactivity is within +/-1% k/k of Once prior to predicted values. entering MODE 1 after each refueling AND

NOTE--------

Only required after 60 EFPD In accordance with the Surveillance Frequency Control Program CALLAWAY PLANT 3.1-3 Amendment No. 202

MTC 3.1.3 3.1 REACTIVITY CONTROL SYSTEMS 3.1.3 Moderator Temperature Coefficient (MTC)

LCO 3.1.3 The MTC shall be maintained within the limits specified in the COLR. The maximum upper limit shall be that specified in Figure 3.1.3-1.

APPLICABILITY: MODE 1 and MODE 2 with keff 1.0 for the upper MTC limit, MODES 1, 2, and 3 for the lower MTC limit.

ACTIONS COMPLETION CONDITION REQUIRED ACTION TIME A. MTC not within upper limit. A.1 Establish administrative 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> withdrawal limits for control banks to maintain MTC within limit.

B. Required Action and B.1 Be in MODE 2 with 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion keff < 1.0.

Time of Condition A not met.

C. MTC not within lower limit. C.1 Be in MODE 4. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> CALLAWAY PLANT 3.1-4 Amendment No. 133

MTC 3.1.3 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.3.1 Verify MTC is within upper limit. Once prior to entering MODE 1 after each refueling SR 3.1.3.2 --------------------------------- NOTES --------------------------

1. Not required to be performed until 7 effective full power days (EFPD) after reaching the equivalent of an equilibrium RTP all rods out (ARO) boron concentration of 300 ppm.
2. If the MTC is more negative than the 300 ppm Surveillance limit (not LCO limit) specified in the COLR, SR 3.1.3.2 shall be repeated once per 14 EFPD during the remainder of the fuel cycle.
3. SR 3.1.3.2 need not be repeated if the MTC measured at the equivalent of equilibrium RTP-ARO boron concentration of 60 ppm is less negative than the 60 ppm Surveillance limit specified in the COLR.

Verify MTC is within lower limit. Once each cycle CALLAWAY PLANT 3.1-5 Amendment No. 133

MTC 3.1.3 Figure 3.1.3-1 (page 1 of 1)

Moderator Temperature Coefficient vs. Power Level CALLAWAY PLANT 3.1-6 Amendment No. 133

Rod Group Alignment Limits 3.1.4 3.1 REACTIVITY CONTROL SYSTEMS 3.1.4 Rod Group Alignment Limits LCO 3.1.4 All shutdown and control rods shall be OPERABLE.

AND Individual indicated rod positions shall be within 12 steps of their group step counter demand position.

APPLICABILITY: MODES 1 and 2.

ACTIONS COMPLETION CONDITION REQUIRED ACTION TIME A. One or more rod(s) A.1.1 Verify SDM to be within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> inoperable. the limits provided in the COLR.

OR A.1.2 Initiate boration to restore 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> SDM to within limit.

AND A.2 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> (continued)

CALLAWAY PLANT 3.1-7 Amendment No. 133

Rod Group Alignment Limits 3.1.4 ACTIONS (continued)

COMPLETION CONDITION REQUIRED ACTION TIME B. One rod not within B.1 Restore rod to within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> alignment limits. alignment limits.

OR B.2.1.1 Verify SDM to be within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> the limits provided in the COLR.

OR B.2.1.2 Initiate boration to restore 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> SDM to within limit.

AND B.2.2 Reduce THERMAL 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> POWER to 75% RTP.

AND B.2.3 Verify SDM to be within Once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> the limits provided in the COLR.

AND B.2.4 Perform SR 3.2.1.1 and 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> SR 3.2.1.2.

AND B.2.5 Perform SR 3.2.2.1. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> AND (continued)

CALLAWAY PLANT 3.1-8 Amendment No. 133

Rod Group Alignment Limits 3.1.4 ACTIONS COMPLETION CONDITION REQUIRED ACTION TIME B. (continued) B.2.6 Re-evaluate safety 5 days analyses and confirm results remain valid for duration of operation under these conditions.

C. Required Action and C.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion Time of Condition B not met.

D. More than one rod not D.1.1 Verify SDM to be within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> within alignment limit. the limits provided in the COLR.

OR D.1.2 Initiate boration to restore 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> required SDM to within limit.

AND D.2 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> CALLAWAY PLANT 3.1-9 Amendment 133

Rod Group Alignment Limits 3.1.4 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.4.1 Verify individual rod positions within alignment limit. In accordance with the Surveillance Frequency Control Program SR 3.1.4.2 Verify rod freedom of movement (trippability) by In accordance moving each rod not fully inserted in the core with the 10 steps in either direction. Surveillance Frequency Control Program SR 3.1.4.3 Verify rod drop time of each rod, from the fully Prior to reactor withdrawn position, is 2.7 seconds from the criticality after beginning of decay of stationary gripper coil voltage each removal of to dashpot entry, with: the reactor head

a. Tavg 500°F; and
b. All reactor coolant pumps operating.

CALLAWAY PLANT 3.1-10 Amendment No. 202

Shutdown Bank Insertion Limits 3.1.5 3.1 REACTIVITY CONTROL SYSTEMS 3.1.5 Shutdown Bank Insertion Limits LCO 3.1.5 Each shutdown bank shall be within insertion limits specified in the COLR.

APPLICABILITY: MODE 1, MODE 2 with any control bank not fully inserted.

NOTE ---------------------------------------------

This LCO is not applicable while performing SR 3.1.4.2.

ACTIONS COMPLETION CONDITION REQUIRED ACTION TIME A. One or more shutdown A.1.1 Verify SDM to be within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> banks not within limits. the limits provided in the COLR.

OR A.1.2 Initiate boration to restore 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> SDM to within limit.

AND A.2 Restore shutdown banks 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> to within limits.

B. Required Action and B.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion Time not met.

CALLAWAY PLANT 3.1-11 Amendment No. 133

Shutdown Bank Insertion Limits 3.1.5 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.5.1 Verify each shutdown bank is within the limits In accordance specified in the COLR. with the Surveillance Frequency Control Program CALLAWAY PLANT 3.1-12 Amendment No. 202

Control Bank Insertion Limits 3.1.6 3.1 REACTIVITY CONTROL SYSTEMS 3.1.6 Control Bank Insertion Limits LCO 3.1.6 Control banks shall be within the insertion, sequence, and overlap limits specified in the COLR.

APPLICABILITY: MODE 1, MODE 2 with keff 1.0.

NOTE ---------------------------------------------

This LCO is not applicable while performing SR 3.1.4.2.

ACTIONS COMPLETION CONDITION REQUIRED ACTION TIME A. Control bank insertion limits A.1.1 Verify SDM to be within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> not met. the limits provided in the COLR.

OR A.1.2 Initiate boration to restore 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> SDM to within limit.

AND A.2 Restore control bank(s) to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> within limits.

(continued)

CALLAWAY PLANT 3.1-13 Amendment No. 133

Control Bank Insertion Limits 3.1.6 ACTIONS (continued)

COMPLETION CONDITION REQUIRED ACTION TIME B. Control bank sequence or B.1.1 Verify SDM to be within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> overlap limits not met. the limits provided in the COLR.

OR B.1.2 Initiate boration to restore 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> SDM to within limit.

AND B.2 Restore control bank 2 hour2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> sequence and overlap to within limits.

C. Required Action and C.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion Time not met.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.6.1 Verify estimated critical control bank position is within Within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> the limits specified in the COLR. prior to achieving criticality SR 3.1.6.2 Verify each control bank insertion is within the limits In accordance specified in the COLR. with the Surveillance Frequency Control Program (continued)

CALLAWAY PLANT 3.1-14 Amendment No. 202

Control Bank Insertion Limits 3.1.6 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.1.6.3 Verify sequence and overlap limits specified in the In accordance COLR are met for control banks not fully withdrawn with the from the core. Surveillance Frequency Control Program CALLAWAY PLANT 3.1-15 Amendment No. 202

Rod Position Indication 3.1.7 3.1 REACTIVITY CONTROL SYSTEMS 3.1.7 Rod Position Indication LCO 3.1.7 The Digital Rod Position Indication (DRPI) System and the Demand Position Indication System shall be OPERABLE.

APPLICABILITY: MODES 1 and 2.

ACTIONS

NOTE -----------------------------------------------------------

Separate Condition entry is allowed for each inoperable rod position indicator and each demand position indicator.

COMPLETION CONDITION REQUIRED ACTION TIME A. One DRPI per group A.1 Verify the position of the Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> inoperable for one or more rods with inoperable groups. position indicators indirectly by using core power distribution measurement information.

OR A.2 Reduce THERMAL 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> POWER to 50% RTP.

(continued)

CALLAWAY PLANT 3.1-16 Amendment No. 182

Rod Position Indication 3.1.7 ACTIONS (continued)

COMPLETION CONDITION REQUIRED ACTION TIME B. More than one DRPI per B.1 Place the control rods Immediately group inoperable for one or under manual control.

more groups.

AND B.2 Monitor and record RCS Once per 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> Tavg.

AND B.3 Verify the position of the Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> rods with inoperable position indicators indirectly by using core power distribution measurement information.

AND B.4 Restore inoperable 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> position indicators to OPERABLE status such that a maximum of one DRPI per group is inoperable.

C. One or more rods with C.1 Verify the position of the 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> inoperable DRPIs have rods with inoperable been moved in excess of 24 position indicators steps in one direction since indirectly by using core the last determination of the power distribution rod's position. measurement information.

OR C.2 Reduce THERMAL 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> POWER to 50% RTP.

(continued)

CALLAWAY PLANT 3.1-17 Amendment No. 182

Rod Position Indication 3.1.7 ACTIONS (continued)

COMPLETION CONDITION REQUIRED ACTION TIME D. One demand position D.1.1 Verify by administrative Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> indicator per bank means all DRPIs for the inoperable for one or more affected banks are banks. OPERABLE.

AND D.1.2 Verify the most withdrawn Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> rod and the least withdrawn rod of the affected banks are 12 steps apart.

OR D.2 Reduce THERMAL 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> POWER to 50% RTP.

E. Required Action and E.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion Time not met.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.7.1 Verify each DRPI agrees within 12 steps of the Once prior to group demand position for the full indicated range of criticality after rod travel. each removal of the reactor vessel head.

CALLAWAY PLANT 3.1-18 Amendment No. 133

PHYSICS TESTS Exceptions - MODE 2 3.1.8 3.1 REACTIVITY CONTROL SYSTEMS 3.1.8 PHYSICS TESTS Exceptions - MODE 2 LCO 3.1.8 During the performance of PHYSICS TESTS, the requirements of LCO 3.1.3, "Moderator Temperature Coefficient (MTC)";

LCO 3.1.4, "Rod Group Alignment Limits";

LCO 3.1.5, "Shutdown Bank Insertion Limits";

LCO 3.1.6, "Control Bank Insertion Limits"; and LCO 3.4.2, "RCS Minimum Temperature for Criticality" may be suspended, and the number of required channels for LCO 3.3.1, "RTS Instrumentation," Functions 2, 3, 6, and 18.e, may be reduced to 3 required channels provided:

a. RCS lowest operating loop average temperature is 541°F;
b. SDM is within the limits specified in the COLR; and
c. THERMAL P0WER is 5% RTP.

APPLICABILITY: MODE 2 during PHYSICS TESTS.

ACTIONS.

COMPLETION CONDITION REQUIRED ACTION TIME A. SDM not within limit. A.1 Initiate boration to 15 minutes restore SDM to within limit.

AND A.2 Suspend PHYSICS 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> TESTS exceptions.

B. THERMAL POWER not B.1 Open reactor trip Immediately within limit. breakers.

(continued)

CALLAWAY PLANT 3.1-19 Amendment No. 154

PHYSICS TESTS Exceptions - MODE 2 3.1.8 ACTIONS (continued)

COMPLETION CONDITION REQUIRED ACTION TIME C. RCS lowest operating loop C.1 Restore RCS lowest 15 minutes average temperature not operating loop average within limit. temperature to within limit.

D. Required Action and D.1 Be in MODE 3. 15 minutes associated Completion Time of Condition C not met.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.8.1 Perform a CHANNEL OPERATIONAL TEST on Prior to initiation power range and intermediate range channels per of PHYSICS SR 3.3.1.7, SR 3.3.1.8, and Table 3.3.1 1. TESTS SR 3.1.8.2 Verify the RCS lowest operating loop average In accordance temperature is 541°F. with the Surveillance Frequency Control Program SR 3.1.8.3 Verify THERMAL POWER is 5% RTP. In accordance with the Surveillance Frequency Control Program (continued)

CALLAWAY PLANT 3.1-20 Amendment No. 202

PHYSICS TESTS Exceptions - MODE 2 3.1.8 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.1.8.4 Verify SDM is within limits provided in the COLR. In accordance with the Surveillance Frequency Control Program CALLAWAY PLANT 3.1-21 Amendment No. 202

RCS Boron Limitations < 500°F 3.1.9 3.1 REACTIVITY CONTROL SYSTEMS 3.1.9 RCS Boron Limitations < 500°F LCO 3.1.9 The boron concentration of the Reactor Coolant System (RCS) shall be greater than the all rods out (ARO) critical boron concentration.

APPLICABILITY: MODE 2 with keff < 1.0 with any RCS cold leg temperature < 500°F and with Rod Control System capable of rod withdrawal, MODE 3 with any RCS cold leg temperature < 500°F and with Rod Control System capable of rod withdrawal, MODES 4 and 5 with Rod Control System capable of rod withdrawal.

ACTIONS COMPLETION CONDITION REQUIRED ACTION TIME A. RCS boron concentration A.1 Initiate boration to Immediately not within limit. restore RCS boron concentration to within limit.

OR A.2 Initiate action to place Immediately the Rod Control System in a condition incapable of rod withdrawal.

OR A.3 ------------ NOTE -----------

Not applicable in MODES 4 and 5.

Initiate action to increase Immediately all RCS cold leg temperatures to 500°F.

CALLAWAY PLANT 3.1-22 Amendment 202 l Corrected l

RCS Boron Limitations < 500°F 3.1.9 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.9.1 Verify RCS boron concentration is greater than the In accordance ARO critical boron concentration. with the Surveillance Frequency Control Program CALLAWAY PLANT 3.1-23 Amendment No. 202

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