ML18127A652: Difference between revisions
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| issue date = 07/24/1978 | | issue date = 07/24/1978 | ||
| title = LER 1978-024-00 for St. Lucie Unit 1, on 06/25/78 Concerning During Plant Startup from a Short Maintenance, Dose Equivalent Iodine Exceeded Technical Specification 3.4.8.A Limit of 1.0 Uci/Gram Dose Equivalent | | title = LER 1978-024-00 for St. Lucie Unit 1, on 06/25/78 Concerning During Plant Startup from a Short Maintenance, Dose Equivalent Iodine Exceeded Technical Specification 3.4.8.A Limit of 1.0 Uci/Gram Dose Equivalent | ||
| author name = Schmidt A | | author name = Schmidt A | ||
| author affiliation = Florida Power & Light Co | | author affiliation = Florida Power & Light Co | ||
| addressee name = O'Reilly J | | addressee name = O'Reilly J | ||
| addressee affiliation = NRC/RGN-II, NRC/IE | | addressee affiliation = NRC/RGN-II, NRC/IE | ||
| docket = 05000335 | | docket = 05000335 | ||
Line 17: | Line 17: | ||
=Text= | =Text= | ||
{{#Wiki_filter:REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIBS)DISTRIBUTION FOR INCOMING MATERIAL 50-335 REC: OREILLY J P | {{#Wiki_filter:REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIBS) | ||
NO COPIES RECEIVED | DISTRIBUTION FOR INCOMING MATERIAL 50-335 REC: OREILLY J P ORG: SCHMIDT A D DOCDATE: 07/24f78 NRC FL PWR 5 LIGHT DATE RCVD: 08/01/78 DOCTYPE: LETTER NOTARIZED: NO COPIES RECEIVED | ||
==SUBJECT:== | ==SUBJECT:== | ||
LTR 1 ENCL 1 FORWARDING LICENSEE EVENT REPT (RO 50-335/78-024) | LTR 1 ENCL 1 FORWARDING LICENSEE EVENT REPT (RO 50-335/78-024) ON 06/25/78 CONCERNING DURING PLAN1 STARTUP FROM A SHORT MAINTENANCE i DOSE EQUIVALENT IODINE EXCEEDED TECH SPEC 3. 4. 8. A LIMIT OF i. 0 UCI/QRAM DOSE EQUIVALENT I-131... W/ATT. | ||
ON 06/25/78 CONCERNING DURING PLAN1 STARTUP FROM A SHORT MAINTENANCE i DOSE EQUIVALENT IODINE EXCEEDED TECH SPEC 3.4.8.A LIMIT OF i.0 UCI/QRAM DOSE EQUIVALENT I-131...W/ATT.PLANT NAME: ST LUCIE Si REVIEWER INITIAL: X/M DISTRIBUTOR INITIAL: QQ DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS 4++4<<+4<+<<<+4<<+ | PLANT NAME: ST LUCIE Si REVIEWER INITIAL: X/M DISTRIBUTOR INITIAL:QQ DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS 4++4<<+4<+<<<+4<<+ | ||
INCIDENT REPORTS (DISTRIBUTION CODE A002)FOR ACTION: | INCIDENT REPORTS (DISTRIBUTION CODE A002) | ||
ENCL NS I C+~W/ENCL ACRS CAT B~~W/16 | FOR ACTION: BR CHIEF ORB84 BC++W/4 ENCL INTERNAL: F L ~ ENCL NRC PDR44~W/ENCL u +~W/2 ENCL MIPC+~W/3 ENCL I 8. C SYSTEMS BR++W/ENCL EMERGENCY PLAN BR>~W/ENCL NOVAK/CHECK++WfENCL EEB4+W/ENCL AD FOR ENG~4W/ENCL PLANT SYSTEMS BR+4W/ENCL HANAUER~~W/ENCL AD FOR Pl ANT SYSTEMS+<W/ENCL AD FOR SYS 8c PROJ++W/ENCL REACTOR SAFETY BR>~W/ENCL ENGINEERING BR+4W/ENCL VOLLMER/BUNCH%4W/ENCL KREGER/J. COLLINS++W/ENCL POWER SYS BR++W/ENCL K SEYFRIT/ IE++W/ENCL EXTERNAL: LPDR S FT PIERCEi FL++W/ENCL TICi LIZ CARTER~~%W/ ENCL NS I C+~W/ENCL ACRS CAT B~~W/16 ENCL DISTRIBUTION: LTR 45 ENCL 45 CONTROL NBR: 782140106 SI ZE: iP+ 1 P+3P | ||
LTR 45 ENCL 45 SI ZE: iP+1 P+3P%%%%0f 0f%%%Sf%%%%%%%4 0f%%%%4 4%8/%Sf SHt%%%% | %%%%0f 0f %%%Sf %%%%%%%4 0f%%%%4 4 %8/ %Sf SHt %%%% THE,END %%%%%%%%%%%% H w4%%%%%%%%%%%%%%M 0%4. | ||
H w4%%%%%%%%%%%%%%M 0%4. | |||
p q r W | |||
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/ 1 k | |||
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'- E4 q'J LfY FLORIDA POWER 5 LIGHT COMPANY July 24, 1978 P RN-L I-78-198 Mr. James P. O'Reilly, Director, Region II 2 Office of Inspection and Enforcement U. S. Nuclear Regulatory Corrmission 230 Peachtree Street, N. N., Suite 1217 | |||
: Atlanta, I | |||
Georgia 30303 | |||
==Dear Mr. O'Reilly:== | |||
REPORTABLE OCCURRENCE 335-78-24 ST. LUG IE UNIT 1 DATE OF OCCURRENCE: JUNE 25, 1978 TECHNICAL SPECIFICATION 3.4.8.a DOSE E UIVALENT I-131 The attached Licensee Event Report is being submitted in accordance with Technical Specification 6.9 to provide 30-day notification of the subject occurrence. | |||
Very truly yours, A. . c mi t Vice President Power Resources MAS/cpc Attachment cc: Harold F. Reis, Esquire Doctor, Office of Inspection and Enforcement (30) director, Office of Management Information and Program Control (3) 782l40106 PEOPLE... SERVING PEOPLE | |||
S NRC FORM Saa U. S. NUCI.EAR REGULATORY C SIMISSICiN I7.771 LICEIXScc EVCI'4T REPORT CONTROL, BLOC:<: I I I I I . | |||
Ql IPLSASE PRINT OR TYPP AL RSCUIRcO INFORN'IATIONI I | |||
1 0 's 3 | |||
LIE I i.iCENSca COOE LI 111 Q. 0 01 101 0101 010 LICmslsa NIUAISER I - I I | |||
'S Q~ll ll 26 11 L;Cc<SE TV?E 11 40 Q~IIQ !1 ~1!a CON'T | |||
~o ":.'*i ML'Q ' ' ' i~a I I In I I QE 1 ! !0 6) CCCKET NVAISEs! ~ 63 sa EVENT QATE IS Rc?QAT 0*, 3 !0 EVENT OESCRIPTION 'NO PROGABLZE COVSECUENCES QIO Q 1 -Durin lant startuo from a sh r 16-hour m i tenance shutdown Dose | |||
~03 E uivalent DE Iodine exceeded the Technical S ecification .3.4.8.a limit of 1..0 Ci ram DOSE E UIVALENT I-131. The DE Iodine was first measured | |||
~os above this limit at 1900 on'6 25 78 while the lant was at 97/ ower. The! | |||
0 1 ifi atio | |||
~o~ .4.8.a. A revious occurrence of this t e is described in LER 335-78-13! | |||
~oa !0 1 3 9 SYSTcal CAUSc CAUSE C>l . vALvE C OE COCE SVSCCQE C NPONENT OOE svaccca svacoQE QC 1 6 LZZZS WNS 9 Is) Il WZG ~00 12 la 0 Zl NS IS mic I9 ZZNS SECVENTIAI CCCVAAEiICE REPORT REVISIQNN Qr LSR/Ao ENIEN ACTION CUTVAE r | |||
VE'IT YEAR | |||
.~yg 2I 22 E?RECT | |||
~ | |||
22 SIIUTOQWN | |||
~02 24 R EPOA T 40. | |||
4 26 | |||
~m 21 | |||
~03 AT,ACHMENT CQQE 29 4PROR tvPE | |||
~L 20 PRIMPC MP. | |||
"IO, 32 COAIPON cN 4 | |||
~c4 i TAKE44 ACTION'I CN Pr&NVT,MET)soo HOURS ~22 SVSMI ao PCRM )Ua. SVPPl,lcR UANVPACTVRPR w | |||
4 ~ | |||
MlsL2Js | |||
)2 24 Lz S | |||
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~0 ~ 0 JP | |||
~YQ ~NS 4I 42 MNIQ 43 44 tl 41 CAUS" OESCRIPTIO I ANO CORREE 0 IVE ACTIONS Q2i o Af P ri f w r i i h nmina v 1'of fuel e 1 ant shutdown nd s s t s sufficient to cause Iodine build u Iodine s ikin nenomenon and exceed the urification ca acit for a short eriod of time. | |||
~I 1 | |||
CZ1 3 | |||
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9 ACILI sr 9 | |||
~ ATVS LJS | |||
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ACTIVITY CONTENT | |||
'S ''0 RELEAsco OP RELEASE L~J Q" 0 | |||
tp S~N | |||
~ | |||
L~JQS'A lp | |||
?QvlcR It I2 la QTIIERSNATVS AMOUNi'QP ACTIVITYQSS Q | |||
44 | |||
.METNCO QP OISCQVPRY | |||
+AQO: | |||
4$ | |||
4$ | |||
QISCQV SAY OESCRIPTICN Q4-r tor Observation LOCATION oP RPLEAsc QSS 30 | |||
?SRSONNEE XirQSVRES TYPc CZ ~~Q2'I Z lO | |||
~ IVMSER QESCAIPTIQN QM A | |||
3 II 12 Is PERSONNEL Iiv)UR)ca 0 I00 0cii00 iiQN EZ 1 a L>~Q42 1 lp NA 30 P''6LIC,'.Y NRO ''SE C ILY CH) LEQAA !! I!! I,! !! I! I I 1 3 1 lp | |||
'IAL O P - R R N. A. Scho man ,.. ( 305 ) 552-3802 | |||
~ | |||
LXCENSEE EVENT REPORT PAGE T'tiO | |||
~ .C4 .C SUPPLEHENTARY INFORMATION TECHNXCAL SPECXFICATION PURPORT DOSE E UIVALENT IODXNE V | |||
Reactor power histor startin 48 hours rior to the first sam le in , | |||
which the limit was exceeded. | |||
DATE TLilE AVERAGE REACTOR POHER 6/23/78 1900 to ,97.1% (steady state) 6/24/78 ,. 2000 6/24/78 2100 61 ..0% | |||
6/24/78 2200 20.0% | |||
r 6/24/78 2300 to 0-0% (plant outage) 6/25/78 1400,- k 6/25/78 1500 38.5% | |||
6/25/78 1600 66.3% | |||
6/25/78 1700 90.0% | |||
6/25/78 1800 95.0% | |||
6/25/78 1900%% * | |||
: 97. 0% | |||
Additional Power History: 20% 80% from June 1 to June 12, 1978 98% 100% from June 13 to June 24, 1978 (DEQ I-131; 2.0 4.5 E-I pCi/gram) | |||
~ ~ '. '.- -= "--':First DEQ Iodine Sample '>I.O uCi/gram;: " | |||
~ | |||
E | |||
QEPORTABLE OCCURRENCE 335-78-24 LIC~~']SEE EVENT REPORT | |||
'AGE THREE SUPPLEMENTARX INFORMATION (Cont) | |||
: 2. Fuel burnu b core re ion. | |||
Fuel burnup by octants: | |||
Region 1 10945.0 Region 2 '0893.7 Region'3 10781.0 Average Burnup in t | |||
, Region 4 10876.5 Megawatt Days per | |||
'egion 5 10783.6 Metric Ton Uranium a Region, 6 ,, 10798.3 (I'O'D/HTU) | |||
Region 7 10752.0 Region 8 10868.8 Total Core Average Burnup 10837.4 N \ | |||
: 3. Clean-u flog histor~startin <>S hours rior to the tirst sample in which the limit was exceeded. | |||
Prom 1900 on 6/23/78 until 2100 on 6/24/78, purification flow rate was <82 gpm (two charging pumps). | |||
At 2300 on 6/24/78, purification flow rate was reduced to 52 gpm. | |||
~ From 2400 on 6/24/78 until 0300 on 6/25/78,'urification flow rate was ~iO 'gpm (onc charging pump). | |||
At 0400 on 6/25/78, purification flow rate was increased to 58 gpm. | |||
From 0500 on 6/25/78 until 1900 on 6/25/78, purification flow rate vas w86 gpm (two charging pumps). | |||
NOTE: Clean-up demineraliration consisted of a mixed bed at a 1:1 | |||
~ | |||
ratio, cation to anion, with a bcd volume of 36 cubic feet. | |||
~ ~ | |||
4.::-:. - His tor of de- assin o eration s tar tin 48 hours rior. to the firs t sam le in which the limit was exceeded. | |||
No degassing operations vere performed within the above 48-hour time span. | |||
REPORTABLE OCCURRENCE 335-78-24 LICENSEE EVENT REPORT | |||
, '+AGE IOUR SUPPLEHENTARY XNFORi~fATXON (Cont) | |||
: 5. The time duration when the s ecific activit of the rimar coolant exceeded 1.0 uCi/ ram DE X-131. | |||
Iodine 131 Dose Equivalent was greater than 1.0 uCi/gram from 6/25/78 at 1900 until 6/26/78 at 0030. The total time above 1.0 uCi/gram was 5.50 hours. | |||
~" | |||
: 6. Results of S ecific Activit Anal sis (uCi/ ram). | |||
DATE TINE I-131 1-132 I-133 1-133 DE/ | |||
6/25/78 0215 2.249 E-1 9.66 E-2 3.322 E-1 1.311 E-1 3.291 E-1 | |||
.6/25/78 1900 1.024 E-0 8.12 E-2 6.963 E-1 9.04 E-2 1.222 E-0 6/25/78 2010 1.120 E-0 7.38 E-2 7;500 E-1 9.33 E-2 1.333 E-0 6/26/78 0030 7.736 E-1 '.01 E-2 4.724 E-1 4.92 E-2 9.064 E-1 6/26/78 0615. 4.708 E-1 1.93 E-2 2.393 E-1 3.01 E-2 5.386 E-1 I | |||
~ ~ | |||
I I ~}} |
Latest revision as of 03:08, 3 February 2020
ML18127A652 | |
Person / Time | |
---|---|
Site: | Saint Lucie ![]() |
Issue date: | 07/24/1978 |
From: | Schmidt A Florida Power & Light Co |
To: | O'Reilly J NRC/RGN-II, NRC/IE |
References | |
PRN-LI-78-198 LER 1978-024-00 | |
Download: ML18127A652 (7) | |
Text
REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIBS)
DISTRIBUTION FOR INCOMING MATERIAL 50-335 REC: OREILLY J P ORG: SCHMIDT A D DOCDATE: 07/24f78 NRC FL PWR 5 LIGHT DATE RCVD: 08/01/78 DOCTYPE: LETTER NOTARIZED: NO COPIES RECEIVED
SUBJECT:
LTR 1 ENCL 1 FORWARDING LICENSEE EVENT REPT (RO 50-335/78-024) ON 06/25/78 CONCERNING DURING PLAN1 STARTUP FROM A SHORT MAINTENANCE i DOSE EQUIVALENT IODINE EXCEEDED TECH SPEC 3. 4. 8. A LIMIT OF i. 0 UCI/QRAM DOSE EQUIVALENT I-131... W/ATT.
PLANT NAME: ST LUCIE Si REVIEWER INITIAL: X/M DISTRIBUTOR INITIAL:QQ DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS 4++4<<+4<+<<<+4<<+
INCIDENT REPORTS (DISTRIBUTION CODE A002)
FOR ACTION: BR CHIEF ORB84 BC++W/4 ENCL INTERNAL: F L ~ ENCL NRC PDR44~W/ENCL u +~W/2 ENCL MIPC+~W/3 ENCL I 8. C SYSTEMS BR++W/ENCL EMERGENCY PLAN BR>~W/ENCL NOVAK/CHECK++WfENCL EEB4+W/ENCL AD FOR ENG~4W/ENCL PLANT SYSTEMS BR+4W/ENCL HANAUER~~W/ENCL AD FOR Pl ANT SYSTEMS+<W/ENCL AD FOR SYS 8c PROJ++W/ENCL REACTOR SAFETY BR>~W/ENCL ENGINEERING BR+4W/ENCL VOLLMER/BUNCH%4W/ENCL KREGER/J. COLLINS++W/ENCL POWER SYS BR++W/ENCL K SEYFRIT/ IE++W/ENCL EXTERNAL: LPDR S FT PIERCEi FL++W/ENCL TICi LIZ CARTER~~%W/ ENCL NS I C+~W/ENCL ACRS CAT B~~W/16 ENCL DISTRIBUTION: LTR 45 ENCL 45 CONTROL NBR: 782140106 SI ZE: iP+ 1 P+3P
%%%%0f 0f %%%Sf %%%%%%%4 0f%%%%4 4 %8/ %Sf SHt %%%% THE,END %%%%%%%%%%%% H w4%%%%%%%%%%%%%%M 0%4.
p q r W
t 4 4 4 N$ I P
/ 1 k
~ i 1
4 k
~ AI t
8, I :Iry u
Q
'- E4 q'J LfY FLORIDA POWER 5 LIGHT COMPANY July 24, 1978 P RN-L I-78-198 Mr. James P. O'Reilly, Director, Region II 2 Office of Inspection and Enforcement U. S. Nuclear Regulatory Corrmission 230 Peachtree Street, N. N., Suite 1217
- Atlanta, I
Georgia 30303
Dear Mr. O'Reilly:
REPORTABLE OCCURRENCE 335-78-24 ST. LUG IE UNIT 1 DATE OF OCCURRENCE: JUNE 25, 1978 TECHNICAL SPECIFICATION 3.4.8.a DOSE E UIVALENT I-131 The attached Licensee Event Report is being submitted in accordance with Technical Specification 6.9 to provide 30-day notification of the subject occurrence.
Very truly yours, A. . c mi t Vice President Power Resources MAS/cpc Attachment cc: Harold F. Reis, Esquire Doctor, Office of Inspection and Enforcement (30) director, Office of Management Information and Program Control (3) 782l40106 PEOPLE... SERVING PEOPLE
S NRC FORM Saa U. S. NUCI.EAR REGULATORY C SIMISSICiN I7.771 LICEIXScc EVCI'4T REPORT CONTROL, BLOC:<: I I I I I .
Ql IPLSASE PRINT OR TYPP AL RSCUIRcO INFORN'IATIONI I
1 0 's 3
LIE I i.iCENSca COOE LI 111 Q. 0 01 101 0101 010 LICmslsa NIUAISER I - I I
'S Q~ll ll 26 11 L;Cc<SE TV?E 11 40 Q~IIQ !1 ~1!a CON'T
~o ":.'*i ML'Q ' ' ' i~a I I In I I QE 1 ! !0 6) CCCKET NVAISEs! ~ 63 sa EVENT QATE IS Rc?QAT 0*, 3 !0 EVENT OESCRIPTION 'NO PROGABLZE COVSECUENCES QIO Q 1 -Durin lant startuo from a sh r 16-hour m i tenance shutdown Dose
~03 E uivalent DE Iodine exceeded the Technical S ecification .3.4.8.a limit of 1..0 Ci ram DOSE E UIVALENT I-131. The DE Iodine was first measured
~os above this limit at 1900 on'6 25 78 while the lant was at 97/ ower. The!
0 1 ifi atio
~o~ .4.8.a. A revious occurrence of this t e is described in LER 335-78-13!
~oa !0 1 3 9 SYSTcal CAUSc CAUSE C>l . vALvE C OE COCE SVSCCQE C NPONENT OOE svaccca svacoQE QC 1 6 LZZZS WNS 9 Is) Il WZG ~00 12 la 0 Zl NS IS mic I9 ZZNS SECVENTIAI CCCVAAEiICE REPORT REVISIQNN Qr LSR/Ao ENIEN ACTION CUTVAE r
VE'IT YEAR
.~yg 2I 22 E?RECT
~
22 SIIUTOQWN
~02 24 R EPOA T 40.
4 26
~m 21
~03 AT,ACHMENT CQQE 29 4PROR tvPE
~L 20 PRIMPC MP.
"IO, 32 COAIPON cN 4
~c4 i TAKE44 ACTION'I CN Pr&NVT,MET)soo HOURS ~22 SVSMI ao PCRM )Ua. SVPPl,lcR UANVPACTVRPR w
4 ~
MlsL2Js
)2 24 Lz S
'Q LcQL 26
~0 ~ 0 JP
~YQ ~NS 4I 42 MNIQ 43 44 tl 41 CAUS" OESCRIPTIO I ANO CORREE 0 IVE ACTIONS Q2i o Af P ri f w r i i h nmina v 1'of fuel e 1 ant shutdown nd s s t s sufficient to cause Iodine build u Iodine s ikin nenomenon and exceed the urification ca acit for a short eriod of time.
~I 1
CZ1 3
P 3
9 ACILI sr 9
~ ATVS LJS
~
ACTIVITY CONTENT
'S 0 RELEAsco OP RELEASE L~J Q" 0
tp S~N
~
L~JQS'A lp
?QvlcR It I2 la QTIIERSNATVS AMOUNi'QP ACTIVITYQSS Q
44
.METNCO QP OISCQVPRY
+AQO:
4$
4$
QISCQV SAY OESCRIPTICN Q4-r tor Observation LOCATION oP RPLEAsc QSS 30
?SRSONNEE XirQSVRES TYPc CZ ~~Q2'I Z lO
~ IVMSER QESCAIPTIQN QM A
3 II 12 Is PERSONNEL Iiv)UR)ca 0 I00 0cii00 iiQN EZ 1 a L>~Q42 1 lp NA 30 P6LIC,'.Y NRO SE C ILY CH) LEQAA !! I!! I,! !! I! I I 1 3 1 lp
'IAL O P - R R N. A. Scho man ,.. ( 305 ) 552-3802
~
LXCENSEE EVENT REPORT PAGE T'tiO
~ .C4 .C SUPPLEHENTARY INFORMATION TECHNXCAL SPECXFICATION PURPORT DOSE E UIVALENT IODXNE V
Reactor power histor startin 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> rior to the first sam le in ,
which the limit was exceeded.
DATE TLilE AVERAGE REACTOR POHER 6/23/78 1900 to ,97.1% (steady state) 6/24/78 ,. 2000 6/24/78 2100 61 ..0%
6/24/78 2200 20.0%
r 6/24/78 2300 to 0-0% (plant outage) 6/25/78 1400,- k 6/25/78 1500 38.5%
6/25/78 1600 66.3%
6/25/78 1700 90.0%
6/25/78 1800 95.0%
6/25/78 1900%% *
- 97. 0%
Additional Power History: 20% 80% from June 1 to June 12, 1978 98% 100% from June 13 to June 24, 1978 (DEQ I-131; 2.0 4.5 E-I pCi/gram)
~ ~ '. '.- -= "--':First DEQ Iodine Sample '>I.O uCi/gram;: "
~
E
QEPORTABLE OCCURRENCE 335-78-24 LIC~~']SEE EVENT REPORT
'AGE THREE SUPPLEMENTARX INFORMATION (Cont)
- 2. Fuel burnu b core re ion.
Fuel burnup by octants:
Region 1 10945.0 Region 2 '0893.7 Region'3 10781.0 Average Burnup in t
, Region 4 10876.5 Megawatt Days per
'egion 5 10783.6 Metric Ton Uranium a Region, 6 ,, 10798.3 (I'O'D/HTU)
Region 7 10752.0 Region 8 10868.8 Total Core Average Burnup 10837.4 N \
- 3. Clean-u flog histor~startin <>S hours rior to the tirst sample in which the limit was exceeded.
Prom 1900 on 6/23/78 until 2100 on 6/24/78, purification flow rate was <82 gpm (two charging pumps).
At 2300 on 6/24/78, purification flow rate was reduced to 52 gpm.
~ From 2400 on 6/24/78 until 0300 on 6/25/78,'urification flow rate was ~iO 'gpm (onc charging pump).
At 0400 on 6/25/78, purification flow rate was increased to 58 gpm.
From 0500 on 6/25/78 until 1900 on 6/25/78, purification flow rate vas w86 gpm (two charging pumps).
NOTE: Clean-up demineraliration consisted of a mixed bed at a 1:1
~
ratio, cation to anion, with a bcd volume of 36 cubic feet.
~ ~
4.::-:. - His tor of de- assin o eration s tar tin 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> rior. to the firs t sam le in which the limit was exceeded.
No degassing operations vere performed within the above 48-hour time span.
REPORTABLE OCCURRENCE 335-78-24 LICENSEE EVENT REPORT
, '+AGE IOUR SUPPLEHENTARY XNFORi~fATXON (Cont)
- 5. The time duration when the s ecific activit of the rimar coolant exceeded 1.0 uCi/ ram DE X-131.
Iodine 131 Dose Equivalent was greater than 1.0 uCi/gram from 6/25/78 at 1900 until 6/26/78 at 0030. The total time above 1.0 uCi/gram was 5.50 hours5.787037e-4 days <br />0.0139 hours <br />8.267196e-5 weeks <br />1.9025e-5 months <br />.
~"
- 6. Results of S ecific Activit Anal sis (uCi/ ram).
DATE TINE I-131 1-132 I-133 1-133 DE/
6/25/78 0215 2.249 E-1 9.66 E-2 3.322 E-1 1.311 E-1 3.291 E-1
.6/25/78 1900 1.024 E-0 8.12 E-2 6.963 E-1 9.04 E-2 1.222 E-0 6/25/78 2010 1.120 E-0 7.38 E-2 7;500 E-1 9.33 E-2 1.333 E-0 6/26/78 0030 7.736 E-1 '.01 E-2 4.724 E-1 4.92 E-2 9.064 E-1 6/26/78 0615. 4.708 E-1 1.93 E-2 2.393 E-1 3.01 E-2 5.386 E-1 I
~ ~
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