05000000/LER-1975-014, :on 750519,analysis of Reactor Bldg Vent & Main Stack Charcoal & Particulate Filters for Wk of 750513-20 Revealed Release Rates of Halogens & Particulates Exceeding Tech Spec Limits by 23%
| Event date: | |
|---|---|
| Report date: | |
| 0001975014R00 - NRC Website | |
text
_
LICENSEE EVENT REPOFLT 75-14 J
CONTROL BtOCK:l[ lWRT" - PREVIOUS REPORT DATE {~ \\Y 20, 1975
" UPDATE l
l l
l l
(PLEASE PRmT ALL OLErulRE3 WFORMAT903 '
1 6
NAME LCENSE NUMBER YPE T
8 lMlAlPlPlSlIl lOl0l-l0lOlOlOlOl-l0l0l l 4 l 1 l1l1l 1l lOl1l 7 89 14 15 25 26 30 31 32 T7PE Wu i
CATEGOAV DOCKET NUM0ER EVENT DATE AEPOAT DATE
@ CON'T lM l T l lO l5 lO l-l 0 l Pl Ol 3l l Ol 5l 1l ol 'ii 5 l l Ol5 12 l9 17 l5 7 8 57 58 59 60 61 68 69 74 75 BC
EVENT DESCRIPTION
@B 1 l
l 7 89 An analysis of charcoal and particulate filters from the Beactor Building Vent anu 8c EE l the Main Staek for the one week reriod of May 13, through May PO,1975 revealed the l
7 89 release rates of halogens and particulates with half lives greater than eight days, eC II I released to' the environs a s rart of airborne effluents, exceeded the 1.mit set forth l 7 89 in PIIPS Technical Specification section 3.8.B.2 by approximately 23 percent.
80
$I l
7 89 80
@l (AO-75-6) " Airborne Effluents"
[
7 89 g,yg go 1
C E CODE COMPONENT CODE R
MANUFAC f A VIOLATON l
@ I rl 31 LaJ Izi zi zi zl viz i Izl Izl919191 lN I
]
7 89 10 11 12 17 43 44 47 48 j
CAUSE DESCRIPTION j
Dl l The main contributor to this event was radioactive airborne effluents from the l
l l
7 89 80 bl rahaste trocess buildinc ventilntion system.
l 7 89
[
80 DE I l
i 7 89 80 FACut y METHOO OF STAfus
% POWER OfHEA STATUS DISCOVERY DISCOVEAY CESCRPTION i
d lO l5 lO l l NA l d l
Routine Surveillance l
7 8 9
10 12 13 44 45 46 80 AEL E ASE D OF AELEASE AMOUNT Or ACTIVif y 8
I,I Ld i
O.O!A9 mri s i
I vent to Atmosphere 1
LOCATON OF RELEASE 7 8 9
10 11 44 45 80 PERSONNEL EXPOSURES 2
NUVt!F W TYPE D ESCAIP h04 3 lOlOlOl yl NA l
7 89 11 12 13 80 PERSONNEL INJURIES Nt1M6f n DE SCAWTON b l0!Olnl l
'TA l
7 89 11 12 80 OFFSITE CONSEQUENCES (Probable Consequences)
@l None l
7 89 LOSS On DAMAGE TO FACILITY 80
@ (tvPELj l NA DESCAPTON l
7 89 10 80 PUBLICITY 6
4 860613 3l No press release by BEco.
BURNSTEIB6-58 g
7 89 PDR i
80 ADDITIONAL FACTORS b [_
l.
Renctor power was reduced from 70% to 60% on May 18,1975 and further reduced l
]
7 u9 from 60% to ';Oh on May 19,19'/').
80 i
b P.
Refer to LER 75-5 "Undate Report" for additional infa..ation relative to this l
I 80 subject.
80 NAME:
R E. Martin PHONE: 1"b17~7bb"790b va ess.ser
. - ~ _
1 go
/O - Q A gg,7g.
f, _ g - 7 S-i Action Co,n,1rol Form grort n of occurrence.:
Action bv necordn and Flien (telegraim or facsint Jc transmi:. :f onn only) 1.
Complete reproduction of 15 copien (9 copi s for Telephone Reports) 2.
Deternine RO:1 internal distribution from the latest RO:1 assignments list t
(enter namen below) i c' *
/
3 /Our L3
'roject Inspector (5 copies) plus senior (1 copy) and 1
a.
Brancl Chie (1 copy) b.
Direct,or's Office (1 copy) t i
i c.
Records and Files (original,plus 6 copies for c:d tlal distribution) 3.
Facility I:ane (enter here):
e,d,<
C I cIm -
/
]
4.
Determine license or docket ntImber: 50 - ;7 9 L Occu[rence !!o: YF-/ /
5.
11and carry copics of the report to the distribution determined in item A.2 above; hand carry this form to the Project Inspector.
B.
Action b-Proj ec t inspector (all reportr of occ"rrened i
1.
Verify License or Dochet De,tirc:ine a !!If-$ame ffr th tv occurrence:[ lee a,.a /- (!! umber, itc
//.
2.
~~
< [1, 8/h.
l
[%
r1 M L lca 13 -
A fe n.
t9
/4 2s'
.a 1~
> applicabic regulatiot/ under which atdachet$ r'eport was made (check j
3.
Determi 3
one); it c'ntify attached report.md any follow-up reports expected (enter dates):
10 CIh 20.402; Immid.
30 day, other 10 CFR 20.403(a);
+Immed.
,_ 30 day, other
{
24 i.r, 30 day, others 10 CFR 20.405; 30 day, other 10 CFR 50.55(c);
_ 30 day, other 1
V j
10 CFR 50.71; 24 hr, _
10 day,
/
other 10 CFR 70.52; Prompt.
other j
Immed.
15 day, other j
Other
_ First, Second other j
4.
Identify if any previous reports uere made on this occurrence, telephone i
telecommunications, letter.
}
5.
{
Designate Branch (if any)
- .o receive 3 extra copies of report R6EP [g]
11&PP i i
6.
!!o PDR distribdtion i
i 7.
Your name, if not shown in item A.2.a above:
8.
lland carry this forn to Records and Files, j
9.
The report constitutes both a 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> and 10 day notification:
L Q No Yes C.
_ Action by Records and Files 1.
Complete standard transmittals (consider item B.9 above) and preparc.for l
cta i ling.
SAME DAY !!AILI::C IS REQUIRED.
(check here) l 2.
Ent<:r data f rom this form (items A4, B2, B3 into the occurrence report file l
(check here)
{
3.
File this form in ACF chr iological flic.
(telegram, facsimile, or telephonc j
reports only) 3 C-I3
}
RO:I rorm 39 (revised)
June 74 4
d
{
{
May 29, 1975 i
Director, Division of Reactor Licensing Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Cocunission Washington, D.C.
20555 Docket. Number 50-293 License DPR-35 Licensee Event Report 75 Airborne Effluents " Update Report" Gentlemen:
In accordance with Pilgrim Nuclear Power Station Tecluical Specification 6.6.B.3 ve hereby submit Licensee Event Report 75-14, " Update Report".
i l
This report conforms to the requirements of regulatory guide 1.16, l
Revision 2, and was completed within the intent of the Licensee Event Report i
instruction booklet COE-SS-001, dated October 1974, revised December 24, 1974.
i Respectfully submitted, i
I
/
.} 4[,p pd I j.A. Smith
~*"
Pilgrim Division llead Nuclear Operations
Attachment:
A.
LER 75-14 (AO-75-6)
Courtesy Copy to:
Director, Inspection and Enforcessent Region I U.S. Nuclear Regulatory Commission 631 Park Avenue Ring of Prussia, Pennsylvania 19406