ML20054J822
| ML20054J822 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 06/21/1982 |
| From: | Barrett L Office of Nuclear Reactor Regulation |
| To: | Harold Denton, Snyder B Office of Nuclear Reactor Regulation |
| References | |
| CON-NRC-TMI-82-039, CON-NRC-TMI-82-39 NUDOCS 8206290622 | |
| Download: ML20054J822 (10) | |
Text
,
DISTRIBUTION TMIPO HQ r/f TMI SITE r/f CENTRAL FILE
~
NRC PDR LOCAL PDR Site Operations June 21, 1982 File NRC/TMI-82-039 4
(o P
MEMORANDUM FOR:
Harold R. Denton, Director
/
,,, p 1
Office of Nuclear Reactor Regulation g\\ g gi l:
%^
ts Bernard J. Snyder, Program Director i a f3 'o
'O
.:g THI Program Office
(-
vi d
".\\
.3 3
FROM:
Lake H. Barrett, Deputy Program Director
\\q
- g 1
'B TMI Program Office w
\\\\
SUBJECT:
NRC Ti1I PROGPJet 0FFICE HEEKLY STATUS REPORT Enclosed is the status report for the period of June 13, 1982 to June 19,1982.
Major items included in this report are:
Liquid Effluents Airborne Effluents EPA and NRC Environmental Data TMI Occupational Exposure Radioactive Material and Radwaste Shipments Submerged Demineralizer System Status i
EPICOR II Reactor Coolant System Feed and Bleed Reactor Building Entry Groundwater Monitoring i
Axial Power Shaping Rod Moyenent Public Meeting W
L ke y B.W ett 8206290622 82
$9 Lake H. Barrett PDR ADOCK PDR Deputy Program Of rector R
THI Program Office
""" N......Enclo su r a:...As.s ta ted...........
5"""'
DATE l....
l mnc ronu ais no so nacu o24o OFFICIAL RECORD COPY
Harold R. M nton June 21, 1982 Bernard J. Snyder cc w/ enc 1:
EDO OGC Office Directors Connissioner's Technical Assistants NRR Division Directors NRR A/D's Regional Administrators IE Division Directors TAS EIS TMI Program Office Staff (15)
PHS EPA DOE Projects Br. f2 Chief, DPRP, RI DPRP Chief, RI Public Affairs, RI State Liaison, RI S
w CovttCA C M
- 'k. d h h _....10hb.h'......
..Tp IPQ L..
.TfjLPQ/,
.h$.......
..TMI P.f......
~~~>..uM7.as.n#4t.e.........MK6... AGsT.no......asenamy.....
. i, 4...
""> 6/4.a2....... ef.w.82......s. m 8 2......., stys2.........spf82
..s/f8p......
sacu oa' OFFICIAL RECORD COPY nac ronu us o..o
o' NRC TMI PROGRAM 0FFICE WEEKLY STATUS REPORT June 13,1982 - June 19,1982
~
' Plant Status Core Cooling fiede:
Heattransferfromthereactorcoolantsystem(RCS) loops to reactor building ambient.
Available Core Cooling Modes: Decay heat removal (DHR) systems, Mini DHR (MDHR) system.
RCS Pressure Control Mode:
Standby pressure control (SPC) system.
NOTE: During Reactor Coolant System feed and bleed, pressure will be maintained with a Reactor Coolant Bleed Tank Pump. Automatic back up pressure control will be provided by the standby pressure control system.
Backup Pressure Control Modes: MDHR and DHR system.
Major Parameters (as of 0600, June 18,1982) (approximate values)
Average Incore Thermocouples:
99'F Maximum Incore Thermocouple:
128 F RCS Loop Temperatures:
A B
Hot Leg 94 F 96*F ColdLeg(1) 90*F 83*F (2) 89 F 83*F Pressure:
65 psig NOTE:
During reactor coolant system feed and bleed, pressure is maintained at approximately 70 psig.
Reactor Building:
Temperature:
72*F Pressure:
-0.25 psig Airborne Radionuclide Concentrations:
3 3.3 E-8 uCi/cc H (sample taken 6/15/82) 85 6.8 E-6 uCi/cc Kr (sample taken 6/9/82) 4.9 E-9 uCi/cc particulates (sampletaken6/10/82)
. 5.
TMI Occupational Exposure Licensee TLD (Thermoluminescent Dosimeter) records indicate the following Unit 2 occupational radiation exposure for 1982:
May 1982 19 man-rem Total 1982 (January-May) 139 man-rem Man-rem is an expression for the sumation of whole body doses to individuals in a group. Thus, if each member of a population group of 1,000 people were to receive a dose of 0.001 rem (1 millirem). of if two people were to receive a' dose of.0.5 rem (500 millirem) each, the total man-rem dose in each case would be one man-rem.
6.
Licensee Radioactive Material and Radwaste Shipment On Thursday, June 17, 1982, 50 drums containing Unit 1 and Unit 2 contaminated laundry were shipped to Tri-State Industrial Laundries, Utica, New York.
Major Activities 1.
Submerged Demineralizer System (SDS).
Processing of the second batch (approximately 50,000 gallons) of reactor coolant system (RCS) water was completed on June 12, 1982.
SDS processing parameters for the batch are shown in Attachment I.
Pumping of reactor building sump water to the SDS feed tanks commenced on June 14, 1982, and was terminated on June 15, 1982, when an SDS sand filter became loaded.
Approximately 4,000 gallons were transferred.
The water is being pumped from a point below the general floor level (in the incore instrument trough) of the reactor building and apparently sludge is being washed into this area, drawn into the pump suction, and collected on the sand filter.
Including this 4,000 gallons, the total amount of sump water in the SDS feed tanks is now approximately 47,000 gallons. This water remains to be processed.
2.
EPICOR II. The EPICOR II system is shutdown on standby status.
3.
Reactor Coolant System (RCS) Feed and Bleed. The third feed and bleed cycle of the RCS commenced on June 14, 1982 and was completed on I
June 17, 1982.
The RCS samples taken prior to and during the cycle are shown in Attachment II.
4.
Reactor Building Entry.
During the reactor building entry on l
June 17, 1982, a radiation survey was made in the open stairway going l
down to the 282 ft. elevation. A health physics technician descended the stairs from the 305 ft. elevation to a landing approximately eight feet above the basement floor (282 ft. elevation).
Radiation levels at the l
landing were 12 R/hr gamma and 35 rad /hr beta.
A radiation survey approximately three feet above the basement floor indicated that the j
gamma field was 24 R/hr.
Based on a visual observation, the basement
o
.. Future Meetings On Thursday, June 24, 1982, Lake Barrett will discuss TMI issues with State Liaison Officers from the Northeast States in the NRC's Region I office in King of Prussia, Pennsylvania.
r-l e
i O
I 6
w.
F e
ATTACHMENT II' RCS Feed and Bleed of 30,000 Gallons Start 6/14/82 - Stop 6/17/82 i
Date Time Cs-137 (uc/ml)
Sr-90'(uc/ml)
Sb-125 (uc/ml) Co-60 (uc/ml) Turbidity (NTU)*
6/7 0900 4.2 11
<2.4 x 10-2 1.8 x 10-3 j4 6/14 1000 4.3 16
<7.7 x 10-2
<8.1 x 10-3 8.1 6/14 2100 4.6 15
<3.4 x 10-2 1.2 x 10-3 7.5
<2.8x10-f
<2.5 x 10-3 7.3 6/15 1800 3.1 9.5 6/16 1730 1.8 9.2
<5.2 x 10-
<8.1 x 10-3 8.4
- Nephelometric Turbidity Units - An empirical measure of turbidity based on measurement of the light-scattering characteri: tics (Tyndall effect) of the particulate matter in the sample.
l l
l
t mx_ m e\\
3
+
0
\\
s
- m 4
\\
c J
A A
t h
b kN R-N
? k T
S P(
\\ \\g\\u kl 1
I u v
\\
N
\\e \\ o g
R N
C o
'Y
\\l Q
o va7e 0
+%
'k 4
!n) smem.
4/ V
\\
$ w /4h t} %\\.
o
(.)
a*
c&
i N
m s
\\
ws
- a g
' bIlg$
4 Joe.inop s
p Jfe
, h N9
~
$p -Y p
M.$
- i; N.
?
/,
w$
2 e
s jd a
E.Pc y
(*
5" QQ 9Rau u.
a g,
gg t
n s
~h L
ee e
k.
N 2
N 0
\\
?
C
~\\
'T s.
qw kus