ML20032B144
| ML20032B144 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 10/08/1981 |
| From: | YANKEE ATOMIC ELECTRIC CO. |
| To: | |
| Shared Package | |
| ML20032B141 | List: |
| References | |
| O.P.-3510-01, O.P.-3510-1, NUDOCS 8111040606 | |
| Download: ML20032B144 (11) | |
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-A VERMONT YANKEE EMERGENCY PLui J,
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1MPLEMENTING PRC,CEDURES y
m October 8,1981 t
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TABLE0F CONTENTS g
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o Contact Lisc October; 1981
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Impitmentins Procedures.:
s 7
91.ergency Plan' Classification and' A.P. 3125 Rev. 1 4
.Actica Level Scheme
' _ ~ Unusual. Event 0.P. 3500 Original t
Alert O.P. 3501 Rev. 1
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y s
l Sfc2 hrea Emergency, O.P. 3302 Rev. 13
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Gendral Emergency O.P. 3503 Rev. 14 N
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Evaluition of Of f-Sit.e Radiological 0.P. 3513 Rev. 4~
Coitditions i
l'Off-Site and Site Bdhndary O.P. 3510 Rev. 8
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,p" Monitoring Q
Emergency <. Radiation Exposure 0.P. 3507 Rev. 11 Controls
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IN s On-Site :!edical Emergency Procedure 0.P. 3508
,Rev. 9 4,
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'N-Emergency Acti:ias by Plant Security 0.P. 3524 Rev. 1 5 Personnel i
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V Release of Public Information A.P. 0835 Rev. 3
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4 Radiologics; Coordination 0.P. 3525 Original I
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p r,
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l N Environmental,Sc.=ple Collection 0.P. 3509 Rev. 6 i
G During an Emergency
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. Cd', ole aental Procedures:
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t 1.mergancy Plan, Training O.P. 3712 Rev. 4 t
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( y r -g Emergency Preparedness Exercises 0.P. 3505 Rev. 8 3
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and Drills p
3 Emergency Equipment Readiness Check O.P. 3506 Rev. 12 l
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Emergency Communications O.P. 3504 Rev. 13 T,1 ofgf PDR a
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Dspt. Supv.
M C d Proc. No.
0.P. 3510 PORC_
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Pltnt-Supt / W n h. A, Issua Date 10/5/81 Mgr. of Ops.GWTC EEReview Date 10/5/83
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l 0FF-SITE AND SITE BOUNDARY MONITORING
Purpose:
To survey and report off-site radiological conditions to the Emergency Coordinator.
I Discussion:
The prime objective of the Off-Site and Site Boundary Monitor-ing Teams d3 to royIdly survey areas downwind'of the plcnt site in order to determine the extent and magnitude of any release of radio-active material following an lacident.
It should be stressed that the initial off-site and boundary survey is of great importance; decisions regarding the extent and types of protective actions re-quired by the public will be based upon initial data raported by the
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survey teams.
j The. task of each monitoring team is to collect radiological data and air samples, and..cansmit information to and/or receive instructions from the Emergency Operations Facility. Unless directed otherwise by the Emergency Coordinator, the basic duties and respon-sibilities of the monitoring teams are as follows:
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("Yallow" or sample, unless otherwise directed, a. the site boundary Site Boundary -Obtains a dose rate reading and a 1 minute (10 LPM) air
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Security Teams)downwinel location where maximum radiation levels are y11 detected.
Off Site -
Proceeds off-sits to inner predetermined sample (Green) location in downwind sector (i.e., green dot in 4
appropriate downwind sector on area map) obtaining
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J, radiation level readings enroute and a 1 minute (10 LPM) air sample, unless otherwise directed, when on station.
The data obtained is radioed to the Emergency Operations Facility.
Off-Site -
Proceeds off-site to the vicinity of the outer (Blue) predetermined sample location in downwind section i
g (i.e., blue dot,in appropriate downwind sector of p
- W area map) and tranverses the plume to determine maximum
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radiation levels, or the plume centerline. A 1 minute
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(10 LPM) air:sasple, unless otherwise directed, is
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taken at that location and data obtained is radioed y
to the Emergency Operations Facility.
The overriding censideration in the initial survey is speed y
combined with reasonable accuracy.
Information is required with as little delay as possible;.therefore, the survey consists of simple
. methods to approvimate the magnitude of the accident. Once the (g
initial urpac.y of the situat; ion is completed, subsequent su"veys 3 j, '-
and/or analy'fs may be made to obtain more accurate detailed information s
fa'ndia more precise evaluation. Additionally, samples will be collected y'
'and returned to the Emergency Operations Facility for further analysis as the emergency and. recovery phases continue.
L1
,, 0.P. 3510 Rr.v. 8 7
The following table is attached:
Table 1 1 Minute Air Sample I-131 Cartridge Results
References:
b A.
Tech. Spec.
t 1.
None B.
Admin. Limits None C.
9ther 1.
None Precautions:
1.
Use care not to contaminate monitoring equipment.
2.
During foul weather, use care not to damage filters by expos-ing them to the elements.
(e.g., sample under hood or inside car.)
3.
The individual driving the vehicle will not perform radio
{S communications or take radiological readings while he is driving q) the venicle.
Prerequisites:
1.
None 1
Procedure:
NOTE:
1.
If an incident occurs during normal work hours, the Emergency Coordinator will assign tags (i.e., duties) to personnel.
If an incident occurs during off hours, the Emergency Assignm2nt Tag Board will be used in numerical sequence.
2.
Each step of this procedure is to be initialed by a member of the monitoring team.
NOTE:
If any equipment malfunctions or is missing, notify the Emerge..cy Coc.rdinator.
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.- 0.P. 3510
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Rev. 8
(^h Section I - TO BE COMPLETED PRIOR TO LEAVING SITE (Unless otherwise
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-directed by the Emergency Coordinator)
Team Name Team Members Date f
Time Initial l
A.
Site Boundary (" Yellow" or Security) Team - Obtain respirator, high range dosimeter, dose rate rate meter (PIC-6) and air sampler.
Off-Site (" Green"& Blue") Teams - Obtain Off-Site Monitoring Kit, air sampler, Eberline RM-14, and j
dose rate meter-(PIC-6).
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r B.
Perform the following checks:
1.
Air Sampler a.
Insure that a new filter paper and charcoal cartridges are properly in-stalled in their respective holders.
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2.
RM-14 (Off-Site Teams only)'
a.
Turn range switch to BATTERY CHECK position and insure meter reads in the BATT OK range.
b.
Insure that the response switch is in 4
SLOW position and that the test switch
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t in back is in the DOWN position.
f c.
Verify instrument responds properly to radiation by use of the check source in the emergency kit.
d.
Serial #
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3.
PIC-C a.
Turn range switch to BATTERY CHECK position and verify that the bsttery l
condition is within the indicated J
range.
b.
Verify that instrument responds properly to radiation by use of the check source
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(~g in the emergency kit.
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c.
Serial //
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Initial e
C.
Determine wind speed r.nd downwind-direction from the Emergency Coordinator,1 the Radiological As-sistant, or by calling Control Room.
1.
Wind speed mph; Dir'ection -
3 NOTE:
If use of a company' vehicle is required, re-quest same from the Manpowe'r'and Planning Assistant.
D.-
Rezero high' range dosimeter, if necessary,
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and/or note initial reading of each.
E.
Obtain potassium iodide (KI) treatment from E.C.,
if conditions indicate.
F.
Proceed to outer gatehouse and obtain one portable 7
radio transceiver per team and your assigned.1na badges.-
1.
Check operability of radio as follows:
a.
Place frequency selector switch to posi-
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tion 3.
"x NOTE:
In the event of failure of Freq. 3 in i ~
the field, switch to Freq. 1.
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b.
In a normal voice and with microphoue approximately 8-10 inches in front of mouth, push microphone button and say:
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" Coordinator Base, this is (specify color)
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Team requesting a radio check.; Do you
^2 read me?" Release microphone becton.
(The l
Operation Facility base radio should respond f
to your call.)
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c.
Acknowledge response by pushing micro-phone button and saying:
" Coordinator l
i Base, this is (specify' color) Team. We are proceeding to predetermined sample 1
location in (downwind) sector unless you li have special instructions for us.
Over."
(Base station will acknowledge or will give j
special instructions.)
d.
Upon completion of transmissions, the last unit to leave the air should say "This is WRZ-941.
Clear."
NOTE:
If this is a drill, then E [s.
state "This is a drill."
!l~ b 2.
If radio it inoperable obtain a replace-ment and repeat above step.
4 3.
Radio operable and contact made with Coor-dinator Base.
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NOTE:
Boundary and off-site teams should attempt to
~~~ l minimize their radiation exposure, as practicable, while performing their duties. Inform the Emergency Coordinator by-radio in.the event a
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high range dosimeter' exceeds 1R while performing-l this procedure.
SECTION II'- 0FF-SITE SURVEY ENROUTE - (Off-Site Teams only, Site Boundary Team proceed to Section III)
A.
Monitor tires of vehicle prior to leaving the
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site and note initial general background on RM-14 in vicinity of Emergency Operations Facility.
Bkg cpm NOTE:
Unless otherwise specified by the
. J Emergency Coordinator:
Green Team proceeds directly to inner
( green) down wind sample location 1
and takes air sample.
Blue Team proceeds to vicinity of outer (blue) sample -locatic,n and attempt to locate the approximate centerline l
of, plume prior to taking air sample.
B.
While enroute, team passenger holds probe of RM-14 inside car windou (shielded from wind) and notes the approximate location at which the above l
4 background doubles or commences to increase.
Location NOTE:
This is intended-to locate the approx-'
imate plume boundary. Do not stop to determine a precise location.
7 C.
Note additional readings enroute at easily identified landmarks.
(Should the RM-14 go off-the highest scale, switch to PIC-6.)
Location Reading (Circle one) 9 (RM-14)(PIC-6)
(RM-14) (PIC-6)
(RM-14) (PIC-6)
__ RM-14') (PIC-6)
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(RM-14) (PIC-6)
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. 0.P. 3510' Rrv. 8 Initial NOTE:
Step D below for " Blue" Team only. (Green team proceed f.o Step E.)
D.
In the vicinity of the outer (blue) sample loca-tion on map, seek out nearest roads crossing the l
direction of the plume and determine the location of the maximum reading as precisely as possible.
NOTE:
While crossing the plume, a rapid dose rate change is not anticipated. Look for a wide maximum plateau end do not spend more than 5 minutes in selecting a sampling location.
Location I
Reading (RM-14) (PIC-6)
E.
Contact Coordinator Base and advise him your team ing note) summnrize the results of Steps B & C.
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is on location and (in accordance with the follow-(Blue team also reports on findings in Step D.)
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NOTE:
Do NOT announce actual measurement units over radio; simply refer to them as " counts" (i.e., counts per minute), " Mikes" (i.e.,
MR/hr) or " Rogers" (i.e., R/hr).
NOTE:
While on station, keep Coordinator Base advised of any significant changes in radiation levels, wind direction, rain, 7
etc.
Section III - ON LOCATION MONITORING A.
Site Boundary (Yellow or Security) Teams - Determine downwind location at site boundary where maximum radiation levels are detected.
Off-Site (Green and Blue) Teams - Upon arrival at sampling location, insure that release cloud has arrived by observing stable elevated RM-14 or PIC-6 background, or by calculating arrival time based on wind speed.
B.
Using the PIC-6, take the following survey: (Green Team and Blue Team use RM-14 if dose rate is less than 1 mR/hr) 1.
Monitor the radiation level at waist height.
.. 0.P 3510 Rev. 8-I Initial-
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Waist level:
" Counts",
_" Mike" i
or
" Roger" 2.
Check the radiation level 2" above the j
ground.
Ground level:
" Counts",
" Mike" or
" Roger" s
NOTE:
All teams report these readings by radio to.
the EOF (or Emergency Director).
C.
Using the stopwatch, start' air sample by, connecting leads to car battery. Record tire here and on air sample enve-lope.
Time D.
Check air flow indication.
1.
Adjust to 10 LPM and note the flow on air-sample envelope.
E.
Maintain flow rate during the -one minute (or as otherwise directed) sample period, and end the sample by use of the stopwatch.
F.
After air sampler has operated for the sampling-period, disconnect from battery.
4 1
NOTE:
Yellow or Security Team - Return to the EOF, request personnel monitoring prior.to entry, obtain an RM-14; do an j'
instrument check (Step B.2), then, complete Steps G through N.
G.
Retreat.to nearest area outside the plume (background RM-14 readings), run air sampler-an additional period of i
time to approximately equal the sample duration and rate of flow. This step is to purge noble gases from the charcoal cartridge.
f H.
Check RM-14 background level.
l
Background
cpm I.
Remove chcrcoal cartridge wrap in parafilm, and j
place in probe holder.on RM-14.
(The sample should be centered in the circled area.) Place filter paper in properly labelled envelope.
J.
Place the probe directly over the sample.
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'b K.
Obtain count rate of sample after the needle is relatively stable.
i Gross count rate cpm I
. 0.P. 3510 R:v. 8 Initial
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L.
Correct for backgrc'n.1 in the following manner:
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Step K cpm minus Step H cpm =
net cpm 6
M.
Refer to Table I " NET cpm" column and locate net cpm value of Step L above and note the correspond-ing " Air Code" number.
" Air Code" number is N.
Report the " Air Code" number to Coordinator Base.
NOTE:
Use of "Walkie-Talkies" a.
To make initial call, say:
"Coor-dinator Base, this is (specify team color) Team.
Over."
b.
When Coordinator Base responds:
1 1)
Identify your team by color.
2)
Describe sample location.
3)
Results are " Air Code 4)
Request acknowledgement.
(T c.
Upon acknowledgement or completion
(_ '
of other message exchanges, end final transmission with:
"This is WRZ-941, Clear."
If a drill, state:
"This is a drill."
d.
The only known radio " dead area" is on Broadbrook Road midway between Guilford and Rte. 142.
If samples are taken in this area, it may be f
necessary to proceed to either end (i.e., Guilford or Rte. 142) to establish radio communications and report sample results.
e.
In the event radio communications cannot be established at other loca-tions, seek higher elevations then attempt to contact Coordinator Base or relay message through other teams who are in contact with the Coordi-nator.
NOTE:
Telephone - In the event of a radio break-down, proceed to nearest available phone and call (802) 257-7090, or 254-4418.
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- 0.Pi 3510 Rev.: 8 Initial'
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Check and log high range dosimeter reading.
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Team member #1 Team member #2 I
P.
Place sample cartridge in separate labelled envelope and deliver both samples to the
. Radiological Coordinator for further analysis and storage.
1 NOTE:
After each survey, the Off-Site Monitor-ing Teams should check their equipment and themselves for contamination using the RM-14.
If contamination is found, notify the Emergency Coordinator.
In any case, contact-Emergency Coordinator and request further instructions.. If a new location is assigned, complete Sections II and III on a blank copy of this procedure.
1 Final Conditions:
1.
Return radio to outer gatehouse.
)
Return Emergency Kit and equipment to the Emergency Operations 2.
Facility locker.
l 3.
Submit completed copy of this procedure to the Radiological' Assistant at the EOF.
4.
Turn in all dosimeters to the Radiological Assistant for evaluation.
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TABLE I-
.O.P. 3510 Ray.8:
j 1 MINUTE AIR' SAMPLE I-131. CARTRIDGE RESULTS' 1
" AIR 1
' NET-
' CODE" CPM-0
<40 1
40
'3:
.80 4
100-5
'125 6'
150 7
175 8
200 4
l 9.
225
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j
.10 250-11
-275
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12 300 13 325 j
'14 350 t
15
'375-1 16 400 l
17 425 l
18 450 i
19' 500 4
20 750
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i 21 1000 J
-22
'1250 23 1500 24 1750-l 25
-2000 I-Ls 26 2250 27 2500 4
28 2750 29 3000 i
30 3250 l
31 3500
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32 3750 l
33 4000 j
34 4250 35 4500 36
.5000 37 7500 38 10000 39 12500 40 15000 41 17500 42 20000 43 25000 44 30000 45 35000 46 40000 47 50000 NOTE:
AS SOON AS POSSIBLE, samples should each be reevaluated isotopically on available laboratory counting equipment to determine more accurate concentrations and projected doses.