ML20245G030
| ML20245G030 | |
| Person / Time | |
|---|---|
| Site: | Three Mile Island  |
| Issue date: | 06/22/1989 |
| From: | Murley T Office of Nuclear Reactor Regulation |
| To: | Hays B Sierra Club |
| Shared Package | |
| ML20245G036 | List: |
| References | |
| NUDOCS 8906280324 | |
| Download: ML20245G030 (67) | |
Text
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..... JUN 2 2 iW Ms. Barbara D. Hays, Gair Pennsylvania Chapter, Sierra Club 1421 Wightman Street
- Pittsburgh, Pennsylvania 15217
Dear Ms. Hays:
I have been asked to respond to your letter of May 23, 1989, to NRC Chairman Lando Zech concerning offsite radiation monitoring and the emergency warning system in the vicinity of the Three Mile Island Nuclear Station Unit 2 (TMI-2).
At a meeting on April 13, 1989, of the THI-2 Advisory Panel on the Decon-tamination of Three Mile Island Unit 2, Mr. M. Roche, the Director of TMI-2 for General Public Utilities Nuclear Corporation (GPUN), discussed continued operation of the real-time monitoring system around TMI-2. Mr. Roche stated that it was GPUH's intention to maintain and upgrade the system through the end of defueling, fuel shipping, processed water evaporation, and the early stages of monitored storage. Although there is no accurate schedule for the beginning of storage, it is the NRC staff's opinion that the existing real-time monitoring system would remain operational for at least the next several years. After that time, GPUN will be considering replacement of the present system with an improved, state-of-the-art monitoring system at a number of locations.
GPUN currently has an offsite monitoring program required by the THI-2 license that, in addition to the real-time monitors at 16 locations, collects quarterly
-thermoluminescent dosimeter (TLD) measurements from 104 locations up to 21 miles from the plant. GPUN also has various aquatic, atmospheric, and terrestrial sampling programs that take samples at various locations and frequencies. At the present time the NRC staff is unaware of any changes being considered by GPUN to any of these programs.
An offsite monitoring program is required by both the TMI-1 and TMI-2 licenses.
Over the past several years GPUN has changed the offsite radiation monitoring programs at both facilities so that in the near future a single site program can be instituted. At the present time although GPUN has separate programs, one for Unit 1 and one for Unit 2, they are essentially the same.
GPUN has proposed to place TMI-2 into long-term storage for an indefinite period. To accomplish this objective, GPUN needs an amendment to its license.
On August 16, 1988, GPUN proposed changing the TMI-2 license to allow for the post-defueling monitored storage of the facility. Part of that proposal includes removing the requirement for the continuation of the TMI-2 offsite radiation monitoring program from the THI-2 license as the requirements for continuing the offsite radiation monitoring for both units will be included e
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Ms. Barbara D. ' Hays -2 E
in the TMI site program. The NRC staff is currently reviewing GPUN's proposal-for'long-term storage of. the facility and will, as a part of the staff review, examine.the offsite radiation monitoring program. The staff expects to complete its'avaluation of GPUN's proposal in early 1990.
Your letter of May 23, 1989, addresses a second concern, that of the adequacy of the emergency notification system, and in specific warning sirens in use at all of Pennsylvania's nuclear facilities. You cite a recent incident in which a warning siren malfunctioned near an operating nuclear power station in Pennsylvania.
Malfunctioning of warning sirens occasionally occurs. Whenever there is a malfunction, representatives from the utility and county authorities investi-gate the source of the malfunction and take corrective actions to minimize a recurrence. The counties are responsible for the operation of'the siren systems and conduct periodic tests. The warning sirens are just a part of the alert and notification systems'in place at all nuclear sites and are also used by the county authorities to alert the public.about non-nuclear events such as tornadoes or chemical spills. Other portions of this system include radio and
'TV broadcasts, route alertirg, and the use of tone radios. Utilities in the Commonwealth of Pennsylvania operating nuclear power fecilities are required to maintain an adequate emergency notification system around their nuclear plants.
The adequacy of this program is evaluated during the licensing of the facilities and periodically during site emergency preparedness exercises. During these-r exercises, these systems are tested and any malfunctions corrected, You also requested a status report on monitoring in the TMI area. GPUN, the NRC, tho'U.S. Environmental Protection Agency, and the Commonwealth of Pennsylvania conduct radiation monitoring in the vicinity of TMI. Enclosure 1
'provides a description of GPUN's. program. Enclosure 2, NUREG-0837, Vol. 8, No. 4, presents the results of the NRC Direct Radiation Monitoring Network ~for the fourth ouarter of 1988. This report covers the vicinity of 75 sites throughout the United States, including the TMI site. Enclosure 3 provides sumery information of the Commonwealth of Pennsylvania program and the results of its dosimetry program in the environs of the TMI site for 1987. Enclosure 4 provides information on the EPA-funded monitoring program at the Milton S. Hershey idedical Center. The NRC staff is unaware of any proposals for modifying the monitoring programs other than GPUN's plan to consolidate the monitoring for the TMI site.
The TMI-2 Advisory Panel for the Decontamination of TMI-2 has, with repre-sentatives from the various organizations conducting the monitoring, reviewed the offsite radiation monitoring programs and has made recommendations that were adopted by the participants. .The Advisory Panel has recently indicated that a. review of the offsite radiation monitoring program should be conducted before long-term storage of the facility and will place this issue on the -
agenda of a future meeting. The TMI-2 Advisory Panel will likely take an active role in advising the participants to assure a comprehensive and balanced program, i
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, .Ms. Barbara D. Hays 4 The NRC staff is aware of the concern expressed Ny local citizens in the Advisory Panel Meeting of April 13. 1989, on the issue of offsite radiation
' monitoring at TMI-2., The staff will work closely with the TMI-2 Advisory. Panel and give the matter careful consideration during the staff's review of the licensee's proposal to place the facility in long-term storage. I hope that this letter responds to your concerns.
Sincerely, Originni signed bE rnomas E. nurlet/
Thomas E. Murley, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission
Enclosures:
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[LETTERTOMS. HAYS]
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Ms. Barbara D. Hays, Chair Pennsylvania Chapter, Sierra Club .
N 1421 Wightman Street ,
Pittsburgh, Pennsylvania 15217
Dear Ms. Hays:
pp h I have been asked to respond to your May ,1989Alette oNRCChairmanllando Zech concerning offsite radiation monitoring and dhe emergency warning system , r in the vicinity of the Three Mile Island Nuclear Generating" Station Unit 2 *
(TMI-2).
J,7 At n April 13, 19894 meeting'of the TMI-2 Advisory Panel on the Decontamination of Three Mile Island Unit 2, Mr. M. Roche, the Director of TMI-2 for General Public Utilities Nuclear Corporation (GPUN), discussed continued operation of the real-time monitoring system around TMI-2. Mr. Roche stated that it was GPUN's inten'. ion to maintain and upgrade the system through the end of defueling, fuel shipping, processed water evaporation 7and the early stages of monitorcd storage. Although there is no accurate schedule for the beginning of N;'-
a storage, pit is the NRC staff's opinion that the existing real-time monitoring system would remain operational for at least the next couple of years. After that time, GPUN will be considering replacement of the present system with an A improved g state-of-the art monitoring system at a number of locations.
GPUN currently has an offsite monitoring program required by the TMI-2 license that, in addition to the real-time monitors at 16 locations, collects quarterly thermoluminescent dosimeter (TLD) measurements from 104 loc tions up to 21 miles from the plant. GPUN also has various aquatic, atmospheric, and
?
13r'tWrestrial'saispling programi>which'take samples at various locations and
~
h frequencies. At the present time the NRC staff is unaware of any changes being considered by GPUN to any of these programs.
An offsite monitoring program is required by both the TMI-1 and TMI-2 licenses.
- Over the past several years 4GPUN has changed the offsite radiation monitoring programs at both facilitief so that in the near future a single site program can be instituted. At the present time although GPUN has separate programs, one for Unit 1 and one for Unit 2, they are essentially the same.
GPUN has proposed to place TMI-2 into longgterm storage for an ndefinite % #.
x periodcof-time 4To accomplish thiqGP3_neeas an amendment to theit'l'icense,__ {dp
~ ~
hanging the TM P2~l~1 cense to allow for the a
-F y EPUFproposedWUfust~16~T98@'of postxdefueling monitoFdd storagd- the Part facility of that proposal includes removing the requirement for the continuation of the TMI-2 offsite radiation monitoring program from the TMI-2 license 76Tice~#the' requireinents~~
for continuing the offsite radiation monitoring for both units will be included ym
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} Ms. Barbara D. Hays I i
in the TMI site program. The NRC staff is cuirently reviewing GPUN's proposal
- >' for longrterm storage of the facility and will, as a part of the staff review,
! examine the offsite radiation monitoring program. The staff expects to complete its evaluation of GPUN's proposal in early 1990. i 1 .y > i
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@)/'"f\YourjMay2,1989;lette[addressesasecondconc,ern,tha
_the_ emergency notification syste%-specifical-ly warning sirens in use at all A of Pennsylvanians ~6ddlear faciHYes. You cite a recent incident in which a warning siren malfunctioned near an operating nuclear power station in Pennsylvania.
Malfunctioning of warning sirens occasionally occur. V Whenever there is a Y f
- / malfunctiongrepresentatives from the utility and county authorities investigate the source of the malfunction and take corrective actions to minimize a l y , p e reoccurrence? The counties are responsible for the operation of the siren l/ systems and conduct periodic tests. The warning sirens are just a part of the alert and notification systems in place at all nuclear sites and are also used by the county authorities to alert the public about non-nuclear events lee"- rh tornadoes or chemical spills. Other portions of this system include radio and M TV broadcasts, route alerting 4and the use of tone radios. Utilities in the Commonwealth of Pennsylvania operating nuclear power facilities are required to maintain an adequate emergency notification system around their nuclear plants.
The adequacy of this program is evaluated during the licensing of the facilities and periodically during site emergency preparedness exercises.
< During these exercises these systems are tested and any malfunctions corrected.
You also requested a status report on monitoring in the TMI area. GPUN, the !
y NRC, the U S. Environmental Protection Agencygand the Commonwealth of x Pennsylvan W conduct radiation monitoring in the vicinity of TMI. Enclosure / r E provides a description of GPUN's program. Enclosure 2 NUREG-0837, Vol. 8
'x No. 4fpresents the results of the NRC Direct Radiation Monitoring Network for -
the fourth quarter of 1988.cICcorers the . vicinity of 75_ sites throughout_thed;
- United Statesfi ncluding the TMI site. Enclosure 3 provides summary information of the Commonwealth of Pennsylvania program and the results of its dosimetry f{ .
program in the environs of the TMI site for 1987. Enclosure 4 provides i r information on the EPA-funded monitoring program at the Milton S. Hershey !
Medical Center. The NNC staff is unaware of any proposals for modifying the j monitoring programs other than GPUN's plan to consolidate the monitoring for i q the TMI site. l ti k ' The TMI-2 Advisory Panel for the Decontamination of TMI-2 has, with repre-
% sentatives from the various organizations conducting the monitoring, reviewed the offsite radiation monitoring programs and has made recommendations that
}fd were Incorporated,by the participants. The Advisory Panel has recently indicated that a review of the offsite radiation monitoring program should be pfg conddctVd; prior-to'long; term storage of the facility and will place this issue e l on the agenda of a future meeting. The TMI-2 Advisory Panel will likely take an active role in advising the participants to assure a comprehensive and balanced program.
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The NRC staff .is aware of the concern e2 pressed _by~ local citizensjf f'. LApril-ISd?8f Advisory Panel Meetingfon the issue of'6ffsitif7adiation monitoring at TMI-2. The staff will work closely with the TMI-2 Advisory Panel
. and give the matter careful consideration during the staff's review of GPUN's proposal' to place the facility in longperm storage. I hope this' responds to
.your concerns.- j-( p jygg .
Sincerely, Thomas E. Murley, Director Office of Nuclear Reactor Regulation y
Enclosures:
1-4 as~ stated-
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. Ms. Barbara D. Hays in the TMI site program. The NRC staff is currently reviewing GPUN's proposal for long-term storage of the facility and will, as a part of the staff review, examine the offsite radiation monitoring program. The staff expects to complete its evaluation of GPUN's proposal in early 1990.
Your letter of May 23, 1989, addresses a second concern, that of the adequacy of the emergency notification system, and in specific, warning sirens in use at all of Pennsylvania's nuclear facilities. You cite a recent incident in which
.. a warning siren malfunctioned near an operating nuclear power station in
/ Pennsylvania.
Malfunctioning of warning sirens occasionally occurs. Whenever there 1s a malfunction, representatives from the utility and county authorities investigate the source of the malfunction and take corrective actions to minimize a recurrence. The counties are responsible for the operation of the siren systems and conduct periodic tests. The warning sirens are just a part of the alert and notification systems in place at all nuclear sites and are also used by the county authorities to alert the public about non-nuclear events such as tornadoes or chemical spills. Other portions of this system include radio and TV broadcasts, route alerting, and the use of tone radios.
Utilities in the Commonwealth of Pennsylvania operating nuclear power facilities are required to maintain an adequate emergency notification system around their nuclear plan". The adequacy of this program is evaluated during the licensing of the fac.iities and periodically during site emergency preparedness exercises. During thesa exercises, these systems are tested and any malfunctions corrected.
You also requested a status report on monitoring in the TMI area. GPUN, the NRC, the U.S. Environmental Protection Agency, and the Commonwealth of Pennsylvania conduct radiation monitoring in the vicinity of TMI. Enclosure 1 provides a description of GPUN's program. Enclosure 2, NUREG-0837, Vol. 8, No. 4, presents the results of the NRC Direct Radiation Monitoring Network for the fourth quarter of 1988. This report covers the vicinity of 75 sites throughout the United States, including the TMI site. Enclosure 3 provides summary information of the Commonwealth of Pennsylvania program and the results of its dosimetry program in the envirnns of the TMI site for 1987. Enclosure 4 provides information on the EPA-funded monitoring program at the Milton S.
Hershey Medical Center. The NRC staff is unaware of any proposals for modifying the monitoring programs other than GPUN's plan to consolidate the monitoring for the TMI site.
The TMI-2 Advisory Panel for the Decontamination of TMI-2 has, with repre-sentatives from the various organizations conducting the monitoring, reviewed u- the offsite radiation monitoring programs and has made reconnendations that were iR crpereted by the participants. The Advisory Panel has recently indicated that a review of the offsite radiation monitoring program should be conducted before long-term storage of the facility and will place this issue on the agenda of a future meeting. The TMI-2 Advisory Panel will likely take an active role in advising the participants to assure a comprehensive and balanced program.
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- - Measure in-plant radiation levels
.: Measure liquid and gaseous releases from the plant.
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. Measure environmental radiation at 104 locations up to 21 miles from TMI
- Read TLD's quarterly, or more frequently, if necessary L
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SA V P _E CO __ECTIO \l I
. Three types of samples: -
Aquatic - water, fish, river sediment Atmospheric - air particules, precipitation Terrestrial - milk, soll, meat, vegetables e in 1987,1400 samples were taken
. 3,600 analyses performed on the 1900 samples
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e GPU Nuclear is committed to maintaining the current system through the completion of TMI-2 defueling and fuel shipping.
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future of the system and taking those concerns fully into consideration as the system is evaluated.
- The evaluation includes possible modification of the system.
1 L
- The evaluation of the entire environmental l monitoring program is expected to be completed and presented to the panel this summer. ;
l l
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Enclosure 3
, ANNUAL REPORT OF ENVIRONMENTAL RADIATION IN PENNSYLVANIA 1987 Commonwealth of Pennsylvania Department of Environmental Resources Bureau of Radiation Protection Division of Environmental Radiation August 1988 Prepared By ,
Margaret A. Reilly Chief Division of Environmental Radiation and Barbara S. Conrad Radiation Health Physicist Division of Environmental Radiation h,
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, Dauphin County, Clean-up operations at TMI Unit 2roughout continued th
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THREE MILE ISLAND THERM 0 LUMINESCENCE DDSIMETRY l \
l The BRP thermoluminescence dosimetry (TLD) program in the environs of Three Mile Island Nuclear Station includes 30 dosimeter stations exchanged quarterly. The locations range in distance from !
0.5 to 16.4 miles from '.he site.
Contractor dosimetets are co-located with BRP TLDs at four locations to provide a check on BRP data.
All dosimeters are changed by BRP staff.
The annual average dose for the 30 BRP TLD locations was 61.5 1 0.5 millirad in 1987, compared to 68.0 1 0.4 in 1986. The annual average for the four BRP TLDs co-located with contractor TLDs was 47.1 1 1.1 millirad. The corresponding contractor value was 54.5 1 >
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These data are generally consistent with Oakley's* calculated value of the annual exposure from natural background in the i l Harrisburg area of 88 millirad.
l l
- Donald T. Oakley, Natural Radiation Exposure'in the United States (ORP/SID) 72-1, U.S. Environmental Protection Agency. Office of RadiationPrograms(Washington,D.C.: Government Printing Office, 1972), p. 56.
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was observed to be relatively flat throughout Iodine-131 was detected. No airborne the year.T are similar to analogous data from other nuclear power stations Pennsylvania and the control station at Harrisburg.
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THREE MILE ISLAND WATER SAMPLING Three Mile Island Nuclear Station uses the Susquehanna River for station water and for discharge of liquid effluents. During 1987, only effluents from Unit I were allowed to be discharged. Liquid radwa'ste generated by the Unit 2 accident was retained on-site.
During the reporting period, the routine surface water sampling program continued at one upstream and one downstream location. Both the upstream location at Steelton Water Treatment Plant and the downstream location at York Haven Hydroelectric Plant are continuously composited and collected monthly.
These routine samples are analyzed for gross beta activity, for tritium and for gamma emitters.
All data compare favorably with the U.S. EPA National Interim Primary Drinking _ Water Regulations. Those criteria are 15 picoeuries per liter gross alpha, 50 picoeuries per liter gross beta and 20,000 picocuries per liter tritium.
Supplementary water samples continued to be collected in 1987 as part of the TMI Long Term Surveillance program. Composites of discharges from the liquid radwaste system (001), mixed with other station water, were sampled daily. The storm water basin onsite (005) was sampled periodically. Water from the TMI intake (006) was sampled daily for a weekly composite. Raw water from the City of Lancaster water intake downstream on the Susquehanna was sampled daily for a weekly composite.
These supplementary samples were gamma scanned by the U.S. EPA laboratory at Middletown. Gross alpha and beta, and tritium analyses were done by the DER Radiation Measurements Laboratory.
Tritium was detected routinely in discharge water samples (001) and periodically in the storm water basin (005). A trace of tritium was detected once at the downstream Lancaster intake. Gross alpha and beta results are elevated.in some Lancaster water samples due to a high content of suspended solids.
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TMI SUPPLEMENTARY WATER DATA STATION DISCHARGE 001 Collection Date Alpha Beta Tritium 1/01/87 <3 <3 <280 1/02/87 <3 <3 1/03/87 <280
<3 3 +/- 2 <280 1/04/87 <3 <4 <280 1/05/87 <3 <4 1/06/87 <270
<2 5 +/- 2 1/07/87 1930 +/- 180
<2 <3 1/08/87 1330 +/- 170
<2 <3 1/09/87 2300 +/- 180
<2 <3 <280 1/10/87 <2 <3 1/11/87 1620 +/- 180
<2 <3 1/12/87 <3 2050 +/- 180
<3 1980 +/- 180 1/13/87 <3 <3 1/14/87 <3 1580 +/- 170
<3 1670 +/- 180 1/15/87 <3 4 +/- 2 1/16/87 <280
<3 <4 <280 1/17/87 <3 4 +/- 2 1/1S/87 <270 4 +/- 2 6 +/- 2 <280 1/19/87 <3 <3 1/20/67 <270
<3 <3 <270 1/21/87 <3 4 +/- 2 1/22/87 <270
<3 <3 <270 1/23/87 <3 <3 1/24/87 <280 1/25/87
<2 4 +/- 2 <280
<2 <3 1/26/87 <280
<2 <3 1/27/87 <280
<2 <3 1/28/87 <280
<2 3 +/- 2 1/29/87 <280
<2 <3 1/30/87 , <280
<3 <3 1/31/87 <3 1080 +/- 170
<3 <270 2/01/87 <3 <3 2/02/87 <270
<3 <3 2/03/87 <3 340 +/- 160
<3 2/04/87 1010 +/- 170 '
2/05/87
<3 5 +/- 2 880 +/- 170
<2 3 +/- 1 2/06/87 <2 390 +/- 160
<3 1300 +/- 170 2/07/87 <2 2 +/- 1 L
2/08/87 <2 1990 +/- 180
<3 1140 +/- 170 2/09/87 <2 <3 2/10/87 <270
<2 <3 2/11/87 <2 1030 +/- 170 3 +/- 1 l 2/12/87 ,+/-
<270
<2 2/13/87 <270 l <2 5 +/- 1 <270
- 2/14/87 <2 4 +/- 1 2/15/87 <270
<2 4 +/- 1 <270 151 r
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~ ' Q~Q, TMI SUPPLEMENTARY WATER DATA STATION DISCHARGE 001 Collection Date . Alpha Beta Tritium 2/16/87 <2 3 +/- 1 <270 2/17/87 <2 4 +/- 1 <270 2/18/87 <2 3 +/- 1 <270 2/19/87 <2 5 +/- 1 <270 2/20/87 <2 2 +/- 1 <280 2/21/87 <2 3 +/- 1 <280 2/22/87 <2 3 +/- 1 <280 2/23/87 <2 5 +/- 1 <270 2/24/87 <2 3 +/- 2 <270 2/25/87 <2 4 +/- 1 <270 2/26/87 <2 4 +/- 1 <270 2/27/87 <2 6 +/- 1 <270-
-2/28/87 <2 4 +/- 1 <270 3/01/87 <2 5 +/- 1 <270 3/02/87 <2 5 +/- 1 3/03/87 850 +/- 170
<2 3 +/- 1 1070 +/- 170 3/04/87 <2 3 +/- 1 3/05/87 1150 +/- 170
<2 3 +/- 1 740 +/- 170 3/06/87 <2 <3 3/07/87 640 +/- 170
<2 <3 3/08/87 1070 +/- 170
<2 2 +/- 1 660 +~/- 170 3/09/87 <2 2 +/- 1 3/10/87 620 +/- 170
<2 4 +/- 1 <280 3/11/87 <2 3 +/- 1 3/12/87 <270
<2 4 +/- 1 <270 3/13/87 <2 3 +/- 1 <270 3/14/87 <2 4 +/- 1 <270 3/15/87 <2 3 +/- 1 3/16/87 <270
<2 3 +/- 1 <270 3/17/87
<2 <3 3/18/87 <270
<2 3 +/- 1 <270 3/19/87 <2 <3 <270 3/20/87 <2 <3 3/21/87 <270
<2 <3 3/22/87 <270
<2 <3 3/23/87 <270
<2 <3 3/24/87 <270
<2 3 +/- 2 510 +/- 160 3/25/87 <2 5 +/- 2 3/26/87 1010 +/- 170
<2 5 +/- 2 430 +/- 160 3/27/87 <2 5 +/- 2 3/28/87 1250 +/- 170
<2 5 +/- 2 470 +/- 160 3/29/87 <2 <2 3/30/87 1970 +/- 180
<2 3 +/- 1 9460 +/- 240 3/31/87 <2 3 +/- 1 4/01/87 <?
7300 +/- 220 1 4/07/81 4 +/- 1 5440 +/- 210
<2 2 +/- 1 <280 ,
152
_ _ ~ __ -__ - l k
..- - TMI SUPPLEMENTARY WATER DAIA (19 STATION DISCHARGE 001
" Collection Date Alpha Beta Iritium 4/03/87 <2 4 +/- 1 4/04/87 <270
<2 3 +/- 1 4/05/87 <280
<2 3 +/- 1 4/06/87 <280
<2 3 +/- 1 4/07/87 <2 900 +/- 170 4/08/87 4 +/- 1 <270
<2 5 +/- 1 4/09/87 '
<270
<2- 4 +/- 1 1/10/87 <280
<2 5 +/- 2 4/11/87 <280
~2 3 +/- 2 <270 4/12/87 1 +/- 1 4/13/87 3 +/- 2 <270
<2 2 +/- 1 4/14/87 <270
<2 4 +/- 1 4/15/87 <280 1 +/- 1 3 +/- 1 <280 4/16/87 1 +/- 1 4/17/87 3 +/- 1 1280 +/- 170
<2 4 +/- 1 4/18/87 <270
<2 2 +/- 1 4/19/87 1 +/- 1 2630 +/- 190 4/20/87 4 +/- 1 <270
<2 4 +/- 1 4/21/87 <280
<2 3 +/- 2 i 4/22/87 <2 1940 +/- 180
<3 <280 4/23/87 <2 <3 4/24/87 <280
<2 3 +/- 2 4/25/87 <2 3150 +/- 200
<3 2460 +/- 190 4/26/87 <2 4/27/87 4 +/- 2 2350 +/- 190
<2 3 +/- 2 4/28/87 <1 960 +/- 180 4/29/87 4 +/- 2 <270 2 +/- 1 4 +/- 2 <270 4/30/87 3 +/- 1 7 +/- 2 1 5/01/87 <270 1 +/- 1 5 +/- 1 <270 5/02/87 <2 3 +/- 1 5/03/87 <270
<2 5 +/- 1 5/04 /87 <2
<270 5/05/87 3 +/- 1 <270
<2 <3 5/06/87 <2
<280 5/07/87 3 +/- 1 <280
<2 <3 5/08/87 <3
<280 5/09/87 6 +/- 2 <280
<2 <3 5/10/87 <3
<280
<3 <280 5/11/87 <3 3 +/- 1 5/12/87 <3
<280 5/13/87 3 +/- 1 8120 +/- 240
<3 5 +/- 2 5/14/87 <3 5130 +/- 210 5/15/87- 4 +/- 2 2250 +/- 180
<3 5 +/- 2 5/16/87 <3 <280 5/17/87 4 +/- 2 <280
<4 5 +/- 2 3' 5/18/87 <3
<280 4 +/- 2 33600 +/- 390 153 "
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g TMI SUPPLEMENTARY WATER DATA STATION DISCHARGE 001 Collection Date Alpha Beta Tritium i
5/19/87 <3 3 +/- 2 22330 +/- 330 5/20/87 <3 4 +/- 2 1180 +/- 170 5/21/87 <3 4 +/- 2 <270 5/22/87 <2 4 +/- 2 <280 5/23/87 <2 6 +/- 2 <280 5/24/87 <3 4 +/- 2 <280 5/25/87 <2 6 +/- 2 520 +/- 170 5/26/87 <2 4 +/- 2 1270 +/- 180 5/27/87 <2 7 +/- 2 <270 5/28/87 <3 4 +/- 2 <280 5/29/87 <3 7 +/- 2 510 +/- 170 5/30/87 <3 5 +/- 2 <280 5/31/87 <3 6 +/- 2 8950 +/- 240 6/01/87 <4 5 +/- 2 1000 +/- 170 6/02/87 <3 5 +/- 2 9150 +/- 250 6/03/87 <3 6 +/- 2 4690 +/- 210 6/04/87 <3 4 +/- 2 14890 +/- 290 6/05/87 <4 7 +/- 2 26340 +/- 350 6/06/87 <3 5 +/- 2 <270 6/07/87 <3 5 +/- 2 <280 6/08/87 <3 8 +/- 2 1220 +/- 170 6/09/87 <4 6 +/- 3 380 +/- 160 5/10/87 <4 8 +/- 2 <290 6/11/87 <4 6 +/- 2 <290 6/12/87 <3 7 +/- 2 <290 6/13/87 <3 4 +/- 2 <290 6/14/87 <3 3 +/- 2 <290 6/15/G7 <3 3 +/- 2 <270 6/16/87 <2 6 +/- 2 810 +/- 170 6/17/87 <2 8 +/- 2 17860 +/- 300 6/18/87 3 +/- 2 13 +/- 3 <270 6/19/87 <3 10 +/- 2 <280 6/20/87 <3 4 +/- 2 9270 +/- 240 6/21/87 <3 5 +/- 2 7960 +/- 230 l 6/22/87 <3 4 +/- 2 <280 i
6/23/87 <3 4 +/- 2 9170 +/- 240 6/23/87 <3 8 +/- 2 <280 6/24/87 <3 4 +/- 2 <280 6/25/87 <3 9 +/- 2 <280 6/26/87 <2 7 +/- 2 <280 6/27/87 <2 8 +/- 2 <280 6/28/87 <3 7 +/- 2 3660 +/- 190 6/29/87 <2 8 +/- 2 <280 6/30/87 <3 5 +/- 2 16180 +/- 290 1
154
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TMI SUPPLLMEN1Allf WAlf.It DATA S1ATION DISCllAltGF-001
~
Collection Date Alpha Beta Tritium 7/01/87 <3 5 +/- 2 7/02/87 <2 5580 +/- 210 7/03/87 6 +/- 2 840 +/- 160
<2 3 +/- 1 7/04/87 <2 20170 +/- 310 7/05/87 5 +/- 1 <280
<2 4 +/- 1 ^
7/06/87 <280
<2 5 +/- 1 J/07/87 <280
<2 4 +/- 1 7/08/87 <3 16350 +/- 290 7/09/87 7 +/- 2 <270
<3 7 +/- 2 7/10/87 <270 1
<3 6 +/- 2 7/11/87 <270 7/12/87
<3 5 +/- 2 <270
<2 6 +/- 2 7/13/87 <270
<2 5 +/- 2 7/14/87 <290
<2 6 +/- 2
'/15/87 <290 1.16/87
<2 3 +/- 2 <280
<2 5 +/- 2 7h7/87 <3 7180 +/- 230 7/18/87 6 +/- 2 4700 +/- 210
<3 5 +/- 2 7/19/87 <3 4120 +/- 210 7/20/87 6 +/- 3 <280
<3 6 +/ 3.
7/21/87 <3
<280 7/22/87 9 +/- 2 <290
<3 <4 7/23/87 <3 <290 7/24/87 6 +/- 3 <260
<3 5 +/- 3 7/25/87 <3
<270 7/26/87 4 +/- 3 <270
<3 6 +/- 3 7/27/87- <3
<270 7/28/87 8 +/- 2 <270
<3 10 +/- 2 7/29/87 <270
<3 6 +/- 2 7/30/87 <270
<3 8 +/- 2 7/31/87 <270 3 +/- 2 7 +/- 2 <270 8/01/87 2 +/- 2 8/02/87 9 +/- 2 1120 +/- 180
<3 11 +/- 2 8/03/87 <3 370 +/- 170 8/06/87 10 +/- 2 2820 ,/- 200
<6 19 +/- 5 8/07/87 <3
<300 0/08/87 7 +/- 2 <270 3 +/- 2 9 +/- 2 <310 8/09/87 3 +/- 2 8/10/87 8 +/- 3 <310
<3 5 +/- 2 8/11/87 <4 <280
<5 *
<280 8/12/87 <4 6 +/- 3 8/13/87 <4 <280 8/14/87 9 +/- 3 <280
<3 5 +/- 3 8/15/87 <3
<280 8/16/87 7 +/- 3 <280
<4 5 +/- 2 8/17/87 <280
<3 9 +/- 3 <280 155
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TMI SUPPLEMENTARY WATER DATA
, STATION DISCHARGE 001 Collection Date Alpha Beta Tritium 8/18/87 <3 7 +/- 3 <280 8/19/87 <3 5 +/- 3 <310 8/20/87 <3 7 +/- 3 <270 8/21/87 <3 9 +/- 3 <280 8/23/87 <3 9 +/- 3 <280 8/24/87 <3 6 +/- 3 4430 +/- 210 8/25/87 <3 8 +/- 3 <270 8/26/87 <3 6 +/- 3 13970 +/- 280' 8/27/87 <4 <7 <270 8/28/87 <3 6 +/- 3 420 +/- 170 8/29/87 <3 5 +/- 3 <280 8/30/87 <3 7 +/- 3 <280 8/31/87 <3 <6 <280 9/01/87 <5 <5 <310 9/02/87 <5 6 +/- 3 <270 9/03/87 <5 6 +/- 3 <270 9/04/87 <5 8 +/- 3 <280 9/05/87 <4 <5 700 +/- 190 9/06/87 <3 5 +/- 3 7960 +/- 250 9/07/87 <3 6 +/- 2 34280 +/- 410 !
9/08/87 <4 7 +/- 3 54720 +/- 500 9/09/87 <4 7 +/- 3 9360 +/- 270 !
9/10/87 <3 7 +/- 2 <320 l 9/11/87 <3 7 +/- 2 <270 l
9/12/87 <3 5 +/- 2 <270 9/13/87 <3 6 +/- 2 <270 9/14/87 <2 5 +/- 1 <270 9/15/87 <2 8 +/- 2 940 +/- 200 9/16/87 <2 7 +/- 1 .4090 +/- 230 9/17/87 <2 5 +/- 1 <280 9/18/87 2 +/- 1 4 +/- 1 <280 9/19/87 <2 6 +/- 1 <280 9/20/87 <2 7 +/- 1 <280 9/21/87 <2 4 +/- 1 4950 +/- 220 9/22/87 <2 6 +/- 2 3120 +/- 220 9/23/87 <2 6 +/- 1 670 +/- 190 9/24/87 <2 A +/- 1 204r +/- 200 9/25/87 <2 3 +/- 1 106s +/- 190 9/26/87 <2 4 +/- 1 2820 +/- 210 9/27/87 <2 5 +/- 2 2920 +/- 210 9/28/87 <2 5 +/- 2 8050 +/- 260 9/29/87 <2 4 +/- 2 <260 9/30/87 <2 4 +/- 2 8430 +/- 260 10/01/87 <2 4 +/- 2 <260 10/07/87 <2 4 +/- 2 23400 +/- 360 10/03/87 <2 5 +/- 2 41480 +/- 460 156
E Y TMI SUPPLEMENTARY WATER DATA STATION DISCHARGE 001 W
Collection r Date Alpha Beta Tritium 10/04/87 <2 5 +/- 2 64240 +/- 530 10/05/87 2 +/- 2 9 +/- 2 52910 +/- 480 10/06/87 <4 <4 <290 10/07/87 <4 6 +/- 2 440 +/- 160 10/08/87 <3 6 +/- 2 10/09/87 410 +/- 170
<3 4 +/- 2 440 +/- 170 10/10/87 <3 7 +/- 2 <300 10/11/87 <3 6 +/- 2 <300 10/12/87 <3 6 +/- 2 <280 10/13/87 <4 6 +/- 3 <290 10/14/87 <4 <5 10/15/87 <4 4170 +/- 210
<5 4200 +/- 210 10/16/87 <4 <5 10/17/87 12170 +/-'280
<3 5 +/- 3 4890 +/- 220 10/18/87 <4 <5 10/19/87 3000.+/- 200
<4 5 +/- 3 <310 10/20/87 <4 8 +/- 2 <320 10/21/87 <4 6 +/- 2 10/22/87 <4 580 +/- 180 7 +/- 2 550 +/- 180 10/23/87 <4 6 +/- 2 10/24/87 290 +/- 180
<4 6 +/- 2 <300 10/25/87 <4 10 +/- 2 <300 10/26/87 <4 4 +/- 2 .
<300 10/27/87 <3 6 +/- 2 10/28/87 640 +/- 180
<3 4 +/- 2 <300 10/29/87 <3 7 +/- 3 <300 10/30/87 <3 6 +/- 2 10/31/87 <3 470 +/- 170 6 +/- 2 3950 +/- 210 11/01/87 <3 6 +/- 2 11/02/87 <300
<2 3 +/- 2 6200 +/- 230 11/03/87 <3 8 +/- 2 11/04/87 9910 +/- 250
<3 7 +/- 2 7350 +/- 230 11/05/87 <3 6 +/- 2 11/06/87 <290
<3 7 +/- 2 350 +/- 170 11/07/87 <3 5 +/- 2 11/08/87 360 +/- 170
<4 5 +/- 2 280 +/- 170 11/09/87- <4 4 +/- 2 11/10/87 <4' 400 +/- 170 5 +/- 2 <290 11/11/87 <4 4 +/- 2 11/12/87 <290
<4 5 +/- 2 ~
<290 11/13/87 <3 <4 310 +/- 170 11/14/8? <2 6 +/- 2 370 +/- 170 11/15/Se <4 4 +/- 2 11/16/87 300 +/- 170
<3 5 +/- 2 5640 +/- 220 11/17/87 2 +/- 1 6 +/- 2 11/18/87 <2 6730 +/- 230 4 +/- 2 4250 +/- 210 j 157 I i
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' TMI SUPPLEMENTARY WATER DATA STATION DISCHARGE 001 Collection Date Alpha Beta Tritium 11/19/87 <2 <3 11/20/87 <280 11/21/87
<2 4 +/- 2 290 +/- 170
<4 12 +/- 3 <290 11/22/87 1 +/- 1. 6 +/- 2 <290 11/23/87 2 +/- 1 7 +/- 2 <290 11/24/87 <3 4 +/- 2 11/25/87 4160 +/- 220
<2 2 +/- 1 44280 +/- 440 11/26/87 <2 5 +/- 1 11/27/87- 41120 +/- 430
<2 4 +/- 1 90850 +/- 610 11/28/87' <2 3 +/- 1 11/29/87 22800 +/- 340
<2 4 +/- 1 9090 +/- 250 11/30/87 <2 4 +/- 1 1 12/01/87 11790 +/ 240
<2 5 +/- 1 3070 +/- 180 12/02/87 <2 3 +/- 1 12/03/87 560 +/- 150
<2 3 +/- 1 <280
.12/04/87 <2 4 +/- 1 <300 12/05/87 <2 <3 <290 12/06/87 <2 <3 <280 12/07/87 <2 3 +/- 1 <280 12/08/87 2 +/- 1 4 +/- 1 <280 12/09/87 <2 4 +/- 1 <280 12/10/87 <2 4 +/- 1 <280 12/11/87 1 +/- 1 3 +/- 1 12/12/87 430 +/- 150
<2 4 +/- 1 2730 +/- 170 12/13/87 <2 4 +/- 1 12/14/87' 5010 +/- 190
<2 3 +/- 1 11940 +/- 240 12/15/87 <2 4 +/- 1 12/16/87 2800 +/- 170
<2 4 +/- 1 <290 12/17/87 <2 3 +/- 1 <280 12/18/87 <2 4 +/- 1 450 +/- 150 12/19/87 <2 4 +/- 1 12/20/87 570 +/- 150
<2 5 +/- 1 <280 12/21/87 <2 7 +/- 2 12/22/87 540 +/- 150
<2 <3 12/23/87 630 +/- 150
<2 4 +/- 2 <250 l 12/24/87 <2 2 +/- 1 <250 12/25/87 <2 <3 <250 12/26/87 <2 3 +/- 1 12/27/87 4820 +/- 190
<2 3 +/- 1 8390 +/- 220 12/28/B7 <2 4 +/- 1 12/29/87 1130 +/- 160
<2 2 +/- 1 7540 +/- 210 12/30/87 <2 <3 12/31/87 7270 +/- 210
<2 2 +/- 1 <260 158 O _
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STATION DISCHARGE 005 L
Collection Date Alpha Beta Tritium 1/06/87 <9 <10 <270 1/09/87 <5 <6 380 +/- 160
, 1/13/87 <5 <9 <280 1/16/87 <7 <9 360 +/- 160 1/20/87 <4 8 +/- 3 <280
'3/03/87 3 +/- 2 7 +/- 2 <280 3/06/87 2 +/- 1 6 +/- 1 <270 3/10/87 2 +/- 1 3 +/- 2 <270 3/13/87 <2 3 +/- 1 <280 3/17/87 <2 4 +/- 2 <270 3/20/87 1 +/- 1 3 +/- 2 <270 3/24/87 <2 <3 <270 3/27/87 <2 3 +/- 2 <270 3/31/87 <2 5 +/- 2 <280 4/03/87 3 +/- 1 7 +/- 2 590 +/- 170 4/07/87 2 +/- 1 4 +/- 1 <280 4/10/87 <2 4 +/ .1 <270 4/14/87- 2 +/- 1 8 +/- 2 350 +/- 160 r 4/17/87 <2 6 +/- 1 <280 4/21/87 1 +/- 1 4 +/- 1 <280 4/24/87 <2 3 +/- 2 <280 4/28/87 <2 4 +/- 2 <280 5/01/87 2 +/- 1 4 +/- 2 <270 l 5/05/87 3 +/- 1 8 +/- 2 <270 I 5/08/87 2 +/- 1 <3 <280 5/12/87 <2 2 +/- 1 <284 5/15/87 <3 5 +/- 2 <280 5/19/87 <3 3 +/- 1 <280 5/22/87 <2 3 +/- 1 <270 5/26/87 <2 3 +/- 1
<270 5/29/87 <2 3 +/- 1 <270 6/02/87 <2 3 +/- 1 <280 6/05/87 <2 <3 <270 6/09/87 <2 3 +/- 2 <270 6/12/87 <3 4 +/- 1 <290 6/16/87 <2 <3 <290 6/19/87 <2 <3 <270 6/23/87 4 +/- 2 16 +/- 2 <280 6/26/87 <2 3 +/- 1 <280 6/30/87 <2 4 +/- 1 <280 i 7/02/87 <2 3 +/- 1 <280 l 7/07/87
<2 3 +/- 1 <280 7/10/87 <2 6 +/- 1 <270
, 7/11/87 <2 4 +/- 2 <270 1 7/17/87 <2 4 +/- 2 <290 I l 7/21/87 <3 5 +/- 2 <280 l N
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TMI SUPPLEMENTARY WATER DATA STATION DISCHARGE 005
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Collection Date Alpha Beta Tritium 7/24/87 <2 4 +/- 2 <270 7/28/87 <2 <3 <270 7/31/87 2 +/- 1 5 +/- 1 <270 8/04/87 2 +/- 1 5 +/- 1 <280 8/06/87 <3 6 +/- 2 <300 8/11/87 <2 5 +/- 1 <310 8/14/87 <2 6 +/- 2 <290 8/18/87 <2 3 +/- 1 <280 8/21/87 <2 6 +/- 2 <280 8/25/87 <2 6 +/- 1 <280 8/28/87 <2 5 +/- 2 <270 9/01/87 <2 4 +/- 2 <280 9/04/87 <3 4 +/- 2 <270 9/08/87 2 +/- 1 3 +/- 1 <280 9/11/87. 3 +/- 1 5 +/- 1 <280 9/15/87 2 +/- 1 6 +/- 1 <270 9/18/87 4 +/- 2 12 +/- 2 <280 i
9/22/87 <2 5 +/- I' <280 9/25/87 <2 3 +/- 1 <260 9/29/87 <2 3 +/- 1 <260 10/02/87 <2 3 +/- 1 <260 10/06/87 <3 3 +/- 1 590 +/- 180 10/09/87 <3 3 +/- 2 <290 10/13/87 <2 '4 +/- 1 410 +/- 170 10/16/87 <2 <3 400 +/- 180 10/20/87 <2 <3 420 +/- 180 10/23/87 <2 4 +/- 1 <320 10/27/87- <2 3 +/- 1 <300 10/30/87 <2 3 +/- 1 <300 11/03/87 <2 <3 <300 11/06/87 <2 <3 <300 ,
11/10/87 <2 <3 <290 11/13/87 <3 3 +/- 2 300 +/- 170 11/17/87 <3 <4 <280 11/20/87 <3 6 +/- 2 <280 11/24/87 3 +/- 2 <5 <290 l 11/27/87 <4 <5 <300 12/01/87 <3 4 +/- 2 <300 12/04/87 1 +/- 1 5 +/- 2 <300 i 12/08/87 2 +/- 1 4 +/- 1 <280 12/11/87 2 +/- 1 4 +/- 1 <280 i 12/15/87 2 +/- 1 4 +/- 1 <280 12/18/87 2 +/ 1, 7 +/- 2 <280 12/22/87 <2 5 +/- 1 <250
. 12/24/87 <2 4 +/- 1 <250 12/29/87 3 +/- 1 4 +/- 1 <250 l
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TMI SUPPLEMENTARY WATER DATA STATION DISCHARGE 006
' Collection Date Alpha Beta Tritium 1/03/87 <2 <3 <280 1/10/87 <3 <3 <270 1/17/87 <2 <3 <280 1/24/87 <3 <3 <270 1/24/87 <3 4 +/- 2 <280 1/31/87 <2 2 +/- 1 <270
-2/07/87 <2 4 +/- 1 <270 2/14/87 <2 <2 <280 2/21/87 <2 4 +/- 1 <270 2/28/87 <2 <3 <270 3/07/87 <2 <3 <270 3/14/87 <2 3 +/- 1 <270 3/21/87 <2 <3 <280 3/26/87 <2 <2 <280 3/27/87 2 +/- 1 4 +/- 2 <280 3/28/87 <2 <2 <280 3/29/87 <2 <2 <280 3/31/87 <2 2 +/- 1 <280 4/04/87. <2 <3 <270
. 4/11/87 <2 3 +/- 1 <280 4/18/87 <1 <3 <270 4/25/87- <2 <2 <270 5/02/87 <2 <3 <280 5/09/87 <2 2 +/- 1 <270 5/16/87 <2 <3 <270 5/23/87 <2 3 +/- 2 <280 5/23/87 <2 4 +/- 2 <270 5/30/87 <2 43 <270 6/06/87 <3 3 +/- 1 <290 6/13/87 <2 2 +/- 1 <270 6/19/87 <2 3 +/- 2 <280 6/20/87 <2 3 +/- 1 <280 6/22/87 < ?,
3 +/- 2 <280 6/26/87 <2 3 +/- 1 <280 6/27/87 <2 4 +/- 1 <280 6/28/87 <2 3 +/- 1 <280 7/04/87 <2 5 +/- 2 <270 1
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TMI SUPPLEMENTARY WATER DATA STATION DISCHARGE 006 Collection 1 Date Alpha Beta Tritium 7/11/87 <1 <2 <280 7/18/87 <2 5 +/- 2 <270~
7/25/87 1 +/- 1 4 +/- 1 -<280 i 8/01/87 <2 5 +/- 2 <270 l 8/07/87 <3 7 +/- 2 <280 8/08/87 <3 4 +/- 2 <270 8/08/87 <3 7 +/- 2 <280 8/09/87 <3 4 +/- 2 <280 8/10/87 <3 4 +/- 2 <280 8/11/87 <3 5 +/- 2 <280 8/12/87 <3 5 +/- 2 <280 8/13/87 <2 4 +/- 2 <280.
8/14/87 <3 <3 <280 8/17/87 <9 14 +/- 6 <280 8/17/87 <3 10 +/- 3 <280 8/22/87 3 +/- 2 6 +/- 2 <280
'8/29/87 <3 3 +/- 2 <280 9/05/87 <2 6 +/- 2 <270 '
9/12/87 <3 4 +/- 1 <260 9/19/87 <2 3 +/- 1 <260 9/26/87 <2 3 +/- 1 <290 10/03/87 <2 3 +/- 1 <280 10/10/87 <2 4 +/- 1 <290 10/17/87 <3 3 +/- 1 <300 10/24/87 <2 <3 <300 10/31/87 <2 4 +/- 2 <290 11/05/87 <2 3 +/- 1 <280
'11/06/87 <2 2 +/- 1 <280 11/07/87 <2 3 +/- 1 '
<280 11/07/87 <2 2 +/- 1 <290
-11/14/87 <2 3 +/- 1 <300 11/21/87 <2 <3 <300 11/28/87 <2 <3 <280 ,
12/05/87 <2 <2 <280 12/12/87 <2 <2 <280 12/19/87 <2 <3 <250 12/26/87 1 +/- 1 2 +/- 1 <250 2
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@~ Tritium 1/03/87 <2- .
<3 <270 1/10/87 20 +/- 12' 49 /- 13 <280 1/17/87 <2 3 +/- 2 <280 1/24/87 <2 <3 <280 1/31/87. <3 4 +/- 2 <270 2/07/87 <2 4 +/ <270 2/14/87 <2 2 +/- l' <270 2/21/87 <2 3 +/- 1. <270 2/28/87 <2 <3 <270 3/07/87 <2 6 +/- 2 <280 3/14/87 <2 .4 +/-'2 <270 3/21/87 <2 3 +/- 1 <270 3/28/87 <2 3 +/- 1 <280 4/04/87- 2 +/- 1 4'+/- 2 <280 4/11/87 5 +/- 2 10 +/- 3 <280 4/18/87- 2 +/- 1 4 +/- 2 <280
'4/25/87 <1 <3 <270
-5/02/87 <2 <3 <280' 5/09/87 <3 ,
<3 <280
'5/16/87 <3 2 +/- 1 <270
- 5/23/87 <2 3 +/- 2' <280 6/04/87 <2 4 +/- 2 <270 6/06/87 <2 <3 .
<270 6/13/87 <2 3 +/ .1 <270 6/20/87 <2 3 +/- 1 <280 7/01/87 <2 3 +/- 1 <280 7/04/87 <2 4 +/- 1 <270 7/05/87 <2 3 +/- 2 <280 '
7/18/87- <2 <3 <270 7/25/87- <2 3 +/- 1 <280 8/05/87 <3 3 +/- 2 <300 8/08/87 <2 4 +/- 2 '280 8/15/87 <2 4 +/- 2 <280 8/22/87 <3 <3 '
<270
~8/29/87 <4 <3 <270 9/05/87 <2. 5 +/- 2 <270 9/12/87 <2 5 +/- 1 <280 9/19/87 <2 3 +/- 1 <260 9/26/87 <2 <3 <260 10/03/87 <3 3 +/- 2 <290 10/10/87 <2 <3 430 +/- 180 10/17/87 <2 5 +/- 1 <320 10/24/87 <2 3 +/- 2 <300 10/31/87 <2 <3 <300 11/14/87 <2 4 4/- 1 <290 l 11/16/87 <3 2 +/- 1 <290 1 11/21/87 <2 <3 <300 11/28/87 5 +/- 2 5 +/- 2 <300 12/05/87 <2 <3 <280 12/12/87 <2 3 +/- 1 <280
, 12/19/87 <2 <3 <250 12/26/87 <2 <3 <250 l
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'THREE MILE ISLAND MILK SAMPLING Milk sampling near Three Mile Island Nuclear Station continued monthly at two farms in 1987. The grab samples of raw milk were analyzed by gamma spectroscopy.
Cesium-137 was detected periodically at both stations throughout the year. This radioisotope is a major constituent in fallout from weapons testing and the accident at Chernobyl in April, 1986.
Similar data were observed in routine milk samples at all nuclear power stations in Pennsylvania.
Natural Potassium-40 concentrations are equivalent to a potassium content of 1.4 to 1.8 grams per liter.
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THREE MILE-ISLAND FISH, PRODUCE AND SEDIMENT During the reporting period, fish and sediment from the Susquehanna River and locally grown produce were collected by the utility and split with BRP.
The fish sample was a composite of white crappie, smallmouth bass and rock bass. The produce sample, raw cabbage, was collected from a. truck garden 0.8 mile south-southeast of the station. The sediment sample was collected downstream of the discharge point.
Analy:is was by gamma spectroscopy.
The Cesium-137 detected in the sediment and fish samples could be attributed to either fallout or station discharges. No reactor-related radioisotopes were detected in the produce sample.
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- ' Enclosure 4 NARRATIVE STATEMENT-6*
Purpose The purpose of this proposal is to provide a mechanism by which the U. S. ,
Environmental Protection Agency can transfer to the Conrnonwealth of Pennsylvania '!
and the Milton S. Hershey Medical Center its environmental surveillance and dissemination of information to the public for the remainder of the decontami-l nation'of.the Three Mile Island Unit II.
' Participants U. S. Environmental Protection Agency (EPA)
Office of Radiation Programs (ORP)
Eastern Environmental Radiation Facility (EERF)
U'. S. Department of Energy (DOE)'
Commonwealth of Pennsylvania Department of Environmental Resources (DER)
~8ureau of Radiation Protection (BRP) .
The Pennsylvania State University (PSU) 4 c, The Milton S. Hershey Medical Center (HMC)
Department of Radiology.
Division of Health. Physics Bcckground EPA has conducted an environmental monitoring program in the vicinity of TM1 since March 31, 1979. On April 13, 1979, EPA was given responsibility by the White House for coordinating the Federal monitoring effort at TMI.
EPA is committed to maintain a monitoring program at TMI until such time as the fuel and debris have been removed from the Unit 2 reactor, sealed in ship-ing containers, and removed from the Island. When the commitment was originally made in various meetings circa 1980 by ORD officials, the program was estimated to last 3-4' years, and when reaffirmed by Mr. W. Ruckelshaus in 1984, the end of fuel. shipment was estimated to be late 1987 or early 1988. Current " official" estimites are for late 1988, however further delay is probable. This agreement is designed to provide the necessary resources to meet EPA's commitment to have a monitoring program until the fuel is shipped without the expense of an onsite Agency staff and an office. This will be accomplished by adding the required analytic and sample collection capability to the existing infrastructure of HMC.
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A. Ambient gansna radiation monitoring
- 1. Doserate monitoring - Reuter Stokes R551011 "Sentri" System.
The 13 5entri" units will be kept operating as free-standing, indepen-dent units with stripchart readout. The units will be checked weekly by HMC personnel and charts replaced monthly. Charts will be visually examined if requested by PA-DER and will be kept until final closeout of the monitoring project. "Sentri" operation will continue until fuel debris shipment is completed.
When fuel debris shipment is completed, the "Sentri" units will be dismantled and returned to EERF (ORP), if requested.
- 2. Cumulative ambient gamma radiation dose - Thermoluminescent dosimeters (TLDs).
4 The present program will be continued until the fuel debris is shipped.
EPA (ORP-LV) will continue to furnish TLDs quarterly, readout the TLUs, and furnish data on floppy disc and hard copy (EERF, HMC, PA-0ER), and TLD holders. HMC will changeout TLDs at'34 locations, complete data forms, and return TLDs and their transportation controls from the previous quarter to OP.P-LV. HMC will replace TLD holders when necessary. ,
B. Air Monitoring
- 1. Constant volume samplers - particulate and radioiodine.
Particulate and radioiodine monitoring will be continued with weekly sample changeout until the later of (1) completion of shipment of fuel debris or (2) completion of disposal of " accident water" and then terminated. HMC will maintain samplers, changeout filters and charcoal cartridges and analyze them, in weekly composites, by gamma spectroscopy.
Samplers and sampler shelters will be retained by PA-DER or HMC upon mutual agreement.
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- 2. High volume air sampling.
The samplers at the TM1 Observation Center and at Goldsboro will be operated as part of the ERAMS, by HMC and EERF, until the later of (1) completion of fuel debris shipment or (2) completion of " accident water" disposal. HMC will change filters twice weekly, conduct tne required " Field Estimate" and mail the filters to EERF where lab analyses, including quarterly analysis for U and Pu isotopes, will be done.
- 3. Tritium (HTO) in air.
Six samplers will be operated at Middletown, TMI Observation Center, Goldsboro, Red Hill and Wernersville and York Haven until the later of (1) completion of fuel debris shipraent or (2) completion of disposition of " accident water". Sample collection and analytical equipment will be retained by HMC or PA-DER as determined by the Director, Bureau of Radiation Protection, PA-DER. ,
, C. Water Monitoring
- 1. General Unless otherwise indicated, water monitoring will continue untti the later of (1) completion of fuel debris shipment or (2) completion of the disposition of " accident water." ,
The analysis of water samples will include: (1) high resolution gamma spectroscopy; (2) gross alpha radioactivity determination; (3) gross beta radioactivity determination; (4) HTO (tritiated water) determina-tion; and (5) strontium-90 determination on quarterly composites from each location. Analyses will be done at HMC exc.ept for the strontium-90 which will be done at EERF.
- 2. 1M1 001 Industrial outfall
- a. Flow-through gross ganna radioactivity monitor.
The operation of this monitor will be continued with local strip chart readout by HMC personnel. The system will be flushed out monthly to prevent background buildup from silt accumulation.
R : . 4 *g.;
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Collection of daily. samples will be continued, using the automated system which collects four consecutive 24-hour samples. The -
samples will be picked up twice weekly, returned to the.HMC lab and analyzed as a weekly composite. If- the_ gansna spectroscopic analysis of the weekly composite is positive.for. reactor. origin radionuclides, the daily samples making up that composite will be gamma counted to determine the date of and more properly quantify the release.
- 3. TMI water' treatment plant intake This unit is similar to the TM1 Outfall continuous sampler and will be operated on the same schedule.
- 4. TMI East Dike. Runoff Pond (Storm Water Basin)..
' Collection and analysis.of a weekly grab sample will be continued ex-cept that.no samples will be collected when the pond is frozen.
'5. .Lancaster water supply HMC will continue the~ analysis of weekly composite samples (250
- ml/8hr.).that are collected and delivered to the HMC lab by City ofL L,, Lancaster employees.
'D.
Periodic Report HMC will provide a single monthly report of data collected. This report will replace both.the monthly " Environmental Newsletter" and the. weekly interim data report sent to the NRC, PA-DER and the Mayor of Lancaster. The distribu ,
tion of this.new monthly report will include the 250 individuals on tiie' current mailing list, NRC PA-DER and the Mayor of Lancaster. Also 40 copies of the report will~be mailed to the Capitol Press Room in Harrisburg, Pennslyvania.
Resources Provided EPA will provide to HMC the following equipment that is currently located at the TMI Field Station (this equipment will be retained by HMC at completion of this agreement):
Printer and Computer Terminal Gamma Products lead shield IBM PC/XT Computer N. D. Model 620 MCA Tritium in Air Samplers (6) il 743KSR Ther;nal printer Wall Assembly - Lab Furniture in prep lab Tracor Model 1710 MCA Topaz power systems Tracor Preamp Mettler 400g top-loading balance Elgar 300 B A/C line concittoner Mettler PK16 electronic balance Keithley multimeter 45 gallon flammable storage cabinet Keithley digital electrometer q
Labconto fiberglass fume hood Tektronix oscilloscope J Frigidaire refrigerator IBM Selectric typewriter Kenmore freezer Kodak Carousel projector Fisher lab oven Kodak Ectograph Audioviewer Model'820 K5R Tl terminal projector Canberra nimbin IBM PC/XT system "
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EDO Principal Correspondence Control m,e- e f
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DOC DT: 05/23/89 FINAL REPLY.:-
tBARBARA HAYS,-CHAIR PENNSYLVANIA. CHAPTER
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' CHAIRMAN.ZECH J =FOR.SIGNATURC'OF:: ** GRN
- CRC-NO: 89-0512
-MURLEY;
, .DESC: ROUTING:
REQUEST' STATUS REPORT ON' CURRENT AND PROPOSED RUSSELL,'RI
,? MONITORING IN TMI-AREA DATE 05/30/89 bSSIGNED'TO:' CONTACT:
NRR- MURLEY iS'ECIAL INSTRUCTIONS OR, REMARKS:
'NRR RECEIVED:.~MAY 30,:1989 l ACTION: IDRPRiVARGAen-NRR ROUTING:~ :MURLEY/SNIEZEK j- =. MIRAGLIA
- PARTLOW CRUTCHFIELD GILLESPIE MOSSBURG ACTION DUE TO NRR DIRECTOR'S OFFIOL BY p 7, /979 ,
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OFFICE OF.THE: SECRETARY' CORRESPONDENCE; CONTROL TICKET.
PAPER NUMBER:~- uCRC-89-0512 LOGGING DATE: May.26'89
-ACTION: OFFICE: EDO~
fAUTHOR:- BHHays-
-i ' AFFILIATION:': ~PA (PENNSYLVANIA)
LETTERiDATE: - May 23 89: FILE CODE: ID&R-5 TMI
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SUBJECT:
. . Req status'rpt'.'on current and proposed emergency monitoring devices in the.TMI' area by GPU, the NRC and,other government. agencies ACTION:, ' Appropriate n . DISTRIBUTION: , RF,. Docket:
SPECIAL'HANDLINGf None-
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~ NOTES: A DATE;DUE:
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~ SIGNATURE: ..- DATE SIGNED':-
AFFILIATION:
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