ML20031B853

Offsite Environ Radiological Monitoring Summary of Survey Results,Jul-Dec 1974

ML20031B853
Person / Time
Site:	Yankee Rowe
Issue date:	03/24/1975
From:	YANKEE ATOMIC ELECTRIC CO.
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NUDOCS 8110060152
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h YANKEE ATOMIC ELECTRIC COMPANY OFFSITE ENVIRONMENTAL RADIOLOGICAL MONITORING

SUMMARY

OF. SURVEY RESULTS July 1, 1974 - December 31, 1974 O

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I VllMDlh:1 I,ON in compliance with reporting requirements detailed in Yankee Atomic I!!ect rie-Corrpany Technical Specification Section _16.6.7. lit, this report summarises the results' of the offsite environmental radiation surveillance program for the period July 1, 1974 through~ December 31, 1974.

Ineluded with this. report are.the following:

't.

lable I - ' A summary of analyses for.the period July 1,1974 through Decenner 31. 1974 -: including for each media sampled during the report ing period:

a.

. Number of sampling locations b.

~1otal ntuaber of samples c.

Number of locations at which levels of plant-related activity are found to be significantly above local established or concurrent.

backgrounds (at the p =.01 level) d.

lii ghes t, lowest, and the average concentrations or levels off radiation for the sampling point with the highest average.and a reference to the appropriate table describing the location of-that point with respect to the site.

2.

lable 11 - IX - Locations of sample points and monitoring stations.

3.

lable X - Flinimum detectable activities by high resolution Ge(Li)

Spectroscopy.

All analyses during the reporting period, except the TLD measurements made by plant personnel, were performed by Teledyne isotopes, Inc., West-wood. New.lersey.

During the period of t his report, levels of plant related radioactive materials above background as determined by the environmental mon'.toring program do not indicate the likelihood of any public intakes or exposure in excess of 1*. of those that could result from continuous exposure to the concentration values listed in Appendix li, Table II, Part 20 of Title 10 of the Code of Federal Regulations, in addition, no statistically signifi-cant variation of offsite enviroruaental concentrations with time were observed.

T1.D readings made at nine points on the plant restricted area fence (points 13 - 21 in Table IX) indicate elevated exposure raten due to direct radiation from stored wastes and miscellaneous sources onsite.

Ilowever,

due to Tankee's isolated location, there is no likely significant increase in c.sposure to any member of the general public.

All points erhibiting an increase were located no more than 0.2 kilometers from the center of the containment.

All other TLD sites, including two at 0.8 kilometers and 0.5 b

4 3

?,,

-(.

' kilometers'from the containment'buidling showed no significant-increase in exposure over the six month period. TLD readings are routinely made by

)inkee Rowe personnel on monthly integrated measurements at twenty-two locations.

-During this semi-anr.ual period, Ti.D. data was invalidated at all stations-during August, October, 'and December due to a problem with contaminated film badge holders-used concurrent with TLDs at environmental radiation monitocing stations. This use of film badges and TLDs.at each station was intended to serve as a check on the use of film badges ~to monitor low monthly exposures, flowever, significant corrosion product contamination of one film badge holder and minor contamination of several' others used during the.

abave mentioned months resulted in much elevated readings for the TLD with which it was paired for the month as well as' increases -in other station's TLDs kept in proximity. to the film badge holder for a period of time before read-out.

The recorded exposures showed a very large range on the four readout areas of each TLD pad (CaSO :Dy) indicting that the TLDs were in close 4

proximity to a physically small source.

To prevent a recurrence of sucli a problem, a number of' procedures have been adopted.

First', all film badge and TLD holders will be labeled with an identifying nu::ber and will be used only at the correspondingly numbered sample location.

Second, all film badge holders and TLD holders will be checked for contamination prior to use.

In the near future, all TLD read out will be handled by a nearby offsite ' service, thus avoiding occasional problems with low-level environmental TLD readout in-plant.

Errata table 1 of the Yankee Atomic Electric Company, Offsite Envirore:tental Radiological Flonitoring Analyses Summary for the period January 1 - June 30, 1974 contained a typographical error as follows:

1) The average t ritium Icvel at Sherman Spring should read (1.0 0.4)

E+4_ pCi/l not (1.0 10.4) U+3.

This correction doe 3 not affect any conclusions made in the last summary report.

_.. ~ -.

w-

TA"LE 1

'irrate Ata !r Electric Cc pany Offsita r* 1ronnnt 1 To'iclegt:a1 Monitorirg 5 --ar" of Je.a.sscs fer the Period Ju N 1. 19 J * - m ter 31, 19??

sr S vpling Point with liighest Sa :pling Point Neber o: 1.oc a t ions Typ of Media Sattle d Total Number Analyes i.verage t.evel for the Period with "! % t Significently Above g b. - of im t tend of S e te-Perfe" 4 13, e t

' wa r A v.- rq Avera*e !. eve !

Packfround Air Particulates (5) 135 Weekly Sa :ples Groas Alpha (pci/::3)

(3.53.OE-3

< 3. 6 E-4 (2.110.2)E-3(*1,*2 ) Station A5(Table II) 0 (continuous Cross A ta (pci/#)

(5.212.0)E-1

<2.E-3 (1.1:0.1)C-1 station /,5(Table 11) 0 sa pler operation)

Catra SM ctrum of 4,

Mcnthly Cc posite

.)

from (ach Sa.y)le p

Point (gC1/m Be-7 G_ %.3)E-1 (8.1+1.5)E-2 (1. 90.2)C-1 Statinn A5(nble II)

O E-G

< 3. 2E-2

< 1. 8E-2

< 2. 2I*- 2 Statica A m able II)

O Mn-54 (1.16.2)E-2

<7.3E-4 (2 M.7)E-3 Station A4(table II)

Co-58 (3.52.3)E-3 s7.3E-4 (1.770.7)C-3 Station A4(Table II)

O (5.37.2)E-3

<7.2E 4 Co40 7

1 (1.8 0.7)E-3 Station A1(h ble II)

(1,67.5)E-2

<1.0E-3 Zr-95 7

0 (7,1 2,4)E-j Statien A2(h ble II)

Q Ru-103 (5.312.9)E-3

<7.11-4 (2.0+1.0)E-3

-Station A5(Table II) 0 Ru-106

< 3.8r-2 (1. 3+t. 7) E-2 (3.1+1.5)E-2 Statien A1(T 2hle II)

O Sb-124 (1.110.4)L-2

< 3. 6 E-3 (5.612A)E-3

. Station A5(L ble II)

O Cs-137 (6.7+1.1)E-3 (9.i+3.3)E-4 (2.6+0.8)E-3

, Station A3(Table'II)

O Ce-141 (8.0+3.7)E-3

<1.1E-3 (2.471.1) E-3 Station A1(Ta'cle II) 0 Ce '.44 (8.250.8)E-2 (7.3 4.2)E-3 (2. 6[+0. 6 ) E-2 Station A2,A3(Lble II) 0 1

Radiochemistry on Month 13 Composite (pCi/m )

Sr-90 (5.510.9)E-3

<4.0E-4 (2.410.4)E-3 Station A5(Table II)

O Charcoal Filter 135 Weekly Sa=ples I-131 (by chemical

<3.6E-2

<5.2E-3

< 1. 4 E-2 (* 3)

Station A5(Table II) 0 Airborne Iodine (5)

(continuous sa=pler separation-low

~}.

cperation) backggound beta count-pC1/m )

Water (8) 48 Crab Sampus Cross Alpha (pC1/1)

< 2.E+0

<5.E-1 (9.514.8)C-1 Station W4(Table III) 0 (each station on Cross Beta (pC1/1)

(9.311.2)E+0 (2.610.4) E+0 (5.510.9)E+0 Station V4(Table III)

O a conthly basis)

Tritium (pC1/1)

(1.010.1)E+4 (7.310.2)E+3 (8.7+0.4)E+3 Station V8(Table III)

O Sr-90(rC1/1)

(1.510.2)E+0

<8.E-1 (1.110.4)E+0 Station W1(Table III) 0 Carma Spectrum (pC1/1-By isotope)

<MDA

<MDA

<MDA (* 4)

Tarrsstrial 19 Grab Saeples Cross Alpha (pC1/g-wet) (3.511.6)E-1

<2.E-1

-(2.611.3)E-1 Station SV6(Table IV) 0 V:g:tation (9)

(Aug, and Nov.

Cross Ecta(pci/g-vet)

(1.510.2)E+1

-(5.210.1)E+0 (1.0+0.1)E+1 Station SV8(Table IV) 0 at each section)

Sr-9C (pci/g-wet)

(5.E+0.1)E-1

.(2.3+0.4)E-1 (4.1+0. 3) E Station SV2(Table IV) 0 i

Carma Spectrum (pCi/g-wet)

Be-7 (6.1+1.6)E+0 (3.7+1.6)E+0 (4.9+1.6)E+0 Station SV4(Table IV) 0 K-40 (7.312.5)E+0-(1.310.4)E+0 (4.311.5)E+0 Station SV8(Table IV)

.O E

(1.3 0.2)E+0 (1.310.3)E+0 (1.310.2)E'O Station SVI(Table IV) 1 Mn-54 1

co-58 (1. 3+0.4) E+0 (7.0 2.8)E-1 (1.010. 3) E+0 Station SVI(Table IV) 1 3

~

Co-60 (1.710.2)E+0 (1.410.3)E+0 (1.610. 3) E+0 Station SVI(Table IV) 1 Zr-95 (6.413.0) E-1 (4.5+3.1)E-1 (5.513.1)E-1 Station SV6(Table IV) 0 Co-137' (6.711.9)E-1

<2.E-2 (3.511.0)E-1 Station SV4(Table IV).

0 Ce-141

<7.E-1

<4.E-2

< 3. 7E-1 Station SV3(Table IV) 0 Ce-144

. (3.7,+0.8)E+0'

<2.E-1 (2.0+0.4)E+0 Station SV4((TaMb 03 0

TABLE 1 (Contiaued - Page 2)

Yankee Atoric Electric Ccnpany Offsite Environmentti Radiological Monitoring Su=.ary of Analyses for the Period July 1,1974 - Decenber 31. 1974 For Sampling Point with Highest

.a plinr, Point L.S cr of Locations Type of Media Sampled Total Number Analysis Average Level for the Period with liighest Significantly Above (Nu:ber of 1.ocations) of Sarrnles Perforted Itichest Lowest Av. race Average f.evel R A rrot.no soil (9) 18 Crab Samples Cross Alpha (pct /g)

(1.QO.3)E+1 (1.QO.5)t+1 (1.4 0.4)E+1 Station SV2 EV4(Table IV) 0 1

(Aug. and Nov.

Cross Leta (pC1/g)

(3.6_0.6)E+1 (2.810.2)E+1

( 3.3+0. 4 ) E+ 1 Station SV9(Table IV)

O at each station)

Sr-90 (pci/g)

(1.510.1)Et0 (8.Q1.6)E-1 (1.2 0.1)E+0 Station SV7(Table IV)

O 1

Ca :::r.a Spectrum (pC1/g) ce-7 (1.Q3.4)E+0

<2.E-1 (8.512.5)E-1 Statien SV3(Table IV) 0 K-40 (1.QO.2)E+1 (9.Q1.0)E+0 (1.3 0.15)E+1 Station SV3(Table IV)

O 1

Mn-54 (1.3 0.4)E-1

( 7. 012. 9) E-2 (1.010.2)E-1 Station SVl(Table IV) 1 1

Co-58 45.7E-2

<2.E-2

<3.9E-2 Station SVl(Table IV) 1 Co-60 (9.611.0)E-1 (S.QO.9)E-1 (9.Q1.0)E-1 Station SVl(Table IV) 1 2r-95 (1.913.9)E-1

<4.E-2 (L.2+0.6 l E-1 Station SVO(Table IV) 1 Ru-106 (6.6:3.9)E-1

<2.E-1 (4.312.5)E-1 Station SV3(Table IV) 1 Ag-110n (1.3$>.3)E-1

<2.E-2 (7.513.0)E-2 Station SVI(Table IV) 1 Cs-134 (7.4+3.0)E-2

<2.E-2 (4.7+2.0)5)p0 Station SV3.SVnTable I))

E-2 Statica SV2(Table IV 3

(1.9~1 2)Lt0 (1.210.1)E+0 Cs-137 0

(1.67_0.1 V

O Ce-144 (8.C+2.9)E-1

<2.E-1 (5.0+2. 0) E-1 Station SV2(Table IV) 0 Ra-226 (1 - Q).7)E+0 (1.1+0.4t+0 (1.370.55)F+0 Station SV5(Table IV) 0 Th-228 (8.8 1.1)E-1 (8.111.0)E-1 (8. 5T_1.1) E-1 Station SV's (I.ble IV) 0 1

. Aquatic Plants (3) 6 Crab Samples Sr-90 (pC1/g-vet)

(3.110.2)E-1 (2.810,5)E-1 (3.010.4)E-1 Station FAl(Table VII) 0 (Aug. and Nov.

Camr.a Spectrem(pC1/g-vet) at each station)

De-7 (9.9+1.6)E+0 (3.210.4)E+0 (6.611.0)E+0 Station FA3(Table VII) 0 K-40 (5.6 2.7)E+0 (2.510.8)E+0 (4.112. 7) E+0 Station FA3(Table VII) 0 1

Co-60 (2.511.1)E-1

<2.E-2 (1.4 0.6)E-1 Station FA3(Table VII)

C 1

Mn-54 (4.Q2.6)E-2

<2.E-2 (3.4 1.8;E-2 Station FA2(Tabic VII) 0 1

2r-95 (4.412.3)E-1 (1.S+0.8)E-1 (3.1+1.6)E-1 Station FA3(Table VII) 0 Ru-103 (3.911.6)E-1

<6.3Z-2 (2.311.4)E-1 Station FA3(Table VII) 0 Ru-106 (5.8 2.3)E-1

<4.6E-1 (5.212.3)E-1 Station FA1(Table VII)

O 3

Cs-137 (8.3+1.3)E-1 (1.610.3)E-1 (5.0 0.8)E-1 Station FA3(Table VII)

O 1

Ce-141

<2.3E-1

<4.E-2

<1.4E-1 Station FA2(Table VII)

O Ce-144 (4.0+1.0)E+0 (3.7+0.4)E+0 (3.8+0.8)E+0 Station FA3(Table VII) 0 Th-228 (5.270.8)E-1 (9. 97,1.1) E-2 (3.13 4)E-1 Station FA1(Table VII)

O Milk (2) 12 Crab Samples Sr-90 (pci/1)

(2.010.1)E+1 (6.311.0)E-1 (1.410.2)E+1 Station M11(Table VIII) 0 (monthly from I-131 (pci/1)

<2.E+0

<5.E-1 48.3E-1 Station MI2(Table VIII) 0 each station)

Cassia Spectrum (pC1/1)

K-40 (1.410.3)E+3

{1.110.2)E+3 (1.310.2)E+3 Station M11(Table VIII)

O Cs-137 (4.3+1.0)E+1

.<1.E-1 (2.5+0.7)E+1 Station Mll(Table VIII)

O C-14 (1.0+0.1)E+1 (9.310,5)E+0 (9.7[+0.6)E+0 Station M11(Table VIII) 0 Thermoluminescent 264 (Integrated Monthly Exposure 32.311.6(*6) 30.510.4(*6) 31.J+1.3 (*5)

Dosimetirs(22)

Monthly Samples - 4 (mR/ month)

Station IS(Tetle II) 9 readings / mite /

month)

IAS* E 1 (Continued - Page 3)

Yan5ee Atomic Electric Ccepany Of fsite Er ironmental Radiological Monitoring Sumtery of Analyses f ar the Period l

July 1, 1974 - rece-ber 31, 1974 ter Sampling Foint with !!ighest Sarpling Peint Nut er of Locations Type of Media Sampled Total Number Analysis Average Level for the Period with Highest Significantly Above.

(Nurbtr of Locatione) of Sa-eles Perfor-ed

[f Mu nt Invent Averare Averace Level S.:ck cround Rivsr Sediment (14) 28 Crab Samples Cross Alpha (pC1/g-dry)(2.7 0.8)E+1

< 5.4E+0 (1.610.5)E+1 Station SE10(Table V) 0 2

(Aug. and Nov.

Cross Beta (pC1/g-dry) (5.230.3)E+1 (2.910.2)E+1 (4.110.3)E+1 Station SEIO(Table v) 0 at each station)

S r-90 (pC1/g-d ry)

(1.E+0.1)r+0 (2.9+0.6)E-1 (6.510.8)E-1 Station SEl(Table V)

O Camma Spectru=(pC1/g-dry) i Be-7 (9.613.1)L-1 (5.712.9)E-1 (7.713.0)E-1 Stution SE6(Table V) 0 K-40 (2.110.2)E-1 (1.1+0.1.E-1 (1.6+0.2)E-1 Station SEl(Table V)

O Co-60 (1.6;0.2)E,0

<2.E-2 (9.111.1)E-1 Station SEl(Table V) 2 Zr-95 (5.F10.7)E-1

<4.E-2 (3.110.6)E-1 Station SE2(T-_*

7) 0

3.2 1.6)E-1 Station SE6(Table V)

O Ru-106 (4.312.2)E-1

<2.E-1 1

Cs-134 (9.711.0)E 1

<2.E-2 (4.911.0)E-1 Station SE3(Table V) 1 Cs-137 (7.610.8)E-0 (1.410.4)E-1 (3.914.2)E+0 Station SLl(Table V)

O

.(1.7 ).0)E+0 Station SES(Table V) 0 Ce-144 (3.112.0)E+0

<2.E-1 3

(3.2 1.4)E+0 (1.514.3)E (2.010.9)E+0 Station Sc1(Table V) 0 Ra-226 1

Th-228 (3.110.4)E+0 (5.910.7)E-1 (1.9+0.3)E+0 Station Sta(Table V) 0-(8.0,0.8)E-2 Station SLl(Table V) 2 Ma-54 (1.410.6)E-1

< 2.E-2 1

Fish (3) 6 Crab Samples Sr-90(pci/g-wet)

(4.610.1)E+0 (6.5+1.1)E-1 (2.610.1)E+0 Station FA3(Table VII) 0 (Aug, and Nov.

H-3 (Bound Water at each station) pC1/g-vet)

(1.710.2)E+0 (2.010.2)E-1 (9.511.1)E-1 Station FA2(Table VII)

O Camma Spectrum (pCi/g-wet)

K-40 (2.710.8)E+0 (2.5+0.4)E+0 (2.6+0.6)E+0 Station FA2(Table VII)

O Cs-137 (1.110.3)E-1

< 2.E-2 (6.712.C)E-2' Station FA1(Table VII) 0 F00T'0TTS F09 TABLE 1

• 1 All data listed.(escept TLD neasurements made by Pove personnel) were

• 3 Numbers supplied represent detection limits for lodin--131 id.ich varies measured by the an..lytical contractor, Teledyne Isotopes. Westwood, from week to week depending on elapsed tir.e before analysis, and volume New Jersey, and represents 'the r.easurement (or average of a number of of air sampled. All cartridges for the period were analyzed by radio-measurements) 12 sinna counting error (or average of the 2 sigma error).

chemleal separation of iodine from the charcoal and low background beta In any case where the measured value was less than the 3 sigma counting counting.

error, the value 19 reported as less than the 3 sigma error.. Note 1.0E 1.0 x 10 84 Less than minimum detectable activity (MDA). See Tabic X (Environmental Sample Detection Sensitivities by High Resolution Ce(L1) Spectroscopy).

• 2 Averages for all media computed by including salues reported as less than.

a detection limit as if it was actually at the detection liott. Thus all

• 5 TLD average represents 6 month mean + statistical sample standard deviatfor; averages are upper limit values.

• 6 Value shown is the average of a single TLD badge readout + standard deviation of four replicate readout areas.

d J

TABLE II A,ir Mo_nitor_ing Locations

'... i t t o n lii rt a nc e-from Plant (krd Azimuth Al t urion liouse 0.8 232 A2 Itarriman Statton 3.2 357 A)

Ferd 11111 Road 2.7 152 A '.

Observation Center 0.5 313 A5 Williamstown !! ass.

22.2 265 TABLE IIL Water Sampling Locations Distance from Discharge 1 oc.q. Io,n Point (km)

Direction n

a.>rman Pond -

W!

c Discharge Area 0.1 349

'.12 Bear Swamp -

No. 5 Station 6.3 Downriver W3 Ha rr inan 4t at ion 3.5 Upriver

'4

' ant l'orabic (Onsite Well)

W5 liarriman Reservoir 10.1 Upriver Distance from Center o f Vapor Container _(km),

b f.

Ea st Storm Drain 0.1 6

W7 n'e s t Storm Drain 0.2 280 WS Sherman Spring 0.2 304 wr M.. M -

,.1 as-w e

r.er

+

e-

-w, 1.g ty.

-]

5 Soil and Vegstttien Sac:pling Lccetions Distance from Center

' I.oca t ion Vapor Container (km)

Azimuth

~

SV1 Plant Site-0.1 132 SV2 Dunbar Brook 3.2 216 SV3 West Cemetery

.3.2 150 SV4 Ilarriman Station 3.2 359 SV5 Field Laboratory Site.

1.0 230 SV6 Crossroad 3.5 83 SV7 Whitingham Line 3.5

'32 SV8 Adams ill-Line 2.1 289 '

SV9 Williamstown 22.2 265 TABLE V River Sediment Sampling Locations i

l.ocation Distance from Discharge Point (River.km)

Direction SE1 Sherman Pond g

(Condenser outfall Area) 0.08

-349 SE2 Sherman Pond (Above Sherman Dam) 0.18 320 SF3 No. % Statton Pond (Below Shernan Stat ion Spillvay) 0.55 Downriver S I:'.

a. 3 Station (Above *:0 5

C..tul Entrance) 1.12 Downriver SI:5 Deert Ield River (Upstream of Rte. 2 Bridge at Mohawk Park) 21.5 Downriver SE6 Deerfield River (Near Gar i

Chris Motel) 29.9 Downriver SE7 Deerfield River (No. 4 Station Pond) 36.2 Downriver SES Confluence of Deerfield River with :: orth River 38.0 Downriver SE9 liarriman Station (from foot bridge) 3.4 Upriver SEIO liarriman Reservoir 10.1 Upraver t

,P**"~'~

t rw -

.ev

,?

~S TABLE V (Cont.)

Distance Upriver of Confluence of Location North and Deerfield Rivers Direction Sell North River (Griswoldville Dam l'ond Above) 5.1 Upriver SE12 Nort h River (f ormer Lyonsville Dam Site) 7.2 Upriver SE13 North River (West Branch) 6.3 Upriver SE14 North River (Griswoldville Dam, Pond Below) 4.8 Upriver TABLE VI Maple Syrup Sampling Locations Loca t ion Distance from Plant (km)

Direo. tion M3 Truesdell's Sugar House Colrain, MA 16.9 E

M4 Veber Fara Kowe, MA 4.0 S

TABLE VII Fish and Aquatic Plant Sampling Locations Distance from Discharge 1.oca t t en Point (km)

Direction FAI Sherman Pond (Southern End Near Discharge Point) 0.2 N

t FA2 Deerfield River O:4 Stat ion Reservoir) 36.2 Downriver liarriman Reservoir 10.0 Upriver TABLE VIII Milk Sampling Locations Location Distance from Plant (km)

Azimuth Mll Eingsley Farm Whit iagham, VT 3.5 45 MI2 Mt. '41111ams Dairy g

Williamstown, MA 20.9 258

^ '.

9 g

. TABLE-IX

.TLD Monitoring Sites Zone I-

' Distance from Center-Statipn Number' Location

.of' Containment Bldg. (km)

Azimuth 1

Furlon House 0.8 ~

'232"-

2 Observation Baoth 0.5' 313 3

Ford Hill Road 2.7 152 4

Harriman Station ~

3.2' 359"~

5 Monroe Bridge 1.3 240 6

Readsboro Road Barrier 1.3 355 7-Whitingham Line 3.5 32 3

Monroe Hill Barrier 1.8 182 9

Dunbar Brook 3.2 216 10 Cross Road 3.5 83 11-Adams High Line 2.1 289 ~

12-Readsboro, Vermont 5.5 344 II Restricted Area Fence

.08'

'255 14 Restricted Area Fenco

.11

'300 15 Restricted Area Fence

.08 345 16 Restricted Area Fence

.13 30 1.7 f.estricted Area Fence

.14 70

!9 Restricted Area Fence

.14 115 10 Restricted Area Fence

.16

.140 20 Restricted Area Fence

.16 160 21 Restricted Area Fence

.11 205 22 Williamstown Substation 22.2 265

n

')

TABLE X Environmental Sample Detection Sensitivities by High Resolution Ge(Li) Gamma Spectroscopy Water (1 liter)

Soil, Vegetation, Fish Filters Nuclide pCi/;.

(400 mm) pCi/gm pCi/ total filter Be 8E+01 2E-01 2E+01 0

K 2E+02 5E-01 SEMI 51 Cr 8E401 2E-01 8E+01 54 Hn 8

2E-02 2

S8 Co 8

2E-02 2

59 Fe 1E+01 4E-02 3

60 Co 8

2E-02 2

95 Zr 1E+01 4E-02 3

l03 Ru 8

2E-02 2

l Ru 8E+01 2E-01 8E+01 131 1

1E+01 3E-02 2

134 Cs 9

2E-02 2

1 Cs 9

2E-02 2

14 Ba 3E+01 8E-02 6

140 La 2E+01 4E-02 2E+01 141 Ce 2E+01 4E-02 3

l Ce 8E+01 2E-01 2E+01 Ra 6E101 1E-01 1C+01 Th IE+01 2E-02 1E+01

-a--

-- = -. - -.

.,