· regulato information distribution . )tem (rids) dockft 8 05000220 notes: accession...

REGULATO INFORMATION DISTRIBUTION . )TEM (RIDS)

DOCKFT 805000220

NOTES:

ACCESSION NBRt7812270176 DOC.DATE- 78/.12/20 NOTABIZFD'NO',rACIL<50-220 NINE MILE POIl'lT //1, NIAGARA MOHAWK POWER CORP ~

AUTH.NAME AUTHOR AFFILIATION.<'~'ISE, D.P. NIAGARA MOHAWK PWR

BECI P ~ NAME RECIPIENT AFFILIATIONIPPOLITO, T.A.,*+*OPEBATING REACTORS BRANCH 3

~',0SUBJECT! Responds to 780821 NRC ltr requesting addi info re spent

0 fuel mod.Forwards "Boraf lex 1 Suitability Rept."

DISTRIBUTION CODE: A001S COPIES RECEIVED:LTB + ENCL + SIZE-TITLE: GENERAL DISTRIBUTION F()R AFTER ISSUANCE OF ()PEBATI NG LIC

yACTION:

INTERNAL~

0

RECIPIENTID CODE/NAME

05 OC OR'8 @Z

O.l12 I&E15 COBE PEBF BR17 ENGR BR19 PLANT SYS BB

21 EFLT TRT SYS

COPIESLTTR ENCL

7 7

1 1

2 21 1

1 1

1 1

„I '1

BFC I PI ENTI D CODE/NAME

02 NRC PDR14 HANAUER16 AD SYS/PROJ18 BEAC SFTY BB20 EEB22 BBINKMAN

COPIESLTTR ENCL

gEXTERNAL: 03 LPDB23 ACRS

1 1

16 1604 NS IC

.DEC 29 1978

~ TOTAL NUMBER OF COPIES REQUIRED: LTTR 38 ENCL 38

iLt

1

II

0

~ lj

e s n

'5

I.

onald P. Disc NIAGARAMOHAWKPOWER CORPORATION/300 ERIE BOULEVARO WEST, SYRACUSE, N.Y. 13202/TELEPHONE (315) 474-1511Vice PresidentEngineering

December 20, 1978

Division of Operating ReactorsAttention: Mr. Thomas A. IppolitoOperating Reactors Branch f13

U.S. Nuclear Regulatory CommissionWashington, D.C. 20555

Re: Nine Mile Point Unit 81Docket No. 50-220DPR-63

Dear Mr. Ippolito:

Your letter of August 21, 1978 requested additional informationregarding the spent fuel pool modification for Nine Mile Point Unit 1.The attached information is in response to your request.

Very truly yours,

NIAGARA MOHAWK POWER CORPORATION

;(.') 'i.~.:-,;.D. P. DiscVice President — Engineering

SMW/kmbAttachment

Response to August 21, 1978

NUCLEAR REGULATORY COMMISSION UESTIONS

Nine Mile Point Unit 1

Docket No. 50-220DPR-63

Question

Provide the details of the uranium-235 loading and distribution in thefuel assembly which were used for the spent fuel pool criticalitycalculations.

~Res ense

Figures 7 and 8 contained in the March 1978 submittal detail the fuelassembly model used in the criticality calculations. The fuel assemblyis comprized. of 64 0.64 inch by 0.64 inch cells containing homogenizedfuel, water and cladding. The fuel assemblies are assumed to be un-irradiated with an assembly average enrichment of 3.0 weight percentwhich is equivalent to a loading of 15.186 grams per axial centimeterof fuel assembly. A calculation, representing an explicit fuel pindistribution of selected U-235 enrichments typical of a 3.0 weight per-cent General Electric intra-assembly fuel pin arrangement is performedand included as a perturbation on the single average enrichment modelresults.

uestion

Provide the areal density of boron-10 in the Boraflex plates which wasused in the criticality calculations and provide the "quality assured"minimum value of .this areal density (i.e., atoms of boron-10 per squarecentimeter of Boraflex plate).

~Res onse

The boron-10 loading used for the criticality analysis was based on theminimum B4C loading of 34.8 weight percent in the Boraflex and assuming76 weight percent boron in the B4C powder. This corresponds to a boron-10loading in the minimum 0.10 inch thick Boraflex sheet of 0.0217 grams persquare centimeter of cross section area (0.0217 gm B-10/cm -0.1 inch).This represents the minimum areal density required by specification tobe incorporated into the as fabricated Boraflex plates. As a perturba-tion on the criticality calculation it was assumed t)gt the boron contentof the B4C powder was 70 weight percent (0.0200 gm B /cm2-0.1 inch),which represents an 8.5 percent reduction in boron-10 content of theBoraflex. Current production techniques indicate that the actualboron-10 loading in the Boraflex will be well above the 0.0217 gmB-10 value.

I y7812270176 („

3. Question

Provide the calculated change in the storage lattice k~ with a smallchange in the boron-10 concentration in the Boraflex plates.

~Re onse

The calculated change in the storage lattice k~ with a small changein boron-10 concentration in the Boraflex is shown in Figure l.

4. Question

Will there be any place in the pool under any of the proposed changeswhere it will be possible to place a fuel assembly very close to theoutside of a rack which is filled with fuel assemblies? Such a placemight be the space between the outer periphery of the rack modules andthe walls of the pool. What is the maximum neutron multiplicationfactor that can be obtained in this si.tuation?

~Res ense

Yes. However, the reactivity effect of a fresh fuel assembly locatedoutside the fully loaded spent fuel storage rack has been evaluatedfor all postulated locations, including this area. The maximum per-turbation associated with this event has been calculated to be +0.0186k.

5. Question

Provide the nominal value of the k~ for the PDQ-7 cell model shown inFigure 7 of your submittal.

~Res ense

The calculated k~ of the basic cell at 100 degree F is 0.8775.

6. Question

Provide the maximum value of the k~ that is obtained when the perturbationslisted in Table 3 of your submittal are all assumed to be in the directionthat gives an increased neutron multiplication factor.

~Res ense

The maximum value of k~ for the spent fuel rack under worst mechanicaland thermal conditions with calculational uncertainties is 0.8971.

7. Question

Provide the change in the multiplication factor when axial neutron leakageis assumed.

~Res ense

The change in multiplication factor when axial leakage is assumed is-0.00216k.

ge uestion

NRC procedures require that an on-site test be performed to verify within95 percent confidence limits,'that a sufficient number of neutron absorbingplates (i.e., poison plates) in the installed racks contain the requiredboron content to maintain the k f <0.95. When the poison plates are madean integral part of the racks ani the condition of the poison plates iscontinually monitored by surveillance tests, the NRC finds that a single,initial neutron attenuation test on the racks is sufficient. However, asingle, initial neutron attenuation test will not be sufficient for theproposed racks with the removable poison inserts. Describe how you proposeto periodically perform tests to verify, within 95 percent confidence limits,that there will always be a sufficient number of poison plates which containthe required boron content to maintain the keff ( 0.95 in the proposed storageracks with the removable poison inserts.

~Res onse

The rack design provides one semi-permanent poison assembly per fuelassembly. The poison inserts are not normally removeable and it isanticipated will not be removed from the fuel storage rack for the lifeof the rack, therefore we will satisfy NRC procedures. The poison assem-bly is locked in place by a lock bolt that cannot be removed withoutmechanically deforming the locking element. The lead-in funnel at thetop of the fuel cell location is an integral part of the poison assemblyand thus the presence of the neutron poison plates can be verifiedvisually. The presence of the neutron poison plates will be verifiedvisually prior to the installation of the storage racks in the pool.

Quality Assurance records, during manufacture, will confirm the instal-lation of the Boraflex poison material into every poison assembly. Aneutron attenuation test will be performed at the manufacturer's planton 10 percent of the storage locations after the poison assemblies areinstalled and locked in the racks. A site verification neutron attenu-ation check will be performed on at least 5 storage locations in eachrack module.

Xt should be noted that manufacturing process Quality Assurance pro-cedures and controls provide assurance that the actual BgC content ofthe Boraflex poison material is above minimum calculational levelsestablished by Reactor Physics calculation models for each batch ofB<C and silicone material.

9. gu'eseion

Will any sources of neutrons other than spent fuel assemblies be storedin the spent fuel pool? If so, at what rate will they emit neutrons?

~Res ense

Tabulated below are sources of neutrons other than spent fuel assemblieswhich may at times be stored in the spent fuel pool.

NEUTRON SOURCE

Start-up Sources

Am-Be Source

DESCRIPTION

5 Sb-Be (6-n) sources will beremoved from the core duringthe next refueling outage,temporarily stored in the pooland eventually shipped off site(60 day half-life)

1 Am-Be P-n) source; occa-sionally stored in the spentfuel pool

NEUTRON RATE — n/sec

~4xlO — 3x107 9

(each source)

+12xlO 6

Depleted LPRM'.s Upon removal from the reactorduring refuelings, LPRM's arestored in the spent fuel pooluntil disposed of

Minimum

10. Question

What will the maximum integrated neutron and gamma flux be in the Boraflexmaterial over the lifetime of the racks'? What spent fuel assembly powerdensity and burn-up, and what rack life were assumed in calculating thesemaximum integrated fluxes? What is the assumed energy spectrum for thegamma flux'

~Re ense

The maximum integrated neutron and gamma dose expected for the poisonmaterial will be 1.2 x 10 1 Rads. The neutron dose is expected to beno more than 5 x 108 Rads. For the gamma dose calculation, it is assumedthat the poison is subjected to irradiation from the hottest spent fuelassembly (gamma dose design basis peaking factor of 1.25, burnup of33,000 MWD/NT) from 10 days out of the reactor to 18 months. when thenext refueling occurs. It is assumed that the fuel assembly is thenreplaced by the hottest spent fuel assembly discharged at that time.There are 27 such cycles that correspond to a rack life of 40.5 years.Since over 70 percent of the gamma energy is in the 0 to 0.5 NEV group,1 NEV gammas were assumed, making the resulting dose estimate conser-vatively high.

uestion

What will the maximum temperature be in the center of the Boraflex material,assuming the highest neutron and gamma flux and the worst accident conditions?

~Res onse

The maximum temperature in the center of the Boraflex material assumingworst accident conditions is 247 F.

uestion

State the quantity and composition of the gas which will come out of theBoraflex material when it is being irradiated in the spent fuel pool.

~Res onse

Currently a sampl~ of Boraflex material is being exposed in the PhoenixReactor at 2 x 10 R/hr (Gamma). The gas release from a 0.5 inch x O.l inchx 6 inch sample is 15 ml/hr. The composition of the gas being re-leased has been measured as 10% 02, 15% H2, 45% N2, 14% methane, and3% ethane.

uestion

On page 9 of your 1farch 22, 1978 submittal, it is indicated that there isa poison slab which is sealed in a stainless steel casing. Is the Boraflexgoing to be sealed inside of a stainless steel casing?

~Res onse

The Boraflex is canned in a stainless steel casing. The assembly isvented at the top and bottom to prevent gas build up in the casing.

uestion

What will the chemical composition of the Boraflex be after receiving thedesign dose of irradiation?

~Res onse

There will be little or no change in the chemical composition of theBoraflex after receiving the design dose of irradiation.

Question

What is the melting temperature of the Boraflex in the unirradiated-condition?

~Res onse

The Boraflex material does not melt below 1000 F. At 1300 F the Boraflexmaterial begins to char.

uestion

Is the Boraflex going to be bonded to stainless steel? If so, what willhappen to this bond under the design dose of irradiation in conjunctionwith the design number of thermal cycles?

~Res ense

The Boraflex is not bonded to the stainless steel casing.

uestion

What will the physical properties such as the density, the modulus ofrupture, and the compressive strength of the Boraflex be after it receivesthe design dose of irradiation in the spent fuel pool?

~Res onse

Tests performed to date at greater than the design dose indicate that theonly change in properties of the Boraflex after irradiation is an increasein stiffness of the material. This change does not consititute a problemwith the material in regard to its function as a neutron absorber.

uestion

Provide a detailed description of and the documented results of a proto-typical experiment, which includes all significant aspects of the spentfuel pool situation and environment, that shows that these Boraflexplates will not become so brittle from irradiation in the spent fuel poolthat they could be broken up by the insertion and removal of fuel assem-blies or by a safe shutdown earthquake at some time in the design life ofthe spent fuel racks.

~Res ense

A continuous program of irradiation of Boraflex is in progress at thePhoenix Reactor of the University of Michigan. Various tests on Boraflexto date, summarized in the attached "Boraflex 1 Suitability. Report,"No. 1047-1, have demonstrated that the material undergoes no significantphysical or chemical change when exposed to 2 x 10 9 rads gamma irradi-ation. Additional testing of the material is documented in the propri-etary BISCO Procedure 748-10, "Irradiation Studies of Neutron ShieldingMaterials", a copy of which can be supplied on request.

The Boraflex material is fully supported in a double stainless steel canthat is vented at the top and bottom to allow any gas generated to escape.The poison assembly is a complete unit that does not provide the bearingsurface for the spent fuel. The rack structure provides this . Anydistortion of the poison box assembly is contained in the slot within therack that it occupies. A distortion will not affect the fuel cell.

All the structural analyses performed on the poison design racks assumedthe poison material had zero strength and contributed nothing to thestrength of the rack.

19. uestion

If the Boraflex is to be exposed to the pool water, state the maximumpercentage of boron oxide, B203, in the B4C. Since B203 is soluble inwater it will either be necessary to assume that this amount of boronis leached from the Boraflex plates or to experimentally show that thiswill not happen during the life of the racks.

~Res onse

The B203 content in the B4C is less than 0.75.

The Boraflex will be exposed to pool water, however, the silicone rubbermatrix of the Boraflex essentially coats the B4C and B203 particles toprevent the water from contacting it. A 4700 hour test at 240 F inBorated water has shown no leaching to occur. Even if leaching shouldoccur, analysis shows this small decrease in Boron content would havelittle effect on the rack k~ (see figure 1).

20. uestion

Describe the instrumentation and alarms on the spent fuel pool waterlevel and temperature or reference the location in the FSAR wherethis description can be found.

~Res ense

The level alarm system initiates when the water level in the spent fuelpool falls to elevation 338 feet 0 inches. The level alarm annunciatoris located in the control room and on the spent fuel pool panel locatedon elevation 281 feet of the reactor building. The spent fuel pool filtra-tion system has a low pump suction trip alarm and a low flow alarm, both ofwhich would indicate low water level. The pump suction trip alarm and lowflow alarm annunciate on the spent fuel pool panel at elevation 281 feetand the computer prints out an alarm in the control room. In addition,the computer prints out an alarm when the water level falls to elevation338 feet 0 inches.

The temperature alarm system annunciator is located on the fuel poolpanel on elevation 281 feet 0 inches, and a high fuel pool temperaturealarm is printed on the computer. In addition, there is a fuel poolalarm in the control room which can be initiated by high temperatureor anyone of several other parameters. When the fuel pool alarm isannunciated, it can be determined from the computer printout which ofthe parameters has caused the alarm, and action can be taken. Thetemperature alarm system is set to initiate at 113 F.

FIGURE

NINE MILE POINT NUCLEAR PLANT

SPENT FUEL STORAGE RACK koo

VS

BORON-10 LOADXNG XN BORAFLEXO

I ~

.89

.88(0.8819)

(0.8775)'.742-

'.149

~' 21

B Loading in Boraflex, Atoms B cm x 10

brand industrial services, inc.1420 renaissance drive, park ridge, illinois 60068, (312) 298-1200, telex 282-482

a subsidiary of brand insulatlons, inc.

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Dp") Cptn:?!-f C oiA".):.!i! ~EH oc!t t o2 il l <aT j .'t

QUAL KTY !XSU<JQ1hifC ~ ~LBOG'2i'~'-'i

t, -'" >!'(1 L! '..ci .t'1='.'pl.3.p'.v 'g ilST l;"il!".i~ipds

09't'H-l}-i(J»'5'c.lo

... L'i"i=' i!;!P. l'll "e" '.) "7 5!) r".

P,pn -K'o l.,z'. 1..'on'n", i~ Lii-5-/a0 ~

~) t)'C l: 1 < GL QV'j.'i:i/ .)0 J.;Ld'1

D i 1 L O'!1 ' ~:C I S i10 L P. lg- ) ').'a)

ig(op I f ti fjS P,,;iL",.l >)-i'; t'? Dj.e C

1.'long > i .Lp!t pD-0".1.2 Dii'

Tr'ac ."i geng. n, 1.b/in.A~C lip:1'L~~ igni'i~ AS l i" 0 ~195

Dial:-la"'"ic "pn':r all= Pg qitc D-159

01~8:L'pc~ l: i Pn l Vi i-pi.

Vp,LL!!",i. ill.:-:~.H.l:LVLt;V l'-3'i /

brand industrial services, Inc.1420 renaissance drive, park ridge, illinois 60068, (312) 298-1200, telex 282-482

a subsidiary of brand insulations, inc.

ATTA~CIII1EX~'T lPTIII"'RHK Z~GEx~G 0" BISCO NSX POLYI'ILL''77 C

Job 10472-15-78

Table XA

I'ou"s

7 Days RT

120

240

360

480

600.

720

840

960

1080

1200

13?0

1440

1560

1680

1800

1920

2040

2160

2280

2400

Duroraet;er.

62

59

59

62

62

63

60

'L'ens ile460

464

505

404

486

522

510

490

492

473

381

378

417

397

404

432

393

363

390

I".loncfa tion

70

100

83

78

86

88

95

80

82

DielectricS ~ren~ihh

540

567

560

+I

~ ~

l~ 5

C'p~,~ gP

Cp;),~ P

o~

~ ti

200

-. n.ql.Vv~+uu a a~me~ NH->

~lt ~ ~la 'fakdlL~W

L500

~~~aaeesew essa.ew«aaacse~a~astscawzrvr~vnasaaz.sea.e zavms

1600 1500 2000 . 2500 ~COO 3500 4000

ATTACHMENT 113

THBBi'4AL AGIi~JG

OP

DISCO 11SI POLYNHR AT 190 C

THL"'.O'BL AGIYG OE BISCO, HSI VOL'l'iHZ. AT 190 C

Job 10472-15-78

Duroc- te'r TGQsl.lQ E 10ÃlgQ L3.071D161QCtX'1C

SiC '".l'/i"h

37?0

4080

4560

4800

040

5160

67

64

272

263

310

261

258

247

63

70

50

73

70

5331

560

~ ~300 O(>)~C'Og

200LIES~

1

500 1000 , 1500

-IQ ''< '.2500 3C".0 4000

brand industrial services; inc.1420 renaissance drive, park ridge, Illinois 60068, (312) 298-1200,

a subsidiary of brand insuiations," inc.'P '

g

'* '-.. '. " '..Sob 3.047'.

* I ip

telex 282-482'

g IJ1fn Q~ f7 'gTaqggp

BXSCO NS.r

C G il CO~'lT 'iTS 2'iND a'cIYS."CATi CO:4DYTVOL'i

i'KPTZR HEAT AG'rNG

ATTIC:Pi!!";i4T 2

I'ISCO NS!.

C AliD E! CONTE~IJ.'S A~iID PEIYGl:CAL CO'ID'IT)013

A"''.!.'j".'I< E1HAT AQX<~IQ

70 C 150 C0 225 C

J ll:t.8 J.il1 l!.. 3

17./!

4.3

17. l,

6.3% II

17.l>% C

%!I

1 ).) C (i )( %II

TACE C)i CI

e'!o!) i~ I)

17.6 l.6. 7 'iC

2 IBO. ) i.'.!S

110CIIQQP8

nochGnge

5

noCIIGQQG

4.2

Condl. LJ.OT1

17.5 17. /! 16. 5 %C

"oni.hs

nocjlpnQc

lq. 3

noch..n~c

l;.0

noCh Blli~~C

l!.0

condJ.t~on

%EI

17.3 17.0 16.3 %C

v p.!on L !is

noCEIanpe

l:-. 2

nochc nQQ

/a. 5

nocII;-In<?c. cond'tion

C ' '!/,!.

17. l; 17. /I 16.0

noCII:In@Q

nocI18v f~~ e

nocllBn~~ c COIld)'.). i.!.Oi'1

=I i1'11 1.a'all,is ~ .'l.s. ~

i ~ si31si~illi s" Is': il~'" 'li.)l/il

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),I

(i

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~ . ~ s ~.. ~ "1 ~ ~ ~ 11 « " ~ I ~ ~ ~ ~1

~ s.,l, 'a.a.ll'a ~ .'J Isl ~ ~ ~ Ii lucille. ~ e ~ "~ ~ ~ lai~ ~ 1 'laI ss.1~a "1'1 'al" 1" I' "1 '1 .I '"i - ~ 1" ll 'I"Ii '~ ~ '» ~l ' II Is ~Il'"~ /'> ~ a'I ~ ''"

~ I ~ a I '! a ', ~ ' ( ~ r ~ Is sl ~ ~ ~,' 'I ~ ~ ~ ~ r ~ ~ ~ ' sa .Is * I I ~ ~ ~ ~ ~ - ~ ~ ~ ~ ~ ~ ~ a ~


4


Job 1047

ON

~ ~ P

rC~

Ch~4

~~

~ ~ e

' 'C it<~ ~ ~ C C ~ ~ . ~ C~ ] + '., ~

~ ~ C ~ ~ ~ + ~ ~ C l ~ ~ e ~ 41 ~

h,l,

~ 0 ~ I I

iVCTi'.CUHINT 3Job 10'/2-18-78

i!,FI~"ZCT Ol'V~.DX!<TXOtf Ois BXSCO 3<'SJ

EXPOSED TO A COP>ALT 60 SOiJi-'.C.;

Do: ~~

T.. a'fc,','cl I. Gt~isTensile

(PST.)Hlqsgi cHo(td 1 us

5g(l

516

68

55

750

938

60

/13I~ 3

i~50

50~~

553

896

8;0 1375

38 1326

240/;

3.3 27,151

S;<::nl.c: 1" z 1." Tensile Ear pulled e 10 inches/minu~"»

DosXT. ~ IIcf.;c'.1:i/ <.ss

S L:res s i. Or20% Compression

(PST.)

(%)Dynam'.c Comp. Sat

i).L 20% Comp.

0

119

/;86

206

396

652

2756 (she~ t t:Qred)

2 5%

0

0

S'~mpl 1.125" D:i.. z 1" thi.'cl; hut:ton coinpressed 20'/. ~~ 1 inch/min.

brand Industrial services, inc.1420 renaissance drive, park ridge, illinois 60068, (312) 298-1200, telex 282-482

. a subsidiary of brand lnsuiatlons, 'inc. ", * ~

r

r ~,,

4~

r

*

Jot: 'i.O~;72-7.P)- 78

jz'j."L'('t.Cli<"i"ll'>". !:-

2% l).I'JD 50"j t': C

t A. SliOZL'f.';;l(!z 1'...t",'HUfiE

,f)7" '* l.l/crt 4J

01 ii 7.0 1i (18 Gctmnt2

r!;~ >.:;.;! J.=nS!.r; OI= .',3!CW!; ""-:

PHO"":>~I!': >.'>:.I'! Gs'>.%L 'L>>0 lAT'J!'!>'.ORO»UCL>=AH'»" .ACTOi3

AN!'! A.'33 sl!i, >>:> I C.! I >3%i'! ",'I'!05

D"c mb;.r 2s t97o

/"". J -.-- ': '-"V>r ~ Ja>m S ~ si.i e'IOO(.

Broil(l In('VSi> 'Ol S>" I'Yicc. s inc ~

630 bonnie Lan(.EIi( Gro r;, il>iiIIois

D'ar Jim:

i !1~IY(: CIlc!OS J f'he SI Icon 50SO 0 C Samp'.8 tha> KYG II'I'a ias>;(i In Mare 'I

19/o. As you mcy r'.m>=mber, tII~,aaioactivity content 7/a. 'oo )Ii(3<l >'o b(.(.n'u>';i(.r. Th" -'o.',",I Iadioaciivi'y is aboui 1.85 microcvries OF primcrijy

Zil-55 which Is ev..mn" From control. 'fh"- a>"/ache(i tab>e lis>s >n.". ra('io-(ic>'!Ylty con>oni oi th s(Imp)( b(ls d U,")on ovi Oil 'tysis. Also QllclosBQ Is a

copy or" >h-" original te"t (la'ra ro rcFIcsh yovr rliemn y.

Very trv!y yovrs,

Re('.(i R. Bi,irn

R ac>or I Arnag=r

enc).RRD:jan

81SCO Siiicon -50~i~o 8 C

Somp.-'moipiSOrOPE

CON;rC1 n

Podlolsoi opB

Eiv I~)'v

177m

Co 53

(Egn 5

Sc ~!)

5o

7ll 65

Co 60

TV l82

Na 2%

l.la 1r"-Lir"o

13 yr.

lol d

~i2.4 d

71 ~ 3d

31?.5 d

83.8 d

~4.6 o

2~t3.7 d

5 272 )it'

115 d

2.601 yr.

i ~ ~

Iv'<tcrocvrto.:

7.19x 10ii

4.59 v 10

~.97 x 10

1.13ix 10"1

I.CD x '10 '

I.t5x'10'.77

x IO

I.85

3.68 x 10

I.bl x 10"

3.00 x '10

Mtcrocvri '.";IGr.".r .

''1.09 x 10'.95x 10

753x 10 'i

'1.71 x 10

I 6~'"i'./i',x 10

1.18 x 10

'.80x 10

5 58 x IG'.~A

v IGr

)l.55 - 10

lrra diction Da'c: M rcIi 31, 1976

Pedio"ciiv!sy iVtt".Qavro."ianna'otp.: Nov~i locr 2 i 1976

n~ ~

BlSCQ Silicnn -. B,iC Samples

Shor. '!".rm Irrc!icrioa

2;; a:.IC Sor.? t=s 50% '<>C S.".-,".Ol ~.-.

S w( ~ I .illc A

U~irr(" ic -='d

{2 Into."-ll)lrred i(Ir(:d{1 No';oil)

Uairrc:dic > -(.'2

ii.oich)I ~ ~!ri'4Q ICi~('d

(I 6!ntch}

a:C: Ir:. C! IG)!O",I lV',„'!('hf'<t(.I~ J ~ O

Prci I r(c'd Ici I orl.'3:;!.;-.riS!C nS (!ri)

9 y.

TlT?.

T3

'IY2V,13

L

0. 2560 ? I>'I

0.2670 3""90.31 r

0.3203.016

0.2570.2610. 2640.3!00.3100.3183. 011

0. 2730. /i30 2/cr0.3180.3210.?9(33.022

0. i730 2j'?0. 2750,&10.3230 3~83. 026

~cy l., r'i.lo 'rrca™i(I(ion

rO~ DOSe {IN/Coax)

{~om~:l:~ DO: ~

{Il(I(I'rDS

FVOa'JriorlCyl»~d=r Press.iro Build ~R(ito (PS!/llr)

1.26 x 10

1.05 K 108

0.,2

1.26 x.10 16

1.05 >: 10~

0.2

i"o.=.- >rrodi( (io~ V~'oigh," (-.;n) 5.2 7.0

P<>S( 1 I'C'(iIQIIOA

! r."..I.'I.Sinn: (ia)TlT2T'>

%Y'lfg

l.

0. 2580. 2610. 2o50.3130.3120.3183.011

0.2700. &J'2

0. 2750.3220.?:.:00 „3393.027

1;o.(,I.;:ss {f)IIrorr;~„.l'r i> o„.-

Ap Iosj( r) 35 F00

Long Terra Irra".'.iation

Tc"„P Scc: Uc n :"0"'3gC San)pl@

Prc.-lrra fic)',!or) V/ ir;I:i',a) 7.0

P;e-fn(~die)i'ion f)insensicns {i)'.g

- ~ .h

1

lI

L

flT2ld'iYl%2Yi'3

L

0.7J I

0. 2720.27 ).

0~/0.308G. 3163.020

237 I IOUr lrrad!arion

N=".Uiron Dos (N/cm2)Gan!rnc: Dose (Racfs)Ccis EvoIU?!On

Cyfircler Prcssure tlvifclupinc)t= (PSI/hr)f.lydrogen (%)O~/'gen (%)I~i I i'roa -'n (%)V")'~ox~ (%)

9 ii3) 307.13 x 30

0.2~0. 89

~p

33.7219.50

Po I Irrc:cficll'ion Wcic,nr {grn) 0,6

fire)c)liai')on D)!i)G'nslons {In)

TlT2T3V)/3

W2EV3

L

0, 2620. 2(32

0. 2~~":

0.3ll0.3010.3092. 9'i0

A(tosi

Qo"o'"'..-.l.?".X R.4?.B:: O1 ).

r)iO.(-c.g DOri.~

Demi: '.

pRgPf c1/g)7%

?~ .i (i &'s

C'/. p3 .~ .~,le,'J~'J(i Of,y~j.) cc/P LOVF li" ~ P

X)c~ L u.~,'K'-"'.'i .A ~ ~ ~ . ) ()A

5P S g>-.;!* 0 Q. j (

/ 8j g,i'//'/)i»( C~ /Iffj p p y~p(t( g +.+2 O. )',n

L,f ~ ~ I li

p /'. 8 maro(

I

P- c~.VQ ~ >. "-'~ !A l

;:..(. j)7. "~;.!mo ' i ~ r

~i-f->.' u:::.~~t VAf I in I-''2

C 3i 0 /

$ .T~N.?

Vol. l/3 i -'-- ?:: —.:.

g,hÃtlw ~l /

) f"rl"-

l3 l. 3> ~:.!i

Po

P ave

!:7.!:!8

tC3.MOX)ooj) Zion:L(1i. o.

w„„c-„-„.«.-„3 ~ a +~~

xo.."a> .!.'Lr(!e /'-)~r'>,C J.'Pi.8

.;oc ('o:L.;;-.2 cc/Op

.LCThP 7 ),)'

'l'Li;9<~c? CO'~ D ".'uc

1 F IL:" 22 Q f

j.Q3 0

3t~

r.'00

10

3

70100

GO

0000

200

aS~i- 0 S'-

V.L

T/)'I 5ii~ J [~ ,! L$ ii

,;,/c. JDc'. gP /.>< CJ /g I:/gj,"«!8:l. C:.'.V.'L C~'SQh!".! '.j"

j'l.";g'iioy":-„. U-;g<g Qlyoc j;-/)j7- ~~3''),]0 " r'f-,»//-p Jt 5-7> /, 7. r. ''c

~')'/)./ Ir'./i~a'1O "'k.~i-Z 'j-ffZ( 2 ~7?

3 P~- /.7Dr /)u l z )// / yq ..r„ /c~, g'.»

jI.

v»».g»arJ// / 15/(g= 'I3. '"/'):~'i

sin31520.',9550f

76

D,'.

4 ~$

'i5

127pl@ 7

b i')1)c. (

Cr 0 ~

1 ~

5c')

?

2 22297i5 2)';73 3) 9'a

T I!'a E1')7»'jJ 1 g<

2(>9 gyp

57) A';s/g)~g'.i,'W'>> 'J 1

l Q

BlSCO Silicon -50% B>C Sam„»t

Lone! Term l'vacl!Gi!on

Tasj Sac';u: ~ nc=" 50% B)C SampleI

t 5 ~ I I IP! e-Irrad! hon;vc.;gi!,'gm) 7.0

f i.: lriadiaiioin Dimen"j:ons (in)

TIT2T3VliVl2Vf3L

0.2710.2720.27/c0 ll/0. 3080. 3163. 020

237 l.!our lrradiaiion2

t~!evhron Dose (l~!/Cm )Somme! Dose (Rods)Gas LvoiJilon

Cy! i:l"' Prcssure Pui,ovp~ [ I

P.ale (PSl/hr)rl/droc~-.n (%)0>:yJ~tl (io)i!ibragi-.n (/0)Ii~i. i.r:;n (ig)

8.53 v 1017

7.11 x 10

0.2~0.895 93

33./219 50

Pos! lrratiiaiion!Ncicjll'gm) 6.6

Po; . i ad!ai ion Diin"-n:ions (in)

fIT2T3!,i,(I

!„A/P

V/3L

0.2o?0.2620.2CA0.?110. 3010. 3092 950

QPcc sp ~

Iiq gs:: Qt; I'„'. i- /)g f.p- . Dat'": l:.

/ I

brand industrial services, inc.1420 renaissance drive, park ridge,

a subsidiary of brand insuiations, inc.

C

I

illinois 60068, (312) 298-1200, telex

~ ~~ ~

A

Zoo .LOit7

282-482

"1 4w

g ~

.. "~C ~

GAYiYiA XRBPaD.r.lii'j:QLiS

r

's ~ '

l »

A'l. j'ACfh,V. i'») ) Jo~i J (),t -/

2-2d-7f')

/l»t'i 1 1, lg/J Os&i l>'Jh I f~R»")I) ff) ' Oi!S Ain(>Q» Ioa.v() 5003'IIO~'(» I A CL'N(VfAS(i

'.'ors(

Don ''or @ra~()cj Jncjus tria 1 r>crvicc~, inc.

ssl) I f>O'.»4: O Je(a e ( ~ s

f Oaa)»OL)tl(j

('.(f('.ct oF c„'@ma trt.lf.'i".tion on 'ilicon» rLibf)('.r

f I I'a>fjI 0 tt Oll I.QCI h t ./ — QQss. »aJ I t t rs(f! 0 a. I Oil 'F(>C I 1 a I /) 5!.fgf>a

I O» f) ~ I!()."(.a I»CS i t CLI.e'»

, A1 . 0 :c 1 0 I s1

Sar)ole Hns.

5%1 iy (hr„ri(6f I I a»CI I.G(: I Of> t)CI I OO™

J6 s.o y '7.1 /l)

» ~ is ) I(I (!i.'Ii; I I' c'I ).' o; )

Containe; I rraclillt:EO:I

LO(.<~ 'a.'I0'llI'<)„'i) 1 f3osc

I s(!(In a B(l s

f:o );I) (:Ltf)e ): 1 r'. t.' oI c>::»I cL'.I)" 1 1 t n». I 01 I (jhs. fst «'/ 5 till)

R-2

B.-7.

10.1

10'O>

log

f I»( 7 I . !C(s "IlI:ilI'<~I s. I 0 tsl I Xt'LtI () ~ 7

10j's'.~p:

"» ~ I» I pc r I 1 1 c(l >'e' (:I)I e> s I 0 tal >X(: tlt 0 1OD

al

ljl 0 I'Of: bloc!(

f', /„'!:; . i!(:iit".c(or/ l)tlr'I (. 1.

~C

~f

~f

~f

f> ~f

I<-p[s

I+i

(EO1f)i

10pr

f...».i:" 4::~ (.'Fi'at( !)Es)nf:: t:

r P) ~ af '» I» I i>esi » 1 a>b//rg'g fI'etll:f)t>'~~i) f''." "ac I'e)!»'Orf;",t)1 a) I: >OI)

f;-6

P.-()I>-6

EOJ

106EOG

EO6

O':I"i)l" ft<». c tl) '3. i) I cllcf) .''let e I ) ~ ( c )'s I l)i'( I I 1 c!;.f)t ii)r "o ini t t))(.i.)(„ ife i I'ra(If".'riot)" "n(i I::ficep(:riO(l. U:. i t«I <it) .'.C I;,CCI" L.I!:;;;Cnt:- 1:I.C i rt V.(lie".0: i."(> '(:i)sit.':ll!I I>)'ll t)V.:, ~ (!)Is)i).",LttC >!a~".» 10')1('(':.)ra'.!j5.Ct'mr i fl (l<-'s:('rli)it)infj ".II(,'!O'e I'Ccei V('('s.

!=e) rot)". S(l 1 t.",';e flos it)..it'.I".=.(I(:riltfl t:i).. i rt c".(i: f)(:io:)0 ) t.it:)C»S:fe I C: '.d j(I.Si'-':ITll I .s a~ 1 1( .'I .. i ol si

'I'I)(: ("')n)fj,.' ll) ('.I', '> )/ i ..;.1 ~ (.-,')lit oct.'(:I I I:)4,s (> Ll)".I!>: 'Vs-'I'» i'll( t'e I .'» Vt)f.'l)sile>ct:(:> I 5 I: I (: I:lt)lI.'.')!» no'.(I, lfj)i (:st"s t»: I ':ll ~ .".)»let) t. Iie a»e:til') I!' C)n s.'a) I nf. I' 'L'I('I'C'>»('l)(i(I a ~ I: s.'a) 'n(s

a

f»sil I >fj I Ii I ~ ('i)et) e I » (.I)(f f I)V I Oal'e (I(:tl('I ~ )( I nii 0>,II: I'a)el i:I( I (»tl s (: (;.I~,-.si > f I ( I)(. I Is, a) I 1 'a';s'..i>a>.,fi I ti('a .'

~ >

! ~ I a I <.(>I) f ( a'ee)'~t>II >,'.. I lit!'e I I::" I) s I ~ »'('S)! I ~ !>I'itCI'; (»)')'( ))s'')f'»ll<''()(Iir:.a1 I I (>:,I LI)" e;1 ', ', r(», ~

Ca) tl i)e Os»".ee)'s,»c.'Cl

'I,"»~s't I 1 i/Os I;I>il I '. I'a)<I.~

(je>5 (lite I l)<ji Ci) l)i: a il s.le ~ )

brand industrial services, inc.1420 renaissance drive, park ridge,

a subsidiary of brand insulations, inc

illinois 60068, (312) 298-1200, telex 282-482'

> ~ '

ill"PACkll-iRi~!7 6, P,=-'I:>Ol.-t, XO l'/-l JOB .'i0~t/-'-'8- /0 li -'l

A Px'QI .>,r>l'irl<'3: ~

C> ". Ule! Ti.:.;:('.( ('= Cl >.

'3.'g>PPC>y;! LU3.- ~ Dpi:;; (:C>Q

E.:@OS tl >'. C-'. on 13XSCO

BC33:c;l. I.C'.~C X IiGBL t:Oil >ill.CICI.'.lt<>> a~iB f;.Q3:.I.B l. >:

P-„r.!~». CCt.

J c> ~tl0 C>.t. c;OT)

'.L'c.c".:n.i.co 1. D:i.3 C.c<oz

I't't. C"3 ~3 l.3lCI'l6:.':,>. ct.L >~3'.-'S ".'C<lCl. > q Xl]C:

/b,g»:.i..t 2 >, 't "/0

o-., 1 25 1978

Ab tractsamples of B~sco I>orafleg T. Q .'LZcZmerC -'Q .7.n c. 1)ore~.te(l

E ater; olU."ci.ozl o.: L p .rio l

to allow czazlzinati:on of Lhe effect:s of sLzch izmlersion

oil 7 he 7)hyD.".cctl 7) .operti.es of: 't 11G 13oraf leg

T1.e boratoc.:7olution con '. teel of .,000 parL. per millionboron i.n the form of boric aciQ, and L a» ph ac'.justecl by

t1.G vQc!ition of "odiLEm hyQro::.icle to a rane;c o= 9.0 to

A coneta:7t temper'ature of 240oF Lva.=. main<ainGQ in

a prQHDure born ) typG tea'L) vGGDel ~

Yiea.".ureme~t of the phy."ical ci>aracter; .".tic;: 'of the material

after l.99 Qay 0f te.'t Gz'„)oc- Lzre inQica G"; a cli,,enSi oncll

Qecrea"e ba -GQ on the measure"...Gnt of t1le lo;;c'ic";e of

th; saQlple piece of 0. 93% c~n(t an aver(Le e i zlc> Gas . ofma. of ~he cegt ~ample 'f 0. 246.

The gas e~roluI;ion o.": I!Oxc7fle:~ T. ~;czc.: mca.",ure:l Llz7cler Lho

te~t condition., L;'ith a Lotal of. ~. 91 cubic inc':7G:i OZ c;zLs

c i 8 2 '')ein(f (fen'. aL QQ pe $ ..1Uc o incl'1 0 J. ~ c!mpl c Urface

arec'. AVOX'!!e ent..3.rc "dies i Perlo(t. A Ql.m3.D:I.shkng (fc~S

evol.u.'i!ion t:ren(t 1";!." (ie"~Octo(t, as eviQcncec~ by i.!..e ~acL

that 36.3G xo "Lhe tote.l gc.s!ras evolveQ Quring .t:he first('uar i: x of 'ie "ie.. 't 13er3.0(" .

J.lv' repor~ (!Ons'~1.-cu~es preliminary J":in< ings oT. a '~est..

$<xll 3.D pro(fress. 2 C3.nal report: !gill he 3.$ $ UCQ 1i).'~h

aQ( 3.Lional physical proper'ty 1'";oa UxcmenL 'l'! col piet iol»

o:F f:he Lc.lt.

Gc.n(.r a 1

DTSCO Doraf le@ 1 Deu"~ron hielQ:t:ng material wa developeQ

for Bppl 3.c 'Lion a. c! poison i 1 hicjh (t(!D$ :t.'cy spenL Rue.1

- 'tor go r .:: s ~ Tile composiKion 3.$ bacseQ ol'1 &e corn,3ina'i.3.0D

O' hVfhly 'Stable Si.liCOne elec tomer Xriih a bO: On COn-

';.vining:Ciller in the form of. boron cc!rbiQ(:. '.l.'he boro!.

concentra-'=ion in Bora~lex( 1 can ae varieQ over a broaQ

-ange; ho<eever, the sample chosen Zor speci'":ic '~es Ling

rei~re.:en";.s a boron c.rbi(te fil;1 OZ 50;. by voi(fh:..

Jhe ' L coDQi't:ioDG solec t-c(j Sil!lul<l't!e %ho: (! Qr "Je( i:OQ

1 a p'L B sg)QD L J U 1 poo 1 I UDQex c cc LQcn L col!Q ! E iol s

I llaC 3 Jg bora.t:(:(l 1)at.or pool rea( hing a ma3:imum I em (.'ra't Ul.'e

2'OP '3.'il8 't est 3.ply'th Has orl.!'J3.nc',3.3.y .'~('t o;E'. 30

c";(Iys; ho~:r",ver, has bec.n each n(l(.cl:i.n(;OR'in:i.tel.y to a3.3.ovI

con't" nuol.!., lone 'ter!A IAon." to on 'the c'2;CQC'ts 0'f: 'tha te .~

environment OQ tho j)hj8 l cal. Charac t':isties of; t!lo IT!ate".. a3.-

X 1 a(".CIl.t.".On 'LO tilCI L)hys3.cc+ 1. CharaC trcI. XstlCS I i)i .: C Voll tlo'.1

o.": tile Dora "lez saIAgl(..s vc(s monz,torecl to c".„. terI;;~ne x.,~at

c.c:Ccats that gc-.s ovolu.'ion 'Aay hc.ve on c3esir!n co:l-

.'i(lera t iona of ti!c: - 'i:orc,ge rack ~

613. t;...';t !Iexe oerForme(l aL. Tcrralai), Salt Laj;e City,a fccloral 3.y casual).f > ocl laboratory r D~~~~. io ~ 10500.

TGs't Proceclure

iA high. prossur» test clevice was constructeD, as shoIIn

in Fi<„ures 1, throucfh ., which concainecl .til'. folio:ri.r(J

Zunct.~.olla 'lv:cs:!.OnS.

1.. h, tQIA>lerature Con trol.lCCl PrQSsur l."6(! Sc!i"f)3.8

onclo ur - which 1,'oulQ maintain tile te.'tenvironIAenL. throughout the clurai:ion o.: tiltost perioQ.

2. ii ~:.ai.er col.umn .. oparator syc:toA: !,::Iici!:;oui.cl

a3.3.O(I Separc!ti.On O.!..eVOlVe(1 c!aSes fro;A the

'LU ' CilclQ'b r Vlhi3.Q IAai! I!tal,n:!.1)(3 'Li!8 prC,"Scluro

aIl(3 toliUDQrc tur('. 3. c(,:u:I.. eal(!nts in Li1(! chart.)cr .

3. Pa» Qvo17Q(3 cf .s col 16(.'8:l.on QY:(-'B:Lnc1!!(t:t.ng «

'cE!LVlc LloiEl 'I 0 c~11OL'E fo. p-.-3.'LO(:LC Crl'-'O':LCB1

QElc~ 1VS:LS

Tbc Elocr. ssrlÃg xns L3".Ll!Elc!El'Icl4 "a.on 'Lo Q11OL'1

mainL..QELQnce an(L m=Q.:E:3."emQElt of 'c.h test:

QAU.'". 0! Lm(~nt.

TllQ 'I:(3S c'. GCfL33.D71Qnt NQS Con '."LLCL'C!(". QlKl I,lcl~ nfl.in'. cL

'hQ

'.'. Q3, XQ1Qb gGQl'i TicL1((. C ~ '4V I LQbol".QPO3. ) fc~ C:L1 1. Q".

S J.. 3303: Qf1QZ 7 c Q - 't S.tlllc)1QS LEQ3. e P3. 80Q~:Q(c I ~ QACh Sc~MPIQ

b ing app3.ozima.tQ1y 10.5" z 3.5" x 0.200" '='nicf(, c.n(",

S;QEEQ mQnufaCc:u.".rlQ VCCOXding tO DXGCO SKVnla.-.(L man(L-

fQc BLEY-ing P3:occ„c1lll:('8 fot 803-.Qf1(.3: T..

1?3:io.-.. to thQ in.i..Licltion of <:0:-3 .Lest-., thQ fo11oving

|3'( lg r "LCcl1 Z')2'Og)- 3 L3. QS Of 'QC13 SrLLQ1)1(3 L'rQ. (. 3'.3( cl S L13 Q(l cL\l(a

3.-Qcozde(t.

1. N(.ig'nt

GLEVfrlCCB AXQQ

3. Vol>3mo

i).il.l(nsions bQ'iL'EQ(,' 3'Q„Ql"( nc(: f)oi31'is

GP(3C lf3(C G3. c3U's t

Th( 'tcs":. cnv'.0»m .n t cons:l.s tc(l OZ ~ k'>oritted %<cltcr

co»ta:i.n~.l.,: l7,300 parts pcr w'l:i.on oX bo ic aci.d

(Ii3BO;), ecru:i.vcllcni to 3, 000 par'i:s permi.llew.0!1

o.:

l)oron in T'Iat.":r . $ 00.:Luill hycll.oc.xQ<'. (5'c.Oh} Uris 0('cl(~R

in suf.c'.cl.ent (-uanti.ty to control a ph between the

.';ange o.. 9.0 c~.nd 9.5.

ta.'i.n. (l at a consi ant 260 I" «n(l a. m.'..1!'mini. pres."arc

oK l0.2 PSTG.

Thc Les i: 8 mples '4~cY.'e loaQQQ 1'1'Lo th p2.cssul.e tcc'i.

charlk3er, in such a manner as to.assure compli. tcsubllclrs .on of: thc samples at all times .throu(„.hour

the tcs+ . 1'ressure an(i tcmpexature lrere monitorc(l

co»tinuou'ly to clef i.ne any cl ev~ at3.0» ~crom tes tCQD(i: 'ns.

This tc.i t report covers Lhe:i.»itial periocl 02 0 to

l99 (lc y', e(„u:i.valent to 4,776 hours. "'he test l1a"

continllous except Sor thos='.»stances;1h:-.re thc

. amalCS l"ere l,">.thC":ralm. ZOr .C CVc.lu ltlOn OC )hy':i.Cal

paral!letnrS

gn3.'thai «)h QS.Leal m . BUU). ('m('.»ts 0 each o~: 'Lh.. 01.'(..:alApl cs

0 f'~o3 cl. l( v, I 1?as mal(le prio3. LO the:L»3.4;i at i.on 0: the

n: .)0::U c. tc:i .-:: i"»(1 ai (3 l.i':L(:(';I:I L.a!>l.c

l)a<ate 6)

<y<>yv) l' 'P

3!1 ')~< < c 1 +r()r<s f LQ) O'clrlg I Q l)hvs < ccgg @<<a r uremcn I S

SW.';1).r,) I):I;KXViST.(')b S ( inchc.c )

10.8 x 3.6 x 0.218

V>ASS (rr«lms)

2.)5e 41

DT'XS" (1.b/.i-"

llew.'. ~ g')

? l0.8 x 3 6 x 0.21.8 255) 58 lice 771

l0.8:I.O. 8

1.0. 8

3.6 ..

x 3.6 x

x 3.6 x

0.220

0.?17

0. 218)

1.0.8 x 3.G' 0.220

257.13

25<<. 19

257. 2:I.

l.l)'<. 417

116- 6 "/3

ll<s'. /31

lÃ<.45)3

AV(.'.':c~.<; Q 1.0. 8 x 3.6) 0. 21.9 )5 Bs ilil.6)?3

The svziglc mass was 1535.0~) Lrams (?.38lb ) «nQ totalsalfl'.:)lQ s< rf<~~CQ arQa $')as 3? 5ta 33 CI' c)pi) . Q Q n )

Physic<ll proaerLics of the Poraflex samples li~~re

mca:;urQP.. c.i intervals of 40, 80, 150 an.t 19.'3 (;ays.

Those measu):ement: intervals rer)rQSQ«t: ihe only

intcrrupti.on of I:he con.i invous t()"c. Qxl)osurc secruen::e.

Tne follO<iing <.<lblCS indiac,LQ Lhc Ch<ln<IQ O.!": (iirnensi<~nal

an(). w(i<„:.lt cixaractc)ri tlc., o.i th( T:ora).lex T. Lest

spec:imcr.s a~. thQ measurer<!en'nLerval< . Ti)Q <<i,iren.".ioncll

s'LA}yl.ll.'ty shoUn in Table X l. 3 ..:ieq>r(:.';Q! )' tive o,f:

<lir<len< .i().,al <'.heal "Q in Qach ')lan(.') )<"Over m ly .)Q som<''<.')l '.'t

overs'ta'LQ(< QUQ 'Lo 'LlM Diced.suromen t'ccu).c)ncy 1-'.Nx La t:.<)n::

on .I.On<3 L'll cl A<) K'i3.<1 L.h Paral!'.(l i'.Qr 8 . J'hl.cJ',ncs.> o - tll('am<'t)1<)s

<Ice).o 'SO<1 ov(.—. ';h('..I.'.39 <lay L<..', I: r>cr J.o<1 J.l-om p. 000 l.n<.-I) ...

<'0 0 . 00.. l.n<.l')cs ~ !<.o .).n".I.< ('::.t:>,<)n

»<I!jCI u

Vc s,l»L". TV

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I I A'. ai". apoarent pln .".oie leak. In tna hot-. o car r.e!;".corcxl-..ately 400~ 0

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":„;::Ti".,t o gas sa;i,oie analyses in percent by voiur.. ~ere as '.allo~a:. -.,':;:..'...

te- 2-':-='ay xoosure: ',. ',",:.'O.J3 ', . -: i0.27'';~''.„",'.,".: ..0-o7 „.'.::.

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The 1 "tt r cer"i=yirg "he analysis is contain d .in'poerl=ix 1 l

rThe Shiel" in@ ."a "erial contro! sarole i~as l»eich d aFter rerovaI or the

.: sa.—..pI s'".rc-.. th '"ora=ed i'ater Fol lo~ing thia 31 cays o-. exposure- Ti".es r

t~ ~ 8 I,control sa-.."Ie "elpt:ras B.o-:0 ~ounces> an lilcleas Qi 0 0'.~ oou ic '1i

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Job 1047

ATTACHMENT 8

NEUTRON 6 GAMblA

Attenuation tables forvarious Boroflex compounos.

ISCO c~>,~q Lg,;,.:; ),.i-,', I..iver„.MENT

SampleIdentification

SampleDescription Attcn'ation,

A

Gamma 1.2 MeV

Tnici:neii, AttenuationFactor, p

(in-I)

Atlenuation,A

Thickness,T

(in)

'i enaction Measurements

At tenua tionFactor~ p

(in-I)

6-2

10/100 - G

25/100 - 0"O.o/100 - A

40.6/100 - 8

40/220 —E

40/220 - F

60/100 - C

60/100 - D

SF150+150. 6

143IL/60 -1

143 11/60 - 2

176.7ILL - 3

176.7ILL - 4

6% 84C

6% 84C

6% 84C

10% 84C, <

25% 84CI <

40.6% 84C

40,6% 84C,

40% 84C, <

.0% 84C, <

60% 84C, <

60% 84C

100 mesh

100 mesh

< 100 mesh

< 100 mesh

220 mesh

220 mesh

100 mesh

100 mesh

.12 IQ

. 120 I

.1340

. 3202

.0390

. 0069

.0006

.0041

, 0073

. 0033

. 0054

.2306

. 1052

,2090

.2462

.2957

,2 IO

.2 IO

.2.IO

.270

, 135

. 135

,135

. 135

, 125

, 135

. 120

,525

.570

.525

,540

,475

0. 68

8.54

0.34

4.23

23.00

36.89

35.22

40.77

39.38

42. 41

43.52

2.79

2. 96

2. 97

2.59

2.56

.797

. 003

. 802

.772

.791

,525

.570

,525

5/0

,475

,432

,385

,420

.479

. 493

O

V3l4

I 0m U'

MOEquations: Attenuation = Transmitted Beam/Incident Beam

ApT

1/T ln (1/A)

THE UNIVERSITY OF MICHIGAN

PHOENIX MEMORIAL LABORATO Y<FORD NUCLEAR REACYOR

ANN ARBOR, MICHIGAN 4S1

~p!!7'(!II'~9>"

April 8, 1977

Mr. Jim SherwoodBrand industrial Services, Inc.630 Bonnie laneElk Grove Villcge, illinois 60007

Dear Jim:'I

Enclosed is a neutron and gamma attenuation iable for the samples you provided.Values oF the attenuation factor, p, give relative abilities to atter,vate neurronsand gammaso

Yov can plug into the formvfa

A=V'o

calculate attenualion, A, for a given thickness~ T, or the formula

T = 1/p In (1/A)to calculate the thickness required to provide a desired attenuation.

Sincerety,k&.Reed R. BvrnReactor Manager

Enclosure

RRB:Iab

brand Industrial services, inc.1420 renaissance drive, park ridge, illinois 60068, (312) 298-1200, telex 282-482


Job 10472-j.5-78

ATTACHMENT 9

The Effect of Combined

Gamma and Neutron Radiationon the Hydrogen Content of

BISCO NS-IINeutron Shielding i~tatezial

'I

brand Industrial services, inc.t420 renaissance drive, park ridge, illinois 60068, (3t2) 298-1200, telex "282-482

~ a subsidiary of brand insulations, inc.r

2

Job 10472-15-78

ATTACIBti".NT 10

The Reactor Cavity Annular

Gap Shield Design — Using

NS II material at Arkansas

Nuclear One Unit Two

HISCO Project 41006-60

W~arrant

Attachment 1047

BISCO warrants to the purchaser that the work providedunder this contract will be free from defects in mater-ial, workmanship, and title, and will meet the specifi-cations contained in the Contract of Sale.

BXSCO shall be responsible for any repairs or replace-ment caused by defective materials or workmanship whichshall become necessary during a period of one year fromand after the date of initial acceptance of the work bythis contract. If certain portions are shown to bedefective within the original warranty period, then thewarranty period on the repaired portion shall be extendedone year from and after such time that all defects arecorrected.

If any repairs or replacements are necessary, BISCO willundertake, with due diligence, to make the aforesaidrepairs or replacements within 10 days after receivingwritten no+ice that such repairs or replacements arerequired. If BISCO should fail to begin sucn repairsor replacements within this period, or in the case ofemergency wherein, in the judgment of the purchaser,delay would cause serious loss or damage, the repairsand/or replacements may be made by the purchaser andcharged to BISCO, provided the purchaser obtains BISCO'sprior written consent.

The guarantee furnished hereinby BISCO will be renderedvoid if the work is damaged by others, or if it is sub-jected to improper operation or temperatures. If andwhen'he above condition occurs, repairs will be providedby BISCO under the .normal unit cost provisions for timeand material, and only after the rework is accepted bythe customer and paid for, will BISCO extend a warrantyon the products and services.

Correction of non-conformities of the materials and ser-vices provided by BISCO under this contract shall con-stitute the entire liability of BISCO with respect tosuch work, wh ther in contract, tort, or otherwise,unless otherwise agreed to and expressly provided inthis contract.THE WARRANTY FURNISHED BY BRAND IN THIS ARTICLE ISEXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES (INCLUDINGANY IMPLIED WARRANTY OF MERCHANTABILITYOR FITNESS OFPURPOSE) / EXCEPT TFIAT OF TITLEg WHETHER WRITTEN / ORAL /OR IMPLIES, XN FACT OR IN LA'N.

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