4' -sa(2ý r7bol,

DATA CAPTURE DOCUMENTDISCOVERY AND REVIEW

ORAU TEAMDose ReconstructionProject for NIOSH

NOTICE: If Privacy Act Data box is checked below, this information is protected by Privacy Act 5 USC§552a; disclosure to any third party without written consent of the individual to whom theInformation pertains Is strictly prohibited.

Reviewers-coom p te information that applies to the document, then place In front of the document.

Name: .

Site/Facility-of-Dasta. Capture, Afi?SitelFacility Box Number:

Site That Document Applies To:

UA$El DOE Site(s)

Name(s):

Date: "- ( Io,

Accession Number:

Document Tvye:

Facilities/Process (i.e. source trmscontamination surveys, general area/breathingzone air sampling, area radiation surveys,radon/thoron monitoring,,fixed locationdosimeters, missed dose information,radiological control limits, Radiation WorkPermits, incidents/accidents)

E] Medical Dose (i.e. X-rays, occupationalmedical dose, exam frequencies, equipmentperformance characteristics)

&Environmental Dose (i.e, ambient radiation,on-site releases, on-site radionuclideconcentrations)

[9 Internal Dose (I.e. urinalysis, fecal, I n-ViVO,breath sampling, radon/thoron, nasal smears,analytical methods, exchange frequencY,detection limits, record keeping praotioes,codes, performance characteristics)

fi] External Dose (Le. ThermoluminescentDosimeters (TLDs), film badges, pocket IonChambers, analytical methods, exci- ngefrequency, detection limits, record keepingpractices, codes, performance characteristics)

LI Privacy Act Data (i.e. individual or g roup data)

[I Other

Name(s): _

MI Use document title clearly written on documentDocument Title & Comments:

A A f'-.o 9 4V AWWAI

Health Physicists may complete the information on page two of this form by checking the approprti te boxes.If a complete review is performed, sign and date the bottom of the form indicating completih r1.

ORAUT-FORM-0015 Rev 05, Effective 09/14/2004

A-

Data Capture Document Discovery and Review0l ListedSite Name El Unlisted

Overall DocueI nt Usefulness for DR [I Hijh [I Medium [I Low 0 None

Overall Topic Usefulness

0l Fapilitdes/Process 0l high [3 med. Q low 0 noneTBD Sub Toplcs Kevwords

E] Facllty/Buildlng Descriptions El containment El HLW E- remediatlon[] Process Descriptions 0l contractor [3 Inventory/shipment info El solublityEl Radionuclldes/Sources [3 dust samples EI LLW 0l TRU

l W~ast Treatment/Disposal Operations 0l feed material 0l reactors 17 workplace/air monitoringEl Chronological Info ,l -ission roducts 0l re cled urafium".

Overall Topic UsefulnessEl Medical Dose 0l high 0 mred, [] low El none

TBD Sub Topics KeyEl Examination Frequencies El collimate El photofluorographyEl EquipmentTechnlques El frequency by age El X-rayEl Organ Dose lnfo/Calculations El groupEl Chronolo ical Info. l prsonnel Information

Overall Topic Usefulness

El Environmental Dose . El high, El med.. l low [, noneT13D Sub Topics Keywords

El Environmental Monitoring 0l area El media sampling El workplace/air monitoringEl Internal Dose Info El deposition El meteorologyEl Onsite Releases to air El dispersion El particle sizeEl External Dose Info El dust samples El radiation typeEl Ambient Radiation El energy range El releaseEl Noble Gases 0l group El solubilltyEl Radionuclide Concentrations. El intake/u take El surve

Overall Topic UsefulnessInternal Doese high El med. [E low El none

TBD Sub Topics KeywordsEl Personal Air Sampling El acute El organ doseEl in Vitro . El alpha El particle size

El MDA El bioassay El personnel InformationEl Counting Methods El chronic El radionuclideEl Reporting Practices El contamination El sample activityEl Urine Analysis El detection limit El sample volumeEl FecalAnalysis . dust sample El solubilityEl Interferences F'fecal 1E source term

Eln Vivo [I group El survey[E MDA El Incident [E uncertaintyEl Counting Methods El Ingestion [E urinalysisEl Reporting Practices 1 inhajation El workplace/air monitoring[E Whole Body Counting El3 Intake/uptake El woundEl Chest Counters El massEl Other Counters El measurement units_ ]Interferences i. . .

Overall Topic Usefulness

[E External Dose El high El med. El low El noneTBD Sub opics Keywords

EL HistoricalAdmin strative Practices El acute El monitoring equipmentEl Dosimetry Teclnology El beta dose El neutronsEl Dosimetry Calibration El chronic El organ doseEl Workplace Radiation Fields El correction factors El personnel Information

El criticality E photons[E. detection limit El pocket Ionization chamberEl exchange frequency El radiation energyEl exposure El skinEl film. badge l source termEl gamma dose El surveyEl geometry El TLDEl immersion [E uncertainty.E inciden~t

E Overall Topic Usefulp6ss

[E Endiiy'Eunployeo DataoE n a high El med!. El low El none_0 Individual Infonmiao ri .. . .. . 13 .Grou [nformatloh '. ".. .. .. . . .. .

Complete Technical Review Performed by: - (Health Physicist) Date:

ORAUT-FORM-O01 5 Rev 05, Effective 09/142004

M uI'N (.hOD ,CI EJ- -ICL1 ~ JK

D- . A.

04 ~ ~ . .~ru. 17 96.. v a daiar--ct4omo h

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axft6"ý~cmbe -per 2 196arC4mlim

Ifz~tbr Dwv If pmeses daf Indgicationg 4xoas-a* vrm

anOain ~.ramoitatm &7 90 t rwtxe.~ r"a~ cInr~~tegra df tbbotm ~LiduptW In psragrai*a per~) %I of Air. bad4*,sartlatital 96aOws ito the eAps"r amf zIqaujidu4d inm thabatir?wosrkdati~ torms jobs~ 2hin atbeinde aUe voice. Pbrti6T,,

E~# o texpaait-wba alwbe.e n ealau ation tb S3D

z1~ting ~at t i tbog Cisin~ onte pe t 41q~ ýwd:~e iJ f 4;at 5U40 e bor o*, oti~ prt. or otewie '"i~ , 'V

cotraenn$ rmts dIn napat con centrationsiz.es ft *.1kakt Wla. oabstid. The 4dMAt rpresente im foreda-

fert t~t&m quw+Ars of~ 196D. Th thoe veak icex wruthsh~0? aiom.jbsI the" wexe-no acted OM ek ar to a artd1,ty) lat Te f sigres lvave been cazed ntthe basis ctf ed~adawtt im fob r weach ivndto 1ividua moe vasio 0 &~ azwdl $or-:.i9

the ote n~umbera of men n t. Oring fhorcs ee fo 160ha

~~~~QW1,~~~~~~~~~ 00%v r o ac lt d ov o rs t ny p * ~ ~

the 0ý1040h je hoir~z'et ~e n~~d iut~

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Total.

.56 57 657665

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* V. ~ ~V.-.t~'-

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10.8

28. ~

ZL.~25.~

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34.i76,ý-6.50.5(2

I ~

F•.. Ii. L. Pric.--

As would be expected, overexosures are sporadic and can beClosely correlated id-th new or revised p&bt operations.

In the period from week 10 to 26, I959, a new operation vas-be.ng devae•ed, the star• p of the pellt faeifty. •B waga,cQ:iplte7 eWMi- ti involving .a process somewbat dirferentf"yW.Parevdus Practice. Initial traldnsg opera1*ims *hved -minorOa* SUoM5uSe which were corrected as training progressed. It vebetiuved that the RAmOr p•rblems had been solved, at leapt for awelatie7- low production rate.

At this time we Also undertook our first sizeable quantity offtUY enrid•ed metal. ISere, again, on&I minor overexposures wereObserved and these wer e1limiated by improved training and practiceson the Part of the operating personnel.

Six overezxposure over a six week period resulted In the blending(c~OPIting) facility during this t-i.. These were caused. by de-fecrtie doors on the duet enclosures and were eliridated by the repairof the equment. No recurrence has been observed to date.

In the period from weeks 1 to s, 19W, overexpos••ws wer againobserved In the pellet facility, this time in a perlod of very highprodction rates. It Is betlieved that the practices which bad beenaedsqate at ow levels of production were not entirely. suitable forseven day operation at a high production rate. To correct this ait-ustIom the, entifre press. feed process was modified to eliminate aportion in .hich dust generation was hlh and containment Us diff1iut.

.t this time a new ceuteriess grinder had recentl7 been iustaled andit was discovered that entrained grinder coolant fluid was discharging

-aim radioactive material into the open cir space. Instatlationof a nea dust enclosure on the grinder, as well as a new dust enclosureon the number two press eliaminted further overexposures in this area.

In the period from weeks 2D0 to 24, 1960, we encountered the mos tdifficult airborne dust problem in the history of the plant. h•iproben was primari3y concerned with the operation of the high enrich-ment metal facility at a very h1gh production rate. The practiceswhich had been deeOloped at, low production levels on a five day weekwere fouhd to be inadequate and a great amount of effort was requiredto reduce airborune dust levels. In a first attempt to eliminate theproblem, additimma makeup air was supplied to the room by Increasingthe speed of. the air rupply blower. Ibis did not result in satisfactorylqovneand a larger motor was insta2.ed which allowed the blower tobe operated at its maxim rate. When ibis did not result in satiefact-ory &ar velocities Into the dust enclosu-es, an opening was made in theroof of the building and m additioal. makeup air supply was installed.The air velocities at the face of the dust eclosures were raised froma minium= ef 100 feet/=in. to 150 feet/mnm. In addition to the increasein face velocities, a new hood was instaned for closing and purgingmetal reduction'bomba and for pickling metal biscuits. Improved handlingpractices ve developed sudh as +be elimination of certain weighing

M+ H. L, Price-

operations wbI had been pertobmed in the vrkl-g aroa;. AU bot-.vere Washed on the catside before- th wre" brought fr"= f•e d .. .. -•"-Into the wrking area, and housekeeping was Improved.. The nir. erwwas met mopped at. frquxent Intervals, Jacludiing the Afloo&fr, oe"ea,pipes and duct. work. The air supp1y ducts "re Opened and vot adp 'pedl.i. to iaae to 2,ew daft vhleh aeotay had ezatr ppd al.orne, .

sod," mt•ter±.l T"zo the recycle amr. shot evelopmint ft thie", .-.MAwd 4budf irAtions did not occur asltauaiy and a consAdorable peWas; re-qaIred to modify, test &Mt re-.modlfy. .0sp roveens in protess arsttil b-oing ade to further reduce airbore dust concentratiols in th..:

dhue problem was further aggravated by the simultaneouS &ArtuP Ofa facility to mnwfacthre e hIoh enriched ta -shot- t.-. it b•+...noc•ssagz to detemith iuvedh of the two Proh•emes was contrin.utiitmtheUI taor portion of aintorne dust and eliminate I•u risor Pta p . .ca mm1tion from that. soure. Mren the second process 'VA idEtig. M.to d~termrn*n necesary changes in that process. provegs diariges beow

inclu•ded the sof a bao d operated press it a hood, inLth.ation of aleves In a dry box and prevention of reMoal Of 4Mflt&M!mteWtdbottles Into the workIng areai. A codxitinuzg PrMgra% Of reduictiona of t-g Airborne dust in in effect in this area as von l as in the meal a•r a•

On e oeremosured in the imv-e of August Is, 1960, resulted ofr- thesaoplrng of slag from metal reduction by a sh n r employee in a rMA.i. T .not consistent iith approved practices. • i•s Incident was not r a.aii-td. j

It nust be pointed out that the overexpo~eS noted pertairl to Ordy *

a nal portion of the working force at the Hmatlte Plant. ALt the peak.of operatia *fme 105 persons were 16 oayed In the plant In variouspos-itions and these overexposures occurred to a maximim of 18 In thewee ,.

of o9 3d2 1960e.The dust concentrations reported are, of courses, calculated nubet'

based on tests performed in the area and on the number of hours wor1pe din the area. So credit allowanc, bas been miade for the axe of protect±IVe't<equipment, thich is supplied to the working force. It is c~ow= rctcfor -operators to veow a dast mask even when the operation Is conf-Ined -taahood. In this v"the ar aastuhllyIns-pired has a s•melIratlower. - -a.

bem@ usht concntration than -the calculated value. Table =: shaft theresul~ts of urine analysis for 1,6 of the 21 persons overevposed In theperiod of ft mid June 196D. Th. rataining 5 were not aMpled duringthis period. Of the 16 that were sampled., only 5 showmed a significantincrease in arbne ontent. More complete urine data in the appendixehaos that subsequent urine analyses returned to a normal level withina very short time.

t ••••+

,,-9.+

f~ZA. ~

TA-ET- II--Urinxe Analyses for P~ersonnel OverexcposedDuring the. Per~iod of' &y-Jimne 1960

OporaEtor S~ple flat.

F

Vz

BBFT

JJLL

NN

6/2-7/60A-6/6o

5/16/60-5/;6/60

6/20/6o6/27/605/16/606/01/60

5/316/606/27/606/27/606/1-/606/27/60

222'92

.61k

013

.24,

0o716426361

28

Additional data are presented in the .ppendix. Table III isthe copplte exposure history9, by operator for those overexpose§d

if 19,9.. Table IV is like infomat-ion for 1960. Table V is thebiological analysis for uran-im in urine for 1959-1960. It isbelieved that at least a few of the high urine analyses resfiltedfrm pbsical contamination of the sizple during collection sWinda recheck revealed no sigi-ticant uranium in urine.

We: hope .th,.s report maets 'with your approval. If you hav.an comments or .qestixonsp please do not hesitate to get in touchwith us.

Very truly yours,

WALINCMW~DT QI01ICLL WORKSNuclear Divitsion

FZ/ute5); Ct4tý

Frank Zeitlin

cc: Manager, Oak Ridge Operations Office

INTEMR'TED ~A3tW% UW3*ZE( W$T ..*. -%'

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• D

TABLe III (Continuvil

INTEGRATED AIRBRN UR&NIU$ 1Mg3 _MTOSRE

?IicRoqU1UE PER MIL;fl.TM~ .z

HOEZD ON L OUS1?RWEEK

?IARG 3D mRCU0m IflE 28, 1959

NAME 14 . 15 16 17 180 9 20 21 .22 23 ) , .,

A 1.6 1.6 1.6 1.3 1.6 1.3 0.9 1.9 0.8 1.3 0 0 0B 0.6 5.3 1.9 1.6 2.5 0 0 0 0 0 0 0 0Qc 5.? 3.1 4.7 .6.0 5.7 2,.2 0.6 0.9 019 0,6 0.3 1.5 i,D 2.2 1.9 2.5 2.8 1.6 1.6 1.3 0.3 0.9 0 0 0E 5 0.6 0 0 0 0 0 0 0 0 0 0 0F 1.6 1.6 1.3 2.2 2.2 1.3 1.3 1.6 0.9 3"5 0.9 2.3G 2.2 0 2.2 1.9 1.9 0 0 2.2 0 0. 1.3 1.1 4 1.H 1.6 1.9 1.9 1.6 1.3 1.6 1.3 1.3 0.6 1.3 1.6 1,5 2.)I 1.9 4.7 1.9 1.6 1.9 1.9 0.6 1.3 0.6 O.6 0.3 1.l3 1.AA 0 0 0 0 0 1.3 0.9 1.9 1.6 0.-w6 1.3 t.5 '.'4 6.9 0 0 6.9 4.4 0 0 0 0 0 0 .0 0K 1.9 0 2.2 0 2.2 1.3 0o3 0 1.3 0 0 0.5 .L 1.9 6.3 4.7 5.0 0 0 4.1 4-4 I.i 1,6 1.6 1.8 is

1.6 1.6 0 1.6 1.6 1.3 1.3 1.3 0.6 1.6 09 "- 2.4 0N 1.9 1.6 1,6 5.7 6.6 1.3 1.6 1.9 0.9 0,.3 0.9 1.5 1i.EB 0 0 0 0 0 0 0 0 0.03 0,.9 0,3 1. 2,.20 ,.] 6.6 0.9 2.2 0 0 0 0 0 0 0 0 0cc 0 0 0 0 2.8 6.9 0.9 1.3 1.6 0.9 0 0 0

p 2.2 2.2 2.5 2.2 3.5 1.6 0,9 1.3 1.6 0.,3 0 0 0Q 2.2 2.2 3.1 3.9 2.2 2.5 0.9 0.6 i.3. 0.o6 0,6 1'8 * .

S 1.9 h.I 1.9 1.9 1.3 1.9 0.9 1.3 0.6 0.6 0.6 1.2 1.,DD 0 3.5 5.7 5.3 6.0 1.6 0.9 0.9 0.6 0i 0..3 0•. 1,.

1.9 1.9 2.2 1.9 1.3 1.9 1.3 14. 1.3 0.9 0.6 .2 0.T 0 9.1 50 7.2 3.1 0.6 245 1.-6 l.6 au.6u 6.3 6.9 4.1 6.9 57 1 .b 0 0 3.- 1J 2 -2

6.9 2.5 1.3 is 1-.6 .1., 3. ..0 14. .. 8- .J,,1.9q 14. 29 3.3 b. . , 19 190 5

V R . "

T~;L~ II(ccOntinued).

..... .~ ~ ~ ~ - -!F'- o .. . NFW: -?

MWft~ 31D. !MOWI JWSM 2ý42 10ýO

mm 14 15 16 17 18 19 2 2 2 i3:, 22,. 2 26,

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6.95.71191.6

2,82.21.9

6.05-71.31.9

0

7.92.52.2

4*.71.33.12.2

3.10

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0.60.

0.62.2

1.36.91.61.6

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4,t

I?(TMURTED AIZW0RE UPARM DUST EZQct11

mi-POCRomms Po MLIT-Ell' x 10

BASED ON ,4 _IU~ RW

JM2 RUGHP 2 721ý5

NAE27 2829 33132 33, 1 35 3ý6 3-7A 1.7 1.8 2.1 2.0 1.7 1.2 1.3 1.8 0.6 1*- 1.3 1) 1.c 1.2 0.9 1.6 1.5 0 0 0 1.8 1.3 0.6 1.3 1.2D .1.5 1.8 1.8 1.8 1.8 1.14 1.5 1.8 1.8 i.5 1.0 1. 1.F 2.0 L.4 2.4 o 0 0.6 1.2 1.0 1.2 2.0 1.5 1.0 -G 1.6 1.8 2.0 1.3 1.3 1.0 0.7 1.8 1.8 301 019 1-A 2.,H 1.0 2.4 1.6 1.4 1.2 0.8 0 0 2.1 1,1 1.0 1,6 1,,I 1i0 0 0 1.2 1.4 0.8 0.8 1.2 1.2 1.2 0 1.0 1.AA 2.h 2.1 1.7 .0 0 0 1.1 1.5 l i 2:.K o.5 1.1 0.6 0.7 1.0 1.03 1.2 0 0 1.0 1.2 1.L 1.5 1.2 1.8 2.0 1.9 1.4 1.3 1.5 1.8 1,7 1.2 0.7 1.0 - 1 1.5 2.2 1.2 2.0 o..8 1,1 1.2 1.2 2lo 2.2 1,14 01;8 1.6 1.3 1,0 1.2 0.8 1.0 1.2 1.2 0.8- o-4 0 0BB 1:0 1.1 1.2 1.3 1.3 0.9 0.7 0 0 L,0 0 1• 1.'FF 0 0 0 0 0 0 0 0 0 0 0 1.0 10.cc 1.1 1,2 1.2 1.2 1*4 0.8 1.o 1.3 1.2 0.14 1.0 1.2 1,.P 1.5, 1.7 1.8 1.8 1.0 1.5 1.8 1.8 1.5 1.8 1. 105 1.Q 1.5 1.8 1.8 1.8 1.8 1.1 1.5 0 0 145 1.o 1.45 iR 0.9 1.2 1.2 1.3 1.4 0M8 0.9 1.2 1,.2 1.0 0 .0 (DD 1.. 1.2 1.0 1.0 1.2 o.6 0.6 1i1 1.0 11* 0I o 0.8 L.S 0.5 1.4 0 0 0.8 G.14 1.0 1.1 1,0 04 0.4 0.* 0.T 1.2 1.8 1.8 1.8 1,6 0*5 0.9 1.0 1.0 04 0.5 O0T 0.u 2,1 2.0 1.8 1.8 1.8 0.8 0.9 1.7 2.2 1. LA 1.1 1.. 2.v 0 1.7 2.C 1.9 1..7 1oo 0.7 1D 1S 0 1O3 0,F. 06.W 3.1 2.h 2.1 1.8 1.5 ao? 1.0 !A 6A 0.h .1,1 148 0 1.l,x 1,2 1.2 1.2 1.2 0 0 16Q 1,,.3 0.9' 1.2 .8,J: O " ..

2.0 1.? 1.9 1.2 1.3 o.14 0,6 1.0 1.1i 0o 046 1.3E2.0 0 0 2.4i 2.-4 1., 1.2 2IV 2.5 1.0 2.0 2.0 I.z 2.0 2.3 0 o 2.0 15 L-.. 2. . . 2.-4- 2z.

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INTEGRATFD ADI0MEM URAKMIDUM ST PZPOSUR

.ICRU...S M TERK X104

ROSD ONl 40J HOul's FMSMYIMER 28, 1959 TMM-M JAW~AMr3m. 196

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2.82.11.11#21.81.01.61.71.01.21.600

0,80

2.141.20

1.80

2.,h3.71.81.81.21.0

2.13.

1.12.01.0

1.21.80.81.82.4

0.62.b00

1.20

2.h1..00

1.80

2.40.71.81.81.10.60.61.9

2.81.61.21.21.8i.12.42.701.b

1.400

1.40

2.80.80

2.10

2.84.22.31.81.40.70.5

3.o2.01.31.81.81.22.141.21.21.31.200

1.42. 52.01.41;80

2.014.01.81.8

0.

02.01.3

2461.21.21.21.2

2.40

2.4I.h2o72.41.61.!51.80

1.4

1.81.81.40.804660

1.,21,81.31451.81.01.22.01.21.42.140

2.41.142.22.31.41.21.80

1.22.40.91.8

.141.2?

1.81.0

1.51.32.141.41.2I.$00

1..3

2.2

0*.800.90,90.60490.900-.0.60,61.01.0

01.204,62.20.90.61.00.9

0

1.8

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1,01.21.21.2h

1,8

1.2l1i.i'44

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1,69

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V - 2.7 2.1. 2.5 2. 3.3 40 2.1k a. O.$, F.A1N ' 0 .

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