ML20070U020

Twenty-Sixth Progress Rept of Texas A&M Univ Nuclear Science Ctr,1990

ML20070U020
Person / Time
Site:	05000128
Issue date:	12/31/1990
From:	Feltz D TEXAS A&M UNIV., COLLEGE STATION, TX
To:	Beach A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
NUDOCS 9104080063
Download: ML20070U020 (9)

Text

. r 7 TEXAS ENGlN EERING EXPElllM ENT STATION 7.- , TEXAS A&M UNIVERS!TY cNEGE STAfloN.1EX.AS MCG35M ' [

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27 March 1991 UCLEAR S lENCE CENTER 409 845-7651 Mr.: A. Bill' Beach, Director Division of Radiation Safety and Safeguards hk __

' O.S. Nuclear Regulatory Comission "J Region IV g g gggj

' 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 "~"~

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Reference:

Docket No. 50-128 Pacility License No. R-83

Subject:

Submittal of the NSCR Annual Report for the Period January 1, 1990 - December 31, 1990 l

DearMr.' Beach:

'In 'accordance with the reporting requirements of Technical Specification 6.6.1 for

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the Nuclear ~ Sci, .. e Center Reactor, Texas Engineering Experiment Station, Texas A&M 2 University System, . bareby submit three copies of our annual report for the period of Januaryci. 19W - December 31, 1990.

Sincerely,

' Donald ' E.L Feltz

Director,

'DEF/ym-a i

-Enclosures

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/ g\\\ if c b h 0 0 0l RESEARCH AND DEVELOPMENT FOR MANKIND

r-4 PIrm AEC-427 tt. S. ATOMIC ENERGY COMMtMilo

,g[$ UNIVERSITY-TYPE CONTR ACTOR'S RECOMMENDA'lON ron

. DISPOSITION OF SCIENTIFIC AND TECilNICAL DOCU: 1NI (See Instmet!0ns on noreru Side i

1. AEC REPORT NO. 2. TITLE Twenty-Seventh Progr'ess Bepsrt of the P OB0 14207-23 Texas Engineerirs Experiment Station,

3. TYPE OF DOCUMENT (Check one): tex 43 A&M University System, Nuclear Scien;e Center O e. Scientific and technicai repori O b. Conf erence paper not to be published in a jourect:

Title of conf erence Date of conference E sect location of contorence _

Sponsoring organlistion (E c. Other (spuiM facility Laurt l Prorress Peport (1 950 )

_ USNRC License P-M . Docket NL ,1f1 128 4 RECOMMENDE D t NNOUNCEMENT AND DIST RIDUTION l Check oneh

@ e. AEC's normet ennouncement and distribution proceduret may t.e f ollomo O b. Make evellable only within AEC and to AEC coatractors and other U.S. Government egenenes and their contractors O e Moke no ennovac ment or diiiribution -

5. REASOt, FOR RECOMMENDEO RESTRICTIONS:

6. SUBMITTED DY N AME AND POSITION (Please print or type)

Donald E. Feltz, Director OrganIntion Nuclear Science Center Texas Engineering Experiment Station Texas A&M University System signature 4 g j, oste m&0(gEJJ 3 27lU _.

FOR ACC USE ONLY 7 AEC CONTRACT ADMINISTRATOR'S COMMENTS, IF ANY ON ADOVE ANNOUP. CEMENT AND DIST RIDUllON

• RECOMMENDATION:

B. PATENT CLE ARANCE:

O a. AEC potent clearence has been grented by responsible AEC patent g+oup O b. Report has been sant to responible AEC patent group for clearance C c. Patent clearance not required,

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-INSTRUCTIONS Who uses tids Formt AEC contract adndnistrators will using the operations ollice code shall complete designate the AEC contractms who are to use ibis Form, the report number by adding the identifying Generally speaking, it wdl be used by educational institu- portion of the contra-t number and a sequential tions and other "not for profit" institutions. AEC National number, e g., NYU 2200-1, NYO 220D 2, etc.

Laboratories and other majur contractors will generally use Subcontractor tepmts shall be identilled with the longer Form AEC 426. the r ide used by the prime contractor.

When to use tids Form: AEC contractors are required item 2. Give title exactly as on the document itself, under their contracts to transmit specified types of docu.

ments to the AEC. Some, but not rdl, of these are item 3, if box c is checked, indicate type ofitem being transndtted by AEC contract administrators to A[C's sent, e n, thetis, tiandation, etc.

- Division of Techical Information Extension (DilE) and may be incorporated into AEC's technical information item 4. The " normal announcement and distribution documentation system. Types of documents which will be '

pr ocedur es" for unclassified documents may trantmitted to DTIE are identified in instructiom which the include abstracting in " Nuclear _ Science A b-contractor receives from his contract adtninistrator. Each stracts" (NSA); and dntribution to appropdate such document is to be accompanied by one copy of this llD.4500 (" Standard Distribution for Unclav

' transmittal Form recom nending to DTIE appropriate an. sified Scientinc and 'lechnical iteports") ad-nouncement and distribution of the document. Documents drences, to ht arles which through purchase of which the contractor may be required to submit to the microfiche maintain collections of Al C reports, AEC under his contract but which are not of the type to be and to the Clearinghouse for Federal Scientific transndtted to DTIE, e.g, contract pioposals, should z r ot ik and Technical lnfonnation for ule to the public, accompanied by a copy of this transmittal Form. Check 4b or de if there is need for umiting announcement and disuibution procedures de- b Where to send this Form: Send the document and the scribed above. 'the nonnal expectation is that attached Form AEC.427 to the AEC contract administrator there should seldom he a necessity to cheek 4c.

for transndttal to DTIE urdens the AEC contract admini-strator speci0es otherwise.

Item 5. II db or de is checked, give reason for reconunending announcement or distribution llem Instructions: reshictions, e.g, " preliminary intonna tion",

" prepared primarily Ior internal use", etc.

Item 1. The first element in the number shall be an AEC-approved code. This may be a code which item 6 Enter n.u ne of pcison to whom inquhics is unique to the contractor, e.g. MIT, or it may conectning the recommendations on this Form be the code of the AEC operations office,i.e , may be addreued.

NYO, COO, Ollo,100. Sl(0, SAN, Al O. Ill.0, a NVO, he contract administrator will specify item 7. Al'C contract administrators may use this space the code which is to be used, to show concurrence or nonconcurrence with the reconnnendation in item 4 and to makc he code ihall be followed by a sequential other teconnuendationt number, or by a contract number plus a sequential nurnber, es follows: (a) Contractors item 8. AEC ,cnntract administrator or patent gmup with unique codes may complete the report repretentative shouhl check a, b, or c, and number by adding a sequential number to the forward this Form and the document to:

code, e g., MIT 101, MIT 102, etc.1 or they may ,

add the identifying prtion of the contract USAEC - DTIE number and a sequential number, e . g. , F. O. liox 62 AllC 21051, AI1C 2105 2, etc.;(b) Contractors Oak Itidge, TN 37830 GPO S i e - I ff ?

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[ TWENTY-SEVENTH PROGRESS REPORT 0F THE l TEXAS A&M UNIVER5iiY NUCLEAR SCIENCE CENTER I JANUARY 1,1990-DECEMBER 31,1990 l CONTRACT DE-AC05-76ER04207 Y

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. NUCLEAR SCIENCE CENTER

's TEXAS ENGINEERING EXPERIMENT STATION 2

ENGINEERING PROGRAM <

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TWENT Y-SEVENTH PR00RESS REPORT of l l

TEXAS ENGINEERING EXPERIMENT ST ATION j TEXAS A&M UNIVERSIT Y SYSTEM NUCLEAR SCIENCE CENTER Facility License No. R-83 Docket No. 50-128 I

January 1, 1990 - December 31, 1990 Prepared by i i

The Nuclear Science Center Staff I Submitted to l U.S. Nuclear Regulatory Commission and U.S. Department of Energy

., and The Texas A&M University System I By D. E. Feltz, Director Nuclear Science Center Texas Engineering Experiment Station College Station, Texas I

I March, 1991 I

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L Table of Contents F

L Page I. Introduction 1 II. Reactor Utilization 2

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A. Utill ation Summary 2 B. Utilization by the Texas A&M University System 5 C. Utilization by other Educational Institutions 9 (U.S. DOE Contract, #DE-FG07-80ER10732 -

I Reactor Sharing)

D. Utilization by Non-University Institutions 12 Ill. Reactor and Facility Operations 14 A. Changes Pursuant to the Requirements of 10CFR50.59 14

1. Changes to the Reactor Systems 14 Shim Safety Potentiometer Replacement

2. Changes to Experimental Facilities 14 Real-Time Radiography Capabilities with Beam Port 4 Changes to the Thermal Column Shielding I Beam Port 1 Sa fe ty I'nprovements

3. Changes to the NSC Facility 15 1 Addition of a Volume Meter to the Liquid Waste Holdup Tanks

4. Changes to Standard Operating Procedures (SOP's) 15 B. Reactor Maintenance and Surveillance 16 F C. Unscheduled Reactor Shutdowns 17

I D. Reportable Occurrences 18 I Reportable Occurrence No. 90-01 Intermittent Loss of Signal to the Linear Power Channel IV. Facility Administration 19 A. Organization 19 B. Pe rsonr.el 19 C. Reactor Safety Board 22 Appendix I Description of Projects Utilizing 'ne NSCE Appendix II Publications, Theses t..0 Papers involving Use of NSC Facilities From 1976 to Date Appendix III A Listing of Educational Institutions, Industrial, Government and Medical Organizations That Have Utilized the Facilities and Services of the NSC 1

Appendix IV Texas A&M University Departments Served by I the NSC During Twenty Eight Years of Operation Appr-dix V

! Environmental Survey Program, Effluent l Release Summary and Personnel Exposure Summary l 1

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l List of Tables and Figures P a _c e Table I Reactor Utilization Summary 11 Table II Academic Use of the Reactor 8 I Ficut es 1 Yearly Reactor Operation 3 2 Reactor Operations Organization Chart 20 3 1;SCR Administrative Organizational Chart 21 I

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I i I. INT RODUCT ION The Nuclear Science Center is operated by the Texas Engineering I Experiment Station as a service to the Texas A&M University System and the State of Texas. The Nuclear Science Center provides services to researchers and/or faculty from Texas A&M Universit y, other college:

I and universities, government agencies and private industry. The Nuclear Science Center is recognized primarily for providing radio-1sotopes and other nuclear irradiation services for research, academic, medical and industrial applications and as a teaching and I nuclear training facility. The facility operating license, R-53 hr u h !a h, 2003 l This report has been prepared by the staff of the Nuclear Science l Center of the Texas Engineering Experiment Station to satisfy the )

reporting requirements of Technical Specification 6.6.1 to the i facility operating lice"se R-83 and of U.S. DOE Contract

1. DE-AC05-76ER04207 ( formerly E Y-7 6-C-05 4 207 ) and 10CFR50 59 The l

'g report covers the period from January 1, 1990 through December 31, 3 1990. l Total operating hours of the reactor increased over 1989 values. l The total experiment hours were much higher than 1989 with an increase  ;

in sample irradiation hours. Irradiation experiments continued to ,

increase and there was a decrease in irradiation cell and beam port i experiment hours compared to 1989 I to the unavailability of the beam ports during upgrades that were being performed.

Beam port utilization was down due Commercial utilization and the number of tours decreased slightly, i

I Core VIII-A, -

ich has been operational since March 1986, was used throughout '

. Pulse operations were continued at a low level I in 1990 with a r executed.

formed 3- a

.1 of 30 pulses ($43 15 total pulse reactivity) the previous few years, pulsing operations were per-

_y for calibrations and laboratory demonstrations.

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Inere were no changes made to the site area during this reporting period and no changes were made to the security or emergency p]ans. l A license change to R-83 was approved this year which modifies  !

the NSCR line management structure. The NSC Radiation Protection )

Of fice now reports directly to the Deputy Director of TEES and works ,

I in cooperation with the NSC staff. ]

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II. REACTOR UTILIZATION E

A. Utilization Summary Utilization of the NSCR for the 1990 calendar year is l illustrated by Figure I and Table 1. Figure I shows the annual totals for reactor operation for the years 1975 through 1990.

3 During the present reporting period the NSCR was utilized by over 400 students (including 17 researchers) and 32 faculty and staff members representing 15 departments at Texas A&M University. In addition, " lore than 180 faculty and students from 15 other edu-cational institutions used the facilities and 2,998 visitors were registered during 1990. A total of 17 non-educational organi-nations utilized the NSCR during the year for their commercial and research applications.

During twenty-nine years of operation, the NSC bar- provided services to 47 departments at Texas A&M University, 115 other colleges and univer sities, 107 industrial organizations, and 27 governmental and medical organizations (see Appendix III and IV 1 for- listings) .

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TABLE I

[ REACTOR UTILi/ATION

SUMMARY

1940 Annual Total

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oNumber of Days Reactor operated 253

{ Reactor Operation (MW-Days) 112.658 Number of Hours at Steady State 2812.451 Average Number of Operathg Hours Per Week 56.249

{ Total Number of Pulses 30 Total Pulse Reactivity Insertion $43 15

Number of Irradiations 652 Number of Samples Irradiated 9739 Sample Irradiation Hours 76,170.094 Average Number of Irradiations per Operating Day 2.577 Irradiation Experiment-Hours 9458.164 Beam Port Experiment-Hours 238.45 Irradiation Cell Experiment Hours 26.814 Total Experiment Hours 9723 428 i Fraction of Utilization Attributable to Commercial Work Number of Visitors 34 P998

• Note: 50 Weeks of Operation Available The NSCR was converted in August 1968 from the use of MTR plate fuel to TRIGA fuel with pulsing capability. Since the conversion both Standard TRIGA and FLIP TRIGA fuels have been used and at present the NSCR core has a full FLIP TRIGA loading. Since the initial use of TRIGA fuel the total energy produced by operations is 2,037.883 Mw-Days.

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B. Utilization by the Texas A&M University System During 1990 the following personnel from various departments at Texas A&M University used the NS B for research. Appendix I describes some of the projects com- ced.

Animal Science Faculty: Dr. W. C. Ellis, Professor Students: L. Cabello M. Hill G, Stout l

Anthropology Faculty: Dr. D. B. Dickson Student: G. Fox Center for Chemical Characterization and Analysis (CCCA)

I Staff: Dr. E.

Dr. D. James, Research Chemist Schweikert, Professor M. Raulerson, Technician Student: R. Betts Chemistry Department Faculty: Dr. M. W. Rowe, Professor Dr. C. Martin Student: C. Brumlik Geology Department Faculty: Dr. T. Tieh, Professor V. Harder, Lecturer l Student: M. Denham l l E Geophysics Department Faculty: Dr. N. Carter, Professor Students: A. Huffman T. Oldham l

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! Faculty: C. Gonzale i

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Student: M.

1 Mechanical Encineerine Department

! Faculty: Dr. D. Bray, Associate Professor Nuclear Encineering Department

! Faculty: Dr. J. W. Poston, Professor and Head Dr. R. R. Hart, Professor l

t Dr. D. W. James, Associate Professor Dr. M, E. McLain, Associate Professor

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l Dr. T. A. Parish, Associate Professor l Dr. J. A. Reuscher, Professor 1 i \

l Students: NE 606 Class j NE 405 Class l

! S. Midgett J. Wright K. Seager i Nuclear Science Center Staff: J. Reuscher, virector, NLelear Research Reactor Progrtms h

J. Krohn, Assir, ant Director and Manager i of Technical Services N. Khalil, Research Associate j G. Stasny, Reactor Supervisor j D. Deere, Research Associate j 3E J. Petesch, Reactor Supervisor B. Asher, Reactor Supervisor i l "

. Meyer, Health Physicist  !

3 M. Brown, Health Physicist lE

! Oceanocraphy repartment l Faculty and Staff: Dr. B. J. Presley, Professor Dr. P. Boothe, Asst. Research Scientist i

jg Dr. R. J. Taylor, Research Associate

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F-L Physics Department r Faculty: Dr. J. A. McIntyre, Professor L

Students: R. Seidel Range Science

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Faculty: Dr. R. Knight Student: R. Lyons i Radiological Safety Office i Staff: Dr. M. E. McLain, Radiological Safety Officer J. Simek, Assistant Radiological Safety Officer I C. Meyer, Senior Health Physicist Veterinary Physiology and Pharmacology Faculty: Dr. D. Hightower, Professor i Students: A. Komkov P. Hulkovich In addition to the research performed by the above per-I sonnel, the NSCR was used as an educational aid in numerous courses at Texas A&M. Table II lists the academic courses utilizing the reactor and their use.

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TABLE II Academic Use of' the Reactor No, of Students Department Course No. Instructor and Purpose Animal Science 603 Ellis 9-T o ur /Cla s s Chemistry 116 Kolar 88-T o ur /Cla s s 491 Hogg 14-Tour Industrial Engineering 683 Konzen 8-T o u r /C l a s s Mechanical Engineering 461 Fletcher 9-T o u r /Cl as s Nuclear Engineering 201 Bolch 10-Tour / Demo I 405 479 606 Schlapper Schlapper Reuscher 9-La b /C l a ss 10-Tour 9-La b /Cl a ss 679 Meyer 7-T o u r /C l a s s I 680 McLain 8-T our /Cl a s s 14-Tour Oceanography 640 Boothe Physics 351 McIntyre 32-Tour I Plant Pathology and Microbiology 607 Lyda 10-Tour I

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l C. Utili:'ation by Other Educational Institutions (U.S. DOE Contract,

1. DE-FG07-80ER10732 - Heactor Sharing)

I In addition to Texas A&M University, services were provided to the following educational institutions t brough the Department of Energy Beactor Sharing Frogram. A description of some of the projects utilizing the reacter is presented in Appendix I.

Baylor University -- Waco, Texas Faculty: Dr. K. Kang, Professor of Physics i Students: Physics Clasr Louisiana State University --

Baton Rouge, Louisiana Faculty: Dr. B. M. Knaus I Dr. L. Foil Dr. C. Issel Students: D. Von Gent i

K. Sweeney E. Elkins Louisiana Tech -- Ruston, Louisiana l Faculty: Dr. B. Thompson i 1

Students: A. Bebahani j B. G ri f fi s '

McLennan Community College -- Kaco, Texas Faculty: Mr. D. Tatum, Instructor of Physics Students: Physics Class McNeese State -- Lake Charles, Louisiana Faculty: Dr. J. Beck Students: K. Stacks K. Martin

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Miami University -- Oxford, Ohio Faculty: Dr. K. Crowley i

Southern Methodist University -- Dallas, Texas Faculty: Dr. S. Kelley

'_ Dr. E. Damm l Students: K. Geving L. Carter l

Sul Ross State University -- Alpine, Texas Faculty: Dr. D. Nelson Dr. J. Richerson Dr. M. McCurry l

Lab Direct, L. Forsythe hxas St. ate Technical Institute -- Waco, Texas Faculty: Mr. R. Wheet, Instructor Ms. G. Martini Ms. L. Morris Students: Nuclear Technology Classes University of Houston -- Houston, Texas Faculty: J. Liu University of Illinois --

Student: M. Flower I

University of New Hampshire -- Durham, New Hampshire Faculty: A. Conners J. Macri University of Okalahoma -- Norman, Oklahoma Faculty: Dr. B. Weaver 4

g Students: J. Aquilar g P. Anderson

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,I University of Southwestern Louisiana -- Lafayette, Louisiana i

Faculty: Dr. J. Meriwether i

Stuoent: K. Kie University of Texas -- Austin, Texas Faculty: Dr. F. 1skander P. Schmidt Corrigan I' J.

L. White University of Texas -- El Paso, Texas l

Faculty: E. Anthony Public and Priva' School Tours No. of Students A&M Consolidated -- College Station, TX 79 .

iE Bammel High School -- Houston, TX 40 i

g Baylor University -- Waco, TX 7 Bryan / College Station Science Teachers 58

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Buckholts High School -- Buckholts , TX 18 Cameron Jr. High School -- Cameron , TX 14 Carver Middle School -- Bryan TX 30 Conroe Home School -- Conroe , TX 56 I Centerville High School -- Centerville, TX Coolidge High School -- Coolidge, TX 17 4

Cypress Creek High School -- Houston, TX 60 Cy Fair High School -- Houston, TX 21 Del Valle High School -- Austin, TX 38 East Texas State University -- Commerce, TX 13 Engineering Program for Minorities -- TAMU 36 I Hardin Jeffernon High. School -- Sour Lake, TX High School Teachers -- Various 23 26

. Honors Program -- T AMU 24 Jane Long Jr. High -- Bryan, TX 36 Jef f Davis High . School -- Houston, TX 26 Jersey Village High School -- Houston , T X 75

> Jets Chapters -- Needville & San Antonio, TX 75 Keystone High School -- San Antonio, TX 20 Lamar School -- Bryan , T X 135 Lumberton High School -- Lumberton, TX 34 I McCullough High School -- Woodlands, TX McLennan County Community College -- Waco, TX 37 24 Moody High School -- Moody, TX 22

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Pearsall High School -- Pearsall, TX B Queen City High School -- Queen City, TX 11 I

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Public and Private School Tours (cont'd) No. of Students Rockdale High School -- Rockdale, TX 40 lI j

j Sam Rayburn High School -- Pasadena, TX Sharpstown High School -- Houston, TX Stephen F. Austin University -- Nacogdoches, TX 35 35 36 l3 Teague High School -- Houston, TX 36 15 Temple High School -- Temple. TX

[5 Tyler Jr. College -- Tyler, iX Wells Middle School -- Houston, TX 31 44

[ Woodville High School -- Livingston, TX 27  !

York Jr. High School -- Conroe, TX 48 l l l

D. Utilization by Non-University Institutions A AE /BCS T raders -- Globe , Aricona Experimenter: D. Williams Ankha Nuclear Industries ll i

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Experimenter: J. Griedanus Brown and Associates -- College Station, Texas Experimenter: J. Fares Gulf Nuclear -- Houston, TX r Experimenter: M. Skinnner l

!5 Kearfott Guidance and Navigation -- Little Falls, New Jersey l

[g Experimenter: L. Breen 13

! M. D. Anderson Hospital -- Houston, Texas Experimenter: Dr. J. Cundiff i

! Methodist Hospital -- Houston, Texas

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' B Experimenter: Dr. W. Cole l3 Poretics Corporation -- Bryan, Texas

!g I; Experimenters: E. Hubbard

G. Stasny

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Racon -- Tyler, Texas l Experimenters: R. Heine l K. Munn R /A Services -- Odessa, Texas Experimenter: D. Hicks l Shell Development Company -- Houston, Texas Experimenter: W. Stringfellow Pro-Technics II, Inc. -- Houston, Texas Experimenter: M. Brewer Teledyne -- Westwood, N w Jersey Experimenter: A. Skbar Texas Instruments -- Dallas, Texas Experimenters: C. Blackburn Tracerco, Inc. -- Houston, Texas I Experimenters: R.

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Gilman Bucior TRW-EDS -- Redondo Beach, California Erperimenters: D. Randall T. Lunn T ru-Tec -- LaPorte , Texas  !

I Experimenters: C. Winfield J. Landry I'

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I 14 III. REACTOR AND FACILIT Y OPERATIONS A. Changes Pursuant to the Requirements of 10CFF50.50 In accordance with the requirements of 10CFR50.59, changes to the facility and procedures and changes in the conduct of tests and l

experiments that occurred during the reporting period were reviewed and documented. It was concluded that these changes do not constitute a change in the Technical Specifications, do not present an unreviewed safety question, ano do not increase the probability of an accident previously analyzed in the NSCR Safety Analysis Report. It was co.cluded that these changes do not increase the pessibility that an I acc. dent or malfunction of a dif ferent type than any evaluated previnusly will De created, and do not reduce the nargin of safety as defined in the Dases for any Technical Specification.

1 Changes to the Beactor Systems i

Shim Safety Potentiometer Replacement The coarse incremental adjustment of the existing potentiometers that centrol the amount of current to the shim safety control rod

! electro-magnets made it difficult to set desired current levels.

Also, a special purchase order had to be made anytime it was necessary to replace the potentiometers. Therefore, the potentiometers were re-placed with locally available potentiometers that use a multi-turn I adjustment and have the same milliamp adjustment range, ohm rating, and mounting structure as the old potentiometers.

2, Chances to Experimental Facilities Real-Time Radiocraphy Capabilities with Beam Port 4 I Dr. Jon Reusener, Professor, and Director, Nuclear Research Reactor Programs, designed and implemented a real-time radiography program for the facility. Changes were made to the Beam Port 4 cave I to allow access for the handling of radiographed samples.

now has a movable shield block which covers an access opening on top The cave of the cave . The Beam Port water shutter control circuitry provides lI an interlock to flood the shutter if the shield block is moved from

! its closed position during beam port operations. A "C-2" high I radiation area personnel access monitoring system was installed at the I shield block cave c>ening. This system is activated when the shield block is not in it closed position. Several dif ferent objects have been successfully radiographed in the cave with no adverse radio-logical consequences.

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Changes to the Thermal Column Shielding

[ The Poretics take-up spool box is now shielded by a movable shield L fabricated of steel plates and having a leaded glass window to allow viewing of the take-up roll. The existing shield blocks, Thermal s Column Door, and fencing were extended to provide room for movement of the take-up spool box shield. Use of the movable shield has reduced personnel radiation exposures.

I Beam Port 1 Safety Improvements An interlock for the Beam Port 1 water shutter was added to the Beam Port 1 area entry gate. If the gate is opened during beam port operation, the water shutter will flood. Flooding of the water shutter provides additional protection against undue personnel radiation exposures.

R 3 Changes to the NSC Facility

[ Addition of a Volume 3eter to the Liould Waste Holdup Tanks A volume meter has been added to the raw water supply line to the liquid holdup tanks. This was added to more accurately determine dilution to the radioactive liquid waste released to White Creek.

Past reported radioactivity release concentration levels have been I conservative without this information. The meter therefore enables the NSC to improve the accuracy of reporting liquid waste release concentrations.

4. Changes to Standard Operatine Procedures (SDP's)

Changes to the following SOP's were reviewed and approved by the I Reactor Safety Boara during the reporting period:

SOP's I I-A Definitions and Abbreviations I-C Administration I I-H The Reactor Safety Board II-A General Organization and Responsibilities II-J Power Calibration Figure II-J-1 NSC Form 591, Power Calibration IV-F Neutron Radiography Beam Port 4 Figure IV-H-4 Fission Product Filter System Valving Chart Figure VI-C-1 NSC Form SBP - Electrical Power Failure Checklist

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b SOP's (cont'd)

- VII-A Health Physics Administration Procedures A1, A2, A4, A5 VII-B Health Physics Maintenance and Surveillance I Procedures B2, B3, B4, B5, B6, B7, BB , B9, B10, 311, B12, B13, B14, B15, B16 VII-C Radioactive Materials Control Procedures C2, C3, I C4, C5, C6, C7, CB, C9, C10, C11, C12, C14, C15 VII-D Health Physics Training - Radiation Safety Procedure D1 I VIII-E Personnel Dosimetry E1 B. Reactor Maintenance and Surveillance

1. The Technical Specification requirements for maintenance and surveillance were completed for all required channels as follows:

Fuel Element Temperature Measuring Channel Linear Power Channel I Log Power Channel High Power (Safety) Channels Facility Air Monitoring Channels I Area Radiation Monitoring Channels 2 All control rods were calibrated during annual maintenance I performed in January, 1990 with a total rod worth of

$16 32 and a shutdown margin of :?.68.

I 3 The power level (linear) channel was calibrried by the calorimetric method on 1/8/90.

4. The rod scram time checks resulted an times less than the Technical Specification limit of 1.? seconds.

5 Fuel elements requiring inspection were inspected by 8 -

January 1990.

6. The pulse measuring channel was calibrated on 2 /1/90.

Pulse operation parameters are verified semi-annually by pulsing the reactor for comparison of pulse energy and fuel temperature to previous pulse operation values.

The maximum allowable pulse reactivity insertion is $2.09 for Core VIII-A as determined by a pulse test program. An administrative limit of $1 90 is imposed for pulse operations.

17 3 7 The reactivity worth for each experiment was measured or estimated as appropriate berore perrormance of the E The most reactive fixed experiment is the experiment.

Thermal Column coupler with a value of $1 35 I 8. The annual facility evacuation drill and staff emergency response was conducted on 4/9/90.

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I 9 A review of the NSC security plan and emergency plan was conducted by the NSC staff prior to the Reactor Safety Board review conducted on 2/19/90.

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i 10. A review of the NSC ALARA program was conducted by the NSC staff prior to the Reactor Safety Board review conducted j on 2 /19 /90. .

i All other required maintenance as set forth in the Technical E Specifications was performed annually, semi-snnually, or weekly as I E nequired. This was in addition to completion of a pre-startup check-list done daily prior to reactor operation, and other daily checks.

C. Unscheduled Reactor Shutdowns A total of thirteen unscheduled shutdowns occurred during 1990.

The unscheduled shutdowns were caused by the following:

Six shutdowns caused by a complete power failure to the facility.

One shutdown when Shim Safety #4 inadvertantly dropped when approaching 1 MW power. No reactor scram signals were received.

One shutdown initiated due to Shim Safety #4 dropping when magnet current drifted low.

One shutdown due to a sample upon removal being passed near the I

I Safety Channel #1 cetectc.

produced a high reading on The high gamma level of the sample the Safety Channel #1 detector The sample removal was performed following a reduction in reactor I power of 40% as required.

One shutdown due to a short to ground in the Beam Port #4 nave door interlock circuitry. This occured during installatio.i of the Beam Port Cave top shield door circuitry and with the reactor outside the beam port / thermal column rail stop.

One manual shutdown was initiated by action of the SRO when an object was accidently dropped inte the pool near the reactor frame and having the potential to settle on top of the reactor I core. The object did not strike the core and came to rest on the bottom of the pool.

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One shutlown when a reinstalled indicator light switch on the reactor console short circuited resulting in a power loss to the r Log-N w.easuring channel.

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..e shutdown due to Shim Safety #4 dropping while shim safety control rods were being banked at 1 MW. Suspected cause was an unclean armature.

- D. Reportable Occurrence l Reportable Occurrence 00-01 Intermittent Loss of Signal to the Linear Power Channel B

g An intermittent loss of signal to the Linear Channel occurred on

[ 2/28/90. Upon investigation, the apparent cause was a corroded connector. After rep 2 acing the connector, the detector channel was tested for operability and the reactor was delcared operational following the performance of a pool calorimetric reector power I calibration measurement.

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IV. F ACILIT Y ADMINIST RATION r

L A. Organization The organization chart for reactor operations at the Nuclear Science Center is presented in Figure 2. During this reporting period Bill F. Asher joined the NSC staff tilling the position of the Day Reactor Supervisor. James C. Luther terminated as a full-time Senior Reactor Opertor in December. James E. Petesch retired and later rehired on a part-time basis, It is anticipated that Mr. Petesch will return to full-time employment in 1991.

During the past year, Bill F. Asher and James C. Luther received Senior Beactor Operator licenses.

The organizational chart for administration of the NSCR is illustrated by Figure 3 This is the new administration structure defined by Ammendment 12 to USNRC License R-83 The new license structure provides for line management by the licensee of NSC health physics requi rements. The newly created NSC Radiation I Protection Of fice reports directly to the Deputy Director of TEES.

Representatives of the University Office of Radiological Safety had previously been responsible for the health physics program at the NSC. Martha P. Brown was hired on June 1, 1990 to develop and implement a health physics program at the NSC under the new administrative structure.

B. Personnel The following is a list of personnel at the Nuclear Science Center for the period of January 1, 1990 - December 31, 1990.

Facility Administration and Reactor Ooerations Staff

+Asher, B. F. - Reactor Supervisor

+Brightwell, M. S. - Reactor Operator

+Feltz, D. E. - Director

+Ives, T. W. - Manager of Reactor Opeations

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DIRECTOR ASSISTANT D1 RECTOR SUPPORT MANAGER OF REACTOR OROUP OPERATIONS I i i

I I g_______ REACTOR g SUPERVISOR (S) l l- I

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SENIOR REACTOR OPERATORS I

I REACTOR OPERATORS I

40 Figure 2 Nuclear Science Center l

Reactor Operations Organization Chart I

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M M M M M M M M M m m m m m M M M M i r-Office of Reactor Safety -- --

Deputy Director, TEES -----

Radiological Safety <

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.l Director, fluclear  ; c. ,.I.

• Director

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- Responstbility J . _

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External Safety Operat i ng  : 9, ,qu, ,

Audit Committee St af f -

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L FIGURE 3 NSCit ADTilNISTit ATIVE OltG ANIZ ATION AI, CII AltT

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Facility A dr41nirt raticn and Heact or Operations Staf f (cont'd) 4Krchn, J. L. - Assistant Director

+ Luther, C. - Reactor Supervisor (Terminated)

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+0' Kelly, D. S. - Senior Reactor Operator 4 Lesch, J. E. - Reactor Supervisor Reuscher, J. A. - Profetasor, anc Director, Nuclear Research heactor Programs

+Stasny, G. S. - Beactor Supervisor (Terminated)

Technical Service and Maintenance I Allen, R.

Baumbach, D.

- Student Worker I (Terminated)

- Student Worker I (Terminated)

Beeler, J. - Student Technician (Terminated)

• Fisher, T. H. - Scientific Inst rument Maker II Horn, C. R. - Mechanical Equipment Foreman Lively, T. - Student Worker ' (Terminated)

Oliver, C. M. - Student Worker 1 "estivo, A. L. - Engineering Research Associate Sanche:, A. - Student Technician I Short, W.

Steffek, H.

Student Technician (Terminated)

Student Worker 1 Tier, M. - Draftsman (Terminated)

' Licensed Peactor Operator '

+ Licensed Senior iteactor Operator Clerical I Killingsworth, S. B. - Receptionist (Terminated)

Mitchell, Y. - Secretary I Ribardo, J. E.

Robins, G.

Bookkeeper Receptionist I Health Physics Staff Brown, M. P. - Senior Health Physicist Cannell, B. K. - Health Physics Technician Visitinc Scientist Dr. B. M. Knaus - Louisiana State University

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I C. Reactor Safety Board Committee Composition Chairman F. Jennings, Director, Of fice of Univerrity Hesearch (January

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1, 1990 - Decettber 31, 1990)

Voting Members g

T. Parich, Professor, Nuclear Engineering B (September 1, 1990 - December 31, 1990)

R. R. Hart, Professor, !;uelear Engineering (January 1, 1990 September 1, 1990) (Terminated)

R. Menefick, Proferror, Phyuic (January 1, 1990 - December 31, 1990)

R. Koppa, Professor, Indur' rial Engineering (January 1, 1990 - December 31, 1990)

E. L. Morr: 3, Profescor, Veterinary Medicine (January 1, 1990 - December 31, 1990)

B G. Schlapper, Associate Profeccor, Nuclear Engineeritig (January 1, 1990 - December 31, 1490)

E. A. 3chweikert, Profecaer, Chemistry (January 1, 1990 - December 31, 1990)

Ex-Officio Membern D. E. Feltz, Director, l'uclear Science Center (January 1, 1990 - December 31, 1990)

M. McLain, Professor and University Radiological Safety Of ficer (January 1, 1990 - December 31, 1990)

J. W. Poston, Head, Nuclear Engineering (January 1, 1990 - December 31, 1990)

M. P. Brown, Senior Health Physicist, Nuclear Science Center (June 1, 1990 - December 31, 1990)

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Meeting Frequency The heactor Safety Board (RSB) met on the following dates during the calendar year 1990: 2/19/90, 5/30/90, and 10/3/90.

RSB Audits During the reporting period RSB audits of 11SC activities

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were conducted on the following dates: 1/3/90, 4/19/90, 7/18/90, 7 /24 /90 and 10/29/90, j.

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APPE!! DIX I Description of' Projects Utilizing the t'SCR

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l I-1 DESCRIPTION 0F PROJECTS UTILIZING THE NSCB

! A. Texas A&M University Nuclear Engineering DAMAGE STUDIES OF INFRALED DETECTOR MATERI AL )

1 Personnel Dr. Ron R. Hart -- Professer Kevin Seager -- Graduate Assistant This study investigated danage caused to infrared detector materials by exposure to neutrona. The work included studies of charged particle channeling and the effects of neutron radiation on I this channeling.

NUCLEAR ENGINEERING GRADUATE LAB IN REACTOR EXPEfi1 MENT ATION i

I Personnel a Dr. J. A. Reuscher -- Professnr NE 606 Graduate Students (16 students)

I j g Several experiments were performed at the NSC during the lab g "ourse. Each student participated in a control rod calibration lab,'a suberitical multiplication lab, a power calibration lab and a reactor pulsing lab. Other experiments performed included core flux mapping, neutron radiography, and neutron activation analysis.

REAL-TIME NEUT HON PAln0 GRAPH Y

.: Personnel Dr. J. A. Reuscher -- Professor I John Wright -- Graduate Assistant Scott Midgett -- Graduate Assistant A real time neutron radiography system was developed and installed

, I at Beam Port #4. This system uses a ZnS(LiF) scintillating screen to obtain images of samples placed in the neutron beam. The screen E

low-level light emission is intensified by a relay optics unit and collected by a monochrome CCD television camera. The TV image is j g digitized at a rate of 30 frames /second by an IBM PC/AT with image capture and processing boards. The neutron radiography image is displayed on a high resolution CRT. Numerous image enhancement options are available using digital filtering or false color displays. ,

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, The system shews good resolution for small heles (0.020-inch) in a j cadmium plate or standard film qualit y indicators. The systet is

being used to imare operating heat ;ipes, bu b tC e flows in liquids, the j t e l t i n g- of metallic samples, maarture measurements in neollte and ,

other researen areas.

PROMI T GAMMA !;EUT R?!; ACilV ATIDf; A!i AL YSIS Personnel I

J Dr. J. A. 1euscher -- Prefe s?r John Erchn -- Graduate Student lg5 Preliminary work war undertaken to establish Gatta lieutron lictivation Analysis ( PGt; A A ) ut 11 ing i< e a t Port I' 1

, facility fir Prempt

'ri o r k etnducted durir.r this year included construction fu detectr"

}I snield and determination cf i;UCLEAR E!.'GI!!EEhll;G U!iDEEGR ADU AT E L A E a background gamma s ;_'e c t r um .

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Personnel Dr. G. A. Schlapper -- Prefessor fiE 405 Students l

Several experiments were performed at the fiSC durit the lab l course. Each student performed a reactor startup and p. ticipated in

! a control rod calibration lab and a saberitical aul t i; lica tion lab.

RADIOlSCT 01 E I h0DUCTIOfi F0b L A BOR A'I OR Y Eyt>gg; ggt:7 3 Personnel Dr. Milten McLain -- Radiation Saf ety Of ficer Dr. Dennis James -- Assistant Frofessor Graduate and Undergraduate Students in varicus classes Several laboratory classes took advantage of the !;SC to produce short-lived radioisotoprs for use in lab experiments ranging from half-life measurements to detector operation and calibration.

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I 1-3 I TOURS OF THE NSC I Personnel Mr. F. Davis -- Lecturer Dr. G. A. Schlapper -- Associate Professor Graduate and Undergraduate Students in various classes I Various c3 asses toured the !JSC during the year as " field trips".

The tours ranged from introductory views for freshman students to in depth studies of the facility air monitoring system for a graduate health physics class.

Animal Science DYliAMICS OF RUMINAliT DIGESTI0t; A!4D liUTRITIO!;

Personnel Dr. W. C. Ellis -- Professor L. Cabello -- Graduate Assistant M. Hill -- Graduate Ass.tstant A continuation of investigations aimed at measuring the contri-buting dynamic processes in cattle fed a number of different roughage and roughage / chemical treatments. The results are to be integrated into mocels of the animal's intake and digestive system. The work involves activation analysis of elemental markers added to individual meals of the animals in the study.

Anthropolorv MET ALLURGICAL ANALYSIS OF BBONZE ARTIFACTS Personnel Dr. D. Bruce Dickson -- Associate Professor Georgia Fox -- Graduate Assistant This NA A project involved analyzing small samples taken from bronze artifacts from an anthropological site in Tel Nami Isreal. The elemental composition and the copper-tin ratio of the bronze may help I to determine the origin of the artifacts and possibly provide evidence for trade in this region during the late Bronze Age.

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[ Oceanography DISTRIBUTION OF B ARIUM IN SEDIMEfiTS ON THE TEXAS-LOUISI ANA CONTINENT AL SHELF A!4D SLOPE Personnel Presley -- Professor I Dr. B. J.

Dr. P. N. Boothe -- Assistant Research Scientist Dr. R. J. Taylor -- Research Associate Three Graduate Students This continuing project studied fine-grain sediment transport on the continental shelf using barium sJ1 fate which is released during I oil drilling operations. The determination of barium levels at various locations on the shelf and slope by activation analybis allows o a ruodel of the transport processes taking place to be formulated.

These processes are important to understand in view of the increased I off-shore drilling expected during the rest of this century.

Physics CONSTRUCTION OF A POSITRON TOMOGRAPH Personnel Dr. J. A. McIntyre -- Professor R. A. Seidel -- Graduate Student Work continued on the construction and testing of a posit to emission tomography system for clinical imaging. The NSC provided the I positron sources, activated copper samples, for this system.

Veterinary Physiology and Pharmacology SM-153 EDTMP B0!:E THERAPY AGENT Personnel I Dr. Dan Hightower, D.V.M. -- Professor Mark Chambers -- Graduate Assistant Andrea Eomkov -- Graduate Assistant Initial irradiations of samarium oxide were performed to study the feasibility of producing EDTMP t3one Therapy sources. The initial studies included calibrations and preliminary studies with animals.

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Geolocy DCCURRE!;CE OF URA!4IUM IN HYDROC ARBON RESERVOIR ROCf.S

[ Personnel

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Dr. T. Tieh -- Professor M. Denham -- Graduate Assistant I Fission tracks were induced using neut ronn to investogate occur-rence of uranium to determine if uranium concentrates in certain phases during d1agenesis and hydrocarbon migration.

FISSION TRACE AGE DETERMII'ATIO!4S FROM FLOURITE Personnel Dr. V. Harder -- Lecturer I This work is aimed at determining the burial depth of sediments by finding the flourite fission t rack ages of these sediments.

I Geophysics TRACE ELEMENT GEUCHEMISTR Y ACROSS THE CRET ACEAUS/TERTI AR Y BOUllDAR Y Personnel Dr. !; . Carte. -- Professor I A. Huffman -- Graduate Assistant T. Oldham -- Graduate Assistant I Neutron activation analysis was performed on deep sea and volcanic rock samples to atudy trace-element signatures across the Cretacious-Tertiary boundary and determine the cause for a major extinction 66 million years ago.

Cnemistry CHEMICAL PROPERTIES OF ETCHED NUCLEAR TRACES I!! MICA Personnel Dr. Charles Martin -- Professor Charles Brumlik -- Graduate Assistart Small fission plates were used tc produce nuclear tracks in mica samples. The samples were then etchea and the tracks studied under light microscopes for reactions to various chemical treatments.

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Louisiana St at e University 4

FIRE ANT TERRITORI ALIT Y '

Personnel

! Dr. Ron Knaus -- Professor, LSU Nuclear Science Center g Dr. Lane Foil -- Professor, Entomology g Kevin Sweeney -- Graduate Assistant Beth Elkins -- Graduate Assistant  !

Daniel Vari Gent -- Graduate Assistant ,

I This continued study investigated fire ant territoriality in a producing sugar cane field as det ermined by NAA performed at the NSC l

on the ants which had been tagged with Dy and Sm.

TPA!1SMISSION OF EQUINE DISEASES Personnel Dr. R. M. Knaus -- Professor, Nuclesr Science i

Dr. Charles 1ssel -- Professor, Veterinary Science ,

Animals were injected with Na-24 produced at the Texas A&M Nuclear )

i Science Center, to study mechanical transmission of equine infectious j

, disc <ses. -

Sul koss St a t e University ANALYSIS OF GEOLOGIC SAMPLES FROM VARIOUS SITES IN TEXAS Fersonnel Mr. Lance Forsythe -- Interim Lab Director l Dr. Michael McCurry -- Lecturer Five Graduate and Undergraduate Students These continued studies include the determination of trace element contents of various rock and mineral samples from a variety of sites in Texas. The samples are irradiated at the NSC and the analysis performed at Sul Ross. Several projects are ongoing at any one time with various combinations of faculty, graduate and undergraduate I students. Many of the results from these studies are incorporated into theses, papers and presentations at geologic society meetings.

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s Texas State Technical Inst i t ut e Personnel Richard Wheet -- Chairman, Nuclear Technology, Waco Linda Morris -- Lecturer Georgia Martini -- Lecturer During 1990, approximately 35 students participated in health physics training which included items from shipping and release I regulations to an introduction to reactor physics and neutron activation analysis. The training provided the students with hands-on experience to supplement their classroom inst ructicns in the Health Physics Technician program.

Southern Methodist University FISS10!J-TRACK ETCH STUDIES Personnel Dr. S. Kelley -- Assistant Profeccor, Geology Dr. K. Damm -- Visiting Lecturer I Rhonda Geving -- Graduate Assistant Larry Carter -- Graduate Assistant Fission-track etching was performed for a variety of projcets.

I All of the projects are aimed at dating samples and in some cases to determine the cooling history of the geological site.

I McNeese State University, University of Southwestern Louisiana, Louisiana Tech University ,

DISTRIBUT10110F T RACE MET ALS Ili LOUISI A!J A ST ATE SEDIMEt'TS Personnel, Melleese State I

i Dr. J. Beck -- Professor, Chemistry K. Stacks -- Graduate Assistant K. Martin -- Graduate Assistant Personnel, Southwestern Louisiana Dr. John Meriwether -- Professor, Physics K. Kie -- Graduate Assistant.

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Personnel, Louisiana Tech 1

) Dr. R. H. Thompson, Director, Nuclear Center Bebahani I. - Graduate Assistant B. Griffis -- Undergraduate i

g lieutron activation analyses were carried out on lake sediment i 3 samples to study the presence of pc11ution by heav' metal concen-tration.

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Miami University (Ohio) l

i l FISS10!1-TR ACK A!!AL YSIS OF GEOLOGIC AL M ATERI ALS 5 Personnel Dr. E. Crowley -- Professor l

I Fission-track age by induced U-236 fissions was determined to i study annealing processes.

l University of Houston RADI ATIO!! EFFECTS ON HIGH T EMPERATURE SUPERCONDUCTORS Personnel Dr. J. Lui -- Scientist Dr. W. Chu -- Director, TCSUH I Samples of superconductor material were irradiated to study the possibility of raising the temperature at which the materials became super conducting.

University of Oklahoma i

RARE EARTH CONCENTRATIONS IN IGliEOUS ROCKS AllD SHALES I Personnel E Dr. a. weaver -- Processor, Geology E P. Anderson -- Graduate Assistant i i g Rare earth concentrations were determined by neutron activation 5 analysis to study the e>eochemistry or igneous rocus and snaies.

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aniversit v of Texas - Austin FISSION TRACT A!;AL YSIS OF GEOLOGIC AL MATERI ALS

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Personnel

- Dr. Mark Cloos -- Professer, Geological Sciences Jeff Corrigan -- Graduate Assistant

- Richard Ketchum -- Graduair f.s s i s t a n t Leslie White -- Graduate Assistant Fission track aging was used in reveral geologie studies to determine the age of sargles University of Texas - Austin MEASUREME!;T OF T0XIC ELEME!;T S I!; FISH Personnel Dr. F. Iskander -- Research Associate, Mechanical Engineer;ng In a cooperative project with the Texas Parks and Wildlife Department, tissue from fish taken fr om several Texas lakes are i analysed by !; A A for several toxic elements.

TOURS AND !;EUT RON ACTIV ATION AllAL YSIS DEM0!;5T R ATIO!;S Groups from various institutions toured the Texas A&M Nuclear Science Center facilities and saw neutron activation analysis demon-strations. Some of the associated group chaperones and their insti-I tutions are listed below.

D. Tatum, McLennan Community College K. H. Wang, Physics, Baylor University C. Non-University Institutions M. D. Anderson Hospital 1

DRODUCTION OF RADIOISOTOPES FOR RESEARCH AND TREATME!;T Personnel Jack Cundiff -- M. D. Anderson The NSC produces radioisotopes for use in medical research and treatment at the M. D. Anderson Hospital and Tumor Center in Houston.

Several different isotopes and forms have been produced for various types of uses at the hospital.

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E. W. Brown and Associates NEUT H0!i ACTIVATIO!? ANALYSIS OF Alk FILTERS Personnel I Dr. J. Fares -- K. W. Brown Dr. C. Magneson -- K. W. Brown J. Erohn -- Nuclear Science Ceater Air filt er samples taken in industrial environments were analyzed by !JA A to investigate possible releases of toxic or other undesirable elements.

Texas Instruments NEUTR0!1 ACTIVAT1011 A!!ALYSIS OF SEMICONDUCTOR MATERI AES Personnel Bruce Gnade -- Texas Instruments Cheryl Blackburn -- Texas Instruments This long-term project involves the irradiatien of semiconductor materials supplied by Texas Instruments at t'~e !,Gelear Science Center and subsecuent analysis by TI personnel. Sr., analysis results are used in quality assurance and product development.

TRW-EDS RADI ATION HARDNESS TESTIl1G OF ELECT R0!11C COMPONENTS Personnel Terry Lunn -- TRW Don Randall -- T RW John Krohn -- Nuclear Science Center The NSC provided a fast neutron environment for exposure of

, g electronic components for radiation hardness testing. This project g includes characterization of the radiation environment and monitoring of each irradiation for dose received.

RADIOISOTOPE PRODUCTION The NSC produced a wide variety of radioisotopes for a number of I commercial users. These isotopes were produced for a variety of projects including well logging, gamma radiography, and tracer studies. Some of the more commonly produced isotopes were: Sb-124, Sc 46, Ir-192, Br-82, Ar-41, and Na-24 Some of the companies supplied were: Racon, Spectratek, Inc., R/A Services, Inc., 'I r a c e r c o ,

Inc. and T ru-T e c .

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APPEtiD1X Il i Pt hlications , Theses and Papers involving Use or flSC Facilitien From 1976 to Date i

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) Publintions. Theses and Papers Involving the Use of NSC Freilities From 1978 to Date l

3 1. F. R. Hart and L. D. Albert, " Measurement of P-31 Concentrations

g Produced by IJeutron Transmutation Doping of Silicon", Inter-1 national Conference on Neutron Transmut ation Doping, University

! 9f Missouri, April 1978.

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2. D. Wootan, " Measurement of Neutron Flux in Thermal Botisserie".

M.S. Thesis in Nuclear Engineering, Texas A&M University, 1976.

3 W. Huang and J. Catham, " Uranium in Lignite: I. Geological Occurrence in Texas", Tenth International Conrrecs on Sedi-mentology, Volume 1, 197B.

L. W. Huang and S. Parks, " Uranium Resources i n S o rtic 'l e r t i a r y l

i Sediments of Texas Gulf Coastal Plain: I Geoler.ie Occurrence in the Lower Miocene Sediments", Tenth International Congrens on I Sedimentology, Volume 1, 1976.

I Pickett, " Factors Controlling Jn-Situ Leaching E 5 W. Huang and K.

3 of Uranium from 3andstone and Lignite Deposits in South Texas",

Proceedings of Uranium Mining Technology, Update 76. Reno, Nevada, November 1976.

I 6. B. J. Presley, R. Pflaum and J. Tref ry, " Fallout and Natural Radionuclides in Mississippi Delta Sediments", F.nvironmental Oceanographic Science, Vol. 59, No. 4 April 1978.

7. P. H. Fishman, "Minerological Analysis and Uranium Distribu-tion of the Sediments from the Upper Jackson Formation, Karnes l

l I County, Texas", M. S. Thesis in Geology, Texas A&M University.

1978.

8. E. M. Prasse, " Uranium and its Relationship to Host Rock

' Minerology in an Unoxidized Roll Front in the Jackson Group, South Texas", M. S. Thesis in Geology, Texas A&M University, 1978.

W. C. Ellis, J. H. Mathis and C. E. Lescano, "Quantitat.ing

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!3 Ruminal Turnover", Fed. Proc., Vol. 38, 1979 I g

10. C. E. Lescano and W. C. Ellis, "An Evaluation of Lanthanides i

i as Particulate Matter Markers", American Society of Animal Science (abstract), Tucson, Arizona, 1979, fl j

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11. S. W. Bachinski and R. B. Scott, "Bac a-Earth and Other Trace Elements Contents and the Origin of Mineetes", Geochim.

Cosmochim. Acta, Vol. 43, 93, 1979 I

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12. R. D. Scott, D. G. Temple and P. Peron, "!Ja t u re <f Hydrothermal lI Exchange Between Oceanic Crust and Seawater at N !J Lat., Mid-Atlantic Ridge". Benthic Boundary Layer Proemser., 10GC Symposium on the benthic Boundary Layer, 1979 l

l 13 L. J. Tie:21 and R. B. Scott, " Crystal l'ractionation in a Cumulate Gabbro, Mid-Atlantic Ridge, 2 6 0!J Lat.", J. of Geophys Research, 1979, 14 P. J. McGoldrick, R. R. Keays and R. B. Scott, " Thallium: A Sensitive Indicator of Rock / Seawater Interaction of Sulfur

Saturation of Silicate Melts" Geochim. Cormochim. Acta, 1979

15. G. Zakoriadze, R. B. Scott and D. H. Lilly, "letrology and Geochemistry of the Palao-Kyushu Remnant Arc. Site 448, DSDP Leg 59", T rans . Amer. Geophys. Union, Vol, 50, 94, 1979

,g 16. R. B. Scott, " Petrology and Geochemistry of Deean Plateaus", I

3 TAMU Symposium on Ocean Flateaus, 1979

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i a 17. A. Clearfield and L. Kullberg, "On the Mechanism of Ion-Exchange

g in Zirconium Phosphates

An Equilibrium Study of Sodium-Potassium-Hydrogen Exchange on Crystallizing "irconium Ihos- i phates", J. of Inorganic and !J u e l Chem., 1979

18. O. F. Zeck, R. A. Ferrieri, C. A. Copp, C. P. Gennaro and Y. !J .

Tang, " Gas Phase Recoil Phosphorous Reactions IV - Effect of Moderators on Abstraction Reactions", J. of incrcanic I Chem., 41, 1979

" a t.d Nucl,-

19 J. R. Catham, "A Study of Uranit.m Distributlen in an Upper Jackson Lignite - Sandstone Ore Body, Sout h Texas", M. S.

Thesis in Geology, Texas A&M University, 1979

'l 20. S. L. Parks, " Distribution and Possible Mechanism of Uranium 5 Accumulation in the Catahoula Tuff, Live Oak County, Texas",

M. S. Thesis in Geology, Texas A&M University, 1974

21. M. E. Miller, " Uranium Roll Front Study in the Upper Jacksen Group, Alascosa County, Texas", M. S. Thesis in Geology, Texas A&M University, 1979

22. W. C. Ellis, J. H. Matis and C. E. Lescano, "A Method for Determining In-Vivo _ Rates of Particle Size Degradation, Genesis, I and Passage from the Humen", Proc. of 15th Conference on Humen Function, 1979 23 W. C. Ellis, J. H. Matis and C. E. Lescano, " Sites Contributing to Compartmental Flow for Forage hecidues", Ann. Ren. Vet., ,

1979 )

I

~ - . - -

11-3 F

L 24 C. E. Lescano, "Determir 'on of Grazed Forare voluntary in-take", Ph.D. Dissertatio. -n Animal 14utrition, Texas A&M University, 1979, p 25 E. Fond, "Effect of Monencin en Intane Direct a t ilit y , Gastro-L intestinal Fill and Flow in Cattle Grazing coastal bermuda Parture", M. S. Thenis in Animal l'ut r i t ion . T e xa s A&M University, 1979

6. H. Lota, "Effect of Protein Deficiency on Forage Intake and Digentibility", M. f . T he ni: in Animal llut ri t 1 on . Texar A&M University, 1979

27. \. L. Tenhet, "Penet rat ion Mechanirm and Dist ribut ion Gradient:

{ of Sodium-T ripoly-Phorphat e in Peeled and Devoined Shrimp",

M. 5. Thesis in Animal Science, Texac A&M Univer aty, 1974.

2B. W. C. Ellic and H. Lippte, "A Continuour Infusion and Pulne Dose Marker Method for Determining Fecal Out put ", i roceeditic of' Southern Pacture and i'orace Crop 1mprovement renterence, I tJashville, Tennectee, May 19B0.

29 D. S. Delaney, "Ef fectc of Monennin on Intate, Da r e r t it>ili ty ,

and Turnover of Organic Matter and Pacterial Protein in Graning I Cattle", M. S. Toenit in Animal Science, lexat A&M University, 1980.

30. J. P. Telford, " Factors Affecting Intake and Digestibility of Grazed Forages", Ph.D. Dinsertation in Animal Science.

Textn A&M University, 1980.

31. E. E. Siefert, E. L. Loh, R. A. Ferrier2 and Y. !; . lang, " Forma-tion of 1-Silacyclopenta-2,4-diene Through Recoil . Silicon I

! 32.

Atom Beretions", J. Amer. Chem. See M. W. Howe, E. W. Filberth and H. J.

, 102, 1980.

Shaeffer, " Uranium in Huero and Guadalupe Mountain Indian Ceramies", Archaeometry, Great Britian, 1980.

33 E. B. Ledger, T. T Tieb and M. W. Howe, " Delayed fleut ron Activation Determination of Uranium in Thirt een French Rock Reference Samples", Geostandarde tiewnletter, 1980.

T. T. Tieh, E. B. Ledger and M. W. Bowe, "Belease of Uranium 34 from Granitic Rocks During In Situ Weathering and initial Erosion (Central Texan)", Chemica) Geolon , 1980.

35 J. P. Taft, J. D. Handall and M. Walker, " Core Modification of the Texan A&M Nuclear Science Center Reactor for Improved Commercial Utilitation", present.ed at the Seve:nt h T RIG A User's E Confe-ence, San Diego, California, March 1980.

m- _- _ _ _

L Il-4

[ 36. E. F. Bates, R. D. Neff and J. D. Randall, " Organization and Management of Health Physics Support for a Research Reactor",

presented at the Seventh TRIG A User's Conference , San Diego, d California, March 1980.

37. K. L. Walker, " Analysis of Uranium in Ore Sarnples by Delayed Neutron Activation Analysis", Radiochemical and Radionnalytical Letters, October 1980

38. E. E. Siefert, K. L. Loh, R. A. Ferrieri and Y. !; . Tang,

" Fluoride Atom Shift in 1,2-Dirlourcethyl Radicals", J.C.S.

Chem. Comm., 614, 1980.

39 E. B. Ledger, T. T. Tieb and M. W. Howe, " Delayed Neutron Acti-vation Determination of Uranium in Twelve Rock Reference Standards", Geostandards Newsletter, 4, 1960.

40. K. R. Pond and U. C. Ellis, " Effects of Monensin on Fecal Out-out and Voluntary Intake of Grazed Coastal bermudagrass", Beer I Cattle Research in Texas, 1961.

41. W. C. Ellis, J. H. Matis and K. R. Fond, "Effect of Monensin on I Gastrointestinal Fill and Turnover of Undigested Forage Residuca in Animals Grazing Coastal Bermuda", Beef Cattle Research in Texas, 1981.

42. D. E. Delaney, K. B. Pond, C. E. Lescano and W. C. Ellis,

" Comparison of Fecal Output as Estimated by Two Marker Methods",

Beer Cattle Research in Texas, 1981.

43 D. S. Delaney and W. C. Ellis, "Effect of Monensin on Bumen Microbial Turnover", Beef Cattle Research in Texas, 1981.

44. D. Hightower, "Whole Body Counting", Southwest Chapter of Society of Nuclear Medicine, 1981.

I 45 J. Watson and B. Covington, "ticutron T ransmuta tion Doped Silicon", American Ass;ciation of Physics Teachers, 1981.

46. L. Kullberg and A. Clearfield, " Mechanism of Ior. Exchange in Zirconium Phosphates - 32: Thermodynamics of Alkali Metal Ion Exchange on Amorphous ZrP", J. Phys. Chem., 1981.

47. L. Kullberg and A. Clearfield, " Mechanism of Ion Exchange in Zirconium Phosphates - 32: Thermodynamics of Alkali Metal Ion Exchange on Crystalline ZrP", J. Phys. Chem., 1981.

48. D. Nelson, W. McDonough and D. Mattison, " Trace Element Geo-chemistry of the Sawtooth Mountain Syenites, Transpecos Magmatic Belt of West Texas", Trans Pecos Volcanism Symposium, 1981.

11-5

[ 49 E. E. Siefert. S. D. Witt and Y. N. Tang, " Reactions of Mono-meric Diflourosilylene with Ethylene", J.C.C. Chem. Comm.,

_ 1981.

50. Y. N. Tang, " Unusual Compounds Synthesized via Nuclear Recoil I Methods", Advances in Chemistry Series, No. 197, 1981.

51. E. J. Parma, " Gamma Abundance of Silicon-31", M. S. Thesis in Nuclear Engineering, Texas A&M University, 1981.

52. L. B. Th? riot and L. Daley, " Matrix Ef fect in Atomic Absorption Possible Role of i Determination of Copper in Fraction I Protein:

Copper dr. Light Sensitive Control of Ribulose B1ptosphate

(.arbox*jglase Activity", Texas Journal of Science, December 1981.

l 53 W. C. Ellis, C. E. Lescano, r. Teeter and F. N. Owne, " Solute and Particulate Flow Markers", Proceedines of Symposium on Ruminant Protein Nutrition, Oklahcr.a State Univeralty, 1982.

54. J. P. Telford and W. C. Ellis, " Duration of Grazing Effects on Gastrointestinal Fill, Turnover, Digestibility and Voluntary Intake of Grazed Oak Pasture", Beer Cattlo Hasearch in Texas, 1982.

55. K. R. Pond, "The Fragmentation and Flow of Forage Residues I Through the Gastrointestinal Tract of Ca ttle", Ph.D. Disserta-tion in Animal Science, Texas A&M Ur.iversity, 1982.

Deswyen, J. H. Matis and W. C. Ellis, I 56. K. R. Pond, A. G.

" Chromium-mordanted and Rare Earth Marker Fiber for Particulate Flow Measurement", Beer Cattle Research in Texas, 1982.

57. K. R. Pond, A. G. Deswyen, J. H. Matis and W. C. Ellis, " Hate of Passage Measurements as Affected by Dosing at Beginninc or End of a Meal", Beer Cattle Research in Texas, 1982.

58. K. R. Pond, A. G. Deswyen, J. H. Matis and W. C. Ellis, " Marker Technique - A Two Marker, Two Dose Method for Estimating Fecal Output, Fill and Flow", Beer Cattle Research in Texas , 1982.

59 M. S. Mohan, R. A. Zingaro, R. D. Macfarlane and K. J. Irgolic,

" Characterization of Uranium-Rich Organic Material Obtained from a South Texas Lignite", Pittsburgh Energy Technology Center, May 1982.

60. D. Casserly, M. Vecchiono, R. Maples, R. Ilg, D. Gaston, D.

Weston and L. Dervoen, " Biological Attribut.es of the West Hackberry Brine Disposai Site", Oceans 82, 4, 1982.

_._ . . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ~ . _ _ . _ _ _ _ _ _ _ _ _ _ _

II-6 i

l 61. G. L. Grout and C. L. Webre, " Quick Separation er Manranese f rofn Brine Solutionc", Radiochemical and hadic 'nalyt ical Letters, i 4 51, 1982.  !

62. J. Watson and B. C ov a r.c t on , " Annealing Studies of " r ansmutat ion Dopec Silicon", presented at Texas Academy of Science Meeting in San Angelo, Texas, March 1962, 63 J. Watson and E. Covington, " Annealing St udy of Transmut.ation Dopcd Silicon: Boron", Proceedincs of ihe Fourth International

!!T D C cnference , Washington, ' > . C., 1962.

64. R. K. Dok,a, "Implicati) of Fissien Track Ages from the Faplan Geothermal Geopressure *o.se. Vermalion Parish, Louisiana",

Transactier s of Gulf Coast Association of Geological Societies, Vol. 32, 1992.

l 65 W. F. McDonough, D. G. !;elson and C. ?. Mattisen, " Major and Trace Element Variation in a Dynamically Evolving Silicon Magma Chamtor", T rans-Pecos Volcanism, March 1982.

66. J. H. Schieffer, G. D. Mataircr. and D. G. !; e l s o n , "~he Mineral-ogy and Geochemistry of the Igneous Rocks of the Terlingua District, Erewster County, Texas", 'Irans-Pecos Volcanism.

March 1982.

67. J. H. Schieffer and G. D. Mattison, "tiature and origin of I Alkalic and Calcic Veinlets in Xencliths from the Terlingua District, West Texas", Geological Society cf America, 1982.

i I 68. C. Conrad, " Uranium in the C> atman Creek Granite and .ts Economic Impact", M. S. Thesis in Geology, Sul Ross State, 1982.

, 69 W. Schaftenaar, " Uranium in Igneous Rock of the Central Davis f Mountains of West Texas", M. S. Thesis in Geology, Sul Ross

., tate, 1982.

i I 70. H. Deigl and D. E. Felt:, " Antiquity, Man and Machine", pre-sented at the E! 3hth TRIGA User's Conference , Idaho Falls, Idaho, March 19b2.

71. B. D. Rogers and J. D. Randall, "In-Poo) tieutron Radiography of Damaged FLIP Fuel", presented at the Eighth T RIGA User's Conference, Idaho Falls, Idaho, March 1982.

72. C.W. Beasley, "Ferfusion Measurement with Rubidium-Si to Krypton-81m Ratio", Ph.D. Dissertation in Veterinary Physiology and Pharmacology, TAMU, 1982.

I ,

1 I

I

L 11-7 C. Brady, " Radiation Field Measurements in the T AMU Nuclear

( 73 M.

Science Center Irradiation Cell", M. S Thesis in Nuclear Engineering, Texas A&M University, 1962.

74. E. J. Parma and R. R. Hart, " Measurements of the Gamma Abundance of Si-31", Proceedings of the Fourth International Conference on

- Neutron T ransmutation Doping of Senieonductors, Gaithersburg, Maryland, June 1952.

75 M. H. Young and R. H. Hart, " Neutron T ransmutation Doping, of p-Type C:ochralski-Grown Ga A S" , Proceedincs of the Fourth Inter-national Conference on Neutron Transnutat ion Dopinc of Semi-I conductors, Gaithersburgh, Maryland, June 1962.

76. K. R. Pond, W. C. Ellis and J. H. Matis, "Digesta Flow Through the Ruminant's Digestive Tract", Eeef Cattle Benearch in Texas, 1983 77 K. R. Pond, W. C. Ellis, W D. James and M. G. Otte, " Analysis I of Multiple Markers Used in !;ut ri t i on Resea rch" , Peef Cattle Research in Texas , 1963

78. K. L. Welch, " Fluence Monitor Calibration of the Multiple Rotisserie Irradiation Device for Neut ron T ransmutation Doping",

M. S. Thesis in Nuclear Engineering, Texas A&M University, 1963 P 79 L. Pgronish , A. N. Hanna and O. Suschny, " Report on Inter-c r m pa r i s c r. < S-14 S-15, 5-16 of the Determination of Uranium and Thorium in Thorium Ores", IAEA Beport I AE A /HL /101, 1983

80. J. H. Schieffer, and D. O. Nelson, " Petrology and Geochemistry of Megacrysts, Xenoliths and Their Host Basalts from the I Terlingua Mercury District of West Texas", Geological Soc. of America, Abstracts with Procran, Vol. 13, 1963

81. D. O. Nelson, K. L. Ott and R. D. Tolley, " Geochemistry of I Cibolo Creek I: Evaluation of Element Distribution in Stream Sediments", Earth Sciences, 1983

82. R. L. Rudnick, " Geochemistry and Tectonic Af finities of a Proterozoic Bimodal Igneous Suite, West Texas", Geology, 1983 83 W. G. McDonougn, "The Geochemistry and Petrology of a Trachyte Comendite Suite from the Oligocene Paisano Volcano, West Texas", M. S. Thesis in Geology, Sul Ross State, 1983

84. M. C. Kennicutt II, W. L. Kenny-Kennicutt, B. J. Presley and F.

Fenner, "The Use of Pyrolysis and Barium Distributions to Assess the Areal Extent of Drilling Fluids in Surricial Marine Sediments", Environ. Geol., 4, 1963 l

. . . . . = . . ,

L 11-8 f

L

[ 85 B. J. Presley and D. D. Sheu, "Orea basin: Recent Deep-Sea Black Mud", Annual Meeting of the Geological Society of America, Indianapolis, Indiana, 1983

86. M. Whiteacre, "Sorber Performaice Data on the Recovery of Strategic Elements from Seawr.cer", M. S. Thesis in Nuclear Engineering, Texas A&M Unt.ersity, 1963

87. F. B. Best and M. Whiteacre, "Sorber Performance Data on the I Recovery of Strategic Elements from Seawater", International Meeting on Recovery of Uranium from Seawater, Tokyo, Japan, 1983

88. F. R. Best, " Interpretation and Analysis of Sorber lerformance Data on Recovery of Uranium from Seawater - II", International Meeting on Recovery of Uranium from Seawater, Tokyo, Japan, 1933 lB 89 W. D. James, " Multiple Stable Isotope Markers Used in !1utrition Research", Annual American Nuclear Society Meeting, Detroit, Michigan, 1983

90. M.S. Akanni, V. O. Ogugbuaja and W. D. James, "T race Element Content of Magnetohydrodynamic Coal Combustion Effluents",

J. of Radioanalytical Chem., Vol. 79, llo. 2, 1983

91. R. L. Budnick, "Pe trology and Geochemist ry of '.he Ca rri;.o Mountain Group", Geolory, Spring 1983.

92. T. H. Simpkins, "The Geology and Geochemistry of t.he Aguachili -

Mountain Fluorspar-Beryllium District", presented at The Geologic Society of America Meeting, Fall 1983 93 G. A. Schlapper, R. D. Neff, D. R. Davis and P. S. Sandel,

" Measurement of Routinely Encountered Neutron Doses in Research Facilities", Radiation Protection Management, 1983

94. N. Khalil, "A Test of the Efficiency of the Raw Water Stirring System Installed in Liquid Waste Holdup Tank 1", NSC Technical I heport No. 44, 1983 g 95 D. G. Goodman, " Motor Driven Flux Wire Counter", NSC Technical g Report No. 45, 1983 1

96. .1 . O'Donnell, " Determination of the Neutron Flux in the TAMU Nuclear Science Center Reactor During Pulse and Steady-State Operation", M. S. Thesis in Nuclear Engineering, Texas A&M University, 1983 l

l

_ - .- - - - - ~ . . _ _ - - . _ _ - - _ - _ _ _ _ - _ . _ ~ . _ . _ - _ - . _ _ _ - _ . _ - -

II-9 I

i

!I j 97. D. S. Followill, " Determination of Exchangeable rotarrium in the Canine by Means of Whole-Body Counting", M. S. Thesis in

I !Juclear Engineering, Texas A&M University, 1983

93. M. S. Mohan and R. A. Zingaro, "T race Element Characterisation l of Deep Basin Lignites of Texas", Final Report to 'lexas Energy and Natural Resources Advisory Council, 1983 1

I 99 W.

M.

A. Ilger, " A Study of Uranium in South Texas Lignite",

S. Thesis in Chemist ry, Texas A&M Universit y, 1963 100. L. S. Daley, "ESR of Transition Metal 'Chromophores' in RuBP I Case Supporting Neutron Activation and Optical Data Concepts of UV Light Activation Through Transition Metal Chromophores",

Blue Licht Syndrome, Springer-Verlag, 1984 1 I 101. J. D. Ilger, W. A. Ilger, M. S. Mohan and R. A. Zingaro,

" Characterization of Uranium in a South Texas Lignite", Eleventh ,

I Annual Meeting of Federation of Analytical Chemistry end Spectroscopy Societies, Philadelphia, September 1984 ,

1 J

102. W. C. Ellis, J. H. Matis, K. R. Pond, C. E. Lencano and J. P.

I i

Telford, " Dietary Influences on Flow Bate and Digestive Capacity", Proceedines of Symposium on Herbivore Nutrition i rj the Sub-T ropics a nd 'I ropi en , Johannesburg, South Africa, 19t 4.

1 103. L. D. Both, W. C. Ellis and F. M. Bouquette, Jr., " Sward Attrl-butes and Nutritive '!alue of Coastal Bermudagrass as Influenced by Grazing Pressure", Proceedines of Forare and Grarnlandr I Conference, Houston, Texas, 1964, 1

104 R. V. Machem, " Effects of Physiological Status, Supplementation I and Monencin on Forage Intake, Digestibility and Digesta Turn-over", M. S. Thesis in Animal Science, Texas A&M University, i

/

1984.

' l 105. L. R. Both, " Effects of Grazing Upon Sward Attributes and '

Utilization of Coastal Bermudagrass by Cattle", M. S. Thenis in Animal Science, Texas A&M University, 1984.

106. M. Whiteacre, " Experimental Determination of Elemental Recovery from Natural Seawater Achieved by Ion Exchange Resins", Master I of Engineering project report, Texas A&M University, 1984, H. Tobey, H. J. Shafer and M. W. Bowe, "T ra c e Element Inves-107. M.

I tigations of Mayan Chert from Beline", International Symposium on Archaecmetry', May, 1984.

108. H. Tobey, E. O. Nielsen and M. W. Howe, " Elemental Analysis I M.

of Etruscan Ceramics from Murlo, Italy", International Symposium on Archaeometry, May 1984.

I I

I l 1

.....c.y.,~% rew,.---.gw..,., ,.,.-..-....e_--,..-_,,..,,..,..m,,._._c..-_m,_.. . ~ _ , . , , , - . - . . _ . , , . . , , . . ~ . - - -

-..--e.-%_ ..--

11-10 l

lI 09. M. Charles, "The Application of a Scintillation Flask Technique for the Measurement or Radon Emanation", M. S. Thesis in rauclear

E Engineering, Texas A&M University, 1984 iE i g 110. Y. C. Gonsales, " Aerosol Dilution and Dispersion at the fluelear

,5 Science Center Conrinement Building", M. S. Tnesis in Healtn Physics, Texas A&M University, 1984 111. C. H. Poynton, R. S. Tilbury, J. G. Head, S. Tindle, K. A.

I Dicke, L. Peters and C. L. Reading, " Boron Slow Neutron Capture with Colloidal Cobalt Boride Conjugated to Monoclonal Antibody",

1g Conference on Advances in the Application of Mono-Clonal Anti-bodies in Clinical Oncology, London, U.K., June 1984. j

]3 112. V. O. Ogugbuaja, " Bioaccumulation of Trace Elements from Coal ,

Fly Ash in Rats", Ph.D. Dissertation in Chemistry, Texas A&M

'I University, 1984 l

!E 113. T. E. Clevenger, E. J. Hinderberger, D. A. Yates and W. D.

i 5 James, " Analysis for Trace Elements in Magnetohydrodynamic l (MHD) Pilot Plant Ef fluen t s", Environmental Science and Technology, 18, 1984

'I 114 W. D. James, F. F. Arnold, K. R. Pond, M. D. Glascock and T. G. ,

Spalding, " Application of Prompt Gamma Activation Analysis and l I Neutron Activation Analysis to the Use of Samarium as an Intestinal Marker", J. of Fadicanalytical Chem., 83, 1984.

5 115. W. F. McDonough and D. O. !!elson, " Geochemical Constraints on 5 Magma Processes in a Pera1kaline System: The Paisano Volcano, West Texas", Geochem. Cosmochim. Acta, Vol. 48, 1984.

! 116. D. O. Nelson, K. L. Nelson and G. D. Mattison, " Reconnaissance i

Geochemistry of Rocks of the Trans-Pecos Magmat.ic Belt",

Geological Soc. of America Abstracts, Vol. 16. No. 2, 1984.

.I 117. D. O. Nelson, K. L. Nelson and G. D. Mattison, " Implications of Trace Element and Isotopic Compostion for the origins of lI tilicic Rocks of the East-Central Trans-Pecos Magmatic Belt of West Texas", Geological Soc. of America Abstracts, Vol. 16, No. 4, 1984 l 118. R. T. Perry,, W. B. Wilson and T. A. Parish, "A 14-MeV Neutron Source", Sixth Topical Meeting on the Technology of Fusion Energy, San Francisco, California, March 1984 119. G. A. Schlapper, D. C. Kay, R. D. Neff and P.

f S. Sandel, " Dose Ecuivalent Measurements in an Area of Reduced Shielding at the

';exas A&M Variable Energy Cyclotron", Radiation Protection Management, July 1984 i

1I

11-11

!I 120. J. G. Pina-Jordan, " Measurement and Modeling of Uranium and Strategic F.lement Sorption by Amidoxime Besins in Natural I Seawater", M. S. Thesis in Nuclear Engineering, Texas A&M University, 1985 121. E. D. Seager, " Acceptor and Donor Production in Hg d Te by NT D" , M. S. Thesis in Nuclear Engineering, Texas A&M University, 1985 122. M. Schuller, "An Investigation of .".coueous Slurries as Fusion '

Reactor Blankets", Ph.D. Dissertation in Nuclear Engineering,

' Texas A&M University, 1985 123. Y. R. Contreras and G. A. Schiapper, " Aerosol Dilution and Dis-persion in a Nuclear Research Facility", Radiation f rotect ion I

Manacement, July 1985 124. K. L. Nelson, " Combined Elemental and lat. topic Evaluation of a 1

E Deep-Water Carbonate: Implications for a t'yr amic Di age ne t ic E Model", Geolorical Soc. of America Abstracts, Vo'. 17, No. 7, September 1985 l 125. K. L. Nelson, " Combined E]emental and Isotopic Evaluation of a Deep-Water Carbonate: Implications for a Dynamic Diagenetic S. Thesis in Geology, Sul Ross State, 1985 Model", M.

126. G. D. Mattison, " Mineralogy and Petrology of the Sheep Canyon Basalto, Trans-Pecos Volcanic Field, West Texas", Geolocical Soc. of America Abstracts, Vol. 17, No. 3, 1985 I 127 D. O. Nelson and M. L. Nelson, " Geochemical Comparison of l Alkaline Volcanism in Oceanic and Continental Settings: l I Clarion Island Versus the Eastern Trans-Pecos Magmatic Pro-vince", Geolorical Soc. of America Abstracts, Vol. 17, No. 3.

l 1985 I 128. G. M. Vasquez, P. S. Sandel and G. A. Schlapper, " Development of the Scintillation Flask Technique for the Measurement of Indoor Racon-222 Concentrations", presented at the Mid-Year Symposium I I of the Health Physics Soc., Colorado Springs, Colorado, January, 1985 129. G. M. Vasquez, " Development of the Scintillation Flask Technique I for he Measurement of Indoor Radon-?22 Concentrations", M. S.

Thesis in Health Physics, Texts A&M Jniversity, 1985 130. P. N. Boothe and W. D. James, " Neutron Activation Analysis of l Barium in Marine Sediments from the North Central Gulf of Mexico", J. Trace and Microprobe Technioues, 3, 1985 l

l

11-1P I 131. W. D. James, v. O. ogugbuaja, M. D. clasecek and R. C. Attig, I " Partitioning of T race Elemento in MHD Coal Comburtion Erfluents", Proceedincs of the Fi!t L Ln_ternatinnal Conf on

!Juelear Methedr in Environ, and Em -cy Research, 19 8 'a .

132. C. M. Meyer, " Improved Assessment of Population Doses and Bisk Factors for a Nuclear Power Plant Under Accident Conditionr",

M. S. Thesis in Nuclear Engineering, Texas A&M Universit y, 1985, 133. J. H. 1; lech, " Determination of Radiation Absorbed Dose to the Kidneys of Rhesus Monkeys from Radiolabelled Ortholedohippuran",

M. S. Thesis in Nuclear Engineering, Texas A&M University, 1985 134. D. L. Mayfield, "A Calibration and Evaluation of Eberline Instrument Corporation's SPING-4 hadiological Air Monitor",

I M. S. Thesis in Nuclear Eng.neering, Texas A&M University, 1985 135. R. Yupari, "Three-dimensional Neutronies Calculations for the I Texas A&M TRIGA Beactor",

Texas A&M University, 1965 M. S. Thesis in Nuclear Engineering, 136. R. D. Rogers, " Modification and Verification of the "SPOOFA" I Computer Code for use at the Texas A&M University Nuclear Science Center", M. E. Project in Nuclear Engineering, Texas A&M University, 1985 I 137 H. C. Cheung and A. Clearfield, "T he Oxidative Dehydrogenation of Cyclohexene Catalyzed by CrCufPO ) " , Journal of Catalynin, Vol. 98, 1986.

138. T. Feeley and E. Morrin, " Petrologic Similarities of Eocene

Quart:-Olivine Basaltic Andesites, Oregon and Montana",

I Geological Soc. of America Abstracts, Vol. 18, No. 6, 1986.

139 E. Morris and G. Nelson, " Petrologic and Age Relations in Granite Mountain Syenite", Geological Soc. of America Abstracts, Vol. 18, No. 3, 1956.

I 140. D. O. Nelson and D. Gerlach, "Sr, Nd, and Pb Isotopic Com-positions of Rocks of Clarion Island, East-Central Pacific Ocean", Geological Soc. of America Abstracts, Vol. 18, No. 6, 1986.

141. B. Sanza, " Measurement of Neutron Spectra for Determining Dose Equivalent Rates at the Texas A&M University Nuclear Science I Center", M.S. Thesis in Nuclear Engineering, Texas A&M University, 1986.

I I

I

11-13 I 142. C. Meyer and G. Schlapper, "A Comparison of Dose Ca]culation Methodologies for Airborne Releases from Nuclear Power Plants",

I Radiation Protection Management, April 1986.

143 J. Randall, " Development of a Generic Job Task List for I Research Beactor Operators and Senior Reactor Operators", pre-sented at the Tenth TRIGA User's Conference, College Station, Texas, April 1986, 144. R. Yupari, h. Perry and f. Parish, "Three Dimensional Neutronics Calculation for the T AMU Nuclear Science Center TRIGA Reactor Using Bold Venture", presented at the Tenth TRIGA I User's Conference, College Stat on , Texas , April 1986.

i 145 J. L. Krohn, D. E. Feltz and H. Khalil, " Software Development for Research Beacto;'s", presented at the Tenth TRIGA User's Csnference, College Station, Texas, April 1986.

I 146. S. Na, R. Perry and T. Parish, " Spectroscopy System for Use With a Fusion Plate Installed on the T AMU Reactor", presented at the Tenth TRIGA User's C-onference, College Station, Texas, April 1986.

147 P. N. Boethe, B. J. Presley, "Long-term Fate of Drilling Mud Barite on the Texas-Louisiana Continental Shelf and Slope",

AGU/ASLO Meeting, Ne' Orleans, Louisiana, January 1986.

148. K. L. Nelson, D. O. Nelsor., D. Shucker and B. Brister, I " Physical Evidence for Open-System E volution of the Trans-Pecos Magmatic Province", Geological Society of America Abstracts, Vol. 18, No. 6, 1986.

l 149 D. E. Feltz, "The Conversion of TRIGA Research Beactors from High-Enriched Uranium to Low-Enriched Uranium Fuel:

Operator View", T rans. American Nuclear Society, Vol. 52, Owner /

g June 1986.

150. R. Knaus, " Neutron Activation Analysis of Very Recent Accumula-tions in Wetlands Bordering the Northern Gulf of Mexico",

I presented at the Annual American Chemical Society Meeting, New Orleans, Louisiana, September 1987 l 151. W. D. James, P. N. Boothe, " Ocean Sediment Analysis by NAA",

Proceedings of ANS Topical Conference on Methods and Applica-tion of Radioanalytical Chemistry, Kona, Hawaii, April 1987 152. D. B. McCarthy, W. C. Ellis, and R. Worley, " Digestion of Fiber in Segments of the Bovine Gastrointestinal Tract", Journal of Animal Science, Vol. 65, Supplement 1, 1987.

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L 153 K. N. Grigsby, F. M. Rouquette, Jr., W. C.

{ Ellis, D. P.

Hutcheson and G. T. King, " Source and Lcvel of Protein Supple-ment on Per formance of Calves Grazing Bermuda Grass Pastures",

Journal of Animal Science", Vol. 65, Supplement 1, 1987 154. M. J. Wylie, M. C. Calhoun, A. Lastovica, W. C. Ell.3 and J. H.

_ Matis, " Turnover of Dietary Residues Through Successive Anatomical Segments of the Lamb's Gastrointestinal Tract",

Journal of Animal Seierut, Vol. 65, Supplement 1, 1987.

155. E. Rivera-Villarreal, W. C. Ellis and J. H. Matis, " Flow of Masticated Particles From the Rumen Upper Digesta Ftruta of I Cattle", Journal of Animal Science, Vol. 65, Supplement 1, 1987 156. E. Rivera-Villarreal and W. C. Ellis, " Effects of Ammoniation I of Bermuda Hays on Particle Size Reduction and Outflow in Cattle", Journal of Animal Science, Vol. 65, Supplement 1, 1987.

157. M. C. Wells, P. N. Boothe and B. J. Presley, " Iridium in Marine Biota", AGU Meeting, 1987 158. D. O. Nelson, K. L. Nelson and R. S. Miner, "Geochemistr y of Plutons in the Eastern Trans-Pecos Magmatic Province",

I Geological Society of American Abstracts, Vol. 19, No. 3, 1967 159 R. L. Ward, D. O. Nelson and K. L. Nelson, "T race Element and Oxygen Isotope Evidence for the Origin of Quartz-Trachytes and Rhyolite, Northern Davis Mountains, West Texas", Geological Society of America Abstracts, Vol. 19, No. 5, 1987 160. J. L. Krohn, " Radiation Effects Testing Capabilities of the Texas A&M Nuclear Science Center", presented at 4th Symposium on Space Nuclear Power Systems, Albuquerque, New Mexico, January, 1987 161. M. C. Wells, P. N. Boothe and B. J. Presley, " Iridium in Marine Biota", AGU Fall Meeting Transactions 1988, 162. W. D. James and P. N. Boothe, " Evaluation of Gamma Lines for NAA", American Nuclear Society Annual Meeting, San Diego Transactions 1988.

163 W. D. James and P. N. Boothe, " Ocean-Sediment Analysis by NAA", Journal of Radioanalytical and Nuclear Chemistry 123/1, 295 1988.

I

II-15 I 164. W. C. Ellis, J. H. Matis and D. Poppi, "Use of Age-Dependent Compartmental Models to Estimate Particulate Flow in I Ruminants", Journal of Animal Science, 66/1, 479 1968, 165 M. E. Denham and T. T. Tieh, " Distribution and Occurrence of I Uranium in Reservoir Rocks", American Association of Petroleum Geologists, 72/2 1988.

I 166. E. Rivera-Villareal, " Forage and Animal Response to Ammoniations of Coastal Bermuda-grass Hays of Different Maturities", Ph.D. Dissertation, Texas A&M University, 1988.

167 P. Lee, " Dosimetry of Noble Fission Gas Products", Ph.D.

Dissertation, Texas A&M University, 1988.

168. V. Crowley and S. Kuhlman, " Apatite Thermc':hemistry of the Western Canadian Shield: Implications for the Origin of the Williston Basin", Geophysical Research Letters, 15/3, 221 1988.

169 B. C. Covington and M. O. Manasreb, " Fourier-T rans form Inf ra-Red Absorption Studies of Intracenter Transitions in the EL2 I Level in Semi-Insulating Bulk GaAs grown with the Liquid-Encapsulated C ochpalski Technique", Physical Review, 35/5, 2524 1988.

170. B. C. Coving an, et al,, " Electron Paramagnetic Resonance of Isolated As Antisite Defect in Neutron-Transmutation Doped GaAs", Solid State Comm., M , 1267 1988.

171. J. L. Krohn, T. H. Fisher, " Modification of the NSCB Control Rod System Utilizing Optically Sensed Rod Position Indication",

I Eleventh TRIGA Owner / User Conference, AFRRI, Bethesda, Maryland, April, 1988.

I 17' D. E. Feltz, " Installation and Operation of a D 0 Moderated Rotisserie Irradiation Device for the NSCR", Eleventh TRIGA Owner / User Conference, AFRRI, Bethesda, Maryland, April, 1988.

173 J. W. Davis, "Two-Dimensional Neutronics Analysis of the T4MU Nuclear Science Center Reactor Using Transport and Diffusion Tooory Based Codes , M.S. Thesis in Nuclear Engineering, Texas I A&M University, 1988, E. Denham and T. T. Tieh, " Uranium as an Indicator of Fluid 174. M.

Migration During Late-Stage Diagenesis", Geological Soolety of America, Vol. 20, No. 7, 1988.

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175 A. R. Tripp, " Geochemistry of Arsenic and Antimony in Galveston

{ Bay. Texas", M. S. Thesis in Oceanography, Texas A&M University, 1988.

m 176. A. T. Showler, R. M. Knaus amd T. E. Reagan, " Foraging Terri-toriality of the Imported Fire Ant, Solenopsis Invicta Pu 'en ,

ia Sugarcane as Determined by Neutron Activation Analysic ,

Insectes Sociaux, Paris, Vol. 36, No. 3, 1989 177 R. M. Knaus and D. L. Van Gent, " Accretion and Canal Impacts in a Rapidly Subsiding Wetland 111 A New Soil Horison Marker Method for Measuring Recent Accretion", Estuarier, Vol. 12, No. 4, 1989 176. P. N. Boothe and B. J. Presley, " Trends in Sediment Trace Element Concentrations Around Six Petroleum Drilling Platforms I in the Northwestern Gulf at Mexico", in Drilling Wastes, Engelhardt, Ray & Gillon eds., Elgevier Science Publishers, London, 1989 179 J. D. Corrigan and K. D. Crowley, " Thermal History of Sites 717 and 718, ODP Log 116, Central Indian Ocean: Constraints from Numerical SimulTtions and Apatite Fission-Track Data",

Geological Society of America Annual Meeting, 1989 180. K. D. Crowley, "Phanerosoic Thermal History of Michigan Basin I and Southern Canadian Shield from Apatite Fission-Track Analysis", Journal of Geophysical Research, 1989 181. J. D. Corrigan and K. D. Crowley, " Fission-Track Analysis of Detrital Apatites from Holes 717 and 718, ODP Log 116, Central Indian Ocean", Proceeding of the Ocean Drilling Program, 1989

,E 182. N. S. Khalil, " Design, Installation and Implementation of a B Neutron Depth Profiling Facility at the Texas A&M Nuclear Science Center", M.S. Thesis in Nuclear Engineering, Text s A&M University, 1989 183 T. L. Salamanca, " Ultrasonic Measurement of Residual Stress in Steels Using Critically Refracted Longitudinal Waves", Ph.D.,

I Dissertation in Mechanical Engineering, Texas A&M University, 1989 I 184. G. R. Shelton, "Neutronics Evaluation of the Replacement Fuel for the Nuclear Science Center TRIGA Reactor", M.S. Thesis in Nuclear Engineering, Texas A&M University, May, 1989 185 J. M. vukovics, " Stress Analysis on NSC Beo-UO2 Fuel Element Using AUSYS, M.E. in Nuclear Engineering, Texas A&M University, December, 1989 I

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L 186. R. Parthasarathy, " Reduced Enrichment Neutronics Evaluation for r

Texas A&M Nuclear Science Center Reactor", M.S. Thesis in

[ Nuclear Engineering, Texas A&M University, August, 1939 187 M. E. Denham and T. T. Tieh, "St ylolites in the Upper Smackover Formation of North Louisiana", American Association of I Petroleum Geologists Annual Meeting, 1990,

] 188. u. M. Knaus, " Instrumental Neutron Activation Analysis to l Measure Short-term Accretion and Erosion in Wetlands Using Rare Earth Element Soil Horizon Markers", International Conference on Activation Analysis and Applications, Feijing, China, 1990.

189 M Mallett, " Calibration and Assessment of a Unique Standup Moving Detector Whole Body Counter'. M.S. Thesis, Nuclear Engineering, Texas A&M University, 490.

190. J. A. Reuscher, "The Real-Time Neutron Radiography System at Texas A&M University", Twelf th TRIGA Owner / User Conference, i University of Texas, March 1990.

191. J. L. Krohn, J. A. Reuscher and N. S. Khalil, " Multiple Experi-ment Applications with a Beam Port", Twelfth TRIGA Owner / User I Conference, University of Texas , March 1990.

192. J. A. Reuscher, S. P. Midgett and J. W. Wright, "Real-Time I Neuti on Radiography at Texas A&M University", Abstracts of Seventh Symposium on Radiation Measurements and Applications, Ann Arbor, Michigan, May, 1990.

193 J. A. Reuscher, S. P. Midgett and J. W. Wright, "Real-Time Neutron Radiography at Texas A&M University", Nuclear Instruments and Methods in Physics Research, A299, 1990.

194. J. W. Wright, " Design and Implementation of a Dynamic Neutron l Radiographic Imaging System", M. S. Thesis in Nuclear Engineering, Texas A&M University, May, 1990.

p 195 S. P. Midgett, " Design, Development and Applicationa of a Low-cost, Dynamic Neutron Radiography System Utilizing the T AMU NSC I TRIGA Reactor", M. S. Thesis in Nuclear Engineering, Texas A&M University, May, 1990.

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I APPENDIX III A Listing of Educational Institutions, Industrial, Government and Medical Organizations That Have Utilized the Facilities and Services of the NSC I

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L Educational Institutions Abraham Baldwin College Fort Valley State College Alfred State College Galveston College Arapahoe Junior College Grayson County College Arkansas State University Grove City College Arkansas Tech University Hastings College Auburn University Henderson County Junior College Austin College Hill Junior College Ball State Teachers College Howard Payne College Baylor School of Medicine Iowa State University Baylor University Kent State University Bemidgi State College Lamar University Blinn College Laredo Junior College Bluefield College Lock Haven State College Bryan High School Longwood College California State College Louisiana State University California State Poly. College Louisiana Tech University Catholic College for Women Mary Hardin Baylor College Chadran State College Massachusetts Institute of Tech.

I Cheyney State College McCullough High School McLennan Community College Clarion State College Columbus College McNeese State University Community College of the Miami University (Ohio)

Finger Lakes Milwaukee Institute of Technology Defiance College Moody College Denison University Nebraska Weslyan University I Eastern Kentucky University East Texas University New Mexico State Unviersity New Mexico Institute of Mining and Technology I

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III-2 Educational Institutions (Cont'd) l North Park College and Taft College Theological Seminary North Shore Ccemunity College Tarleton State College North Texas State University Temple University Oregon State University Thames Valley State Tech. College Pan American University Tennessee Tech University Potomac State College Texas Eastern University I Prairie View A&M University Texas Southmost College Rice University Texas State Tech. Institute -

Harlingen Sam Houston State University Texas State Tech. Institute - Waco I San Antonio College San Bernadino Valley College Texas Tech University Texas Women's University Somerset Community College University of Alaska South Dakota School of Mines University of Arizona South Dakota State University University of Arkansas Southeast Missouri State College University of Calif. at Los Angeles Southern Methodist University University of Corpus Christi Southwest. n State College University of Genova Southwest Texas State College University of Houston I Southwest Theological Seminary State College of Arkansas University of Illinois (Chicago)

University of New Hampshire State, University College, N.Y. University of Oklahoma State University of Ohio University of Pittsburgh Stephen F. Austin College University of Southern Louisiana Sue Bennett College Univer sity of Texas - Arlington Sul Ross State University University of Texas - Austin University of Texas - Dallas University of Texas - El Paso I l

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{ Educational Institutions (Cont'd)

UT Medical School - San Antonio West Virginia Institute of Tech.

UT System Cancer Center Wharton County Junior College University of Texas - Tyler Winona State College University of Washington Wisconsin State University University of Wisconsin Xavier University Victoria College i

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L Industrial Organizations h

- AAE/BCS Traders, Inc. Exxon Production Research Ankha Nuclear Amber Engineering Exxon Research and Development American Hoechst Corporation General Electric Company Andrychuk Gemstones General Nuclear Corporation Atomic Energy Industrial Gulf Nuclear, Inc.

Avery 011 Company Gulf Research Babcock and Wilcox Company Gulf Science and Technology Balcones Research Gulf States Utilities Company i- Bell Helicopter Halliburton Services, Inc.

Bendix Corporation Hastings Radiochemical Works I Bio Assay Lab - Bio Nuclear Houston Area Research Center Bro: Labs Houston Lighting and Power Co.

Cardinal Survey Hughes Aircraft Company Celanese Company Hughes Research Labs Chemtrol, Inc. Independent Exploration Company Comfaco Institute of Research and Instrumentation Core Laboratories Isotex Diamond Alkali Company Jet Research Center, Inc.

Dow Chemical Company Kansas Gas and Electric Company Kearfott Guidance D. W. Mueller, Consultant K. W. Brown & Associates Eastern Whipstock Lane Well Company Ebasco LGL, Ltd.

E.I. DuPont DeNemours and Co. Lloyd Barber and Associates Electric Reliability Council Medical Arts Texas Engineers / Designers, Inc. Mission Engineering Estrada, Inc. Mobil Oil Company E-Systems, Inc. Monsanto, Inc.

Exxon Oil & Refining Morris Engineering Company

I L III-5 L

Industrial Organizations (Cont'd) r I

t NAPKO Corporation Statcs Marine Liuts North American Aviation Stoneworks

{ Nuclear Environmental Eng. Corp. Technology for Energy Corp.

Nuclear Laboratory Services Tech-Sil Corporation

[ - Nuclear Sources and Services, Inc. Teledyne Isotopes, Inc.

Pacific Gas and Electric Co. Temple Industries Petro-Tex Chemical Corp. Tennessee Gas Transmission Co.

Foretics, Inc. Texaco, Inc.

Pro-Tag Services, Inc. Texas Instruments, Inc.

Racon Texas Nuclear Corp.

Radian Corporation Texas Romee Radiation Consultants, Inc. Todd Shipyards Corp.

Ranger Engineering Traceco Services, Inc.

[- R/A Services, Inc. Tracerco, Inc.

Raytheon Corporation Tracer Labs of Midland Research Concepts TRACO, Inc.

Resource Engineering TRIAD Rivera Foods Tru-Tec Corporation Santa Barbara Research Center TRW-EDS f Shell Chemical Company Turbine Lab Shell Development Co. - Houston Universal Technology Corp.

Shell Development Co. - Oakland Westinghouse Electric Co.

Southwest Research Institute Xomax Spectratek, Inc.

Spectronics, Inc.

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L Government and Medical Organizations Amarillo District Attorney Austin Police Department -

Brooks Medical Center

Bureau-of Economic. Geology Corpus Christi District Attorney b Dallas' County District Attorney Denton County District Attorney Fort Worth': Police Department

{

Houston Di. strict Attorn;y Houston: Police Department International Atomic Energy Agency

' Jefferson County District Attorney-Lawrence Livermore-Labs--

M. D. Anderson Tumor Center and Hospital

( -- National-Aeronautics-and Space Administration North East Radiological Health Lab Oklahoma Medical Examiner

-Orange' Police Department

' Osage County._. Oklahoma District Attorney

[ Scurlock Orthopedic

_TAES~0ffice of State Chemistry The Methodist Hospital of Houston United States Air Force

. United States Army

-United States Bureau of Mines

[ ' United States Geologic Survey Wichita Falls District Attorney l

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I APPENDIX IV Texas A&M University Departments Served by the NSC During Twenty Eight Years of Operation I

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u TAMU Department _, and Agencies Bioengineering Program, College of Engineering Center for Chemical Characterization and Analysis Center for Energy and Mineral Resources College of Architecture and Environmert-l - Design College of Medicine Cyclotron Institute Department of Aerospace Engineering i Department of Animal Science Department of Archaeology Department of Architecture Department of Biochemistry and Biophysics Department of Building Construction Department of Chemical Engineering Department of Chemistry Department of Civil Engineering Department of Electrical Engineering I Department of Engineering Design Graphics Department of Engineering Technology Department of Entomology Department of Forest Science Department of Getlogy Department of Geophysics Department of Health and Physical Education Department of Horticulture Sciences Department of Industrial Education Department of Industrial Engineering Department of Large Animal Veterinary Medicine and Surgery Department of Mechanical Engineering Department of Nuclear Engineering Department of Oceanography Department of Petroleum Engineering

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{ TAMU Departments and Agencies (Cont'd) i i

l Department of Physics i Department of Plant Pathology and Microbiology u

1 Department of Plant Sciences s

! Department of Radiation Biology Department of Range Science 4

Department of Recreation and Parks Department of Soil and Crop Sciences

. Department of Veterinary Physiology and Pharmacology l

Department of " Vet" Public Health l Department of Wildlife and Fisheries Sciences i

Fireman's Training School Radiological Safety Office l Texas Agriculture Experiment Station Texas Engineering Extension Service, Electronic Training 1

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APPEliDIX V Environmental Survey Program, Effluent Release Summary and Personnel Exposure Summary I

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V-1 I Summary of Health Physics Support for the Operation of l the Nuclear Science Center Reactor l -

• Provided Health Physics monitoring support for processing I 697 irradiations.

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• Prepared 369 shipments of radioactive material for shipment B to locations off-site (industry, other universities, etc.).

• Prepared 93 shipments of radioactive material for shipment to other locations on the Texas A&M campus.

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• In conjunction with representatives of the State of Texas Department of Health conducted a quarterly environmental I survey program. This program consists of TLD monitors located around the NSC site and the collection, analysis and evaluation of soil, water, vegetation and milk samples.

• Provided personnel monitoring support for 32 persons on a daily basis and 2,998 visitors as required.

• Performed radionuclide identification and determined radioactivity concentrations for 41 releases of radioactive liquid effluents totaling 1.47 E+6 liters (3.88 E+5 I gallons).

• Performed surveys of the Nuclear Science Center facilities I for radiation levels and radioactive contamination including the collection, analysis and evaluation of approximately 200 smear samples on a monthly basis.

• Conducted radiation safety training for 75 NSC employees and experimental personnel using the NSC facilities.

• Generated a report to the Nuclear Regulatory Commission identifying mishandling of radioactive material and the records associated with the mishandled material.

• Prepared for disposal over 300 sources of radioactive material shored at the Nuclear Science Center between 1977 and 1989.

• Transferred to the Office of Radiological Safety six barrels of resins and assorted waste for disposal.

• Revised all the Health Physics procedures to reflect changes made in the organization.

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l Effluent Release Summary Introduction Summaries of the radioactive effluents releases from the Nuclear Science Center for 1990 are included in this Appendix.

These data are presented in tabular form and includes atmospheric, liquid and solid waste releases.

Particulate Releases E Radioactive particulate are monitored at the base of the E central exhaust stack and are summarized on a monthly basis. The annual average release rate was 8.46 E-11 uCi/cc. Total activity release for 1990 was 6.26 E-3 C1.

Gaseous Releases I Argon-41 is the major gaseous effluent produced and released at the Nuclear Science Center. This effluent is measured by counting the Argon-41 photopeak in the gaseous discharges of the I central exhaust stack. Total Argon release during 1990 was 7.11 Curies. This figure yields an annual release rate of 9.62 E-8 uCi/cc as measured in the central exhaust stack with no dilution factors applied. These data are summarized in Table 2.

Eq]ld Radioactive Waste I Approximately 104.2 kg of uncompacted dry solid waste material was packaged in plastic bags for disposal during 1990.

These materials were transferred to the Texas A&M University Office of Radiological Safety, Texas License No. 6-448 for disposal. These plastic bags contained laboratory glassware, irradiation containers, decontamination materials, and expendible protective clothing (shoe covers, gloves). The total radioactivity in all these bags summed was 4.7 E-2 C1. This data is shown in Table 3.

The Radiation Protection Staff also transferred several barrels of waste resins to the Texas A&M University Office of Radiological Safety. The total activity in these barrels of waste resins was 1.33 E-2 Ci. This data is shown in Table 3A.

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L' Licuid Waste Releases Radioactive liquid effluents are collected in liquid holdup waste tanks prior to release from the confines of the Nuclear Science Center. Sample activity concentrations and isotope identification was performed for each release. There were 41 releases in 1990 totaling 1.47 E+6 liters excluding dilutents from the Nuclear Science Center. The total radioactivity released for 1990 was 1.28 E-2 Ci with an average concentration of 2.96 E-5 uCi/cc. Summaries of the radioisotopic data are presented in Tables 4 through 16. Radioactivity concentrations for each isotope were below the limits specified in 10 CFR20, g Appendix B Table II, Column 2.

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TABLE 1 Particulate Effluent Releases Annual Summary 1990 Month Exhaust Average I Radioactivity Volume (cc)

Concentration (uCi/cc)

Releases (Ci)

I January 6.31 E12 3.7 E-11 2.33 E-4 February 5.70 E12 5 6.6 E-12 3.76 E-5 March 6.31 E12 5 6.6 E-12 4.16 E-5 April 6.12 E12 9.2 E-10 5.63 E-3 May 6.31 E12 1.4 E-11 8.96 E-5 June 6.12 E12 7.6 E-12 4.65 E-5 July 6.31 E12 4.6 E-12 2.90 E-5 August 6.31 E12 1.3 E-11 7.88 E-5 September 6.12 E12 5 6.6 E-12 4.03 E-5 October 6.31 E12 5.1 E-15 3.21 E-8 November 6.12 E12 5 1.6 E-15 1.00 E-8 December 6.31 E12 $ 1.6 E-15 1.03 E-8 Total Volume : 7.43 E13 (cc)

Annual Average Release Concentration * : 8.46 E-11 uCi/cc Total Activity Released : 6.26 E-3 Ci I

• as measured in the central exhaust stack I '

V-5 i TABLE 2 Gaseous Effluent Releases I Argon-41 Annual Summary 1990 I

Month Exhaust Average Average Total I Volume (cc)

Concentration (uCi/cc)*

Concentration (uCi/cc)+

Activity (Ci)*

I JANUARY 6.31 E12 5.14 E-9 2.52 E-11 3.18 E-2 FEBRUARY 5.70 E12 8.23 E-8 4.11 E-10 4.69 E-1 MARCH 6.31 E12 1.17 E-7 5.85 E-10 7.38 E-1 APRIL 6.12 E12 3.36 E-8 1.68 E-10 2.05 E-1 MAY 6.31 E12 8.7 E-08 4.35 E-10 5.49 E-1 JUNE 6.12 E12 1.68 E-7 8.4 E-10 1.03 E-1 JULY 6.31 E12 1.2 E-7 6.0 E-10 7.5 E-1 AUGUST 6.31 E12 1.85 E-08 9.25 E-11 1.16 E-1 SEPTEMBER 6.12 E12 5 2.02 E-7 1.01 E-9 1.23 E-1 OCTOBER 6.31 E12 1.38 E-7 6.9 E-10 8.7 E-1 NOVEMBER 6.12 E12 1.29 E-~7 6.45 E-10 7.7 E-1 DECEMBER 6.31 E12 5.54 E-8 2.77 E-10 3.49 E-1 Total Volume : 7.44 E+13 cc Annual Average Release Concentration * : $ 9.62 E-8 uCi/cc Total Argon-41 Activity Released : 7.11 Ci II I

• As measure in the central exhaust stack

+ As determined using the dilution factor from pgs 117-119 of the SAR I

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h TABLE 3 Solid Waste Disposal Summary

[ 1990 Isotope Activity fuC11 Co-60 773.459 Co-57 100.620 Co-58 0.260 Mn-54 291.784 Zr-95 80.120 Eu-152 180.624 Eu-154 340.749 1 Tm-170 801.560 Hb-97 0.259 Sc-46 52.125 i Ir-192 Ru-103 55.437 5.896 Cs-137 50.541 i Ce-144 Sb-124 I-124 415.236 11.276 11.079 Fe-59 I

Zn-65 Sm-153 3.016 1040.875 27.500 Nb-95 161.031 Cd-109 362.900 Total Activity: 4766.347 uCi (4.7 E-2 Ci)

Total Weight: 104.200 kg 4

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TABLE 3A r Solid Waste Disposal Summary L Resin Waste 1990 Isotone Activity (uCl)

Mn-54 20.58 Co-60 121.66 I Eu-152 Eu-154 86.83 112.23 Co-57 78.14 Cd-109 260.19 I Tn-228 650.54 Sm-153 0.70 Cs-137 1.60 Total Volume: 257.50 gallons Total Activity: 1332.47 uC1 (1.30 E-2 Ci) 1.30 E-2 Ci i

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L TABLE 4 Radioactive Liquid Effluont Releases Summary 1990 No of Conc. MPC Activity Isotope Releases C u.1/cc uCi/en Curies Co-60 21 9.5E-6 3E-5 4.2E-4 I Cr-51 Cs-137 13 1

4.4E-5 1.3E-7 2E-3 2E-5 1.8E-3 9.9E-7 K-40 4 2.6E-6 3E-4 9.1E-5 i Mn-54 Na-24 30 6

3.2E-5 7.5E-6 1E-4 1E-4 1.2E-3 3.4E-4 Nb-97 5 4.5E-6 9E-4 1.6E-4 l Sb-124 2 9.9E-7 2E-5 5.6E-5 g Sc-46 24 2.0E-4 4E-5 7.1E-3 Sr-95 2 9.0E-7 7E-5 3.2E-5 Zn-65 5 2.4E-5 1E-4 1.3E-3 Total Number of Releases : 41 Total Volume : 1.47 E+9 ml (3.51 Et5 gallons)

Total Activ : 1.28 E-2 Curies Avg. Concentration : 2.96E-5 uCi/cc I

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L TABLE 5 Radioactive Liquid Effluent Releases

( January 1990 f No of Conc. MPC Activity IsotoDe Releases uCi/cc uCi/cc Curies Co-60 4 4.5E-6 3E-5 2.68E-4 Mn-54 4 2.5E-6 1E-4 1.37E-4 K-40 1 2.8E-7 3E-4 1.16E-5 Sb-124 2 9.8E-7 2E-5 5.62E-5

{ Na-24 1 7.5E-7 1E-4 4.24E-5 Zn-65 1 6.3E-6 1E-4 3.58E-4 Total Number of Releases: 4 Total Volume: 2.0 E+8 ml Total Activity: 8.732 E-4 Ci Avg. Concentration: 3.83 E-6 uCi/cc l

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TABLE 6 r Radioactive Liquid Effluent Releases L February 1990 I No of Conc. MPC Activity Isotope Releangs uCi/cc u_Ci/cc Curieq_

Co-60 2 7.35E-7 3E-5 1.15E-5 Mn-54 2 1.61E-6 1E-4 2.55E-5 .

Zn-65 1 7.74E-7 1E-4 1.17E-5 Total Number of Releases: 2 Total Volume: 3.23 E+7 ml Total Activity: 4.87 E-5 Ci Avg. Concentration: 1.04 E-6 uCi/cc I

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L TABLE 7 L Radioactive Liquid Effluent Releases March 1990

[ Isotope No of Releases Conc.

uCi/cc MPC uCi/cs Activity Curies Co-60 3 8.49E-7 3E-5 1.94E-5

{ Mn-54 3 4.17E-6 1E-4 8.58E-5 Cr-51 1 2.90E-6 2E-3 4.95E-5 Total Number of Releases: 3 Total Volume: 7.92 E+7 ml Total Activity: 1.55 E-4 Ci Avg. Concentration: 2.64 E-6 uCi/cc I

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L TABLE 8 Radioactive Liquid Effluent Relear.as

[ April 1990

( Isotope No of Releases Conc.

uCi/cc MPC uCi /cg Activity Curies

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Co-60 1 1.82E-7 3E-5 6.63E-6 Mn-54 1 3.21E-7 1E-4 1.16E-5 Total Number of Releases: 1 Total Volume: 3.64 E+7 ml

-Total Activity: 1.82 E-5 Ci Avg. Concentration: 2.52 E-7 uC1/cc I

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TABLE 9 ,

11adioactive Liquid Effluent 11elennes May 1990 lio of Conc. HPC Activity IfdLtRE2 Releases RC1/_C.c uC1/cc curies Co-60 2 2.87E-7 3E-6 1.21E-S Mn-54 5 3.69E-6 1E-4 1.47E-4 I }4a-24 Cr-51 2

2 2.66E-6 6.070-6 1E-4 2E-3 1.150-5 3.03E-4 Total flumber of fieleases: 5

, Total Volume: 2.04 E+0 ml Total Activity: 4.74 E-4 C1 Avg. Concentration: 3.17 E-6 uCi/cc I

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[ Radioactive Liquid Effluent Releases L June 1990

[ No of Conc. MPC uCi/cc Activity Curich__,,

Icotope Relenser uCi/cc Co-60 3 7.40E-7 3E-b 2.78E-5 C Mn-54 2 1.19E-6 3Z-4 4.79E-5 K-40 1 1.14E-6 JE-4 5.62E-b Zn-65 1 4.72E-7 1E-4 1.34E-5

[ Cr-51 2 5.77E-6 2E-3 2.46E-4 Sc-46 4 6.46E-6 40-5 2.38E-4 Total Number of Releases: 5 Total Volume: 1.84 E+8 ml Total Activity: 6.29 E-4 Ci Avg. Concentration: 2.63 E-6 uci/cc 1

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TABLE 11 Radioactive Liquid Effluont Relenses July 1990 140 of Conc. MPC Activity Isotopt flglrannn qC1Lcs nC1/_pg CuricI_

~

Co-60 1 4.03E-7 3E-5 1.91E-5 Mn-54 2 2.75E-6 10-4 1.12E-4 I K-40 Na-24 1

1 6.75E-7 1.81E-6 30-4 1E-4 1.02E-5 8.56E-5 Cr-51 2 5.52E-6 2E-3 2.24E-4 Sc-46 6 9.24E 5 fE-5 2.91E-3 Total 14 umber of Releases: 6 Total Volume: 1.72 E+8 ml Total Activity: 3.36 E-3 Ci Avg. Concentration: 1,73 E-5 uCi/cc I

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4 TABLE 12 l Radioactive Liquid Effluent Releasen August 1990 No of Conc. MPC Activity

'. Isotone Releases UCi/cc RCi/cc Curies l Co-60 1 4.12E-7 3E-5 1.87E-5 l Mn-54 1 7.26E-7 1E-4 3.30E-5

Sc-46 1 2.59E-6 4E-5 1.18E-4 Total Number of Releases: 1 l Total Volu3e: 4. 55 E+7 ml

Total Activity

1.69 E-4 Ci Avg. Concentration: 1.24 E-6 uci/cc 4

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I TABLE 13

Radioactive Liquid Effluent Releases September 1990 No of Conc. MPC Activity Isotope Releases u.Ci/cc uC1/cc Curiec Co-60 2 4.98E-7 3E-5 1.850-b Mn-54 3 5.21E-6 1E-4 2.11E-4 I Na-24 Zn-65 1

1 6.62E-7 5.60E-6 1E-4 1E-4 3.01E-5 3.18E-4 Cr-51 2 1.06E-5 2E-3 4.27E-4 I Sc-46 Sr-92 Nb-97 4

1 1

4.16E-5 7.60E-7 3.00E-6 4E-5 7E-5 9E-4

.1.62E-3 2 88E-5 1.140-4 Total Number of Releases: 5 Total Volume: 2.01 E+8 ml Total Activity: 2.77 E-3 Ci Avg. Concentration: 8.49 E-6 uCi/cc I

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TABLE 14 Radioactive Liquid Effluont Releases October 1990 No of Conc. MPC Activity i i Isotope Eglcanf;n uC1/gr uCi/cc Curiec Mn-54 2 1.26E-6 1E-4 7.22E-5 i K-40 1 3.12E-7 3E-4 1.300-5 Na-24 1 1.65E-6 1E-4 6.88E-5

. Cr-51 1 2.96E-6 2E-3 1.79E-4 Sc-46 4 1.33E-5 40-5 6.62E-4 I Nb-97 Cs-137 3

1 7.61E-7 1.31E-7 9E-4 2E-5 3.21E-5 9.93E-7 Total Number of Releases: 4 .

Total Volume: 1.52 E+8 ml Total Activity: 1.03 E-3 Ci Avg. Concentration: 2.91 E-6 uC1/cc I

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TABLE 15 F Radioactive Liquid Effluent Releason L 140vember 1990 J

Ho of Conc. MPC Activity Isotope Relenten uCi/cs uC.ilc.c Curier.__

Co-60 2 5.70E-7 3E-5 1.550-5 Mn-54 3 4.60E-6 1E-4 1.31E-4 Cr-51 2 7.40E-6 2E-3 2.29E-4 Sc-46 3 2.54E-5 4E-5 6.07E-4 Sr-95 1 1.39E-7 7E-5 3.16E-6 Nb-97 1 7.52E-7 9E-4 1.71E-5 Total Number of Releases: 3 Total Volume 7,77 E+7 ml Total Activity: 1.08 E-3 Ci Avg. Concentration: 6.47 E-6 uCi/cc I

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. _ . _ . . . _ _ _ _ _ . . - _ _ . . _ _ . - . _ _ . ~ . . . _ _ _ _ _ . _ - _ _ _ _ _ - . _ . _ ,

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TABLE 16 Radioactive Liquid Effluent Releases 1 i December 1990 l I No of Conc. MPC Activity l

Isotonc Relearda uCi/cs nCi/cc Curies i

Mn-54 2 3.87E-6 1E-4 1.67E-4 Zn-65 1.11E-5 IE-4 6.14E-4 I

1 Cr-51 1 2.74E-6 2E-3 1.52E-4

Sc-46 2 2.54E-5 4E-5 7.91E-4 Total Number of Releases

2 Total Volumet 9.32 E+7 ml l

Total Activity: 1.72 E-3 Ci Avg. Concentration: 1.07 E-5 uCi/cc I

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ENVIRONMENTAL SURVEY PROGRAM Introduction The environmental survey samples were collected in

- accordance with the schedules of the cooperative surveillance program between the Texas State Department of Health and the l Texas A&M University. These samples were analyzed for gross gamma and beta activities and isotope identification.

B Data from these samples reflect the continued use of retention facilities and sample analysis for laboratory effluents prior to their release.

The environmental survey program includes the in-situ measurement of integrated radiation exposures at the site I boundaries. These measurements are made for a period of approximately 90 days using flouride chips in glass encapsulated 3 bulbs. The dosimeters are provided and processed by Texas l Department of Health, Bureau of Radiation Control, Division of -

Environmental Programs. The state utilizes a background monitor located at a point 5.25 miles west-southwest of the NSC f acility.

I This site for the background measurement is generally at right angles to the prevailing southeasterly winds.

I Table 17 lists the average exposure rate above ambient background for a number of locations at the site boundary. The highest exposure point was determined to be at Site #12 (349 mR/yr) which is on the NSC Site Boundary fence northeast of the I reactor building near the calibration range source building.

The closest offsite point of extended occupancy is located I just beyond the Site Boundary fence directly behind the Site #10 monitoring location. From the data in Table 17, it can be easily shown that those occupants received much less than twice the average local off-site background exposure.

Summaries of the environmental survey program for 1990 are presented in Tables 18-21 for total (sum) gamma or total beta

'I activity as reported to the NSC or as determined by the NSC when data from the state was unavailable.

I V-22 TABLE 17 Environmental Radiation Monitoring Program i Radiation Exposures, 1990 l (including background)

Measured I Average Exposure Projected Annual Rate Exposure I site i Location ,(pR/182 dayr) 41.4 M W ald 83 l 2 300 ft. W of reactor I building, near fence corner 250 I 3 250 ft WSW of reactor building, on SW chain link fence 124.2 4 200 ft NW of reactor building, 51.3 103 on chain link fence, near butane tank 5 225 ft NE of reactor building, 45.9 92 on fence N of driveway 6 300 ft NNE reactor building, 102.6 206 near fence corner 10 190 ft SE of reactor building, 31.3 63 on SE chain link fence I 11 300 ft E of reactor building, near fence corner 31.9 64 12 375 ft. NE of reactor building, 87.0+ 349 I near source building 320 ft. NE of reactor building, 154 13 76.8 near waste storage shed 14A* 5.25 miles WSW of reactor 15.3+ 64 building, at FM 60 bridge over I Brazos River Measured Values: 1st & 2nd quarter results from Bureau of Radiation Control, Texas Department of Health (2/12/90 through 8/6/90) l

• Background values.

+ information provided for 91 days only

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TABLE 18 r Environmental Survey Program L Vegetation 1990 i

[ Total Activity Activity Q1r Locatiom (UCi/ gal) 111 Mall 151 TAMU dairy < MDA < MDA 2nd TAMU dairy 1.40 E-3 8.16 E-5 3rd N/A N/A N/A

[ 4.th TAMU dairy < MDA ( MDA

[

+am 1

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. _ - . ~ . - . - - . . - . = _ . . . - - - . . . . . . - . . - . . . . - - _ . - _ - . - _ . . _ - - - - ~ - - . . . _ . - - _ - . . .

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TABLE 19 Environmental Survey Program l Water i 1990 I

Total Activity Activity Qtt Location fuCi/ml1 iuCi/ml1 1st Brazos River < MDA < MDA 1El White Creek < MDA < MDA 2nd NSC Creek 5.87 E-4 7.73 E-7 I 2nd 2nd 3rd White Creek Brazos River White Creek

< MDA 7.99 E-4

< MDA

< MDA 7.99 E-4

< MDA

, g 3r.d Brazos River 1.737 E-7 < MDA 3 3r.d NSC Creek 3.658 E-5 2.27 E-5 4th White Creek 5.35 E-7 < MDA I

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TABLE 20 r Environmental survey Program L Milk 1990 Total Activity Activity D.t;r Locatisn fuCi/mli Luci /ml.1 int TAMU dairy 1.002 E-6 < MDA 2nd TAMU dairy 1.192 E-6 1.84 E-7 3rd TAMU dairy 7.406 E-7 < MDA 4th TAMU dairy < MDA < MDA I 4th TAMU dairy 8.137 E-5 8.137 E-5 I

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[ RADIATION AND CO!!TAMINATION CONTROL PROGRAM

[ Introduction L 4 The detection and climination or control of radiation hazards is an integral part of the Radiation Safety Program at

( the Nuclear Science Center. The radiation and smear survey programs contribute to the control and clinination of these health hazards. This program is effective in preventing the

[ spread of radioactive contamination, improper storage of radioactive materials, and unwarranted exposures.

Radiation Survey The Nuclear Science Center uses an area radiation monitoring system consisting of ten (10) detector channels located throughout the Reactor and Laboratory Buildings. This system is 3 equipped with alarm settings and remote readouts in the control l and reception rooms.

rerarded on a daily basis. This system functions as a radiation Radiation levels and operational checks are safety monitor for the early detection of radiation hazards. The Nuclear Science Center facilities and site boundaries are surveyed monthly with beta-gamma sunnitive instruments. These measurements are taken to determine proper storage and identification of radioactive materials and that visitor and I routine work areas are free of radiation hazards. Additionally, radiation monitoring support is provided for the reactor operations and experimenter groups to insure the cafe handling of I radioactive materials and control of personnel exposures. At the perimeter of the NSC site, radiation levels did not exceed the 500 mrem dose limit during 1990.

Q.ontamination Survev i radioactive contamination every month.

The Nuclear Science Center is routinely surveyed for collection, analysis and evaluation of approximately 200 smear This program includes the samples and the decontamination of areas and materials with removable beta-gamma radioactivities of greater than 250 dpm/100 cm2 . The 250 dpm/300 cm2 is an administrative limit, Standard Operating Procedures call for decontamination of any items with levels in excess of 1000 dpm/100 cm'.

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PERSONNEL EXPOSURES Radiation exposures to personnel at the Nuclear Science Center in 1990 were below the limits set forth in 10CTR20.101.

. The maximum exposure received by any individual for the year was '

460 mrem. A total of 3.6 MANREM was received for 1990. These data are summarized in Table 22.

All employees at the Nuclear Science Center were changed to neutron badges as an evaluation of the potential for exposure to I neutrons indicated that the majority of NSC employees have the potential for exposure.

I During 1990, 2,998 persons visited the Nuclear Science Center. The maximum exposure to any visitor as determined by issued film badges did not exceed minimum measurable quantities.

Dosimetry results were provided by a NVLAP accredited supplier.

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TABLE 22 L

1990 NSC DOSE REPORT b EMPLOYEE TOTAL (mrem) OTR. WIIOLE BODY (mrem)

NUMBER \ BODY RTllD w LT HD SE u-- .-

.g  : ==ra=..

- 3 - .,,=r-- FIRST lwCOND[ . ~ - - THIRD

. - m ===.IFOURT11 g - _=v=w ;

?. 70 670 140 10i 60! 0 0 3 NA NA 30i I

1 30 60 30 20{

4  !

h0 NA N'A 10 10! 30 0 b  : 40 NA NA 0 10i 30 0 6 1 450 i f00 the i 40 170 I?O 1?O I 7 8

9 i

i i b0 40 30 NA NA 93 NA NA 110 .

10 40 60 Ot 30 40

_ _0 10 t

0 0 30 0 10 1 0 0 0' O O! 0 0 1 11 17 140 40 N'A 100 NA 1M i 30 40I 40 30 30 0

13 30 NA N'A 0{ 10f 30 Ol 01 0 14 40 NA NA O! 10} 30 0 1 lb 16 i

1 b0 200 1770 270 1200 i 240 :

(4 ' 10[ PO f.0 0 10I 110 80 17 i I ?O -

100 1 40 i 60 OI PO 40 18 ; ifg 970 b70 70 30I M 40 1 19 t 460 940 490

[

??O 90} 1M 40 20  ! 114 X4 31 0 [ 60 10 40 PO{

P1 40 t[A N'A 0 10 30 0 I  ??

?3 P4 I

i 60 0

0 NA N.A NA NA NA 10 0

PO 0

30 0

0 0

i N 'A 0 0 0 0 i PL M ;

77  :

i i

60 40 O

70 W

140 110 f4

?/0

[

i LO 10 0

10 0

01 30 0

0 0

0 0

?8 i 0 703 130 i 0 0 0 0 I

?9 i bo 1 90 1 90 L 0 0 bo 0 30 i 70  ??O 140 20 0 31 l ife 440 4?O 30 4

100 30 0

0 32 340 ?940 i bo I

1 3?LC i 93 30 70 33 i 100 4M 370 l 100 0 0 0 34 i 0 N4 N!A i 0 0 0 0 3b i 30 N!A N /A 0 0 30 0 M i 30 1 50 170 i 20 0 10 0 37 0 N 'A N>A 0 0 0 0 l

38  ; O N'A N'A I O O O O 39 i 0 NJA N 'A r 0 0 0 0 40 i bo N *A N 'A 0, PO 30 0 41  ! 60 N!A N.A i Pol 10 30 0 MANREM: 3.65 l 12.25 l 11.49 l 1.14 I 0.83 1 1.08 l 0.0

.