ML20248J169

Twenty-Fifth Progress Rept of Texas A&M Univ Nuclear Science Ctr,Jan-Dec 1988

ML20248J169
Person / Time
Site:	05000128
Issue date:	12/31/1988
From:	Khalil N, Krohn J, Meyer C TEXAS A&M UNIV., COLLEGE STATION, TX
To:	Chris Miller Office of Nuclear Reactor Regulation
References
ORO-4207-21, NUDOCS 8904140339
Download: ML20248J169 (96)

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-1 I TWENTY-FIFTH PROGRESS REPORT l OFTHE TEXAS A&M UNIVERSITY g

NUCLEAR SCIENCE CENTER 5 JANUARY 1,1988-DZCEMBER 31,1988 l CONTRACT DE-AC05-76ER04207

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TWENTY-FIFTH PR0GRESS REP 0RT of the T'E X A S A&M UNIVERSITY NUCLEAR SCIENCE CENTER January 1, 1988 - December 31, 1988 Prepared by N. S. Khalil J. L. Krohn C. M. Meyer J. E. Petesch G. S. Stasny and the Nuclea'r Science Center Staff Submitted to 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, Trxas I March 1989 l

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Table of Contents I, P J g!;

I. Introduction 1 II. Reactor Utilization 3 A. Utilization Summary 3 B. Utilization by the Texas A&M University System 3 C. Utilization by Other Educational Institutions 7 Ds Utilization by Non-University Institutions 11

-III . Facility Cperations 13 A. Facility Safety and Operational Improvements 13 Underwater Radiation Surveys 13 Liquid Waste Holdup Tank Modifications 13 Containment Building Overhe.ad Crane 13 B. Improvements to Reactor Systems and 13 Experimental Facilities Noble Gas Fission Product Irradiator 13 Removal of Console Supply Voltage Regulation 13 New Pneumatic System a:'d Intercom Panels 14 Surveillance and Control of Lower Research Level 14 C. Operational Problems 16 Reportable Occurrences 16 Reportable Occurrence No. 88-01 14 Failure of Linear Channel Compensating Voltage Supply Transient Rod Air Leak 14 Reactor Frame Jack Failure 14 Contrcl Rod Drive Position Indication Troubleshooting 15 Facility Air Compressor Failure 15 I -i-

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-I D. Changes in Operating Procedures 15 E. Unscheduled Shutdowns 16 F. Reactor Maintenance and Surveillance 16 IV. Facility Administration 18 A. Organization 18 B. Personnel 18 C. Reactor Safety Board 21 Appendix I Description of Projects Utilizing the NSCR Appendix II Publications, Theses and Papers Involving Use of NSC Facilities From 1976 to Date Appendix III Educational Institutions, Industrial, Government and Medical Organizations Served by the NSC Appendix IV Texas A&M University Departments Served by the NSC During Twenty Five Years of Operation

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

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g List of Tables and Figures

, Page Table I Reactor Utilization Summary 5 Table.II Academic Use of the Reactor 8 Figure ,

i 1 Yearly Reactor Operation 4 2 Nuclear Science Center Reactor 19 Operations Organization Chart I ,

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I I I. INTRODUCTION The Nuclear Science Center is operated by the Texas Engineering Experiment Station as a service to the Texas A&M University System and the State of Texas. The facility is available to the University, organizations and individuals. The facility operating license, R-83 issued by the U.S. Nuclear Regulatory Commission, currently extends through March, 2003 This report has been prepared by the staff of the Nuclear Science Center of the Texas Engineering Experiment Station to satisfy the reporting requirements of U.S. DOE Contract #DE-AC05-76ERO)4207 (formerly EY-76-C-05-4207) and of the U.S. NRC, under 10CFR50.59 The I report covers the period from January 1, 1988 through December 31, 1988.

Utilization of the reactor increased over that experienced in 1987 All measures of reactor useage increased over the numbers posted in 1987 except for the number of pulses and the total reactivity inserted. The number of irradiation cell experiment hours and beam port experiment hours both increased over 1987 levels con-tinuing the trend of the past few years. However, unlike 1987, the number and length of in-core irradiations also increased this year re-flecting some rebound of the oil and chemical industries. The Nuclear Science Center again was a participant in the U.S. DOE Reactor Sharing Program during 1988 but the software development program with the International Atomic Energy Agency concluded during the year.

Core VIII-A, which has been operational since March 1986, was used throughout 1988. Pulse operations were continued at a low level I in 1988 with a total of 30 pulses ($44.90 total pulse reactivity) executed. As in the previous few years, pulsing operations were re-stricted mostly to calibrations and laboratory demonstrations.

The heavy water filled irradiator experiment was fully imple-mented during 1988 with some modifications to the pressure and temperature monitoring circuitry due to failures. The irradiator was I used for so.ne preliminary work in boron content determination and also as a source of highly thermalized neutron irradiations. A noble fission gas generator experiment was implemented during 1988 whien is I used to conduct studies into expected radiation dose rates from immersion in a semi-infinite cloud of fission products. The pre-liminary work on the prompt gamma activation analysis system and a I neutron depth profiling system that will both use Beam Port #1 con-tinued during the year.

Several operational problems occurred in 1988, but none resulted in significant losses of operating time. The moct serious of these problems was the failure of one of the jacks which hold up the reactor l frame. This jack was replaced with the loss of only la day of l operation.

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2 There were no changes made to the site area during this reporting

. period and no changes were made to the security or emergency systems.

I Dr. Kevan Crawford resigned his position of Manager of Reactor Operations in October, 1988. There are currently no plans for filling this position. Dr. John Poston was named by the licensee to hold the I position of Director of Research Reactor Programs in the NSC's organizational chart.

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II. REACTOR UTILIZATION A. Utilization Summary I Utilization of the NSCR for the 1988 calendar year is illustrated by Figure I and Table I. Figure I shows the annual totals for reactor operation for the years 1975 through 1988.

During the present reporting period the NSCR was utilized by over I 520 students (including approximately 30 researchers) and 25 faculty and staff members representing 15 departments at Texas A&M University. In addition, more than 180 faculty and students I from 14 other educational institutions used the facilities and 3,656 visitors were registered during 1988. A total of 22 non-educational organizations utilized the NSCR d tring the year for their commercial and research applications.

A total of 40 foreign officers visiting at Lackland Air Force Base visited the NSC during the year. In addition 11 I other officers visited the NSC as part of a training course offered by the Radiation Safety Office.

I During twenty five years of operation, the NSC has provided services to 44 departments at Texas A&M University, 114 other colleges and universities, 100 industrial organizations, and 24 governmental and medical organizations (see Appendix III and IV I for listings).

B. Utilization by the Texas A&M University System During 1988 the following personnel from various departments at Texas A&M University used the NSCR for research. Appendix I describes some of the proj^ cts completed.

Animal Science-Faculty: Dr. W. C. Ellis, Professor Dr. G. T. Schelling, Professor Dr. L. W. Greene, Assistant Professor Students: A. Lastovica E. Rivera-Villareal K. Grigsby S. Martin I D. Poppi S. Rodriguez M. Hill I

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5 I. TABLE I REACTOR UTILIZATION

SUMMARY

1988 Annual Total

1. Number of Days Reactor Operated 243 Reactor Operation (MW-Days) 85.093 Number of Hours at Steady State 2135.876 42.718 Average Number of Operating Hours Per Week Total Number of Pulses 30 Total Pulse Reactivity Insertion $44 90

.I Number.of Irradiations 752 Number of Samples Irradiated 15,045 Sample Irradiation Hours 174,773.32 Average Number of Irradiations per Operating Day 3.095 Irradiation Experiment-Hours 7861.875 Beam Port Experiment-Hours 370.036 Irradiation Cell Experiment Hours 152.801 Total Experiment Hours 8384.712

'I Fraction of Utilization Attributable to Commercial Work .29 Number of Visitors 3656

• Note: 50 Weeks of Operation Available g

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I Center for Chemical Characterization and Analysis (CCCA)

Staff: Dr. D. James, Research Chemist T. Woods, Technician Student: L. Acevedo Chemistry Department Faculty: Dr. M. W. Rowe, Professor Dr. R. Zingaro, Professor Dr. A. Clearfield, Professor Dr. T. R. Hughbanks, Assistant Professor I Students: E. Campbell J. Perez Z. Zhong Y. Ortiz D. Ilger J. Speed Geology Department Faculty: Dr. T. Tieh, Professor Student: M. Denham Geophysics Department Faculty: Dr. N. Carter, Professor Student: W. Morgan Mechanical Engineering Department I

1 Faculty: Dr. D. Bray, Associate Professor Student: T. Salemanca Nuclear Engineering Department Faculty: Dr. R. R. Hart, Professor Dr. D. W. James, Associate Professor Dr. M. E. McLain, Associate Professor Dr. T. A. Parish, Associate Professor Dr. J. A. Reuscher, Professor Students: G. Shelton S. Na L. Foster J. Davis M. Whiteacre K. Seager P. Lee

7 Nuclear Science Center Staff: J. Krohn, Manager of Technical Services W. Davis, Research Associate N. Khalil, Research Associate I G. Stasny, Reactor Supervisor D. Deere, Research Associate i

Oceanography Department Faculty and Staff: Dr. P. Boothe, Asst. Research Scientist Dr. B. J. Presley, Professor Students: M. Wells Physics Department Faculty: Dr. J. A. McIntyre, Professor Students: R. Seidel W. Loewer Radiological Safety Office I Staff: Dr. M. E. McLain, Radiological Safety Officer J. Simek, Assistant Radiological Safety I Officer C. Meyer, Senior Health Physicist Students: S. Bateman I P. Hoover M. Grimes Veterinary Physiology and Phar"lacology Faculty: Dr. D. Hightower, Professor In addition to the research performed by the above per-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.

C. Utilization by Other Educational Institutions In addition to Texas A&M University, services were provided to the following educational institutions through the Department of Energy Reactor Sharing Program. A description of some of I the projects utilizing the reactor is presented in Appendix I.

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TABLE II Academic Use of the Reactor-I No. of Students Department Course No. Instructor and Purpose Building Construction 336 Woods 29-Tour Trost 18-Tour Chemistry 116 Kolar 243-Tour Industrial Education 144 Mayer 6-Tour' I Nuclear Engineering 101 Peddicord 13-Tour 102 Cochran 11-Tour 402 James 13-Tour / Demo '

405 Schlapper 12-Lab / Class 606 R,euscher 18-Lab / Class Oceanography 646 Presley 12-Lab i

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i Baylor University --. Waco, Texas Faculty: Dr. Ken-Hsi Wang, Professor of Physics Students: Physics Class i East Texas State University -- Commerce, Texas Faculty: Dr. Razniak Louisiana State University -- Baton Rouge, Louisiana 1 Faculty: Dr. Ron Knaus Students: D. Von Gent A. Showler S. Brown J. Nguyen I. P. McKay McLennan Community College -- Waco, Texas Faculty: Mr. Don Tatum, Instrsetor of Physics Students: Physics Class Miami University -- Oxford, Ohio Faculty: Dr. K. Crowley Student: J. Corrigan Sam Houston State University -- Huntsville, Texas Faculty: Dr. B. Covington Students: A. Lu P. Roan N. Koger L. Qing Southern Methodist University -- Dallas, Texas Faculty: Dr. S. Kelley '

Dr. K. Damm Student: C. McKinney Stephen F. Austin University -- Nacogdoches, Texas Faculty: Dr. L. C. Hallman, Director, Energy Institute

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10 Sul Ross-State University -- Alpine, Texas I Faculty: Dr. D. Nelson Dr. J. Richerson Students: K. Nelson R. Ward T. Yu L. Baker B. McDaniel T. Angela J. Thornton J. Webb S. Cowell J. Roberts J. Larke J. Zubia R. Baker S. Rudine J. Tellez D. Whitfield s

Texas State Technical Institute -- Waco, Texas Faculty: Mr. R. Wheet, Instructor Students: Nuclear Technology Classes University of Okalahoma -- Norman, Oklahoma Faculty: Dr. B. Weaver Students: J. Aquilar P. Anderson University of Texas - - Austin, Texas Faculty: Dr. J. Kyle Student: B. Coel Public and Private School Tours No. of Students A&M Consolidated -- College Station, TX 193 Bammel Middle School -- Houston, TX 42 Baytown High School -- Baytown, TX 10 Bryan / College Station Science Teachers 40 Bryan High School -- Bryan, TX 36 i' Coolidge High School -- Coolidge, TX 7 I Dallas High School -- Dallas, TX Eisenhower High School, Houston, TX Engineering Program for Minorities -- TAMU 8

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Hardin Jefferson High School -- Sour Lake, TX 15  !

High Park Baptist Elementary -- Austin, TX 58 i Honors Program -- TAMU 80 Iola Middle School -- Iola, TX 17 Jersey Village High School -- Houston, TX 60 Keystone High School -- San Antonio, TX 21 Kincaid High School -- Houston, TX 18 I

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Public and Private School Tours (Cont'd) No. of Students Lamar School -- Bryan, TX 64

. Lumberton High School -- Lumberton, TX 30 Needville High School --. Needville, fX 36 Normangee High School -- Normangee, TX 16 Persall High School -- Persall, TX 8 Quinlan Ford High School -- Quinlan, TX 15 San Antonio High School -- San Antonio, TX 16 Sharpstown High. School -- Houston, TX 40

, Spring Middle School -- Houston, TX 41 I Wells Middle School -- Houston, TX Wilkerson Intermediate School -- Woodlands, TX Willowridge High School -- Houston, TX 48 60 51 Woodville High School -- Livingston, TX 25

~I D. Utilization by Non-University Institutions AAE/BCS Traders -- Globe, Arizona Experimenter: D. Williams Cardinal Survey -- Odessa, Texas Experimenter: A. Bond Gulf Nuclear -- Webster, Texas I Experimenters: C. Blackburn P. Nixon Houston Area Research Center -- Houston, Texas Experimenter: J. Ziegler Hughes Aircraft Company -- Carlsbad, California Experimenters: D. Bell Dr. B. Hart M. D. Anderson Hospital (University of Texas' Medical Center --

Houston, Texas Experimenter: Dr. J. Cundiff Methodist Hospital -- Housto.1, TX Experimenter: Dr. W. Cole I

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.I 12 Poretics Corporation -- Livermore, California Experimenters: G. Hubbard S. Lukezic J. Humphrey R/A Services, Inc. -- Odessa, Texas Experimenters: D. Hicks J. Ames RACON, Inc. -- Tyler, Texas Experimenters: R. Heine K. Munn

' I[s Shell Developmer,t Company -- Houston, Texas Experimenters: P. Filpus-Luyckx W. Stringfellow Southwest Research Institute -- San Antonio, Texas Experimenters: F. Iddings J. Hageman Texas Instruments -- Dallas, Texas I Experimenters: S. Halfacre L. Blackburn Tracerco, Inc_._ -- Houston, Texas Experimenters: W. Ramage B. White I R. Gilman D. Bucior THW-EDS -- Redondo Beach, California Experimenters: D. Randall T. Lunn I Tru-Tec -- LaPorte, Texas I Experimenter: C. Winfield J. Landry United States Geological Survey -- Denver, CO and Ruston, VA Experimenter: D. McKown l

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13 III. FACILITY OPERATIONS A. Facility Safety and Operational Improvements Underwater Radiation Surveys A three. inch diameter PVC dry tube thirty-six feet in length was built for the purpose of conducting underwater radiation surveys. The

- unit was weighted for desired buoyancy and allows increased detector monitoring of areae and devices scheduled for diving or experiment placement and removal.

Liquid Waste Holdup Tank Modifications Remote indication of liquid waste tank levels was completed by the-

1. installation of pressure transducers on each tank. Meters and alares are operable in the control room and the demineralized room. The sampling lines und valves were also changed to stainless steel for increased strength and reduced maintenance.

Containment Building Overhead Crane The containment building overhead crane underwent preventative maintenance in replacement of bridge wheels and lubing of the crane components. Inspection of the electrical units was performed with no repairs required.

B. Improvements to Reactor Systems and Experimental Facilities Noble Gas Fission Product Irradiator A cylindrical unit containing a one gram of uranyl nitrate may be positioned in the neutron flux by use of a bracket placed on the thermal column extension or coupler box. An inert gas is used to sweep the noble gas fission products to an exposure chamber where dosimetry measurements may be obtained. Control suction on the experiment is obtained through use of the thermal column fission gas filtering system.

Removal of Console Supply Voltage Regulation The reactor console instru antation supply voltage has been regulated by use of a SOLA final filter transformer. As upgraded i equipment installation has taken place, the need for this voltage f regulation has decreased. A failure of the SOLA transformer and subsequent review of need for replacement of this item resulted in the decision to remove this type of incoming voltage regulation, instead, relying on internal component and power supply circuitry. This change was approved as per Modification Authorization - 35 4

l 14 New Pneumatic System and Intercom Panels The need to consolidate various pneumatic system controls resulted in the construction and installation of a new pneumatic system permit and sample counter panel. Lighted switches are used to permit experi-I menter use of the pneumatic system, and sample counters are switch-selected to monitor the number of samples activated.

I Communication between the control room and up to eight experi-mental areas is possible through use of a new intercom system that allows for continuous monitoring of experiments as desired.

1 Surveillance and Control of Lower Research Level j l

The lower research level underwent installation of additional access controls and monitoring by the installation of additional communication stations, magnetic door locks with solenoid release, and television cameras for area monitoring by the control room. Experi-ments that may result in "High Radiation Areas" have these areas more closely defined with the necessary controls installed.

C. Operational Problems Reportable Occurre.nce 88-01 Failure of Linear Channel Compensating Voltage Supply On April 25, 1988, during reactor startup but at suberitical status, the reactor operator observed erratic siEnal indication in the linear channel. Following shutdown the problem was diagnosed as a failure of the compensating voltage power supply. An identical power ,

supply was installed and the system was verified operational by com- j pletion of semiannual maintenance. After confirming and documenting /

I proper operation of the linear channel, the channel was placed back in service.

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Transient Rod Air Leak In January 1988 an air leak around the transient rod lower shaft seal was detected. Removal and disassembly of the unit revealed an I o-ring was being used for the shaft seal in place of a required cap seal. The proper parts were obtained from the manufacturer of the transient rod drive and installed. The unit was tested for satis-factory performance and returned to service.

Reactor Frame Jack Failure The reactor may be moved horizontally within the reactor pool by first lif ting the reactor frame on a set of four scissor-type jacks.

On May 19, 1988, while being lowered into operating position, the i reactor frame northwest jack failed. Following removal of the failed jack, the reactor was lowered to the pool floor and secured. A new jack was modified as required and installed. The reactor frame was adjusted for plumb and the reactor was returned to service.

15 Control Rod Drive Position Indication Troubleshooting The shim safety control rod drive units occasionally would indicate a small error in actual rod position. To correct this error, the controller circuit board was replaced in each rod drive unit with a new board that incorporates previous changes and modifications. The system logic was changed to verify motor direction prior to counting the directional pulses (MA 32-2). l Elimination of some electronic " noise" was accomplished by the change of an interlock relay from mechanical to solid state (MA 32-3).

This relay actuates whenever a control rod "up" switch is actuated, preventing transient rod movement.

Facility Air Compressor Failure Reactor operation was suspended on October 24, 1988 due to failure of the main facility air compressor. The reactor operator was alerted I to the failure by the " low facility air pressure" alarm and corrective action was taken. The malfunction was caused by electrical contactor failure which was repaired and the system returned to service.

D. Changes in Operating Procedures Changes to the following SOP's were reviewed and approved by the RSB during the reporting period:

SOP's k I-A Definitions and Abbreviations I-E Format I-F Review and Approval II-C Prestartup Checklist II-E Pulsing Operations II-J Calorimetric Worksheet II-L Pulse Calibration III-B Fuel Temperature Measuring Channel III-D Log Power Measuring Channel III-J Transient Rod Drive - Annual III-K Control Rod Inspection l

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SOP's (Cont'd)

III-L Control Rod Drive Maintenance IV-A Experiment Review and Approval IV-B Sample Handling Procedures IV-D Beam Port Experiments IV-E Irradiation Cell Checklist IV-H Thermal Column Film Irradiator VII-A Health Physics Administration VII-B Health Physics Maintenance and Surveillance VII-C Radioactive Materials Control VII-E Personnel Dosimetry VIII-E Intrusion and Pool Level Alarm System IX-A Introduction to Emergency Plan IX-C Building Evacuation SRO Checklist IX-D Implementing Procedures for Operational Events X-A R3 and SRO Requalification Exam E. Unscheduled Shutdowns A total of twelve unscheduled shutdowns occurred during 1988. The unscheduled shutdowns can be arranged in the following categories:

Cause of Shutdowns Number of Shutdowns Building power loss 3 Operations error 6 Electronics and Mechanical a) Compressor failure 1 b) Rod drops 2 F. Reactor Maintenance and Surveillance The Technical Specification requirements for maintenance and 1.

surveillance were completed for all following required channels:

Fuel Element Temperature Measuring Channel Linear Power Channel Log Power Cnannel High Power (Safety) Channels Facility Air Monitoring Channels Area Radiation Monitoring Channels I

17 All control rods were calibrated by January 22, 1988 with a total rod worth of $15.75 and a shutdown' margin of $2.73 The power level (linear) channel was calibrated by the calori-metric method on 1/11/88.

The rod scram time checks resulted in times less than the i Technical Specification limit of 1.2 seconds.

Fuel elements requiring inspection were inspected by 7 January 1988.

All other required maintenance as set forth in the Technical Specifications was performed annually, semi-annually,.or I weekly as required. This was in addition to completion of a pre-startup checklist done daily prior to reactor operhtion.

2. A pulse test program for Core VIII-A was conducted on 7 August 1986 to determine the maximum allowable reactivity insertion for Core VIII-A as required by Tech Spec 3 1.2. The test program produced an insertion limit of $2.09 and an adminis-trative limit of $1 90 was imposed by memo on 28 August 1986.

The pulse mode is calibrated annually by comparison of flux foils. Operability is verified semi-annually by pulsing for comparison of pulse energy and temperature. '

3 The reactivity worth for each experiment was measured as appropriate before reactor operation with the experiment. The most reactive experiment irradiated was the Thermal Column coupler with a value of $1.35

4. Emergency evacuation drills were conducted on February 17 and August 30, 1988.

5. A review of the NSC security plan and emergency plan was con-ducted by the NSC staff and the Reactor Safety Board on 1/29/88.

6. A review of the NSC ALARA program was conducted by the NSC staff and the Reactor Safety Board on 1/29/88.

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18 IV. FACILITY ADMINISTRATION I A. Organization The organization chart for reactor operations at the Nuclear Science Center is presented in Figure 2. During this reporting period Dr. Kevan Crawford left the NSC to return to the University of Utah thus vacating the position of the Manager of Reactor Operations. Don Feltz, John Krohn and Greg Stasny are currently fulfilling the duties normally assigned to the Manager of Opera-tions. Kevan Crawford and Frank Stagg received their Senior Reactor Operator licenses and David Deere received his Reactor Operator license during the reporting period. Also during this reporting period, Frank Stagg resigned his position as Senior Reactor Operator, Doug Mcdonald resigned his position as Reactor Operator and Wesley Davis resigned his position as Engineering Research Associate. D. Sean O' Kelly was hired as a Reactor I Operator during he past year and was.near completion of his training program by the year's end. The recent problem of high turnover among the student operators continued during the year, but the hiring (and planned hiring) of some lower classmen will hopefully help to alleviate this problem in the future.

B. Personnel The following is a list of personnel at the Nuclear Science I Center for the period of January 1, 1988 - December 31, 1988.

Facility Administration and Reactor Operations Staff

+Crawford, K. C. - Manager, Reactor Operations (Terminated) a=

g +Feltz, D. E. - Director

+Krohn, J. L. - Assistant Director

• Mcdonald, D. B. - Reactor Operator (Terminated)

O' Kelly, D. S. - Reactor Operator

+Petesch, J. E. - Reactor Supervisor I

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GROUP OPERATIONS (vacant) ,

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I I Figure 2. Nuclear Science Center g Reactor Operations Organization Chart I

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Facility Administration and Reactor Operations Staff (Cont'd)

Reuscher, J. A. - Professor, and Assistant Director, Nuclear Research Reactor Programs

+Stagg, F. B. - Senior Reactor Operator (Terminated)

+Stasny, G. S. - Reactor Supervisor

• Stowers, M. W. - Reactor Operator Technical Service and Maintenance

• Davis, J. W. - Engineering Research Associate (Terminated)

• Deere, D.. C. - Engineering Research Associate

" Fisher, T. H. - Scientific Instrument Maker II Hobdy, M. - Draftsman (Terminated)

Horn, C. R. - Mechanical Equipment Foreman Jordan, T. - Student Worker I (Terminated)

Kensing, M. - Student Worker I

+Khalil, N. S. - Engineering Research Associate Restivo, A. L. - Engineering Research Associate Steffek, R. - Student Worker I I Tier, M. - Draftsman

• Licensed Reactor Operator I + Licensed Senior Reactor Operator Clerical Mitchell, Y. - Secretary Ribardo, J. - Bookkeeper Werner, M. - Receptionist (Terminated)

Health Physics Staff Grimes, M. - Student Technician (Terminated)

Menchaca, D. - Student Technician (Terminated)

Meyer, C. M. - Senior Health Physicist Rodriguez, L. - Health Physicist

21 C. Reactor Safety Board Committee Composition Chairman F. Jennings, Director, Office of University Research (January 1, 1988 - December 31, 1988)

I. Voting Members R. Green, Assistant Professor, Small Animal Clinic (January 1, 1988 - December 31, 1988)

R. R. Hart, Professor, Nuclear Engineering (January 1, 1988 - December 31, 1988)

J. Hiebert, Professor, Physics (January 1, 1988 - March 31, 1988)

R. Kenefick, Professor, Physics (April 1, 1988 - December 31, 1988)

R. Koppa, Professor, Industrial Engineering (January 1, 1988 - December 31, 1988)

E. A. Schweikert, Professor, Chemistry (January 1, 1988 - December 31, 1988)

Ex-Officio Members G. S. Schlapper, Associate Professor, Nuclear Engineering (January 1, 1988 - December 31, 1988)

D. E. Feltz, Director, Nuclear Science Center (January 1, 1988 - December 31, 1988) 4 M. McLain, Professor and University Radiological Safety Officer (January 1, 1988 - December 31, 1988)

Meeting Frequency The Reactor Safety Board (RSB) met on the following dates I' during the calendar year 1988: 1/29/88, 4/4/88, 7/14/88, 7/25/88, 11/17/88 and 12/15/88.

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i 22 RSB Audits During the reporting period RSB audits of NSC activities were conducted on the followir g dates: 3/31/88, 6/24/88 and 10/7/88.

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I 1 APPENDIX Description of Projects Utilizing the NSCR !

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DESCRIPTION OF PROJECTS UTILIZING THE NSCR A. Texas A&M University  ;

Nuclear Engineering NEUTRON TRANSMUTATION DOPING OF SEMICONDUCTOR MATFRIALS I

-Personnel Dr. Ron R. Hart -- Professor Kevin Seager -- Graduate Assistant William Kennamore -- Student Further work was performed into neutron transmutation doping of semiconductor materials for several uses including infra-red i detectors. Such effects as self-annealing and different impurity i levels in materials such as indium and GaAs were investigated. Some work was done in conjunction with Hughes Research Labs. In addition,  !

a D 0 irradiation device was designed and constructed to provide further capabilities in this research area.

lid FUSION PLATE Personnel Dr. T. A. Parish - Associate Professor Seong Ho Na -- Graduate Assistant Preliminary studies were carried out on de/ eloping a simulated fusion neutron source in the irradiation cell for materials shielding studies.

DETECTABILITY STUDIES OF Ar-37 Personnel Dr. M. McLain -- Radiological Safety Officer, Texas A&M University Argon was irradiated for the production of Ar-37 to study its detectability.

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.I l=. NOBLE GAS FISSION PRODUCT GENERATION Personnel I Dr. M. McLain -- Professor P. Lee -- Graduate Assistant A.small device containing uranium, was irradiated and an inert gas I was used to sweep out noble gas fission products to an exposure chamber for dosimetry measurement studies.

NUCLEAR ENGINEERING GRADUATE LAB IN REACTOR EXPERIMENTATION Personnel Dr. J. A. Reuscher -- Professor NE 606 Graduate Students (9 students)

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

NUCLEAR ENGINEERING UNDERGRADUATE LAB Personnel I Dr. G. A. Schlapper -- Professor NE 405 Students l Several experiments were performed at the NSC during the lab I course. Each student performed a reactor startup and participated in a control rod calibration lab and a suberitical multiplication lab.

Other experiments performed included core flux mapping, neutron radiography, and neutron activation analysis.

RADIOISOTOPE PRODUCTION FOR LABORATORY EXPERIMENTS Personnel Dr. Milton McLain -- Radiation Safety Officer I Dr. Dennis James -- Assistant Professor Graduate and Undergraduate Students in various classes Several laboratory classes took advantage of the NSC to produce short-lived radioisotopes for use in lab experiments ranging from half-life measurements to detector operation and calibration.

I I-3 TOURS OF THE NSC Personnel Dr. R. G. Cochran -- Professor Dr. G. A. Schlapper -- Associate Professor Graduate and Undergraduate Students in various classes

.I Various classes toured the NSC during the year as "fie_d 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 DYNAMICS OF RUMINANT DIGESTION AND NUTRITION Personnel Dr. W. C. Ellis -- Professor Roger Worley -- Graduate Assistant Abban Laotovica -- Student D. Poppi -- Graduate Student S. Martin -- Graduate Student K. Grisby -- Graduate Student 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 models of the animal's intake and digestive system. The work I involves activation analysis o' elemental markers added to individual meals of the animals in the stuoy.

STUDY OF DIGESTA FLOW AND NUTRIENT DIGESTIBILITY Personnel Dr. G. T. Schelling -- Professor Dr. L. W. Green -- Professor Shiela Rodriguez -- Graduate Assistant Study of digesta flow and nutrient digestibility in lambs using ruthenium and cobalt as digestive tract markers to determine mean retention time of digesta in the rumen, abomasum and the small and large intestines. The digestibility and absorption of calcium, magnesium, copper, zine and iron as affected by somatostatin immuni-zation, was also studied.

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I-4 I! l Oceanography {

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DISTRIBUTION OF BARIUM IN SEDIMENTS ON THE TEXAS-LOUISIANA j CONTINENTAL SHELF AND SLOPE j Personnel Dr. B. J. Presley -- Professor Dr. P. N. Boothe -- Assistant Research Scientist Three Graduate Students

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This continuing project c 5. died fine-grain sediment transport on the continental shelf using ..arium sulfate which is released during oil drilling operations. Th Determination of barium levels at I various locations on the shelf and slope by activation analysis allows a model of the transport processes taking place to be formulated.

These processes are important to understand in view of the increased 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 I This product involved the construction and testing of a positron emission tomography system for clinical imaging. The NSC provided the positron sources, activated copper samples, for this system.

Veterinary Physiology and Pharmacology VETERINARY NUCLEAR MEDICINE Personnel I Dr. Dan Hightower, D.V.M. -- Professor Dianne Tveter -- Graduate Assistant Brian Poteet -- Graduate Assistant Sara Bateman -- Graduate Assistant I Suzanne Helfinstine -- Graduate Student Various studies were carried out on the uses of radio-pharmaceuticals in veterinary care. The NSC was used to generate radioisotopes for some of these studies.

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.I Chemistry STUDY OF URANIUM AND MOLYBDENUM IN LIGNITE Personnel Dr. R. Zingaro -- Professor D. Ilger -- Graduate Assistant

- I~ Uranium and molybdenum concentration in South Texas lignite were studied using neutron activation analysis and the delayed neutron counting technique.

URANIUM AND THORIUM CONCENTRATIONS IN IRON ORES Personnel

Dr. M. Rowe -- Professor Iron ore samples were analyzed using the delayed neutron counting technique to determine the concentration of uranium and thorium.

SYNTHESIS OF ZEOLITES - PILLARED LAYERED COMPOUNDS Personnel I Dr. A. Clearfield -- Professor Dr. Y. Ortez -- Post-doctoral Researcher I Dr. K. Martin -- Post-doctoral Researcher Dr. R. Wang -- Post-doctoral Researcher J. Perez -- Graduate Assistant F. Campbell -- Graduate Assistant Z. Zhong -- Graduate Assistant Zirconium and titanium phosphates were pi]lared by Al-13 Keggin ions to provide porous layered compounds. This was to study the synthesis of a large class of new and potentially useful catalytic materials. j i

ELEMENTAL ANALYSES OF SOLID-STATE SAMPLES Personnel Dr. T. Hughbanks -- Professor  ;

J. Speed -- Graduate Assistant {

I- Solid-state samples were analyzed for tantalum, sulphur, selenium, I arsenic, iron, cobalt, nickel and manganese using neutron activation analysis.

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Geology

-0CCURRENCE OF URANIUM IN HYDROCARBON RESERVOIR ROCKS Personnel Dr. T. Tieh -- Professor M. Denham -- Graduate Assistant Fission tracks were induced using neutrons to investigate occur-rence of uranium to determine if uranium concentrates in certain phases suring diagenesis and hydrocarbon migration.

Geophysics ANALYSIS OF DEEP SEA AND VOLCANIC ROCK SAMPLES Personnel Dr. N. Carter -- Professor A. Huffman -- Graduate Assistant Neutron activation analysis was performed on deep sea and volcanic rock samples to study trace-element signatures across the Cretacious-I Terciary boundary and determine the cause for a major extinction 66 million years ago.

B. Other Universities Louisiana State University FIRE ANT TERRITORIALITY Personnel

-I-Dr. Ron Knaus -- Professor, LSU Nuclear Science Center Dr. T. E. Reagan -- Professor, Entomology Allen Showler -- Graduate Student This continued study investigated fire ant territoriality in a producing sugar cane field as determined by NAA performed at the NSC on the ants which had been tagged with Dy and Sm.

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I-7 TRANSMISSION OF EQUINE DISEASES Personnel Dr. R. M. Knaus -- Professor, Nuclear Science Animals were injected with Na-24 produced at the Texas A&M Nuclear Science Center, to study mechanical transmission of equine infectious diseases.

Sam Houston State University NEUTRON TRANSMUTATION DOPING OF SILICON AND GaAs SAMPLES Personnel Dr. B. Covington -- Professor, Division of Physics and Chemistry This continued study was performed to identify shallow impurities and to observe the effects of annealing on the centers created by fast neutrons in Si and Gaas.

Sul Ross State University ANALYSIS OF GEOLOGIC SAMPLES FROM VARIOUS SITES IN TEXAS Personnel Dr. Dennis Nelson -- Associate Professor and Chairman, Geology I Dr. G. David Mattison -- Associate Professor, Geology Dr. David Rohs -- Assistant Professor, Geology Eight Graduate and Five Undergraduate Students These continued studies include the determination of trace element contents of various rock and mineral samples from a variety of sites I 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 students. Many of the cesults from these studies ar' incorporated into theses, papers and presentations at geologic soulety meetings.

Texas State Technical Institute Personnel William Kester -- Chairman, Nuclear Technology, Waco I Richard Wheet -- Chairman., Nuclear Technology, Waco I

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I-8 During 1988, approximately 30 students participated in health physics training which included items from shipping and release

regulations to an introduction to reactor physics and neutron activation analysis. The training provided the students with hands-on experience to supplement their classroom instructions in the Health Physics Technician program.

Southern Methodist University FISSION-TRACK ETCH STUDIES

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Personnel Dr. S. Kelley -- Professor, Geology Dr. K. Damm -- Visiting Professor C. McKinney -- Graduate. Assistant Fission-track etching was performed for three different projects.

One was used to study fission tracks produced in zircon crystal lattices. Another project studied uranium absorption in fossilized teeth to help in dating the fossils. The last project was used to date samples and determine the cooling history during the Cenozoic uplift of the Central Andes mountains.

University or Texas - Southwestern Medical Center at Dallas MECHANISM AND ACTION OF GTP-BINDING PROTEINS Personnel Dr. E. M. Ross -- Professor, Pharmacology I Radioassay and neutron activation analysis were performed to determine concentration of manganese in a solution to determine molar amount of divalent. cation binding to GTP-binding regulatory proteins.

McNeese State University DISTRIBUTION OF TRACE METALS IN LOUISIANA STATE SEDIMENTS Personnel Dr. J. Beck -- Professor, Chemistry K. Stacks -- Graduate Assistant K. Martin -- Graduate Assistant ]

Neutron activation analyses were carried out on lake sediment samples to study the presence of pollution by heavy metal concen-tration.

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I-9 Miami University FISSION-TRACK ANALYSIS OF GEOLOGICAL MATERIALS Personnel Dr. K. Crowley -- Professor Fission-track age by induced U-238 fissions was determined to study annealing processes.

University of Texas at Austin GEOCHEMISTRY OF GOLD IN SUB-ARTIC ENVIRONMENTS Personnel B. Coel -- Graduate Student, Geological Sciences The geochemistry of gold in a sub-artic environment was studied to determine the solubility of gold in surficial environments.

University of Oklahoma RARE EARTH CONCENTRATIONS IN IGNEOUS ROCKS AND SHALES Personnel Dr. B. Weaver -- Professor, Geology I P. Anderson -- Graduate Assistant Rare earth concentrations were determined by neutron activation analysis to study the geochemistry of igneous rocks and shales.

TOURS AND NEUTRON ACTIVATION ANALYSIS DEMONSTRATIONS 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-tutions are listed below.

L. C. Hall, Geography, Stephen F. Austin University D. Tatum, McLennan Community College i K. H. Wang, Physics, Baylor University

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i C. Non-University Institutions I Houston Area Research Center DIODE PERFORMANCE EVALUATION AFTER FAST NEUTRON IRRADIATION Personnel John Zeigler -- Texas Accelerator Center This continued project involved the fast neutron irradiation of several types of diodes under cryogenic conditions in order to evaluate their performance and reliability. The purpose of the project is to identify a diode which can survive in the associated radiation environment of super conducting magnets of a large accelerator.

M. D. Anderson Hospital PRODUCTION OF RADIOISOTOPES FOR RESEARCH AND TREATMENT Personnel Jack Cundiff -- M. D. Anderson The NSC produces radioisotopes for use in medical research and I treatment at the M. D. Anderson Hospital and Tumor Center in Houston.

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

The Methodist Hospital of Houston DEVELOPMENT OF A TREATMENT FOR RHUMETOID ARTHRITIS Personnel Dr. Bill Cole -- Nuclear Medicine, Methodist Hospital John Krohn -- Nuclear Science Center This continuing project was aimed at developing an alternative to surgery as treatment for rhumetoid arthritis. The work was based on similar work done at Harvard Medical School and involves the injection I of radioisotopes to destroy the affected cells instead of the usual surgical removal. The efferts conducted in 1988 included continued patient treatments at Methodist Hospital in Houston.

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I-11 I Shell Development Company Personnel Paul Filpus-Luyckx -- Shell Development William Stringfellow -- Shell Development This ongoing project involves activation analysis of various oil, petrochemical and related materials by Shell Development personnel.

I The analysis is usually aimed at identifying one or more trace elements in the products and serves to aid all divisions of Shell Oil i Company in quality assurance and product development.

Texas Instruments NEUTRON ACTIVATION ANALYSIS OF SEMICONDUCTOR MATERIALS Personnel Bruce Gnade -- Texas Instruments Cheryl Blackburn -- Texas Instruments This long-term project involves the irradiation of semiconductor materials supplied by Texas Instruments at the Nuclear Science Center and subsequent analysis by TI personnel. The analysis results are used in quality assurance and product development.

U.S. Geological Survey LABORATORY TRACER AND RADI0 ACTIVE DATING STUDIES Personnel G. Wandless -- Investigator D. McKown -- Investigator R. Knight -- Investigator Rock, coal and vegetation samples were irradiated for laboratory tracer and radioactive dating studies.

RADI0 ISOTOPE PRODUCTION The NSC produced a wide variety of radioisotopes for a number of 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:

I Co-60, Ir-192, Fe-59, Br-82, Ar-41, and Na-24.

supplied were: Gulf Nuclear R/A Services, Inc., and Tru-Tec.

Corp., Tracerco, Some of the. companies Inc., Teledyne Isotopes, ,'

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APPENDIX II Publications, Theses and Papers Involving Use of' NSC Facilities From 1978 to Date l

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l_ II-1 l Publications, Theses and Papers Involving the Use of NSC Facilities From 1978 to Date

1. R. R. Hart and L. D. Albert, " Measurement of P-31 Concentrations Produced by Neutron Transmutation Doping of Silicon", Inter-national Conference on Neutron Transmutation Doping, University of Missouri, April 1978.

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

M.S. Thesis in Nuclear Engineering, Texas A&M University, 1978.

3 W. Huang and J. Catham, " Uranium in Lignite: I. Geological i Occurrence in Texas", Tenth International Congress on Sedi- )

mentology, Volume 1, 1978.

4. W. Huang and S. Parks, " Uranium Resources in Some Tertiary Sediments of Texas Gulf Coastal Plaia: I Geologic Occurrence in the Lower Miocene Sediments", Tenth International Congress on Sedimentology, Volume 1, 1978.

5 W. Huang and K. Pickett, " Factors Controlling In-Situ Leaching of Uranium from Sandstone and Lignite Deposits in South Texas",

Proceedings of Uranium Mining Technology, Update 78, Reno, Nevada, November 1978.

6. B. J. Presley, R. Pflaum and J. Trefry, " Fallout and Natural Radionuclides 2 in Mississippi Delta Sediments", Environmental Oceanographic Science, Vol. 59, No. 4, April 1978.

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

9 W. C. Ellis, J. H. Mathis and C. E. Lescano, " Quantitating Ruminal Turnover", Fed. Proc., Vol. 38, 1979

10. C. E. Lescano and W. C. Ellis, "An Evaluation of Lanthanides as Particulate Matter Markers", American Society of Animal Science (abstract), Tucson, Arizona, 1979

11. S. W. Bachinski and R. B. Scott, " Rare-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. B. Scott, D. G. Temple and P. Peron, " Nature of Hydrothermal Exchange Between Oceanic Crust and Seawater at 26*N Lat. , Mid-I Atlantic Ridge", Benthic Boundary Layer Processes, IOGC Symposium on the Benthic Boundary Layer, 1979 I 13 L. J. Tiezzi and R. B. . Scott, " Crystal Fractionation in a Cumulate Gabbro, Mid-Atlantic Ridge, 26oN 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. Cosmochim. Acta, 1979 15 G. Zakoriadze, R. B. Scott and D. H. Lilly, " Petrology and Geochemistry of the Palao-Kyushu Remnant Arc, Site 448, DSDP Leg 59", Trans. Amer. Geophys. Union, Vol. 50, 94, 1979

16. R. B. Scott, " Petrology and Geochemistry of Ocean Plateaus",

TAMU Symposium on Ocean Plateaus, 1979,

17. A. Clearfield and L. Kullberg, "On the Mechanism of Ior-Exchange in Zirconium Phosphates: An Equilibrium Study of Sodium-Potassium-Hydrogen Exchange on Crystallizing Zirconium Phos-phates", J. of Inorganic and Nucl. Chem., 1979 E 18. O. F. Zeck, R. A. Ferrieri, C. A. Copp, G. P. Gennaro and Y. N.

l Tang, " Gas Phase Recoil Phosphorous Reactions IV - Effect of Moderators on Abstraction Reactions", J. of Inorganic and Nucl.

Chem., 41, 1979 19 J. R. Catham, "A Study of Uranium Distribution in an Upper Jackson Lignite - Sandstone Ore Body, South Texas", M. S.

Thesis in Geology, Texas A&M University, 1979

20. S. L. Parks, " Distribution and Possible Mechanism of Uranium 1 Accumulation in the Catahoula Tuff, Live Oak County, Texas",

M. S. Thesis in Geology, Texas A&M University, 1979

21. M. E. Miller, " Uranium Roll Front Study in the Upper Jackson I 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 I Determining In-Vivo Rates of Particle Size Degradation, Genesis, and Passage from the Rumen", Proc. of 15th Conferer.ce on Rumen Function, 1979 i 23 W. C. Ellis, J. H. Matis and C. E. Lescano, " Sites Contributing l

to Compartmental Flow for Forage Residues", Ann. Res. Vet.,

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j II-3 I 24. C. E. Lescano, " Determination of Grazed Forage Voluntary In-I take", Ph.D. Dissertation in Animal Nutrition, Texas A&M University, 1979 25 K. Pond, "Effect of Monensin on Intake Digestibility, Gastro-intestinal Fill and Flow in Cattle Grazing Coastal Bermuda Pasture", M. S. Thesis in Animal Nutrition, Texas A&M University, 1979

26. H. Loza, "Effect of Protein Deficiency on Forage Intake and Digestibility", M. S. Thesis in Animal Nutrition, Texas A&M University, 1979 27 V. L. Tenhet, " Penetration Mechanism and Distribution. Gradients of Sodium-Tripoly-Phosphate in Peeled and Deveined Shrimp",

M. S. Thesis in Animal Science, Texas A&M University, 1979

28. W. C. Ellis and H. Lippke, "A Continuous Infusion and Pulse Dose Marker Method for Determining Fecal Output", Proceeding of Southern Pasture and Forage Crop Improvement Conference, Nashville, Tennessee, May 1980.

29 D. S. Delaney, " Effects of Monensin on Intake, Digestibility, and Turnover of Organic Matter and Bacterial Protein in Grazing Cattle", M. S. Thesis in Animal Science, Texas A&M University, 1980.

30. J. P. Telford, " Factors Af fecting Intake and Digestibility I of Grazed Forages", Ph.D. Dissertation in Animal Science, Texas A&M University, 1980.

31. E. E. Siefert, K. L. Loh, R. A. Ferrieri and Y. N. Tang, " Forma-tion of 1-Silacyclopenta-2,4-diene Through Recoil Silicon Atom Reactions", J. Amer. Chem. Soc., 102, 1980.

I 32. M. W. Rowe, E. W. Filberth and H. J. Shaeffer, " Uranium in Huero and Guadalupe Mountain Indian Ceramics", Archaeometry, Great Britian, 1980. ,

33 E. B. Ledger, T. T. Tieh and M. W. Rowe, " Delayed Neutron Activation Determination of Uranium in Thirteen French Rock Reference Samples", Geostandards Newsletter, 1980.

l 34. T. T. Tieh, E. B. Ledger and M. W. Rowe, " Release of Uranium l from Granitic Rocks During In Situ Weathering and Initial l Erosion (Central Texas)", Chemical Geology, 1980.

) 35 J. P. Taft, J. D. Randall and K. Walker, " Core Modification of l

g the Texas A&M Nuclear Science Center Reactor for Improved l ***r i^ "t1 12 ti "", presented t the Seventh TRIGA User's l

5 Conference, San Diego, California, March 1980.

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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 TRIGA User's Conference, San Diego, I California, March 1980.

37 K. L. Walker, " Analysis of Uranium in Ore Samples by Delayed

' Neutron Activation Analysis", Radiochemical and Radioanalytical I- Letters, October 1980.

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

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

Chem. Comm., 814, 1980.

l 39 E. B. Ledger, T. T. Tieh and M. W. Rowe, " Delayed Neutron Acti-vation Determination of Uranium in Twelve Rock Reference Standards", Geostandards Newsletter, 4, 1980.

40. K. R. Pond and W. C. Ellis, " Effects of Monensin on Fecal Out-out and Voluntary Intake of Grazed Coastal Bermudagrass", Beef Cattle Research in Texas, 1981.

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

E. Lescano and W. C. Ellis, I 42. D. S. Delaney, K. R. Pond, C.

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

Beef Cattle Research in Texas, 1981.

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

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

Watson and B. Covington, " Neutron Transmutation Doped I 45 J.

Silicon", American Association of Physics Teachers, 1981.  ;

46. L. Kullberg and A. Clearfield, " Mechanism of Ion Exchange in I Zirconium Phosphates - 32:

Exchange on Amorphous ZrP",

Thermodynamics of Alkali Metal Ion J. Phys. Chem., 1981.

Kullberg and A. Clearfield, " Mechanism of Ion Exchange in I 47 L.

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.

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II-5 I 49 E. E. Siefert, S. D. Witt and Y. N. Tang, " Reactions of Mcno-meric Diflourosilylene with Ethylene", J.C.S. Chem. Comm.,

I 1981.

50. Y. N. Tang, " Unusual Compounds Synthesized via Nuclear Recoil 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. R. Theriot and L. Daley, " Matrix Effect in Atomic Absorption Determination of Copper in Fraction I Protein: Possible Role of I Copper in Light Sensitive Control of Ribulose Biphosphate Carboxylase Activity", Texas Journal of Science, December 1981.

l I 53 W. C. Ellis, C. E. Lescano, R. Teeter and F. N. Owne, " Solute and Particulate Flow Markers", Proceedings of Symposium on Ruminant Protein Nutrition, Oklahoma State University, 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 Cattle Research in Texas, 1982.

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

56. K. R. Pond, A. G. Deswyen, J. H. Matis and W. C. Ellis, I " Chromium-mordanted and Rare Earth Marker Fiber for Particulate Flow Measurement", Beef Cattle Research in Texas, 1982.

I 57 K. R. Pond, A. G. Deswyen, J. H. Matis and W. C. Ellis, " Rate of Passage Measurements as Affected by Dosing at Beginning 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", Beef 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, I May 1982.

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

I Weston and L. Dervoen, " Biological Attributes of the West Hackberry Brine Disposal Site", Oceans 82, 4, 1982.

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61. G. L. Grout and C. L. Webre, " Quick Separation of Manganese from Brine Solutions", Radiochemical and Radioanalytical Letters, 51, 1982.

62. J. Watson and B. Covington, " Annealing Studies of Transmutation Doped Silicon", presented at Texas Academy of Science Meeting in San Angelo, Texas, March 1982.

63 J. Watson and B. Covington, " Annealing Study of Transmutation Doped Silicon: Boron", Proceedings of the Fourth International NTD Conference, Washington, D.,C., 1982.

64. R. K. Dokka, " Implications of Fission Track Ages from the Kaplan I Geothermal Geopressure Zone, Vermilion Parish, Louisiana",

Transactions of Gulf Coast Association of Geological Societies, Vol. 32, 1982.

65 W. F. McDonough, D. O. Nelson and G. D. Mattison, " Major and Trace Element Variation in a Dynamically Evolving Silicon Magma Chamber", Trans-Pecos Volcanism, March 1982. i

66. J. H. Schieffer, G. D. Mattison and D. O. Nelson, "The Mineral-  !

ogy and Geochemistry of the Igneous Rocks of the Terlingua District, Brewster County, Texas", Trans-Pecos Volcanism, March 1982.

67 H. Schieffer and G. D. Mattison, " Nature and Origin of I

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Alkalic and Calcic Veinlets in Xenoliths from the Terlingua District, West Texas", Geological Society of America, 1982.

I 68. C. Conrad, " Uranium in the Oatman Creek Granite and Its Economic Impact", M. S. Thesis in Geology, Sul Ross State, 1982.

I 69 W. Schaftenaar, " Uranium in Igneous Rock of the Central Davis Mountains of West Texas", M. S. Thesis in Geology, Sul Ross State, 1982.

l 70. H. Deigl and D. E. Feltz, " Antiquity, Man and Machine", pre-sented at the Eighth TRIGA User's Conference, Idaho Falls, Idaho, March 1982.

71. R. D. Rogers and J. D. Randall, "In-Pool Neutron Radiography of Damaged FLIP Fuel", presented at the Eighth TRIGA User's Conference, Idaho Falls, Idaho, March 1982.

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

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II-7 73 M. C. Brady, " Radiation Field Measurements in the TAMU Nuclear I Science Center Irradiation Cell", M. S. Thesis in Nuclear Engineering, Texas A&M University, 1982.

74. E. J. Parma and R. R. Hart, " Measurements of the Gamma Abundance I of Si-31", Proceedings of the Fourth International Conference on Neutron Transmutation Doping of Semiconductors, Gaithersburg, Maryland, June 1982.

75 M. H. Young and R. R. Hart, " Neutron Transmutation Doping of p-Type Czochralski-Grown GaAs", Proceedings of the Fourth Inter-I national Conference on Neutron Transmutation Doping of Semi-conductors, Gaithersburgh, Maryland, June 1982.

76. K. R. Pond, W. C. Ellis and J. H. Matis, "Digesta Flow Through the Ruminant's Digestive Tract", Beer Cattle Research in Texas, 1983 I 77 K. d. Pond, W. C. Ellis, W. D. Jemes and M. G. Otte, " Analysis of Multiple Markers Used in Nutrition Research", Beef Cattle Research in Texas, 1983 ll 78. K. L. Welch, " Fluence Monitor Calibration of the Meltiple Rotisserie Irradiation Device for Neutron Transmutation Doping",

M. S. Thesis in Nuclear Engineering, Texas A&M University, 1983 79 L. Pgzoniski, A. N. Hanna and O. Suschny, " Report on Inter-comparisons S-14, S-15, S-16 of the Determination of Uranium and Thorium in Thorium Ores", IAEA Report IAEA/RL/101, 1983

80. J. H. Schieffer, and D. O. Nelson, " Petrology and Geochemistry of Megacrysts, Xenoliths and Their Host Basalts from the Terlingua Mercury District of West Texas", Geological Soc. of America, Abstracts with Program, Vol. 13, 1983

81. D. O. Nelson, K. L. Ott and R. D. Tolley, " Geochemistry of 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. McDonough, "The Geochemistry and Petrology of a ll Trachyte Comendite Suite from the 0.igocene 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 Surficial Marine I Sediments", Environ. Gecl., 4, 1983 i

i

4 II-8 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 Performance Data on the Recovery of Strategic Elements from Seawater", M. S. Thesis in Nuclear Engineering, Texas A&M University, 1983 I 87 F. R. Best and M. Whiteacre, "Sorber Performance Data on the 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 Performance Data on Recovery of Uranium from Seawater - II", International Meeting on Recovery of Uranium from Seawater, Tokyo, Japan, 1983 89 W. D. James, " Multiple Stable Isotope Markers Used in Nutrition I Research", Annual American Nuclear Society Meeting, Detroit, Michigan, 1983 I 90. M.S. Akanni, V. O. Ogugbuaja and W. D. James, " Trace Element Content of Magnetohydrodynamic Coal Combustion Effluents",

J. of Radioanalytical Chem., Vol. 79, No. 2, 1983

91. R. L. Budnick, " Petrology and Geochemistry of the Carrizo Mountain Group", Geology, Spring 1983

92. T. H. Simpkins, "The Geology and Geochemistry of the 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 l System Installed in Liquid Waste Holdup Tank 1", NSC Technical l Report No. 44, 1983 95 D. G. Goodman, " Motor Driven Flux Wire Counter", NSC Technical Report No. 45, 1983

96. J. 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 I

II-9 97 D. S. Followill, " Determination of Exchangeable Potassium in the Canine by Means of Whole-Body Counting", M. S. Thesis in Nuclear Engineering, Texas A&M University, 1983 m 98. M. S. Mohan and R. A. Zingaro, " Trace Element Characterization of Deep easin Lignites of Texas", Final Report to Texas I Energy and Natural Resources Advisory Council, 1983 99 W. A. Ilger, "A Study of Uranium in South Texas Lignite",

M. S. Thesis in Chemistry, Texas A&M University, 1983 100. L. S. Daley, "ESR of Transition Metal ' Chromophore' in RuBP Case Supporting Neutron Activation and Optical Data Concepts of UV Light Activation Through Transition Metal Chromophore",

Blue Light Syndrome, Springer-Verlag, 1984.

101. J. D. Ilger, W. A. Ilger, M. S. Mohan and R. A. Zingaro,

" Characterization of Uranium in a South Texas Lignite", Eleventh Annual Meeting of Federation of Analytical Chemistry and Spectroscopy Societies, Philadelphia, September 1984.

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

Telford, " Dietary Influences on Flow Rate and Digestive Capacity", Proceedings of Symposium on Herbivore Nutrition in the Sub-Tropics and Tropics, Johannesburg, South Africa, 1984.

103. L. D. Roth, W. C. Ellis and F. M. Rouquette, Jr., " Sward Attri-butes and Nutritive Value of Coastal Bermudagrass as Influenced by Grazing Pressure", Proceedings of Forage and Grasslands Conference, Houston, Texas, 1984.

104. R. V. Machem, " Effects of Physiological Status, Supplementation

.I and Monensin on Forage Intake, Digestibility and Digesta Turn-ove=", M. S. Thesis in Animal Science, Texas A&M University, 1984.

105. L. R. Both, " Effects of Grazing Upon Sward Attributes and Utilization of Coastal Bermudagrass by Cattle", M. S. Thesis in Animal Science, Texas A&M University, 1984.

l 106. M. Whiteacre, " Experimental Determination of Elemental Recovery j from Natural Seawater Achieved by Ion Exchange Resins", Master j of Engineering project report, Texas A&M University, 1984.

l 107. M. H. Tobey, H. J. Shafer and M. W. Rowe, " Trace Element Inves-l tigations of Mayan Chert from Belize", International Symposium on Archaeometry, May, 1984.

l 108. M. H. Tobey, E. O. Nielsen and M. W. Rowe, " Elemental Analysis l of Etruscan Ceramics from Murlo, Italy", International Symposium on Archaeometry, May 1984.

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1

II-10 109. M. Charles, "The Application of a Scintillation Flask Technique for the Measurement of Radon Emanation", M. S. Thesis in Nuclear Engineering, Texas A&M University, 1984.

110. Y. C. Gonzalez, " Aerosol Dilution and Dispersion at the Nuclear Science Center Confinement Building", M. S. Tnesis in Health Physics, Texas A&M University, 1984.

111. C. H. Poynton, R. S. Tilbury, J. G. Head, S. Tindle, K. A.

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

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

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

I Fly Ash in Rats", Ph.D. Dissertation in Chemistry, Texas A&M University, 1984.

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

James, " Analysis for Trace Elements in Magnetohydrodynamic (MHD) Pilot Plant Effluents", Environmental Science and Technology, 18, 1984.

114. W. D. James, F. F. Arnold, K. R. Pond, M. D. Glascock and T. G.

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

115. W. F. McDonough and D. O. Nelson, " Geochemical Constraints on Magma Processes in a Peralkaline System: The Paisano Volcano, West Texas", Geochem. Cosmochim. Acta, Vol. 4J, 1984.

116. D. O. Nelson, K. L. Nelson and G. D. Mattison, " Reconnaissance Geochemistry of Rocks of the Trans-Pecos Magmatic Belt",

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

117. D. O. Nelson, K. L. Nelson and G. D. Mattison, " Implications of Trace Element and Isotopic Compostion for the Origins of Silicic Rocks of the East-Central Trans-Pecos Magmatic Belt of West Texas", Geological Soc. of America Abstracts, Vol. 16, No. 4, 1984.

Perry., W. B. Wilson and T. A. Parish, "A 14-MeV Neutron I 118. R. T.

Source", Sixth Topical Meeting on the Technology of Fusion Energy, San Francisco, California, March 1985 119. G. A. Schlapper, D. C. Kay, R. D. Neff and P. S. Sandel, D o s e Equivalent Measurements in an Area of Reduced S: elding at the Texas A&M Variable Energy Cyclotron", Radiation Protection Management, July 1984.

I

II-11 120. J. G. Pina-Jordan, " Measurement and Modeling of Uranium and Strategic Element Sorption by Amidoxime Resins in Natural Seawater", M. S. Thesis in Nuclear Engineering, Texas A&M University, 1985 j.

121. K. D. Seager, " Acceptor and Donor I roduction in Hg1-xCdxTe by NTD", M. S. Thesis in Nuclear Engineering, Texas A&M University, 1985 122. M. Schuller, "An Investigation of Acqueous Slurries as Fusion Reactor Blankets", Ph.D. Dissertation in Nuclear Engineering, Texas A&M University, 1985 123. Y. R. Contreras and G. A. Schlapper, " Aerosol Dilution and Dis-persion in a Nuclear Research Facility", Radiation Protection Management, July 1985 124. K. L. Nelson, " Combined Elemental and Isotopic Evaluation of a n Deep-Water Carbonate: Implications for a Dynamic Diagenetic g Model", Geological Soc. of America Abstracts, Vol. 17, No. 7, September 1985 125. K. L. Nelson, " Combined Elemental and Isotopic Evaluation of a Deep-Water Carbonate: Implications for a Dynamic Diagenetic Model", M. S. Thesis in Geology, Sul Ross State, 1985 126. G. D. Mattison, " Mineralogy and Petrology of the Sheep Canyon Basalts, Trans-Pecos Volcanic Field, West Texas", Geological Soc. of America Abstracts, Vol. 17, No. 3, 1985 I 127. D. O. Nelson and K. L. Nelson, " Geochemical Comparison of Alkaline Volcanism in Oceanic and Continental Settings:

Clarion Island Versus the Eastern Trans-Pecos Magmatic Pro-vince", Geological Soc. of America Abstracts, Vol. 17, No. 3, 1985 128. G. M. Vasquez, P. S. Sandel and G. A. Schlapper, " Development of the Scintillation Flask Technique for the Measurement of Indoor Radon-222 Concentrations", presented at the Mid-Year Symposium I of the Health Physics Soc., Colorado Springs, Colorado, January, 1985 129. G. M. Vasquez, " Development of the Scintillation Flask Technique for the Measurement of Indoor Radon-222 Concentrations", M. S.

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

I II-12 I 131. W. D. James. V. O. Ogugbuaja, M. D. Glascock and R. C. Attig,

" Partitioning of Trace Elements in MHD Coal Combustion Effluents", Proceedings of the Fifth International Conf. on Nuclear Methods in Environ. and Energy Research, 1985 132. C. M. Meyer, " Improved Assessment of Population Doses and Risk Factors for a Nuclear Power Plant Under Accident Conditions",

M. S. Thesis in Nuclear Engineering, Te::as A&M University, 1985.

133. J. H. Kleck, " Determination of Radiation Absorbed Dose to the Kidneys of Rhesus Monkeys from Radiolabeled Orthoiodohippuran",

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 Radiological Air Monitor",

M. S. Thesis in Nuclear Engineering, Texas A&M University, 1985 135 R. Yupari, "Three-dimensional Neutronics Calculations for the Texas A&M TRIGA Reactor", M. S. Thesis in Nuclear Engineering, Texas A&M University, 1985 136. R. D. Rogers, " Modification and Verification of the "SPOOFA" Computer Code for Use at the Texas A&M University Nuclear Science Center", M. E. Project in Nuclear Engineering, Texas A&M University, 1985 137 H. C. Cheung and A. Clearfield, "The Oxidative Dehydrogenation of Cyclohexane Catalyzed by ZrCu(PO 4 )2", J urn 1 f Catalysis, Vol. 98, 1986.

138. T. Feeley and E. Morris, " Petrologic Similarities of Eocene Quartz-Olivine Basaltic Andesites, Oregon and Montana",

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, 1986.

I 140. D. O. Nelson and D. Gerlach, "Sr, L' d , and Pb Isotopic Com-positions of Rocks of Clarion Island, East-Central Pacific Ocean", Geological Soc. of Ararica 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 Center", M.S. Thesis in Nuclear Engineering, Texas A&M University, 1986.

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II-13 ,

142. C. Meyer and G. Schlapper, "A Comparison of Dose Calculation i 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 Research Reactor Operators and Senior Reactor.0perators", pre-

'sented at the Tenth TRIGA User's Conference, College Station, Texas,. April 1986.

144. R. Yupari, R. Perry and T. Parish, "Three Dimensional Neutronics Calculation'for the TAMU Nuclear Science Center TRIGA Reactor Using Bold Venture", presented at'the Tenth'TRIGA User's Conference, College Station, Texas, April 1986.

'145' . J. L.'Krohn, D. E. Feltz and N. Khalil, " Software Development for Research Reactors", presented at the Tenth TRIGA User's - 1 Conference,. College Station, Texas, April 1986. j 146. S.,Na, R. Perry and T. Parish, " Spectroscopy System for Use With a Fusion P' ate Installed on the TAMU Reactor", presented j at the Tenth TR JA User's Conference, College Station, Texas, April 1986.  ;

I 147 P. N. Boothe, B. J. Presley,'"Long-term Cate of Drilling Mud j Barite on the Texas-Louisiana Continental Shelf and Slope",

AGU/ASLO Meeting, New Orleans, Louisiana, January 1986.  !

148. K. L. Nelson, D. 0. Nelson, D. Shucker and B. Brister, j

" Physical Evidence for Open-System Evolution of the Trans- 1 Pecos Magmatic Province", Geological Society of America l 4

Abstracts, Vol. 18, No. 6, 1986. 1 149 D. E. Feltz, "The Conversion of TRIGA Research Reactors from i High-Enriched Uranium to Low-Enriched Uranium Fuel: Owner /

Operator View", Trans. American Nuclear Society, Vol. 52, ,

June 1986.  ;

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

presented at the Annual American Chemical Society Meeting,  !

New Orleans, Louisiana, September 1987 151. W. D. James, P. N. Boothe, " Ocean Sediment Analysis by NAA", H Proceedings of ANS Topical Conference on Methods and Applica- l tion of Radioanalytical Chemistry, Kona, Hawaii, April 1987 i 152. D. B. McCarthy, W. C. Ellis, and R. Worley, " Digestion of Fiber j in Segments of the Bovine Gastrointestinal Tract", Journal of Animal Science, Vol. 65, Supplement 1, 1987 j

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II-14 153 K. N. Grigsby, F. M. Rouquette, Jr., W. C. Ellis, D. P.

Hutcheson and G. T. King, Source and Level of Protein Supple-ment on Performance 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. Ellis and J. H.

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

Journal of Animal Science, Vol. 65, supplement 1, 1987 155 E. Rivera-Villarreal, N. C. Ellis and J. H. Matis, " Flow of Masticated Particles From tne Rumen Upper Digesta Struta of I Cattle", Journal of Animal Science, Vol. 65, Supplement 1, 1987 I 156. E. Rivera-Villarreal and W. C. Ellis, " Effects of Ammoniation 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, " Geochemistry of Plutons in the Eastern Trans-Pecos Magmatic Province",

Geological Society of American Abstracts, Vol. 19, No. 3, 1987 159 R. L. Ward, D. O. Nelson and K. L. Nelson, " Trace 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.

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

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}*l 164. W. C. Ellis, J. H. Matis and D. Poppi, "Use of Age-Dependent Compartmental Models to Estimate Particulate Flow in Ruminants", Journal of Animal Science, 66/1, 479 1988.

165 M. E. Denham and T. T. Tieh, " Distribution and Occurrence of Uranium in Reservoir Rocks", American Association of Petroleum Geologists, 72/2 1988.

3 g 166. E. Rivera-Villareal, " Forage and Animal Response to g E 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. K. Crowley and S. Kuhlman, " Apatite Thermochemistry of the J

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. Manasreh, " Fourier-Transform Infra-Red Absorption Studies of Intracenter Transitions in the EL2 Level in Semi-Insulating Bulk GaAs grown with the Liquid-Encapsulated Czochpalski Technique", Physical Review, 35/5, 2524 1988.

I 170. B. C. Covington, et al., " Electron Paramagnetic Fesonance of Isolated As Antisite Defect in Neutron-Transmutation Doped GaAs", Solid State Comm., 65, 1267 1988.

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

I Eleventh TRIGA Owner / User Conference, AFRR1, Bethesda, Maryi .:d, April, 1988.

172. D. E. Feltz, " Installation and Operation of a D2 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 Analysio of the TAMU Nuclear Science Center Reactor Using Transport and Diffusion Theory Based Codes, M.S. Thesis in Nuclear Engineering, Texas A&M University, 1988.

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I APPENDIX III Educational Institutions, Industrial, Government and Medical Organizations Served by the NSC lII 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 A te College Lamar University Blinn Collega 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.

McLennan Community College I Cheyney State College Clarion State College McNeese State University Columbus College Miami University Community College of the Milwaukee Institute of Technology j Finger Lakes Defiance College Moody College Denison University Nebraska Weslyan University Eastern Kentucky University New Mexico State Unviersity East Texas University New Mexico Institute of Mining and Technology I 4 l I i

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III-2 I

Educational Institutions (Cont'd)

North Park College and Taft College Theological Seminary Tarleton State College I North Shore Community 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 Prairie View A&M Ur'7ersity Texas Southmost College Rice University Texas State Tech. Institute -

Harlingen I Sam Houston State University Texas State Tech. Institute - Waco Texas Tech University San Antonio College San Bernadino Valley College 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 Southwestern State College University of Genova Southwest Texas State College University of Houston Southwest Theological Seminary University of New Hampshire State College of Arkansas University of Oklahoma State University College, N.Y. University of Pittsburgh State University of Ohio University of Southern Louisiana Stephen F. Austin College University of Texas - Arlington Sue Bennett College University of Texas - Austin Sul Ross State University University of Texas - Dallas University of Texas - El Paso 1

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III-3 Educational Institutions (Cont'd)

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

UT Systein Cancer Center Wharton County Junior College I University of Texas - Tyler University of Washington Winona State College Wisconsin State University University of Wisconsin Xavier University J l

Victoria College i I

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III-4 I

Industrial Organizations AAE/BCS Traders, Inc. Exxon Research and Development Andrychuk Gemstones General Electric Company American Hoechst Corporation 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 Bio Assay Lab - Bio Nuclear Houston Area Research Center l Broz Labs Houston Lighting and Power Co.

Catalytic, Inc. Hughes Aircraft Company j Celanese Company Hughes Research Labs i 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 D. W. Mueller, Consultant Lane Well Company Eastern Whipstock LGL, Ltd.

Ebasco Lloyd Barber and Associates E.I. DuPont DeNemours and Co. Medical Arts Electric Reliability Council Mission Engineering Texas Engineers / Designers, Inc. Mobil Oil Company 4 Estrada, Inc. Monsanto, Inc.

E-Systems, Inc. Morris Engineering Company I- Exxon Oil & Refining

i III-5 I- Industrial Organizations (Cont'd)

NAPKO Corporation States Marine Lines North American Aviation Stoneworks Nuclear Environmental Eng. Corp. Technology for Energy Corp.

Nuclear Laboratory Services Tech-Sil Corporation I Nuclear Sources and Services, Inc. Teledyne Isotopes, Inc.

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

Poretics, Inc. Texaco, Inc.

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

Racon Texas Nuclear Corp.

Texas Romec I Radian Corporation Radiation Consultants, Inc. Todd Shipyards Corp.

Ranger Engineering Traceco Services, Inc.

R/A Services, Inc. Tracerco, Inc.

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

Resource Engineering TRIAD Rivera Foods Tru-Tec Corporation 4 Santa Barbara Research Center TRW-EDS Shell Chemical Company Turbine Lab Shell Development Co. - Houston Universal Technology Corp. i Shell Development Co. - Oakland Westinghouse Electric Co.

I Southwest Research Institute Spectronics, Inc.

Xomax I 1 I

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l III-6 I

Government and Medical Organizations Amarillo District Attorney Austin Police Department Brooks Medical Center

, Bureau of Economic Geology Corpus Christi District Attorney Dallas County District Attorney Denton County District Attorney Fort Worth Police Department Houston District Attorney Houston Police Department International Atomic Energy Agency Jefferson County District Attorney Lawrence Livermore Labs M. D. Anderson Tumor Center and Hospital The Methodist Hospital of Houston National Aeronautics and Space Administration North East Radiological Health Lab Oklahoma Medical Examiner Orange Police Department Osage County Oklahoma District Attorney United States Air Force United States Army United States Geologic Survey Wichita Falls District Attorney I.

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

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I TAMU Departments and Agencies Department of Biochemistry and Biophysics Department of Nuclear Engineering Department of Oceanography Department of Physics Department of Petroleum Engineering Department of Animal Science Department of Range Science Department of Mechanical Engineering I Department of Wildlife and Fisheries Sciences Department.of Chemistry Department of Large Animal Veterinary Medicine and Surgery Radiological Safety Office Cyclotron Institute Department of Plant Sciences Department of Veterinary Physiology and Pharmacology Department of Radiation Biology Center for Chemical Characterization and Analysis I Bioengineering Program, College of Engineering Texas Engineering Extension Service, Electronic Training Department of Geology Department of Forest Science Department of Soil and Crop Sciences College of Medicine )

i Department of Health and Physical Education i Department of Architecture Department of Building Construction Department of Industrial Engineering Department of Industrial Education Department of Aerospace Engineering I ,

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IV-2 l I TAMU Departments (Cont'd)

Department of Engineering Technology Department of Civil Engineering Fireman's Training School ,

Department of Archaeology Department of Entomology l

Department of Recreation and Parks Department of Engineering Design Graphics College of Architecture and Environmental Design  !

Center for Energy and Mineral Resources Department of Horticulture Sciences I Department of Chemical Engineering Department of Geophysics j

Department of Geology Texas Agriculture Experiment Station l I

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I APPENDIX V l

l Environmental Survey Program, Effluent Release Summary and Personnel Exposure Summary I

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e V-1 Summary of Health Physics Support for the Operation of the Nuclear Science Center Reactor 1988 Provided health physics monitoring support for processing 752 irradiations containing over 15,045 samples.

Certified 358 shipments of radioactive materials to off-site industry.

Certified 86 shipments of radioactive materials to other campus laboratories.

Conducted environmental survey program in cooperation with the Texas State Department of Health. This program consists of in-I situ TLD monitors and the collection, analyses and evaluation of soil, water, vegetation, and milk samples.

I Provided personnel monitoring support for 24 persons on a daily basis and 3,656 visitors as required.

Performed radionuclides identification and determined radio-I activity concentrations for 38 releases of radioactive liquid effluents totaling 670,000 gallons (2.54 E+09 ml) including fresh water diluent.

Performed surveys of the Nuclear Science Center facilities for radiation levels and radioactive contamination including the collection, analyses, and evaluation of approximately 250 I smear samples on a monthly basis.

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

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V-2

-EFFLUENT R'ELEASE

SUMMARY

Introduction-

~

Summaries of radioactive. effluents released from the Nuclear

.Sc1ence Center for 1988 are included in this~ Appendix. These data.are presented in tabular form' and include atmospheric, liquid and solid waste releases.

Particulate Releases Radioactive' particulate are. monitored at the base of'the central-exhaust stack and summarized on.a monthly basis.. The annual average-release rate was 1.42 E-~11 pCi/cc. Tothl radioactivity released for the year was l'.06 E-03 Curies. These data, presented in Table.1, Lrepresent output oflthe Nuclear Science Center _ Facility. Air Monitoring System. The individual particulate monitors in.this system. detect gross beta and gamma radiations emitted from filtered particulate

material ~without regard:to the-origin or half-life of the radioactive

materials. Other-than naturally-occurring Radon / Thoron progeny, particulate.with half-lives exceeding eight days were identified _only

.once. In March,71988, Cobalt-60 was identified on filter paper removed from the stack exhaust particulate' monitor (Channel 1). The measured particulate activity on the filter was less-than 0.5 nano 50uries wbich. suggests that the total release of.-Co-60 activity could not have exceeded 0.4 pC1. The average Co-60 concentration at the'NSC Site Boundary during March calculated to be less than or equal to This compares to an insoluble MPC value for Co-60

~

6.34.E-14 pCi/ml.

of 3 E-10 PCi/ml.- Using the more conservative assumption that the release occurred during a one-hour period, the site boundary concen-tration would still have been only 4.7 E-11 pCi/ml (less than 16% of

~the applicable'MPC value).

L Gaseous Releases Argon-41 is the major gaseous effluent produced and released at

.the-Nuclear Science Center. This effluent is measured by counting the l

Argon-41 photopeak in the gaseous discharges of the central exhaust stack. Total Argon-41 released during 1988 was 7.54 Curies. This results in an annual average release rate of 1.01 E-07 pCi/cc as measured in the central exhaust stack with no dilution factors applied. Applying the dilution factor of 5.0 E-03 allowed at the site boundary'(as determined, SAR, pages 116-119, June 1980) results in

-radioactivity concentrations of <1 3% of the limits specified in 10CFR20, Appendix B, Table II, Column 1. These data are summarized on a monthly basis and presented in Table 2.

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V-3 l Solid Radioactive Waste 8

Approximately 220 ft of uncompacted dry solid waste material packaged in plastic bags for disposal during 1988. These materials are temporarily stored awaiting transfer to the Radiological Safety Office, Texas License 6-448, for disposal. This material consisted of

'I laboratory glassware, irradiation containers, decontamination materials, and expendable protective clothing and equipment, e.g.,

paper, shoe covers, plastic bags and gloves. The radionuclides most commonly identified in the solid waste bags were Eu-152, Co-60, Zn-65, and Mn-54. The total radioactivity summed over all bags was calculated to be 1.06 E-02 C1. These data are in Table 3 Liquid Waste' Releases Radioactive liquid effluents are collected in liquid waste holdup tanks prior to release from the confines of the Nuclear Science Center. Sample analyses for radioisotope identification and radio-activity concentrations were determined for each release. There were I 38 liquid waste releases totaling 2.54 E+09 ml including diluents from the Nuclear Science Center during 1988. The total radioactivity released for 1988 was 7.31 E-03 Ci with an average concentration of 2.88 E-06 pCi/ml. Summaries of the radioisotope data are presented in Tables 4 through 16. Radioactivity concentrations for each isotope were below the limits specified in 10CFR20, Appendix B, Table II, Column 2.

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V-4 1

l u TABLE 1 Particulate Effluent Releases I Annual Summary 1988 I Exhaust Average Concentration

• Radioactivity Month Volume (cc) (pCi/cc) Released (C1)

January 6.31 E12 1.38 E-11 8.7 E-05 l, February 5.91 E12 1.50 E-11 8.8 E-05 March 6.31 E12 3 96 E-12 2.5 E-05 April 6.12 E12 2.61 E-11 1.6 E-04 May 6.31 E12 1.74 E-12 1.1 E-0 5 June 6.12 E12 3.43 E-11 2.1 E-04 July 6.31 E12 1.51 E-11 9.5 E-05 August 6.31 E12 2.38 E-11 1.5 E-04 September 6.12 E12 13.10 E-13 11.9 E-06 October 6.31 E12 13.49 E-13 52.2 E-06 November 6.12 E12 3.76 E-11 2.3 E-04 December 6.31 E12 $2.70 E-13 51.7 E-06 Total Volume: 7.45 E13 (cc)

Annual Average Release Concentration *: 1.42 E-11 pCi/cc Total Radioactivity Released: 1.06 E-03 Ci

• As measured in the central exhaust stack without applying the allowed 200/1 dilution factor between the release point and the approximate boundary of the exclusion area (SAR, pp. 117-119, June 1979).

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V-5 TABLE 2 Gaseous Effluent Releases Argon-41 Annual Summary 1988 Average Average Total Exhaust Concentration

• Concentration ** Radioactivity Month Volume (cc) (PCi/cc) (WC1/cc) (C1)*

January 6.31 E12 7.80 E-08 3 90 E-10 4.92 E-01 February 5 91 E12 4.23 E-07 2.12 E-09 2.50 E+00 March 6 31 E12 1.27 E-07 6.34 E-10 8.00 E-01 April 6.12 E12 1.29 E-07 6.46 E-10 7.91 E-01 May 6.31 E12 2.57 E-07 1.28 E-09 1.62 E+00 June 6.12 E1? 1.72 E-08 8.58 E-11 1.05 E-01 July 6.31 E1? 1 1.08 E-08 5 5.42 E-11 1 6.84 E-02 August 6 31 E12 5.85 E-08 2.92 E-10 3.69 E-01 September 6.12 E12 1 1.23 E-08 1 6.13 E-11 5 7.50 E-02 October 6.31 E12 1.39 E-08 6.97 E-11 8.80 E-02 November 6.12 E12 5.20 E-08 2.60 E-10 3 18 E-01 December 6.31 E12 4.91 E-08 2.46 E-10 3.10 E-01 Total Volume: 7.45 E+13 cc d Annual Average Release Concentration *: 1.01 E-07 pCi/cc Total Ar-41 Radioactivity Released: 7.54 E+00 Ci

• As measured in the central exhaust stack

• • As determined at 100 meters, approximate boundary of exclusion area, with 200/1 dilution factor (SAR, pp. 117-119, June 1979).

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V TABLE 3 I Solid Radioactive Waste Disposal Annual Summary 1988 Radioisotope Radioactivity I ( pC1) 4.2 E+01 Co-57 Co-60 2.4 E+03 )

Cr-51 1.4 E+03 Cs-134 1.0 E+01 Cs-137 3 5 E+00 Eu-152 2 3 E+03 Eu-154 1.0 E+01 Fe-59 2.5 E+02 Ir-192 9.7 E+01 l Mn-54 Ra-226 1 3 E+03 2.2 E+00 Sb-124 1.8 E+00 Sc 46 7.6 E+01 l I Tm-170 8.1 E+00 l I

Zn-65 2.7 E+03 Total Volume: ~ 220 ft 3 contained in plastic bags (uncompacted)

Total Radioactivity: 1.06 E-02 Ci )

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V-7 1

i TABLE 4 1

Radioactive Liquid Effluent Releases I Summary.

1988 No. of Volume Conc. MPC MPC Activity Isotope Releases mL p Ci/cc p Ci/cc Percent Curies Cr-51 10 4.91E+08 1.83 E-06 2E-03 .09 9 01 E-04 Co-58 2 3 59E+07 1.61 E-07 9E-05 .17 5.81 E-06 Co-60 34 2.40E+09 3.47 E-07 3E-05 1.15 8.36 E-04 Mn-54 38 2.54E+09 1.42 E-06 1E-04 1.42 3.63 E-03 Na-24 10 4.23E+08 3.?3 E-06 3E-05 13 1 1.66 E-03 I' - Zn-65 5 2.28E+08 4.62 E-07 1E-04 .46 1.05 E-04 Sc-46 2 7.1E+07 1 97 E-06 4E-05 4.92 1 39 E-04 In-115M 1 4 9E+07 4.79 E-07 4E-04 .11 2.35 E-05 Total Number of Releases: 38 Total Volume Including Dilution: 2.54E+09 mL Total Activity Curies: 7 31E-03 Average Concentration Including Dilution 2.88E-06 PCi/cc 1

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V-8 TABLE 5 Nuclear Science Center Radioactive Liquid Effluent Releases Monthly Summary January 1988

'E No. of Volume Conc. MPC MPC Activity B Isotope Releases mL pC1/cc p C1/cc Percent Curies Co-60 1 5.31E+07 6.91 E-07 3E-05 2 30 3.67 E-05 Mn-54 1 5 31E+07 5.80 E-06 1E-04 5.80 3.08 E-04 Zn-65 1 5 31E+07 7.49 E-07 1E-04 74 3 98 E-05 Sc-46 1' 5 31E+07 2.59 E-06 4E-05 6.49 1.38 E-04 Total Number of Releases: 1 Total Volume Released (with dilution): 5.31E+07 mL Average Concentration (with dilution): 9.83E-06 pCi/cc I

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. . 4 V-9 TABLE 6 Nuclear Science Center Radioactive Liquid Effluent Releases Monthly Summary I February 1988 No. of Volume Conc. MPC MPC Activity Isotope Releases mL p C1/cc pC1/cc Percent Curies

. Co-60 2 4.33E+08 1.07 E-07 3E-05 35 4.65 E-05 l Mn-54 2 4.33E+08 3 93 E-07 1E-04 39 1.70 E-04 l Na-24 1 5 3E+07 4.90 E-06 3E-05 16.35 2.6 E-04 Total Number of Releases: 2 Total Volume Released 'with dilution): 4.33E+08 mL

' Average Concentration '.with dilution): 1.10E-06 pC1/cc Total Radioactivity: 4.77E-04 Curies I

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V-10 I

TABLE 7 Nuclear Science Center Radioactive Liquid Effluent Releases

.I Monthly Summary March 1988 No. of Volume Cone. MPC MPC Activity Isotope Releases mL pC1/cc pC1/cc Percent Curies.

Co-57 2 6.89E+08 5.29 E-07 3E-05 1.76 3.65 E-04 Mn-54 2 6.89h08 2.43 E-06 1E-04 2.43 1.68 E-03 g

Zn-65 1 5.21E+07 3.80 E-07 1E-04 38 1.98 E-05

'I Total Number of Releases: 2 Total Volume Released (with dilution): 6.89E+08 mL Average Concentration (with dilution): 2.73E-06 pCi/cc J

Total Radioactivity: 1.88E-03 Curies I

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V-11 TABLE 8 Nuclear Science Center I Radioactive Liquid Effluent Releases Monthly Summary April 1988 No. of Volume Conc. MPC MPC Activity Isotope Releases mL PCi/cc pC1/cc Percent Curies Cr-51 1 1.79E+07 7.43 E-06 2E- 03 37 1 33 E-04 Co-58 1 1.79E+07 2.62 E-07 9E-05 .29 4.69 E-06

.l 2.11 3.3 E-05 Co-60 1 5.21E+07 6.33 E-07 3E-05 Mn-54 2 7.09E+07 2.86 E-06 1E-04 2.86 2.03 E-04 Na-24 1 1.79E+07 3.60 E-07 3E-05 1.20 6.46 E-06 Zn-65 2 7E+07 6.24 E-07 1E-04 .62 4.37 E-05 I So-46 1 1.79E+07 1.10 E-07 4E-05 .27 1.98 E-06 I Total Number of Releases: 2 Total Volume Released (with dilution): 7.09E+07 mL Average Concentration (with dilution): 6.11E-06 pCi/cc Total Radioactivity: 4.33E-04 Curies I

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V-12 TABLE 9 I. Nuclear Science Center Radioactive Liquid Effluent Releases Monthly Summary May 1988 No. of Volume Conc. MPC MPC Activity Isotope Releases mL pC1/cc pCi/cc Percent Curies Cr-51 2 1.06E+08 8.10 E-07 2E-03 .04 8.61 E-05 Co-60 6 2.54E+08 2.93 E-07 3E-05 97 7.47 F-05 1.14 E-06 1E-04 1.14 1.92 E-04 I Mn-54 Zn-65 6

1 2 54E+08 5.31E+07 4.27 E-08 1E-04 .04 2.27 E-06 Total Number of Releases: 6 Total Volume Released (with dilution): 2.33E+08 mL Average Concentration (with dilution): 2.54E-06 pCi/cc Total Radioactivity: 5 90E-04 Curies I

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V-13 TABLE 10 Nuclear Science Center I Radioactive Liquid Effluent Releases Monthly Summary June 1988 No. of Volume Conc. MPC MPC Activity Isotope Releases mL pC1/cc pC1/cc Percent Curies cr-51 1 5 31E+07 1.83 E-06 2E-03 .09 9.76 E-05 Co-60 4 1 38E+08 2.60 E-07 3E-05 .86 3.60 E-05 Mn-54 5 1.87E+08 8.83 E-07 1E-04 .88 1.65 E-04 I

Total Number of Releases: 5 Total Volume Released (with dilution): 1.88E+08 trL I Average Concentration (with dilution): 1.59E-06 pCi/cc Total Radioactivity: 2.99E-04 Curies I

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V-14 I TABLE 11 Nuclear Science Center Radioactive Liquid Effluent Releases Monthly Summary July 1988 No. of Volume Conc. MPC MPC Activity Isotope Releases mL pCi/cc pCi/cc Percent Curies cr-51 1 5.31E+07 2.29 E-06 2E-03 .11 1.22 E-04 Co-58 1 1.8E+07 6.22 E-08 9E-05 .06 1.12 E-06 Co-60 3 1.241408 2.95 E-07 3E-05 98 3.67 E-05 Mn-54 3 1.24E+08 1.15 E-06 1E-04 1.15 1.44 E-04 Na-24 2 7.11E+07 7.37 E-07 3E-05 2.45 5.24 E-05 I

Total Number of Releases: 3 Total Volume Released (with dilution): 1.24E+08 mL Average Concentration (with dilution): 2.87E-06 pCi/cc Total Radioactivity: 3.57E-04 Curies I

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V-15 TABLE 12 Nuclear Science Center Radioactive Liquid Effluent Releases Monthly Summary August 1988 No. of Volume Conc. MPC MPC Activity Isotope Releases mL pCi/cc pCi/cc Percent Curies Cr-51 1 5 31E+07. 1.69 E-06 2E-03 .08 9.02 505 Co-60 3 1.61E+08 1.94 E-07 3E-05 .64 3.13 E-05 Mn-54 4 1.80E+08 6.71 E-07 1E-04 .67 1.20 E-04 Na-24 3 1.25E+08 5.22 E-06 3E-05 17.4 6.54 E-04 Total Number of Releases: 4 Total Volume Released (with dilution): 1.80E+08 mL Average Concentration (with dilution): 4.97E-06 pCi/cc Total Radioactivity: 8.96E-04 Curies I

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V-16 l TABLE 13 Nuclear Science Center Radioactive Liquid Effluent Releases Monthly Summary September 1988 No. of Volume Conc. MPC MPC Activity Isotope Releases mL pCi/cc pCi/cc Percent Curies cr-51 1 4.9E+07 3.69 E-06 2E-03 .18 1.81 E-04 Co-60 3 1.49E+08 3 30 E-07 3E-05 1.10 4.93 E-05 Mn-54 4 2.02E+08 7.91 E-07 1E-04 .79 1.60 E-04 Na-24 1 4.9E+07 7.10 E-06 3E-05 23.6 3.48 E-04 In-115M 1 4.9E+07 4.79 E-07 4E-04 .11 2.35 E-05 Total Number of Releases: 4  ;

Total Volume Released (with dilution): 2.02E+08 mL i

Average Concentration (with dilution): 3.77E-06 pCi/cc Total Radioactivity: 7.62E-04 Curies 1

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V-17 TABLE 14 I Nuclear Science Center Radioactive Liquid Effluent Releases Monthly Summary October 1983 No. of Volume Conc. MPC MFC Activity Isotope Releases mL pC1/cc pCi/cc Percent Curies Cr-51 1 5 31E+07 1.33 E-06 2E-03 .06 7.11 E-05 Co-60 3 1 31E+08 3.18 E.-07 3E-05 1.06 4.18 E-05

~

Mn-54 3 1.27&o8 1.16 E-06 1E-04 1.16 1.48 E-04 Total Number of Releases: 3 Total Volume Released (with dilution): 1.32h08 mL Average Concentration (with dilution): 1.98E-06 pCi/cc Total Radioactivity: 2.61E-04 Curies r

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V-18 1

TABLE 15 f Nuclear Science Center l l <

Radioactive ulqvid Effluent Releases I Monthly Damary November V88 No. of Volume Conc. K)C MPC Activity l Isotope Releases mL PCi/cc pCi/c1 Percent Curies Cr-51 1 5.21E+07 3.20 E-07 2E-03 .01 1.67 E-05 I co-60 1 5.21E+07 3.80 E-07 3E-05 1.26 1.98 E-05 l Mn-54 1 5.21E+07 1 E-06 1E-04 1 5.21 E-05 f

Total Number of Releases: 1 Total Volume Released (with dilution): 5.2iE+07 mL Average Concentration (with dilution): 1.70E-06 pCi/cc Total Radioactivity: 8.86E-05 Curies I

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V-19 TABLE 16

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1 Nuclear Science Center j Radioactive Liquid Effluent Releases l Monthly Summary December 1988 No. of Volume Conc. MPC MPC Activity Isotope Releases mL PC1/cc pC1/cc Percent Curies Cr-51 1 5.38E+07 1.93 E-06 2E-03 .09 1.04 E-04 Co-60 5 1.67E+08 3.91 E-07 3E-05 1 30 6.54 E-05 Mn-54 5 1.67E+08 1.10 E-06 1E-04 1.10 1.85 E-04 Na-24 2 1.07E+08 3 23 E-06 3E-05 10.7 3.48 E-04 Total Number of Releases: 5 i Total Volume Released (with dilution): 1.67E+08 mL Average Concentration (with dilution): 4.20E-bo pCi/cc Total Radioactivity: 7.01E-04 Curies 1

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1I V-20 I

ENVIRONMENTAL SURVEY PROGRAM Introduction l

The environmental survey samples were collected in accordance with the schedales of the cooperative surveillance program between the Texas State Department of Health and the Texas A&M University. These samples were analyzed for gross gamma and beta activities and isotope identification. 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 J of integrated radiation exposures at the site boundaries. These measurements are made for a period of approximately 90 days using I commercially available thermoluminescent dosimeters (TLD's) of lithium flu'oride chips in glass encapsulated bulbs. The dosimeters are pro- ,

vi6ad,and processed by Texas Department of Health, Bureau of Radiation j Conteol, Division of Environmental Programs. The state utilizes a '

background monitor located at a point 5 25 miles west-southwest of the NSC facility. This site for the background measurement is generally at right angles to the prevailing southeasterly winds.

Table 17 lists the average exposure rate above ambient background for a number of locations at the site boundary. The highest exposure I point was determined to be at Site #3 (390 mR/yr) which is on the NSC Site Boundary fence west by south-west of the reactor building.

1 I The closest offsite point of extended occupancy is located just beyond the Site Boundary fence directly behind the Site #10 monitoring location. From the data in Table 17, it can be easily shown tnat I those occupants received much less than twice the average local off-site background exposure. l Summaries of the environmental survey program for 1988 are pre-I sented in Tables 18-21 for total (sum) gamma or total beta activity as reported to the NSC or as determined by the NSC when data from the state was unavailable.

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V-21 I TABLE 17 Environmental Radiation Monitoring Program Radiation Exposures, 1988 Measured Average Projected I Site # Location Exposure Rate (uR/hr)

Annual Exposure, 1988 (mR) 2 104 yd W of reactor building, 3.6 32 on SW chain link fence, 1.6 yd SE of W corner

.I 3 86 yd WSW of reactor building, 44 390 on SW chain link fence, 45 yd SE of W corner 4 68 yd NW of reactor building, 2.4 21 on NE chain link fence, 67 yd I NE of of W corner, near junction calibration range fence and NE chain link fence 5 75 yd NE of reactor building, 2.4 21 8.3 yd NW of main gate, on NE chain link fence 6 99 yd NNE of reactor building, 16.9 150 on NE chain link fence, 1.6 yd SE of N corner i 10 63 yd SE of reactor building, 0.16 1.4 I on SE chain link fence, 78 yd SW of E corner 11 99 yd E of reactor building, 0.94 8.2 on NE chain link fence, 1.6 yd NW of E corner I 14A 5.25 miles WSW of reactor building, at FM 60 bridge over Brazos River, at SW 8.5* 74*

side of bridge, on fence .

brace of wooden fence at end of access road - back-ground (as of 3/26/87)

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+ Monitoring Period for " Measured" data: 4 February 1988 through l 19 October 1988. Fourth quarter data not yet available. " Projected" I exposures for 1 January 1988 through 31 December 1988. j l

• Background values. I I

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V-22 TABLE 18 Environmental Survey Programs First Quarter 1988 VEGETATION l

Number Total Activity

• Activity **

Location Samples (pCi/g) (pCi/g)

TAMU Dairy 5.6 .024 I

1 WATER l

Number Location Samples (pC1/ml) (pCi/ml)

Brazos River 1 5 MDA 5 MDA White Creek 1 0.5 <

MDA ,

MILK Number Location Samples (pCi/ml) (pC1/ml)  ;

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< MDA < MDA TAMU Dairy 1

]

S0I L I Number Location Samples (pCi/g) (pCi/g)

NSC Creek 1 18.8 6.1 I

• Total gamma activity including naturally occurring radionuclides

• • Excluding naturally occurring radionuclides lI

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TABLE 19 Environmental Survey Program Second Quarter 1988 VEGETATION  ;

i Number Total activity

• Activity ## - I Location Samples (pCi/g) (pCi/g)

TAMU Dairy 1 15.4 1 MDA WATER Number Location Samples (pCi/ml) (pC1/ml)

Brazos River 1 < MDA < MDA White Creek 1 0.022 0.022 MILK Number Location Samples (pCi/ml) (pCi/ml)

I TAMU Dairy 1 1.6 i MDA S0IL Number Location Samples (pC1/g) (pC1/g)

NSC Creek 1 14.4 2.8

• Total gamma activity

• • Excluding naturally occurrir.g radionuclides l

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V-24 I

I TABLE 20 I Environmental Survey Program Third Quarter 1988 VEGETATION I.

Number Total Activity

• Activity **

Location Samples (pCi/g) (pC1/g)

TAMU Dairy 1 11.6 5 MDA I. WATER I Location Number Samples (pC1/ml) (pCi/ml)

Brazos River 1 5 MDA 5 MDA White Creek 1 0.8 5 MDA MILK Number Location Samples (pCi/g) (pCi/g)

TAMU Dairy 1 1.4 5 MDA I S0IL I Location Number Samples (pCi/g) (pCi/g)

NSC Creek 1 14.0 8.2

• Total gamma activity

• • Excluding naturally occurring radionuclides I

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I V-25 TABLE 21 Environmental Survey Program I Fourth Quarter 1988 VEGETATION I Location Number Samples Total Activity *

(pC1/g)

Activity **

(pCi/g)

TAMU Dairy 1 0.7 .s MDA l

WATER Number Location Samples (pCi/ml) (pCi/ml)

Brazos River 1 0.7 g MDA White Creek 1 < MDA g MDA MILK i

g. Number E Location Samples (pCi/ml) (pCi/ml)

A&M Dairy 1 19 s MDA S0IL I Number l Location Samples (pC1/g) (pC1/g) .

I NSC Creek 1 74.5 54.4 I

• Total gamma activity

• • Excluding naturally occurring radionuclides I

V-26 I

I I PERSONNEL EXPOSURES Radiation exposures to personnel at the Nuclear Science Center in 1988 were below the limits set forth in 10CFR20.101. The maximum exposure received by any individual for the year was 440 mrem. A total of 2.42 MANREM was received for 1988.

The access control procedures for visiting personnel were I effective in preventing measurable exposures to radiation. During 1988, 3745 persons visited the Nuclear Science Center. The maximum exposure to any visitor as determined by film badges was less than the minimum measurable quantities: 10 millirem for X or gamma, 40 I millirem for hard beta, 20 millirem for fast neutrons, and 10 milli-rem for thermal neutron radiations.

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V-27 .

I TABLE 22 I

Summary of Whole Body Exposures

.l 1988 Whole Body Exposure Range Number of Persons (Rem) In Range No Measurable Exposure 7 1 Less than 0.100 22 0.100 - 0.249 4 0.250 - 0.499 3 0.500 - 0.749 0 l 0.750 - 0.999 0 1.000 - 1.999 0 2.000 - 2.999 0 3.000 - 3 999 0 4.000 - 4.999 0 l 5.000 Greater than 5.000 0

0 I Total Number of Individuals Reported: 36 I

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I V-28 I

I RADIATION AND CONTAMINATION CONTROL PROGRAM Introduction The detection and elimination or control of radiation hazards is an integral pa'.t cf the Radiation Safety Program at the Nuclear Science Center. The radiation and smear survey programs contribute to the control and elimination of these health hazards. This program is effective in preventing the spread of radiaoctive contamination, improper storage of radiaoctive materials, and unwarranted exposures to radiation.

I Radiation Survey The Nuclear Science Center uses an area radiation monitoring system consisting of nine (9) detector channels located throughout the Reactor and Laboratory Buildings. This system is equipped with I alarm settings and remote readouts in the control and reception rooms. Radiation levels and operational checks are recorded on a daily bands. This system functions as a radiation safety monitor for the early detection of radiation hazards. The Nuclear Science Center I facilities and site boundaries are surveyed monthly with beta-gamma sensitive instruments. These measurements are taken to determine proper storage and identification of radioactive materials and that visitor and routine work areas are free of radiation hazards.

Additionally, radiation monitoring support is provided for the reactor operations and experimenter groups to insure the safe handling of 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 1988.

I Contamination Survey I The Nuclear Science Center is routinely surveyed for radioactive contamination every month. This program includes the collection, analysis and evaluation of approximately 250 smear samples and the I decontamination of areas and materials with removable beta-gamma radioactivities of greater than 1000 dpm/100 cm2, I

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! TEXAS ENGINEERING EXPERIMENT STATION TEXAS A&M UNIVERSITY __

COLLEGE STATION, TEXAS 77843 3575 j' 31 March 1989 NUCLEAR SCIENCE CENTER 409/845 7551 l

Mr. Charles Miller, Director Standardization and Non-Power Reactor Project Directorate Division of Reactor Projects III, IV, j V and Special Projects Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop P1-137 ' 3 Washington, D.C. 20555

Dear Mr. Miller:

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In accordance with the reporting requirements of Technical Specification 6.6.1 for the Texas A&M University Nuclear Science Center Reactor we hereby submit three copies of our annual report for the period of January 1, 1988 -

December 31, 1988.  :

Sincerely, n Li e

John L. Krohn Assistant Director JLK/ym Enclosures RESEARCH AND DEVELOPMENT FOR MANKIND ao

{