ML123550022
| ML123550022 | |
| Person / Time | |
|---|---|
| Site: | University of Maryland |
| Issue date: | 12/12/2012 |
| From: | Al-Sheikhly M Univ of Maryland - College Park |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML123550022 (17) | |
Text
U N IV OF Building 090 College Park, Maryland 20742-2115 301.405.5207 TEL 301.314.2029 FAX www.mse.umd.edu GLENN L. MARTIN INSTITUTE OF TECHNOLOGY A. JAMES CLARK SCHOOL OF ENGINEERING Department of Materials Science and Engineering December 12, 2012 Document Control Desk United States Nuclear Regulatory Commission Washington, D.C. 20555-0001
Reference:
Annual Report: July 1, 2011 - June 30, 2012 for the Maryland University Training Reactor, Docket No. 50-166, License No. R-70, University of Maryland Enclosed please find the University of Maryland's Annual Report for the period beginning July 1, 2011 and ending June 30, 2012 for the Maryland University Training Reactor, Docket No. 50-166, License No. R-70. The review of the 50,59 compliance program for the experiments and procedures will be submitted later.
If there are questions about the information submitted, please write to me at:
Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742-2115 or email me at mohamad@umd.edu. I would appreciate it if you would copy Prof. Robert Briber on any such correspondence: Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742-2115; rbriber@umd.edu.
I declare under penalty of perjury that the foregoing response is true and correct.
Sincerely, Mohamad Al-Sheikhly Professor and Director Maryland University Training Reactor Enclosure cc: Robert Briber
ANNUAL REPORT: July 1,2011 - June 30, 2012 FOR THE MARYLAND UNIVERSITY TRAINING REACTOR License No. R-70 Docket No. 50-166 Department of Materials and Nuclear Engineering A. James Clark School of Engineering University of Maryland, College Park College Park, MD 20742-2115
MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT TABLE OF CONTENTS TA B LE O F C O N TEN TS .................................................................................................... 1 I. IN TR O D U CTION ....................................................................................................... 2 II. REA CTO R U SA G E ..................................................................................................... 3 III. SURVEILLANCE TESTS AND INSPECTIONS ........................................................ 4 IV. CHANGES TO THE FACILITY ................................................................................... 6 V. ENVIRONMENTAL SURVEYS OF SURROUNDING AREAS ................................ 7 VI. RADIOACTIVE RELEASE AND DISCHARGE TO THE ENVIRONMENT ............ 8 VII. ALARA REVIEW FOR FACLITY PERSONNEL AND VISITOR EXPOSURE ..... 9 VIII. UNSCHEDULED REACTOR SHUTDOWN/REPORTABLE OCCURENCES ......... 10 IX . SPECIA L EXPERIM EN TS ............................................................................................... 11
- x. CHANGES IN FACLITY STAFF ............................................................................... 12 A. APPENDIX A. EPA COMPLIANCE .......................................................................... 13 1
MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT I. INTRODUCTION The University of Maryland Training Reactor (MUTR) is an open-pool type, TRIGA fueled reactor licensed for operation at 250 kW thermal power. The core is cooled by natural convection of the pool water with auxiliary cooling provided for protection of the filters and ion exchange equipment associated with reactor support piping.
The MUTR is used for academic instructions and operator training, performance of neutron and gamma irradiations, neutron activation analysis experiments, and tours and demonstrations for groups internal and external to the campus as well as for visiting nuclear power plant trainees.
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MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT REACTOR USEAGE During the past year the MUTR operated for a total of 85 runs (Run Numbers 4099 - 4184),
which are categorized below:
Operator Training/Requalification* 15 runs Tours, Labs & Demonstrations** 9 runs Calibration, Maintenance, and Surveillance 16 runs Irradiations and Activations 45 runs
- Note: Some runs involved training and surveillance and may be counted in both categories.
- Note: Some of the runs in the Tours, Labs & Demonstrations category consisted of operator training. They are not included in the training category.
To perform these runs the core produced 73.587 MWh (kWh meter change from 291932 kWh to 365519 kWh), with a corresponding burnup of 4.17 Grams of U-235.
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MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT III. SURVEILLANCE TESTS AND INSPECTIONS All required surveillance tests and inspections were performed at the specified intervals. The required surveillance items for this reporting period include:
WATER SAMPLE TESTS AIR SAMPLE TESTS RADIATION SURVEYS CONTROL ROD DROP TEST RAM CALIBRATION SNM INVENTORIES ALARA REVIEW In addition to the above surveillance items, the following maintenance operations were performed on the indicated dates:
9/12/11 Dri-rite baked.
12/5/11 Dri-rite replaced.
3/12/12 Dri-rite baked.
6/7/12 Dri-rite replaced.
Additional minor maintenance was performed such as light bulb replacement and fine-tuning of equipment was performed as necessary.
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MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT IV. CHANGES TO FACILITY There were no significant changes to the Facility during this reporting period.
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MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT V. ENVIRONMENTAL SURVEYS OF SURROUNDING AREAS All continuous monitoring for this year was accomplished using fixed-mounted film badges throughout the interior of the reactor building itself. These badges recorded the following exposures:
Monitor Location Dose (mrem) 1 Control Room 296 2 Pool Surface 2331 3 Hot Room 209 4 Prep Room 579 5 S. Wall Upper 281 6 S. Wall Lower 439 7 E. Wall Lower 718 8 Pump Room 1532 9 N. Wall Lower 747 10 W. Wall Lower 474 6
MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT VI. RADIOACTIVE RELEASE AND DISCHARGE TO THE ENVIRONMENT The Reactor Storage Sump was not discharged during this reporting period.
The only release from the MUTR consists ofAr-41. From Section 11 of the SER for the MUTR, a 30.0 MWh operation year would result in the generation of 100 mCi of Ar-41 for the entire year from the reactor pool tank. For this operational year, a combined 245.29 mCi of Ar-41 was released to the reactor building. This value was used in the EPA program COMPLY. The MUTR meets the EPA level 2 compliance for airborne release of radioactive materials. A copy of the output for the EPA computer program "COMPLY" is appended with this report.
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MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT VII. ALARA REVIEW FOR FACILITY PERSONNEL AND VISTOR EXPOSURE A review of exposure records and all facility operations were performed by facility management as part of the annual ALARA audit. For this reporting period, all badged personnel and students received doses less than ten per-cent of their annual dose limit.
The Pocket Dosimeters recorded minimal exposure for all guests and service personnel.
Calibrations of these self-reading dosimeters were performed on an annual basis by the University of Maryland's Radiation Safety Office.
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MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT VIII. UNSCHEDULED SHUTDOWNS/REPORATBLE OCCURRENCES There were no unscheduled shutdowns during this period.
There were no reportable occurrences during this reporting period.
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MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT IX. SPECIAL EXPERIMENTS There were twelve (12) special experiments performed during this reporting period.
Although the majorities were minor changes to previously performed experiments, according to the MUTR Technical Specifications, any experiment utilizing the thermal column is included as a "Special Experiment".
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MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT X. CHANGES IN FACILITY STAFF There were no significant changes to staffing during this reporting period.
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MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT APPENDIX A: EPA COMPLIANCE Below is the output from the EPA program COMPLY for the Ar-41 release from the MUTR:
COMPLY: Vl.5d. 9/20/12 8:59 40 CFR Part 61 National Emission Standards for Hazardous Air Pollutants REPORT ON COMPLIANCE WITH THE CLEAN AIR ACT LIMITS FOR RADIONUCLIDE EMISSIONS FROM THE COMPLY CODE, VERSION 1.5d Prepared by:
University of Maryland Maryland University Training Reactor College Park, MD Mohamad Al-Sheikhly (301) 405-5214 Prepared for:
U.S. Environmental Protection Agency Office of Radiation Programs Washington, D.C. 20460 12
MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT COMPLY: Vl.Sd. 9/20/12 8:59 20112012Ar41 SCREENING LEVEL 1 DATA ENTERED:
Effluent concentration limits used.
DATA ENTERED FOR STACK 1:
CONCENTRATION Nuclide (curies/cu m)
AR-41 4. 53E-05 DATA ENTERED FOR STACK'2:
CONCENTRATION Nuclide (curies/cu m)
AR-41 4.53E-05 NOTES:
Input parameters outside the "normal" range:
None.
RESULTS:
You are emitting 13300.0 times the allowable amount given in the concentration table.
- Failed at level 1.
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MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT COMPLY: V1.5d. 9/20/12 8:59 20112012Ar41 SCREENING LEVEL 2 DATA ENTERED:
RELEASE RATES FOR STACK 1.
Release Rate Nuclide (curies/YEAR)
AR-41 4.530E-05 RELEASE RATES FOR STACK 2.
Release Rate Nuclide (curies/YEAR)
AR-41 4.530E-05 SITE DATA FOR STACK 1.
Release height 10 meters.
Building height 10 meters.
The source and receptor are on the same building.
Stack diameter 1.00 meters.
Distance from the source to the receptor is 15 meters.
Building width 15 meters.
Default volumetric flow rate from the stack used (0.3 cu m/sec).
SITE DATA FOR STACK 2.
Release height 10 meters.
Building height 10 meters.
The source and receptor are on the same building.
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MARYLAND UNIVERSITY TRAINING REACTOR 2011-2012 ANNUAL OPERATING REPORT Stack diameter 1.00 meters.
Distance from the source to the receptor is 15 meters.
Building width 15 meters.
COMPLY: Vl.5d. 9/20/12 8:59 Default volumetric flow rate from the stack used (0.3 cu m/sec).
Default mean wind speed used (2.0 m/sec).
NOTES:
Input parameters outside the "normal" range:
None.
RESULTS:
Effective dose equivalent: 1.2E-03 mrem/yr.
- Comply at level 2.
This facility is in COMPLIANCE.
It may or may not be EXEMPT from reporting to the EPA.
You may contact your regional EPA office for more information.
- END OF COMPLIANCE REPORT **********
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