ML20155H140

Licensee Testimony of Je Tarpinian on Occupational Dose Assessments (Contention 2).* Related Correspondence

ML20155H140
Person / Time
Site:	Three Mile Island
Issue date:	10/11/1988
From:	Tarpinian J BECHTEL GROUP, INC., GENERAL PUBLIC UTILITIES CORP.
To:
Shared Package
ML20155H117	List: ML20155H114 ML20155H128 ML20155H140 ML20155H153 ML20155H166 ML20155H175 ML20155H190
References
OLA, NUDOCS 8810180277
Download: ML20155H140 (6)

Text

___._____- - _ _ _ .

i A

October 11, 1988 UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION BEFORE THE ATOMIC SAFETY AND LICENSING BOARD In the Matter of )

)

GPU NUCLEAR CORPORATION ) Docket No. 50-320-OLA

) (Disposal of Accident-(Three Mile Island Nur. lear ) Generated Water)

Station, Unit 2) )

LICENSEE'S TESTIMONY OF JAMES E. TARPINIAN ON OCCUPATIONAL DOSE ASSESSMENTS (CONTENTION 2)

Ogj0100277081011 o ADOCK 05000320 PDR 4

_ .___-______w

i Q.1 Plegse state your name. L A.1 aames E. Tarpinian.

Q.2 Mr. Tarpinian, by whom are you employed, and what is  ;

your position?

l A.2 I am employed by Bechtel Construction Inc. as Manager, Radiological Engineering for GPU Nuclear Corporation's ("GPUN") .

Radiological Controls Department at Three Mile Island Nuclear '

Station, Unit 2 ("THI-2").

Q.3. Please summarize your professional qualifications and experience relevant to this testimony. t A.3 1 have a B.A. degree in Biology and earned a M.S. de-gree in Radiological Sciences and Protection. I am certified by l the American Board of Health Physics in the comprehensive prac-tice of health physics and the power reactor specialty and regis-tered by the National Registry of Radiation Protection Technologists. From 1975 to 1978, I was a radiological controls monitor for the Electric Boat Division of General Dynamics Corpo-In that position, I provided radiation safety for all ration.

aspects of nuclear submarine overhaul and refueling, including ,

ALARA evaluation, monitoring the workplace for radiation hazards, i and setting protection requirements for workers. From 1978 to 1980, I taught classes in physics and radiological sciences at the University of Lovell. In 1980, I was hired by Bechtel North '

American Corporation. I served in a variety of engineering and i I

-4 supervisory capacities in a group dedicated to decontamination and radwaste engineering for the TMI-2 recovery project. In September, 1984, I jcined GPUN's Radiological Controls Department )

at TMI-2, and in December, 1984, I assumed the role of Deputy {

Manager, Radiological Engineering for TMI-2. Since September, 1986, I have held my present position as Manager, Radiological Engineering for GPUN's Radiological Controls Department at THI-2.

My c" rant r )onsibilities include ALARA planning and engineer-ing f( l TMI-2 recovery work. A complete statement of my pro-fessional qualifications is appended as Attachment 1 to this testimony.

1 Q.4 What is the purpcse of this testimony?

A.4 I will address the occupational radiological dose esti-mates for the GPUN proposal to evaporate tha TMI-2 Accident-Generated Water ("AGW") and for the alternative raised by the Joint Intervenors, involving on-sit' storage followed by dispos-al.

1 Q.5 What is the estimated occupational dose for the evapo-ration proposal?

A.5 The occupational dose attributed to evaporation of the AGW and the packaging of the evaporator bottoms has been conser-

! vatively estimated to be 23 person-rem. This maximum dose is based on 9.6 person-rem from approximately 16,000 person-hours

! for the evaporation process in a radiation field of 0.6 mrem /hr, 1

6

a 8.7 person-rem,from approximately 3,500 person-hours for the packaging of the evaporator bottoms in a radiation field of 2.5 mrem /hr, and 2-5 person-rem from the processing of about 31% of

, the volume of water. This dose is a very small percentage of the total TMI-2 recovery exposure to the work force estimated by GPUN and the NRC.

Q.6 What is the estimated occupational dose for the Joint Intervenors' alternative involving on-site storage of the AGW followed by disposal?

A.6 Assuming the Joint Intervenors' alternative calls for the preprocessing of 31% of the projected 2.3 million gallons of AGW prior to storage, the occupational dose attributed to the Joint Intervenors' alternative has been conservatively estimated to be approximately 15 person-rem. After a 30-year storage period, it is not unreasonable to assume that the occupational dose will be half of the maximum dose if evaporation were to take place at this time. Thus, the total occupational dose would be approximately 15 person-rem based on 5 person-rem for preprocessing and a 50% reduction in the 19 person-rem figure for evaporation (assuming evaporation is chosen as the ultimate method of disposal).

_4_

6

• ATTACEMENT 1

^

.A JAXES E. TARPINIAN SUMXARY:'

Thirteen years' experience in applied health physics and radiation protection primarily associated with nuclear power facilities. A broad base of experience includes managing a radiological engineering program for a major nuclear utility, technical planning of a large-scale decontamination proj ect, quality assurance audit, and developing and conducting training programs for nuclear workers. Certified in comprehensive practice by the American Board of Health Physics.

RPM qualified per ANSI standards. Active in professional societies and standards setting organizations and made numerous presentations to technical and non-technical audiences. .

EDUCATION: University of Connecticut at Storrs B.A. Biology, 1975 University of Lowell X.S., Radiological Sciences and Protection, 1980 EXPERIENCE:

1 e 1984-Present Bechtel Natisnal Inc.- Manager, Radiological i Engineering for'OPU Nuclear's Radiological Controls l

Department at Three Mile Island Unit-2, reporting to the RPM and supervising a staff of up to thirteen engineers responsibla for the ALARA planning

' and engineering for all TXI-2 recovery work. Other routine functions include effluent monitoring and reporting, 10 CPR 61 compliance and radwaste characterization, special source and radiation analysis, internal and external dosimetry assessments, emergency response, and various other aspects of l technical support for the Radiological Controls De pa r t me nt . Served as Deputy Mana5er of the group for two years prior to assuming present position in 3eptember of 1986. Previously served as the senior engineer in the Decontamination Planning Department.

Authored technical plans, planning studies, and data reports pertaining to the decontamination of TXI-2 facilities, and supervised the development of these products by other members of the group.

1980-1984 Bechtel North American Corp.- Served in a variety of en51neering and supervisory capacities in a Eroup dedicated to decontamination and radwaste

I 4  ;

G l

, 1 JAXES 2. TARPINIAN a

engineering for the TMI-2 recover ~y project.

Responsibilities included the development of 1 decontandnation specifications, technical and safety (

• ' . review of decontamination and radwaste procedures, '

'- ALARA planning and engineering, and supervising i up to six engineers. Authored and co-authored key technical and safety evaluation reports, served on several task groupe reporting to the Office of the Director, and played a lead role in the l early reactor building entry program.

1978-1980 University of Lowell- Graduate Assistant and l Independent Consultant. Developed and taught undergraduate labs and lecture courses in physics and radiological sciences. Edited a training manual for radiographers under contract to the NRC. Developed and conducted workshops on

• radiation for school teachers. Developed and conducted a training program for the health physica staff at Vermant Yankee. ,

1974-1378 Electric Boat Division of General Dynamics

! Corporation- As Quality Assurance Auditor (1 year) was responsible for the evaluation and audit of i

systems and procedures for the quality control of nuclear submarine ce struction. Audit findings were communicated directif to upper management. As a Radiological Controls Monitor (3 years) provided radiation safety for all aspects of nuclear submarine overhaul and refueling, including ALARA evaluation, monitoring the workplace for radiation hazards, and setting protectic'n requirements for workers. Other duties included waste management, ,

emergency response, and training of workers and peers. Qualified as Radio 1cgical Controls Monitor per Navships 0288. "DOD Secret" security clearance.

PROFESSIONAL DATA: Certified in comprehensive practice by the American l Board of Health Physics in 1984 and registered by l the National Registry of Radiation Protection (NRRPT) l Technologists in 1976. Current offices held Chair of the Nominating Cosedttee of Health Physics Society '

(HPS), President of the Susquehanna Valley Chapter of the HPS, and Chair of ASTM E-10.04.02 standards writing l , task group on ALARA. Memberships Health Physics i Society. American Academy of Health Physics, Power l Reactor Section HPS, 3RRPT, Susquehanna Valley Chapter l of HPS, Delaware Valley Society of Radiation Safety.

American Nuclear Society ( ANS), Central PA Section of ANS, American Society for Testing of Materials (ASTM).

l

. _ - _ _ _ _ . . . .__ .. - .-. _. . - _ _ _ - - - _ , _ _ - _ _ _ __ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ..