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U.S. Nuclear Regulatory Commission.

Div. of Materials and Fuel CycleFacility Licensing

Washington, D.C. 20555

License Number29-05364-01 and -02

Gentlemen:

Re: License Number29-05364-01

In acccrdance with paragraph 16, Amendment 06 to the subjectlicense, we are enclosing a radiation level survey report.On May 3, 1977, we increased the cobalt-60 curie contentof the irradiator to 990,000 curies. Readings were taken withan Eon Meter (0-50 mr/hr), calibrated in April 1977.

In view of the readings, it is requested that the authorizedlevel of cobalt-60 for this unit be increased from one millionto two million curies.

It is also requested that the authority to designate operatorsfor this unit be delegated to the undersigned, rather than waitfor specific approvals from NRC with corresponding licenseamendments. The procedure for qualifying an individual as anoperator would remain as outlined in our license, i.e.,

a. A 10 hour semi-formal course in radiation administeredby the undersigned or the Assistant RPO, Mr. Y. Doyle,using the AEC publication "Living With Radiation". Thecourse includes instruction on radiation theory, hazards,instrumentation, personnel monitoring, and safety.

b. On-the-job training in the irradiator, includina itsoperational and safety systems, operating procedures,maintenance, and product processing procedures. The timeduration for this phase is deoendent on the individual.Training periods have ranged from one to six months. ggg

COPIESSEhTTOOFF.0F NINSPECTION AND ENF0DcEMENT

Isomedix inc. 25 Eastmans Road. Parsippany, New Jersey (201) 887-4700*

v a.no Aaoress pose omc. so m aus.co.n, s.. s.es., oms 4

CHICAGO OlVIS!CN * s2s Nagie A.e . vonsa Grov. imao.s 60053 ;312> 966-e60 , -

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USNRC -2- May 24, 1977

c. At the conclusion of a and b, the trainee is givena written test, which must be passed with a scoreof 75%e He also is required to demonstrate his -

operational capability in a successful manner.

We would propose notifying NRC by letter when a specificindividual has been given operator status. The effectivedate of this status would be the date of the notificationletter.

Copies of the semi-formal course outline and written testare enclosed.

Regarding 29-05364-02

As in the above, the same authority for Isomedix todesignate operators-for the -02 license is requested, withone exception: Operator designation can be authorizedby Mr.~0. Wolford, the on-site plant manager and RadiationSafety Officer, with the written approval of the under-signed.

Very truly yours,

V /

George R.T DietRadiation Protection ficer

Enc.GRD:km

cc: U.S. Nuclear Regulatory CommissionRegion Ioffice of Inspection and Enforcement631 Park AvenueKing of Prussia, Pa. 19406

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-| CvtedNT!: 01* TI(AINING PitOGRAM HOURS. .

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.: 1. The Hazards of Radiationi

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- Unavoidable low level exposure'

.

Hazard evaluation.*

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1 ,

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2. .The Effects of External Radiation 1

a. Effects on the body,

b. Units of measurement

c. Levels of injury.

d. Long term exposures.

e. The banking concept - ''

.

.. - j

. 3. Protection from External Radiation 1

a. Time

b. Distance #

c. Shielding materials '

..

. d. Define curies and half value layers,

dose rate curves in the Isomedix!

,irradiator.

4. Radiation Physic:1

'

, The Nucleus-isotopes-radioactive decayI

5. Internal Radiation Problems 1

How radioactive material enters th.,ea.-

,

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0707bbody. *,

\b. . Effects on the body.

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6. Contamination 1

a. Hazards associated with contamination.

b. Prevention of spread.

c. Dr c or. t ami na t i on p r6cerlo r e.s ..

}. 7. Instruments and Dosimetry 1.

a. Geiger Counters,

b. Ionization chambers.)

c. Scintillation counter.

d. Film Badges,

e. Pocket Electroscopes.

'

i8. Review of Isomedix Facilities and Procedures 2 |

a. Source interlock systems.

b. Operating procedures for routine

irradiation.

| c. Operating procedures for hot cell

operations.

9. Verbal Discussion on the Above Course 1

-Questions to determine understanding of

all the topics.

Total Hours 9h

The AEC publication, "Living with Radiation" was used

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87876

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EXAMINATION*

FOR~

4 OPERATOR QUALIFICATION.

1. Name the three common types of radioactive decay emissions..

.

2. Of the three emissions from Question (1) , cobalt-60 emits.

-

the highly penetrating.

3. Cobalt-60 emits energy which (circle correct answer (s) :a. Can make other materials radioactive.b. Can damage living tissues.c. Can penetrate only the human skin.d. Is identical to X-rays, except for the

mechanism by which they are " born".

4. Regulatory agencies allow upper limits of exposure forlicensed, badged personnel working in radiation areas.The acceptable yearly level, if radiation history is unknown, is

a. 12 rem.| b. 5 rem.

c. 25 rem.d. 500 rem.

5. True or False (circle)

It is far more detrimental to the body to receive a3-rem dose over a two-hour period as opposed to over a

[ three-year period.)

6. The normally accepted dose of whole body radiation, over ashort period, at which about 50% of the population woulddie, is rem. Below rem, there are no physicaldetectable effects.

7. A 30-year old worker joins the staff as an authorized workeraround radiation. In has past work, he has received a totalwhole body exposure of 2-rem. Under the " banking" concept,how many rems should remain to his " credit"?

8. Can this worker use up all of his " credit" within the nextthree years? Yes No .

9. Define the term " rad".

|

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* 10. High personnel exposures could cause genetic effects.What are genetic effects?

.

11. What are the three best means of protection from externalexposure?

12. The dose rate at one foot from a source is 160,000 rads.

per hour. What is the dose rate at four feet?

13. How often should you ze'o your pocket dosimeter?r

14. When are the pocket dosimeter and film badge worn?

15. You are on duty at night and the source automaticallydrops before the entire cycle is over. However, theaccess door to the irradiator will not open becausethe alert radiation light is lit. Perhaps the light has

. malfunctioned. Your correct course of action is to:

Unscrew the light and enter the cell normally,a.b. Wait until the next shift arrives.c. Call the Radiation Protection Officer.d. Try to bypass the alarm and enter the chamber very

carefully with a hand-held meter.

16. It is necessary te enter the irradiation chamber. Youmake a test check of the hand-held monitor, and findthat you get no reading response. What action do youtake?

17. A group of important looking visitors arrives unexpectedlyat night and would like to go into the irradiation chamber to seethe mechanism. The Radiation Protection Officer istemporarily absent and is expected to return in threehours. What do you do?

18. While you are working in the control room, you hear strange '

scraping sounds comina from the irradiation chamber.What is your first action?

87676.

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.f 19. . Irradiation causes a toxic gas to be formed inside thef.o irradiation chamber. What is it called?<di If you enter the irradiator and the odor is very noticable,Jy what is your action?%8

20. .In any type of actual or suspected radiation emergency,+

what is your first action?34

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h1

i- 21. If a source were to leak or rupture, airborne or- waterborne contamination could occur. Name at least*

two procedures which could give early warning of trouble..

.

|-

22. In an actual personnel overexposure, where you are quitesure a person has received an overdose, who are the threepersons or agencies to contact immediately?

,

t

_.1

s

23 An overexposed person will shown physical signs which mightgive a clue to the dose he receiveds Match the following.,

''

doses and symptoms:.

. 25 rem Nausea, fatigue100 rem Unconscious, shock

'

1000 rem No detectabla effect.

24. Can cobalt-60 irradiation of a person make him radioactivefor a short time?

25. The Parsippany Irradiator (Cell 3) is a production unit-which is expected to operate on a continuous basis. Itsprimary and only function is to process. Only one considera-tion is more important. What is it?

.

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ANSWERS TO SAMPLE EXAMINATION FOR OPERATOR QUALIFICATION*

, ,

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1. Alpha, Beta, Gamma

2. Gamma

3. tr and d.

4. h.

-

5. True.

6. 500 and 25 respectively.

7. 58

8. No.

9. The absorption of 100 ergs per gram of energy.*

f10. Effects on tuture generations (such as mutations) whichmay be caused during or after conception, until birth.

11. Time, distance and shielding.'

12. 10,000 rad /hr..

13. Whenever.the reading exceeds 15 mrem at the beginningof the work tour.

. -

14. At all times when on duty.

15. c.

|

16. Any_of the following:

a. Call Radiation Protection Officer.Do nothing until he advises.

b. Take the spare meter.c. Replace batteries in the first meter;

make sure it responds; then proceed.

17. Politely refuse entry of the visitors.past theoffice / reception area.

18. Lower the source.

19. Ozone. Leave the cell for 2-3 minutes, then re-enter.

20. Call the Radiation Protection Officer.

.

6

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PAGE 2 *

(Answers - to sample examination for Operator qualification - cont'd. )

-

.

21. Source wipe test.Monitoring of water treatment system.Smearing walls, floor, vent, in cell.

2 2 .- a. Hospital or emergency squad.b. Radiation Protection Officer.c. NRC, Region I.

23, 25 rem No detectable effect100 rem Nausea, fatigue

1000 rem Unconscious, shock

24. No

25. Safety

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33 * '--le- -E. UNITED STATES .% . -h - *

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;[$ j WASHINGTON. D. C. 20555

| W \,,es/ IE FILE COPYsun a w,! gg!

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Isomedix Inc.u.w..ted'

ATTN: Mr. George R. Dietz_

Post Office Box 177-;

i Parsippany, New Jersey 07054*

.

^~

Gentlemen:,- .

Enclosed is Certificate of Compliance No. 9013, Revision No. O, for theModel No. 521 shipping package. This certificate supersedes, in itsentirety, Amendment No. 71-1 to. Byproduct Material License No. 29-15364-

- '

01, dated April 18, 1974.

Isomedix Incorporated and the U.S. Department of Agriculture have beenregistered as users of this package under the general license provisionsof Paragraph 7't.12(b) of 10 CFR Part 71 or 49 CFR 5173.393a.

This approval constitutes authority to use this package for shipment ofradioactive material and for the package to be shipped in accordancewith the provisions of 49 CFR 5173.393a.

Sincerely,

ACharles E. MacDonald, ChiefTransportation BranchDivision of Fuel Cycle and

Material Safety

Enclosure:As stated

COPY SENT REGibN(cc: */*"clMr. Alfred W. GrellaDepartment of Transportation

U.S. Department of AgricultureATTN: Mr. C L KwastAgriculture Research CenterBeltsville, Maryland 20705

M'I yst t (p Lucqi ~h 91 -'l th / q 7 ;

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