ML19224B262

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Health Physics Procedure 1640:personnel Dosimetry,Issuance, Administration & Recordkeeping
ML19224B262
Person / Time
Site: Crane Constellation icon.png
Issue date: 06/15/1977
From:
Metropolitan Edison Co
To: Mullinix W
NRC/IE
References
1640, TM-0091, TM-91, NUDOCS 7906140309
Download: ML19224B262 (11)
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TMI DOCUMENTS h!

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DOCUMENT NO:

f OF DOCUMENT PROVIDED BY COPY MADE ON METROPOLITAN EDISON COMPAln.

Wilda R. Mullinix, NRC

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s 1640 Revision 0 06/15/77 THREE MILE ISLAND NUCLE AR STATION STATION HEALTH PHYSICS PROCEDURE 1640 PERSONivEL 00SIMETRY, ISSUANCE, ADMIllISTRATIOii AiiD RECORD KEEPING Table of Effective Pages Page Date Revision Paae Date Revision Pace Date R wision li e CO M Si.0 1.0 06/15/77 0

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1640 Revision 0 06/15/77 THREE MILE ISLAND NUCLEAR STATION STATION HEALTH PHYSICS PROCEDURE 1640 PERSONNEL 00SIMETRY, ISSUANCE, ADMINISTRATION AND RECORD KEEPING 1.0 PURPOSE The purpose of this procedure is to describe the method to be utilized for the issuance, administration and record keeping of personnel dosimetry.

2.0 DISCUSSION 2.1 Personnel monitoring is the measurement of radiation exposures received by personnel.

2.2 Personnel dosimeters are issued to all personnel entering the controlled area of TMI.

2.3 Personnel dosimetry, administration and record keeping is intended to provide an accurate record of personnel exposure to insure compliance with 10 CFR 20.

2.4 This procedure is also intended to aid the Radiation Protection Personnel in monitoring personnel exposures as low as reasonably achievable (ALARA).

3.0 REFERENCES

3.1 AP 1003, Radiation Protection Manual.

3.2 10 CFR 20 3.3 Radiation Exposure Monitoring System Procedure Manual.

3.4 HPP 1641 Self-Reader Dosimeter Usage and Record Keeping 3.5 HPP 1642 Operation and Calibration of the TLD System.

4.0 EQUIPMENT 4.1 Badges

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1640 Revision 0 06/15/77 4.2 Radiation Exposure Monitoring Computer System.

4.3 Self Reader Dosimeters (Gamma, fleutron).

4.4 HP.C Form-4 4.5 NRC Form-5 5.0 OPERATING INSTRUCTIONS 5.1 Issuance of Personnel Dosimeters 5.1.1 Self Reader Dosimeters 5.1.1.1 Self reader dosimeters are issued to all personnel entering the controller; area.

5.1.1.2 Low range, high range, and neutron self reader dosimeters are issued at the access control point of the discretion of the Radiation Protection Supervisor / Foreman / Rad. Chem. Tech. or as required by the Radiation Work Permit (RWP).

5.1.1.3 Records will be maintained in accordance with HPP 1641 5.1.2 Beta-Gamma TLD/ Film Badge Dosimetry 5.1.2.1 Permanent Personnel 5.1.2.1.1 Permanent personnel at TMI are issued a duplicate set of TLD's with similar identification numbers. These numbers are normally 100XXX and 200XXX, to permit alternate monthly use.

5.1.2.1.2 These TLD badge numbers are permanently assigned to the individual until termination or loss.

5.1.2.1.3 TLD badges are exchanged and evaluated monthly or as required by the Radiation Protection Supervisor / Foreman in accordance with HPP 1642.

5.1.2.1.4 Film badges may be issued in addition to the TLD badge to enhance dosimetry information.

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1640 Revision 0 06/15/77 5.1.2.1.5 TLD badge exposure data will be submitted to the Radiation Protection Supervisor / Foreman for review and subsequent entry into the REM Computer System in accordance with Reference 3.3.

5.1.2.1.6 Film badges are submitted to the commercial processor after each nonthly exchange for evaluation.

5.1.2.1.7 Daca from film badges or self reader dosimeters, may be utilized for NRC-5 record in the event of loss of TLD information.

5.1.2.1.8 In the event of loss of all dosimetry equipment, a calculated dose will be utilized for an individual's radiation exposure record.

This data will be entered in accordance with Reference 3.3.

5.1.2.2 Visitors, Contractors and Other Temporary Personnel.

5.1.2.2.1 Temporary personnel are issued the same dosimetry devices as permanent personnel with certain exceptions.

5.1.2.2.2 Temporary TLD badges are numberad 300XXX.

5.1.2.2.3 Temporary film badges, if i aued, are issued only for the time spent on site, but not ss exceed one (1) month.

5.1.2.2.4 Temporary TLD badges are issued only for the time spent on site, but not to exceed one (1) month unless authorized by the Radiation Protection Supervisor / Foreman.

5.1.2.2.5 Normally all temporary badges will be pi':ked up at the time of the monthly badge exchange, and will be reissued as required.

5.1.3 Neutron TLD's/ Neutron Film Badges 5.1.3.1 A neutron TLD and or neutron film badge -rill be required for

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all personnel entering the reactor containment while the reactor is at power.

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1640 Revision 0 06/15/77 5.1.3.2 Neutron TLD/ Neutron film badge dosimetry is collected at the end of each wear period and processed in the same manner at Beta Camma Dosimetry.

5.1.3.3 Neutron TLD data is automatically processed by the REM Computer System in a manner similar to the gamma exposure.

5.1.4 In the event any personnel dosimetry is lost, Radiation Protection Personnel must be notified to complete Sections A, C and D of the Contaimination/ Exposure Report (Form 1612-1).

5.2 Dosimetry Forms 5.2.1 NRC - Form 4 (Form 1770-1)

If it is necessary to expose an individual over 1.25 rem per quarter, but not to exceed 3 rem per quarter, the following NRC Form 4 is required.

Complete this form as follows:

NOTE:

.In addition to the NRC Form 4, part A of Figure 1.3 of Reference 3.1 must be completed.

Part 8 must be completed to exceed 2.5 rem per quarter.

5.2.1.1 Line 1 - print or type name (last - first - middle).

5.2.1.2 Line 2 - individual's social security number.

5.2.1.3 Line 3 - date of birth (month - day - year).

5.2.1.4 Line 4 - age in full years.

5.2.1.5 Line 5 - list the name and address of each previous employer and tne address of employment.

Start with the most recent employer and work back.

Only periods since the 18th birthday should be included.

If self-employed, insert the word "self-employed".

5.2.1.6 Line 6 - give dates of employment.

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1640 Revision 0 06/15/77 5.2.1.7 Line 7 - list periods during which occupational exposure to radiation occurred.

3.2.1.8 Line 8 - list the dose recorded for each period of exposure from records of previous occupational exposure of the individual.

5.2.1.9 Line 9 - after each entry in line 8, indicate in line 9 whether dose is obtained from records or calculated.

5.2.1.10 Line 10 - list any remarks.

5.2.1.11 Line 11 - the total for the whole body is obtained by summation of all values in line 8.

5.2.1.12 Line 12 - upon completion of the report, the employee must certify that the information in columns 5, 6 and 7 is accurate and complete to the best of his knowledge.

The date is the date of his signature.

5.2.1.13 Line 13 - _the life time accumulated occupational dose for each individual and the permissible dose are obtained by carrying out the following steps: The value for N should be taken from Item 4.

Subtract 18 from N and multiply the difference by 5 rem.

(For example, John Smith, age 32, N=32, PAD =5 (32-18)=70 rem.

Enter total exposure to date from Item 11.

Subtract (b) from (a) and enter the difference under (c).

The value in (c) represents the unused part of tne permissible accumulated dose.

This value for permissible does is to be carried forward to Form NRC-5, " Current Occupational External Radiation Exposure (Whole Body)".

h 5.2.1.14 Line 14 - enter the name that appears on the Operation License.

5.2.2 NRC Form-5.

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1640 Revision 0 06/15/77 5.2.2.1 After entry of all data for tr.e previous year into the REM Computer System, an equivalent individual flRC Form-5 for each individual is printed by the REM Computer System in accordance with Reference 3.3.

5.2.2.2 After review, this form is filed in each individual's dosimetry file.

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INSTRUCTIONS FOR PREPARATION OF FOIGI AEM6/1 the irdividual a.s exleulated under Sectica 20

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This form or a ch:.r and le r b*e re-t:rd cw.tainin:: all the Duse is to be pren in rem.

ir.formathn requirr<i on this for~ ':nust be pre;:rej t:y each licensee of the Ato:r.!c l'ner:7 O-risqon wh). pursua.t to

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Radiation." 10 CF P-The re*;ui:. r.ert for ' completion of this

9. Af ter each entry in item S indicate in item 9 item The forrn is containcd in Seet:e. 2'.'.W of that reculation.

whether dose is obidned from reecrds or calcu-information cont'.:nti in this for= is wd for estimattnr *he lated in accordan:e with Section 23.102.

external accumu!:ted eleucatic e.1 hse of t' e indivibal for whom the for:: is e-r. picui. A separate Form ACC-4 chall' Item 10. Self. explanatory.

be completed for esch indir. dual n b-exposed to a radiation dota in excess of the U-ts s:ccided :n Faraprzph 23.101(a) of Total Accumulate $ Occupatic.ncl Ibse (Whole Bcdy)

Part 20 of the Com r:snon's re.:u!ntons.*

Listed briow bv item are instrucuens and additior.al infor-Item 11. The total for the whele body is obtained by sum-mation directly pertinent to comp!cting this form:

mation of all values in Item 8.

t Identif: cation Item

1. Self-e p?snatory.

item 12. Upen completion of the -* port, the emp oyee must Item

2. Self.expionstcry cxcept that, if individus! has no certify that the infor= anon in Columns 5,6.and 7 social security number, the word "none'* sitail be is accurnte a.nd comphie to the best of his knowl-edge. ne date is the c.ste of his sisnature.

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4. Enter the ace in full years. This is called "N"-

when used in calcuining the Fermiss:ble Dose.

N is equal to the nc=ber of yea 3 of sge of the Calculations indaidual on his last bi:.hday.

Item 13. Le lifc'.ime r.e umulated occupeisn:I date for ends indir. dual r.t. tha p: m=.h': d :: un::

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5. List the n:me z.nd sddress of cach previous em.

f linww.g steps:Subtrset is it:m 5, c% mumply the player and the r.ddress of employment. Start frem 1:er: 4.

with the mo:t recent e npiorar and scri: hsek.

di5erence by 5 rem.

(Fcr exarnple. John Smith.

Enter Include cnly th:se peHeds of c:nployment since at,e a2 ; N.- 32. PA D - 5 ( 32 - 13 ) - 70 re:n.)

the eighteenth birtr.6y involving occupctional total exposure to date f-em item 11. Subtrzet (b) f rom (a) and enter the di;Terenet. under (c).

exposure to raf.iatien. For periods of s.;f. employ.

The value in (c) represer.ts the unused part of the ment. insert the wo:-d "self. employed."

permissible accumulated dose.

This value for pec-item

6. Give the dates of emp:eyment.

missible dose is to be carrad forward to For=s Item

7. List periods dur ng which occupational exposure AEC4, "" " ent Occu stional External H.adiation to asdir.Los occurred.

Exposure hole Bod /)."

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8. List the dose recorded for each period of exposure Iter 214. Self-explinatosy.

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1640 Revision 0 06/15/77 CONTAM' NATION / EXPOSURE REPORT LOSS OF PERSONAL 00SIMETRY PERSONNEL CONTAMINATION Name Company SS#

Date Time Address (If not Met-Ed)

A.

LOSS OF PERSONAL 00SIMETRY Section 1 - Film Badge /TLD 1.

Date Issued Date Lost 2.

Desimeter reading covering lost Film Badge /TLD period mrem 3.

Reading entered on individuals Radiation Record: Yes No 4.

Individual restricted from controlled area:

Yes No Section 2 - Self Readina Dosimeter 1.

Dosimeter Lost Dosimeter Off Scale Date 2.

Film Badge /TLD Evaluated:

mrem 3.

Film Badge /TLD Reissued: Yes No 4.

Individual restricted from controlled area:

Yes No B.

PERSONNEL CONTAMINATION:

1.

Contaminated Body Areas Survey Results Highest DPM 2

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Form 1612-1 9.0

1640 PERSONNEL CONTAMINATION:

(Cont'd)

Revision 0 2.

Method of Decontamination:

3.

Decontaminated Body Areas Survey Results Highest DPM 4.

Sample for Urine Bio Collected:

Yes No 5.

Individual sent for Whole Body Count: Yes

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INVESTIGATION REPORT:

(Include R.W.P. !)

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_.1 Form Completed By:

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RESULi 0F INVESTIGATION:

(Completed by Radiation Protection Supervisor / Foreman)

Approved By RP Supv/ Foreman

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Individual's Radiation History File 2

cc:

H.P. Lab Manager-Gen. Operations-Nuclear Unit Superintendent Supv.-Rad. Prot. and Chemistry Safety Representative Individual's Supervi';or

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