ML20206E959
| ML20206E959 | |
| Person / Time | |
|---|---|
| Site: | 07100443 |
| Issue date: | 05/21/1986 |
| From: | JOHN DEERE CORP. |
| To: | |
| Shared Package | |
| ML20206E952 | List: |
| References | |
| NUDOCS 8606240054 | |
| Download: ML20206E959 (53) | |
Text
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INDEX PART 1 SECTION PAGE(S)
I.
Purpose and Scope 1-2 II.
Sealed Sources Used 3
III.
R7diographic Exposure Devices 3
IV.
Source Changers 3
V.
Description of Facilities 4-12 A.
General Description of Construction 4
B.
Entries 5
C.
Area Safeguards 5-7 D.
Drawings and/or Sketches 8-12 1.
Sketch #1 - Details 9-10 2.
Sketch #2 - Facilities Survey 11-12 3.
Architects Drawings - Not included in Manual - Attached VI.
Radiation Survey Instruments 13 (Calibration in Part 2 - Section VI)
VII.
Film Badges and Pocket Dosimeters 13-14 (Calibration of Dosimeters in Part 2 -
Section VII)
VIII. Training Programs 15-23 IX.
Internal Inspection System 24-25 X.
Organization Structure 26 XI Record Keeping 27-43 PART 2 OPERATING AND EMERGENCY PROCEDURES SECTION PAGE(S)
I.
Daily Operating Instructions 1-4 II.
Emergency Procedures 5-6 III.
Surveys 7-11 IV.
Source Exchange 13 V.
Inspections and Maintenance Functions 14-25 VI.
Calibration of Survey Instruments 26-33 VII.
Calibration of Pocket Dosimeters 34-35 VIII. Leak Testing 36-40 IX.
Transportation of Radioactive Material 41-52 khk6240054860521 C
ADOCK 07200443 PDR
(
Part 1,- Saction I I.
Purposu & Scopn A.
Purpose:
1.
To compile all instructions, procedures, regulations, and supporting information necessary for John Deere Foundry to conduct safe Industrial Radiographic Inspections of castings using a sealed Cobalt 60 Source in a permanent Radiography Facility.
B.
S_ cope:
1.
To provide maximum radiation safety to radiographers, all foundry employees, and any other persons in surrounding areas by:
(a) Complying with all U.S.N.R.C.
Rules and Regula-tions applicable to our industrial radiography operation.
(b) Striving for occupational radiation exposure at levels that are: "As Low As is Reasonably Achievable" (ALARA) 2.
To provide instruction, training, and testing required for certi'fication of qualified radiographers.
We certify individuals as " Assistant Radie,graphers" only as a temporary status to document their progress toward certification as qualified radiographers.
3.
To post all required notices to employees, and provide cach radiographer with copies of: " John Deere Foundry Industrial Radiography Manual", N.R.C.
License 12-09111-01, and Parts 19, 20, 21, and 34 of N.R.C.
Rules and Regulations. L
Part 1, Snction I B.
Scope (Continued) 4.
To ensure that radiographic operations are performed only by qualified radiographers or qualified Assistant 'Radiographers under the direct surveillance of a qualified radiographer. L_
Part 1,.Section II II.
S,ealed Sources Used A.
No. 1 is a 50 curie (Max. 55 Cu) Cobalt 60 source:
Manufactured by-Technical Operations Model No. - 424-8 modified to use a #550 Ball Connector B.
No. 2 is a 165 (maximum) millicurie Cesium 137 Source:
Manufactured by Techanical Operations Model No 77302 - Source Rod III. Radiographic Exposure Devices A.
Technical Operations Model 446 Projector for Source #1-50 curies Cobalt 60.
A Tech / Ops #527 Gamma Shield to be used for all exposures - unless positioning of source will not permit its use.
B.
Tech / Ops Model 773 Survey Meter Calibration Kit for #2 Source - 150 millicuries Cesium 137.
IV.
Source Changers Technical Operations Model 488 or 771 source changer.
To be used by Tech / Ops for delivery of new source and for return of old source.
A T/O Model 488, owned by John Deere Foundry is now permanently located in exposure room for storing source during quarterly maintenance functions.
! E
Part.1,Section V V.
Description of Facilities A.
General Description 1.
Radiographic exposure room is a concrete structure (building) constructed within the total foundry building.
Location shown on plan drawings.
Outside Dimensions:
40' x 28' Inside Dimensions 33.5' x 21.5' Construction:
Solid reinforced concrete floor, walls, and ceiling Walls:
39" thick Floor and Ceiling:
34" thick Concrete Density:
150 lbs/cu. ft.
2.
Dark room and office adjacent to East wall.
Occupied by radiographers.
3.
No occupancy within 5' of North, South, and West wall.
4.
No permanent occupancy on roof - occasional occupancy for inspection and/or maintenance of utilities located here (heating / air-conditi,oning unit, hot water heater, and exhaust fans).
The area immediately surrounding exhaust fan in Southwest corner is a restricted area during exposure.
Access is controlled by a wire mesh fence with a locked entry.
Keys to this locked entry are controlled by radiographers.
Fence is located to assure 2 Mr or less outside of fence. i__
[Pcr@ B, @cc@ ion W % Cont 8 nun @)
~
B.
Entry to Exposure Room 1.
One entry door - electrically operated 6' overhead door with windows.
2.
Door is locked at all times, except during radio-graphic setup, and keys in possession of radio-graphers only.
3.
Operating controls on outside are " Locked Out" at all times by a Kirk Lock.
Key is removed immediately after opening or closing door.
4.
Set of duplicate controls inside of exposure room operate independently from outside controls.
5.
To prevent possibility of radiographers being locked inside due to power failure or malfunction of power opener, a disengage control allows door to be raised manually.
C.
Area Safeguards 1.
Locks:
(a) Entrance door - see paragraph "B" above.
(b) Padlock to lock storage plug in position for securing source in projector.
(c) Lock on door to source controls cabinet.
(d) Padlock to secure source in Tech / Ops 773 Calibration Kit.
NOTE:
All keys in possession of designated Radiographers and Radiation Protection L-
Part 1,Section V (Continund)
Officers.
2.
All signs listed below'are identified on sketch #1 page 9:
(a) " Caution Radiation Area" signs (10) located on i
South and North walls, on chain in front of entry door, and on North and South railing on roof; and on North, East and South side of fence surrounding exhaust fan on roof.
(b) " Caution Ifigh Radiation Area - Personnel Monitoring Required" (2) located on outside of overhead door, on inside of West wall facing entry.
3.
Interlocking Systems:
(a) Electrical / Mechanical System (1)
A limit switch, in projector, opens the instant source is moved toward "Open" or "On" position.
(2)
This open switch turns on four (4) flashing red lights:
Three (3) lights on outside; North, East and South walls.
One (1) light on inside of West wall facing entry.
(3)
Also activates a limit switch on overhead door.
If door is open 1" or more, the limit switch activates a loud warning. siren C
Part 1,Section V (Continu:d) outside and a buzzer in office / dark room area.
(4)
Red lights "On" at all times when source is not in " Safe" or " Stored" position in projector.
(b) Gammalarm Unit (Required by 10 CFR Part 34.29 (b))
This unit is mounted on inside of West wall such that the Green or flashing Red light is clearly visible through window in entry door.
(1)
This unit activates the same visible and audible warnings as the " Electrical Mechanical System" just described in (a).
(2)
This unit is activated by radioactivity of 2 Mr/Hr, or more.
(3)
Unit has two (2) self contained lights:
1 - Green light on continually when source is safely stored.
Flashing Red light anytime source is not completely " Safe" - if detecting 2 Mr/Hr or more.
Built in warning system to indicate maitunction of unit.
NOTE:
Both of these warning systems function concurrently and independently of the other.
IMPORTANT WARNING:
It is an absolute must to carry an operating survey meter with each entry into exposure room in spite of these two warning systems. E
Part 1,Section V (Continund)
D.
Drawings and/or Sketches 1.
Sketch #1 (Page 9, this Section)
Important dimensions and floor plan Legend showing details:
(Page 10, this Section)
Signs, warning lights, audible ~ alarms, controls, projector, safe position for collimator during exposures, etc.
2.
Sketch #2 (Page 11) and legend with radiation survey results of facility (Page 12).
(See page 11 & 12 this section) 3.
Architects drawings of construction details -- not included in manual, but attached. i
Pcrt 1,Section V (Continund)
SKETCH #1
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Pcrt 1, Snction V (Continu d)
LEGEND FOR SKETCH #1 1.
Tech / Ops Model 446 Cobalt 60 Projector 2.
Tech / Ops Model 527 Gamma Shield-Normal exposure location 3.
Locked cabinet containing source controls 4.
" Caution Radiation Area" signs; two on exterior of North wall, one on North railing on roof of room, two on South exterior of wall, one on railing on roof of room, and one on chain 10' in front of overhead door.
5.
"Ccution High Radiation Area" (Personnel monitering required): One on outside of over-head entrance door and one on inside of wall facing overhead door.
6.
Outline of area within which Gamma Shield will be restricted for exposures.
7.
6' electrically operated overhead door-locked at all times except when setting up exposures.
7A. Electrical operating switch for overhead door.
Electrical switch is controlled by a " Kirk-Lock"-only designated radiographers have been issued keys. There is also a set of door controls inside of Cabalt Room which operate independent from outside controls.
8.
5' radius circle-painted yellow on floor-Normal position of parts being radiographed.
9.
100 Watt-Red warning lights-on during exposures.
10.
Warning horn and buzzer-actived if door opens 1" iluring n-nnnore.
11.
Tech / Ops Gammalarm-red and green lights-activates 100 Watt red lights and audio door alarms. E
Pcrt 1,Section V (Continued)
SKETCH #2
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Part 1, S:ction V (Continund)
SURVEY RESULTS OF NEW COBALT 60 EXPOSURE ROOM 1.
2 mr. or less at chain.
2, 2 mr. or less - Measured on all exterior walls of " Cobalt Room" -
Checked entire length of each wall at l' to 2' from floor and at 5' to 6' from floor.
3.
Roof of Cobalt Room - 2 mr. or less. Readings made l' above surface while walking back and forth across entire roof.
4.
Exception to #3 - Exceeds 2 mr. at l' from exhaust fan. Wire mesh screen fence as shown on sketch yields 2 mr. or less around outside. Fence has warning signs " CAUTION RADIATION AREA" attached. Access to fan for periodic maintenance is controlled by Radiographers having sole possession of keys to locked entry.
NOTE: All surveys made with a "Victoreen" #592 Survey Meter. Present Source strength is 33 curies. The actual readings were then increased by 67% to indicate calculated readings with a,55 curie source.
Example; Position #1 - Actual reading 1.2 mr. yields 2 mr. from 55 curies.
A thorough study made with "Canma Shield" in various positions proves that source can be positioned anywhere within confines of the rectangle (with 5' triangle area omitted) and guarantee readings of 2 mr. or less.
This area indicated by RED lines. The positioning of source will be restricted to this area. Area is to be identified by RED lines painted on floor. c
Part 1,Section VI VI.
Radiation Survey Instruments A.
We must have two survey meters in order to insure that we always have one calibrated and operable meter.
available at all times.
This arrangement should eliminate having to suspend operations for lack of a survey meter.
B.
Survel Instruments Used:
1.
Two (2) Victoreen Model 592 Gamma Survey Meters 2.
Meters have three (3) range selections:
0 mr to 10 mr 0 mr to 100 mr 0 mr to 1000 mr VII.
Film Badges and Pocket Dosimeters A.
FILM BADGES 1.
Supplied by R.
S. Landauer, a division of Technical Operations, Inc.
2.
New badges to be supplied monthly and old badges returned to R.
S.
Landauer immediately after month end.
3.
Film badge reports supplied by Landauer are to be retained in file permanently.
4.
Film badges to be worn by monitered personnel at all times while at work.
j l
1
, L__
Port 1,Section VI (Continued)
B.
POCKET DOSIMETERS 1.
Dosimeters are:
Victoreen Model 541-A with 0 to 200 mr range.
2.
Pocket dosimeters must be worn at all times while performing any phase of radiographic work.
3.
Dosimeters will be charged and reset to O mr at the beginning of each day's work.
(A Victorcen Model 2000 charger is used) 4.
Dosimeters to be read periodically during the working day.
5.
The readings at start and end of each work day are to be recorded in the " Daily Log" along with the name of person and serial number of dosimeter assigned to that person.
Only one person assigned to each dosimeter at one time.
IMPORTANT:
If at anytime dosimeter shows an unusually high reading - or is off scale; secure source, notify Radiation Protection Officer and see " Emergency Procedures", Part 2,Section II, Pages 5& 6 of this manual.
4 L__.
Part 1,Section VIII 4
i VIII.
TRAINING PROGRAMS:
The following training programs will be required to determine the qualifications and competency of all trainees as assistant radiographers initially and then as radiographers:
A.
For Assistant Radiographer:
{
This is not a job title at John Deere Foundry - it is only used as a temporary indication that trainee has i
completed the initial phase of training as radiographer, and is qualified to make radiographic exposures under the direct surveillance of a radiographer.
1.
Introduction and Indoctrination (a) Provide trainee with a copy of the " John Deere Foundry Radiography Manual" which contains:
(1)
All information on facilities and equipment and instructions for radiographers.
(2)
Copy of N.R.C.
License 12-09111-01 and Amendments.
(3)
Copy of Title 10, Parts 19, 20, 21, & 34 of N.R.C.
Rules and Regulations i
(b) Review and discuss the contents of manual with trainee to provide trainee with a basic under-standing of our radiography operations.
(c) Provide trainee with a brief tour and explanation of fac!iities and equipment. _ - -
J
Part 1 '(Continu:d)
I 2.
Trainee (s) will be enrolled in and successfully complete, a course on "The Safe Use of Isotopes in Industrial Radiography" before receiving "on-the-job" training.
Course is presented by
" Technical Operations, Inc." of Burlington, Mass.
3.
On-The-Job Training:
Trainee (s) must have a film badge assigned prior to the start of "on-the-job" training and will not use or handle sealed sources until qualified and designated as assistant radiographer.
Training to be conducted by Radiation Protection Officer and Radiographer,and Trainee to be under the direct surveillance of Radiographer.
(a) First Day:
(1)
Will read and discuss the entire " John Deere Foundry Radiography Manual" with Radiation Protection Officer.
(2)
Trainee will be assigned to the Radiographer to observe the radiography operations for remainder of the day.
(b) Second Day:
(1)
A detailed review of the following phases of radiography operations as detailed in
" John Deere Foundry Radiography Manual" and discussion with Radiation Protection
... k
Part 1,Section VIII (Continued)
. Purpose and Scope
. Authorized Operators Radiation Protection Officer
. Discussion of Radiation Safety Equipment and Source (2)
Assigned to Radiographer to: observe handling of sealed source, receive specific instructions in making. radiographic exposures, and assist radiographer in preparing for exposures.
(c) Third Day:
(1)
Continuation of review and discussion with Radiation Protection Officer on the following phases:
Restriction of Radiographic Area Radiation Warning Signs Operation of Remote Handling Equipment Personnel Radiation Limits Radiation Monitoring Devices and Usage (2)
Assigned to Radiographer to observe handling of seaied s.ource, receive specitic instruc-tions in operation of remote handling equip-ment, the use and care of monitoring devices and assist radiographer in preparing set-ups for exposures.
w-
Part 1, Saction VIII (Continu:d)
(d)
Fourth Day:
(1)
Detailed review and discussion with Radiation Protection Officer of the following phases:
Source Security During Storage Emergency Procedures Records and Reports
. Wipe Tests Source Changing Inspections and Maintenance Programs Posting of Notices to Workers (2)
Assigned to Radiographer to observe handling of sealed source and assist in other duties under the direct surveillance of Radiographer.
(e)
Fifth Day:
(1)
Review and discuss with Radiation Protection Officer the total operation.
(2)
Complete a 25 question written examination.
(3)
Assigned to Radiographer for remainder of the day to ch::r.
'. n.". *... g.:I c; ' 3 source and assist in other duties.
4.
Trainee's Log (a)
Log to be completed daily by Radiation Protection i
Officer and training radiographer.
(b)
Entries in log will include: L.
Pcrt 1,Section VIII (Continued)
(1)
Name of trainee and date (2)
Time devoted to each day's specific activities (3)
Number of exposures observed (4)
Number of surveys observed and performed (5)
Written comments of Radiation Protection Officer and Radiographer on following:
Personal habits
. Ability to follow instructions
. Conscientiousness Ability to work with others Orgainization of time 5.
Should trainee fail to prove competency by the written examination, additional training and discussions will be required - the extent of additional training to be determined by Radiation Protection Officer; and a second written examination will be required.
6.
Areas to be covered during "on-the-job" training:
(a)
Participation in periodical training sessions (b)
Operation of remote handling equipment (c)
Usage of radiation monitoring devices (d)
Calibration of monitoring devices (e)
Records and reports (f)
Wipe tests (g)
Inspection and maintenance program
. L_
Port 1,Section VIII (Continued)
(h)
Review of applicable Parts 19, 20, 21, and Part 34, Title 10, N.R.C.
Rules and Regulations (i)
Review of John Deere Foundry Operating and Emergency Procedures (j)
Satisfactory completion of twenty-five (25) question written examination.
7.
When the trainee is able to demonstrate his competency to the Radiation Protection Officer, a detailed summary of his weekly logs, copy of his written examination, commentaries by the supervising radio-grapher and the Radiation Protection Officer will be kept on file at the John Deere Foundry by the Radiation Protection Officer.
The Radiation Protection Officer, per Amendment No. 14, Condition 12.C, of License No.
12-09111-01, may now designate the trainee as an assistant radiographer qualified to perform radio-graphy under direct supervision of radiographer.
8.
If the trainee cannot demonstrate the competency required within the amount of time as judged reason-able by Radiation Protection Officer; the trainee will have to be disqualified.
B.
Radiographers:
Trainee (s) must have successfully completed training and examination for assistant radiographer, and be designated by Radiation Protection Officer as an assistant radiographer 2
, L
Part 1,Section VIII (Continued) 1.
Assistant radiographer (s) will be trained by Radiation Protection Officer and qualified radio-grapher (under the direct supervision of radiographer).
2.
During training will be required to demonstrate com-petency in:
(a)
The use of radiographic exposure devices (b)
Handling of sealed sources (c)
Use of related handling-tools (d)
Use of radiation detection instruments 3.
The length of training required will vary with each individual trainee according to the individuals comprehensive abilities.
4.
To qualify as a John Deere Foundry designated radio-grapher, the trainee must demonstrate his capabilities to the supervising radiographer and Radiation protec-tion Officer in the following areas:
(a)
Operation of remote handling equipment for sealed sources.
(b)
Use of all radiation monitoring devices (c)
Calibration of monitoring devices (d)
Records and reports (e)
Wipe tests (f)
Inspections and maintenance functions (g)
Exposure, set-up, and film developing techniques (h)
Knowledge of Title 10 CPR Parts 19, 20, 21, & 34 N.R.C.
Rules and Regulations: anc che John Deere U
Part 1,-Section VIII (Continued)
Foundry Radiography Manual - specifically the Operating and Emergency Procedures.
5.
The competency of the trainee (s) in the above areas will be determined by the Radiation Protection Officer and supervising radiographer as follows:
(a)
Evaluate the " assistant radiographer's weekly log" which contains:
(1)
Name and weekending date (2)
Time devoted to each area of instruction or training (3)
Number of exposures made (4)
Number and types of surveys made (5)
Participation in inspections (6)
Reports and records made (7)
Written comments of supervising radio-grapher (8)
Written comments of' Radiation Protection-Officer (b)
Successful written examination 6.
If trainee (s) (assistant radiographer) is judged by the Radiation Protection Officer to be qualified and competent, he will be designated as a qualified John Decre Foundry Radiographer under the terms of Amendment 14 of N.R.C.
License 12-09111-01.
7.
If the trainee cannot demonstrate the competency required of a radiographob within the amount of L
Part 1,Section VIII(Continues) time as considered reasonable by Radiation Protection Officer; the trainee will have to be disqualified.
All records and documents covering the training and examination of each radiographer trainee will be retained in the personnel file by the Radiation Protection Officer.
C.
Periodic Training:
An on-going or continuous training situation is provided in Part 1,Section IX, " Internal Inspection" as follows:
1.
The daily contact (IX, B,
2, (a)) and frequent unannounced inspection (IX, B,
2, (b)) allows the Radiation Protection Officer to determine the training needed and provide the immediate specific training which is indicated.
2.
The quarterly functions (IX, B,
2, (c)) and safety meetings (IX, B,
2, (d)) are conducted as a group effort (all radiographers and Radiation Protection Officer's participate) and provide the opportunity to:
( a 's Train and instruct with respect.to new regu-lations, procedures, policies and equipment.
(b)
Retrain as necessary in the continuing proficiency with present equipment and procedures.
. i w_
-m Part 1,Section IX IX.
' Internal Inspection System A.
General Explanation:
Refer to Organization Chart, Part 1,Section XII, Page 26.
4 1.
The Radiation Protection Of ficer(s), as an integral part of management, are assigned the responsibilities' for the total radiography operations, and report directly to the Manager of Quality Assurance who is a member of General Manager's Stath 2.
Radiographer (s) Qualifications (a)
Fully trained and designated, qualified radiographers (b)
Adequate "on-the-job" experience in radiography (c)
Fully qualified and ekperienced in all; aspects of management.
B.
Radiation Rrotection Officers 1.
Will assume full responsibilities to ensure that-radiography operbtions are conducter'. per; applicable N.R.C.
Regulations'and the John Decre Foundry Radio-graphy Operation Manual.
~.i a
9
)
2.
Will conduct the Management Internal Inspection as follows:
(a)
Daily contact with radiographers to assure an open communications between radiographers and f
management.
t i
m.
Pcrt 1, S ction IX (Continued)
(b)
Make frequent (at intervals not to exceed 3 months) unannounced inspections of radio-graphic operations and evaluation of radio-graphers.
Results of inspection and evaluations are to be documented on " Daily Log" with a copy filed in folder titled " Quarterly Inspection and Radiographers' Eva lua ti on ".
t (c)
Oversee the Quarterly Functions, Inspections and Maintenance Procedures.
(d)
Conduct quarterly safety meetings as a phase q
of quarterly functions.
(1)
Discuss current status of operations (2)
Discuss any safety related items noted l
by either Radiographers or Radiation Protection Officer (s).
(3)
Review and discuss N.R.C.
Bulletins and Revisions pertinent to our operations, and provide copics of those to Radiographers.
NOTE: If any Bulletins or Regulation Revisions have immediate impact, will be reviewed promptly upon receipt. k
O O
O GENERAL MANAGER I
i t
l OPERATIONS ENGINEERING MANAGER MMAGER
,x o
l O'>
I.E. AND gH:c QUAL ASSUR MANAGER dm O E5
?2 O
m RADIATION DESIGNATED BY MANAGEMENT TO
$x PROTECTION HAVE FULL RESPONSIBILITY OF
]
OFFICER RADIOGRAPHIC OPERATION.
e
- =
CC RADIO-GRAPHERS I
Part 1,Section XI XI.
RECORD KEEPING:
It is the Radiation Protection Officer's responsibility to maintain all records required by the N.R.C.
and other records which may be desired.
A.
Daily Radiography Log (See Exhibit 1, this Section (XI)
Page 33) 1.
This Daily Log is to be completed and signed by radiographers and retained in radiographer's desk until each month end at which time they are to be given to Radiation Protection Officer.
NOTE:
Details for using " Daily Log" are contained in Part 2,Section I & V.
2.
Daily Logs are to be examined frequently during each month to ensure proper use.
3.
Each month's accumulation of daily logs will be examined by Radiation Protection Officer:
(a)
Review for ommissions, or errors and point out to radiographers (b)
Total each radiographer's pocket dosimeter dosage readings and enter in " Monthly Summary Comnericon to Fi.In 9'd-4.
This report to be retained by Radiation Protection Officer for 2 years. C
P rt 1,Section XI (Continund)
B.
Quarterly Inventory of Radioactive Sources 1.
This report is to be completed quarterly at the same time that the quarterly inspection is performed.
Report is completely self expanatory and must be filled out in its entirety.
(See Exhibit 2 of this section (XI) Page 34).
2.
This report must be maintained and retained by Radiation Protection Officer for two years.
3.
This report will contain information required on source disposals (more precisely - source transfers).
C.
Quarterly Functions and Inspection 1.
This report is a summary of all functions to be performed on a quarterly basis:
(See Exhibit 3, this Section (XI), Pages 35 and 36 ).
2.
Report is to be completed by Radiation Protection Officer and retained for two years.
D.
Monthly Dosage Summaries (Exhibit 4, this Section (XI, Page 37).
1.
T..is. report is to be.empileu and maintainee oy Radiation Protection Officer and will contain:
(a)
Monthly film badge results for each radiographer (b)
Monthly summary of pocket dosimeter. readings for each radiographer (c)
Also, lifetime dosage per film badne, at tbn j
l E
]
Pcrt 1, Snction XI (Continued) start of each year.
2.
This report is not required by N.R.C. and length of retention is arbitrary.
E.
Survey Meter Calibration (Exhibit 5, this Section (XI),
Page 38 ).
1.
This report is the quarterly documentation of the results of survey meter calibrations and is to be completed during the calibration by the radio-grapher(s) performing the calibration.
2.
Report is to be retained on file by Radiation Protection Officer for two years.
NOTE:
Calibration results provided by Tech / Ops on repaired survey meters are retained until our next scheduled calibration.
F.
Pocket Dosimeter Calibration (Exhibit 6, Section (XI),
Page 39 )
1.
This report is a documentation of the results of quarterly pocket dosimeter calibrations.
2.
Report is to be retained on file (in quarterly functions book) by Radiation Protection Officer for two years.
G.
Film Badge Reports (Monthly) Exhibit 7,Section XI, Page 40.
1.
Radiation Protection Officer is responsible for submitting film badges promptly at each months end
.... =,.
. L
Part 1,Section XI.(Continu:d) 2.
When film badge report is received each month, Radiation Protection Officer will:
(a)
Review the results for each monitered individual for conformance to dosage limits.
(b)
Distribute copy (s) for radiographers to read.
(c)
Place a copy of each calender quarter ending months (March, June, Sept, and Dec.) report in Radiographers file.
3.
Original report to be retained in file by Radiation Protection Officer until disposal is authorized by N.R.C.
11.
Leak Test Results (Exhibit 8,Section XI, Page 41) 1.
Results of Leak Tests on Gamma Ray Projectors:
Model #446 and Model #773. (Every 6 months)
(a)
Radiation Protection Officer will send the Leak Test Kits to " Technical Operations, Inc.
promptly after tests are completed.
(b)
Radiation Protection Officer will review Leak Tests results immediately upon receipt.
If results indicate an excess of.005 microcuries of contamination, the source will be immediately
- 2. a 3 u. icy 4. uveu ures ,
u i aut #..a t rua. uau.
-c in Part 2,Section II, Page 6).
(c)
Radiation Protection Officer will retain Leak Test results for 6 months after the next Leak Test is performed, or until source is disposed of. L
Pnrt 1,Section XI (Continued) 2.
Results of Leak Tests on shipping container (s)
(Model #488 and/or Model #771) and Model #773 calibration kit.
NOTE:
Leak Tests on above must be performed prior to shipment.
(a)
Radiation Protection Officer will send the Leak Test Kits to " Technical Operations, Inc."
promptly after tests are completed.
(b)
Radiation Protection Officer will review results immediately upon receipt to determine if package may be shipped.
If results indicate contamination exceeding.001 microcuries, package must not be shipped.
Contact " Tech / Ops" immediately for. instructions.
(c)
Results will be maintained by Radiation Protection Officer to document compliance to Dot Regulations.
I.
Annual Summary Report of all Monitored Individuals to N.R.C.
(Exhibit 9,Section XI, Page 42) 1.
This report is required to be submitted to:
Director of Management and Program Anal" sis U.S.
Nucleu. deguiatory Commission Washington, D.C.
20555 within the first calendar quarter of each year.
2.
It requires a summary, by number only, of monitored individuals annual exposure amount.
3.
A copy of this report will be retained in file by.
~_
Port 1, Section XI- (Continued)
Radiation Protection Officer - this is not required by N.R.C.
J.
Radiographers Personnel Files:
1.
Records and documentation of training, schooling and qualification as Radiographers.
2.
Copies in each individuals file of monthly film badge reports which include calendar quarter summaries.
3.
Form NRC-4 determination of total accumulated dosage prior to monitoring at John Deere Foundry -
to be signed by individuals.
This form to be retained until disposal is authorized by N.R.C.
(Exhibit 10, Page 43)
I a C
Part 1,Section XI (Continued)
EXHIBIT I JOHN DEERE FOUNDRY RADIATION LOC BOOK lat.
DATE:
Operator 2nd.
PROJECTOR
- Model 446 Serial No. 40 SOURCE: Cobalt 60 Serial No.(
)
(
) Curies On( date
)
Number of radiographs taken:
Exposures Total exposure time:
Hinutes Dosimeter Readings:
Serial No:
User:
Start:
Finish:
Serial No:
User:
Start:
Finish:
Serial No.
User Start:
Finish:
Serial No.
User:
Start:
Finish:
1st. Shift Source Secured MR/Hr on locked source container Room Secured:
Survey Heter f 2nd Shift Source Secured:
HR/Hr on locked source container Room Secured:
Survey Heter i Inspected by: Radiographers DAILY INSPECTION Ist.
2nd.
o P:
~s CllECK LIST pg33pgg Soureg_Cyntainer
,puide Tube Crank Mechanism Exposure Room Lights Cammalarm Lights Warning Siren & Buzzer Warning Signs Guide Tube Cap Control box f.ights
. L
Part 1,Section XI (Continued)
EXilIBIT 2 QUARTERLY INVENTORY
'O F R ADIOAC TIVE MATERI A L (DATE OF INVENTORY)
COBALT 60.
C APSULE SOURCE SER,#"'s M O D E L
- u4-a CONTAINER MODEL *
"6 SERIAL"4a CURIES AS OF 2 4..-
ei so PRESENT LEVEL CURIES TECH. OP. C ALIBRATION KIT:
M O DE L" 773
' SERIAL
- 77 MILLICURlES AS OF 23 " ch 1982
2 S O U RC E S E RI A L h S-382 HWel i m
. cEsit" 237 PRESENT LEVEL-MILLICURIES RECEIPTS and/or DISPOS ALS DURING OUARTER
~
RADIOGRAPHER-Se c 4.26 of li.R.C. Regs. Title 10 Part 1,Section XI (Continutd)
EXIIIBIT #3 QUARTERLY FUNCTIONS DATE Source Inventory Present:
Safety Meeting Survey-Meter Calibra tion Dosimeter Calibration Check - See reverse side Inspection / Maintenance 1.
Source Cuide Tubes Check fort (a) Cuts (b) Eurns (c) Crushed Tubes (d ) Secure Fittings (e) Clein Bores 2.
Shield Assembly Exterior Check fort (a ) Loose /Missine Ha rdware (b) Exit Fittine (nut rotation / shake)
(c) Exit Port (concentricity tube / nut)
(d) Lables/Warnine Smbols
- 3. Sa f eev Meetine Minutes :
- 4. Cammalarm System:
Signed:
( rw rir )
Radiat ion Prot ection Ot ficer j
~ u
Port 1,Section XI (Continund)
EXIIIBIT #3 Continued QU;ARTERLY INSFECTION AND IGINTEMANCE (FARLY INSTECTION lt\\1NTEUNCE RDiARI'S DATE
- 5. Source Drive Cable a.
Broken wires b.
Kinks c.
Rust d.
Fravtet
_6.
Connec t or a.
Care for wear (T/C :todel **550 Connector Gate b.
A c t.ic r. ent to Connectort 1.
Straientness 2.
Looseness J. Cable a.
Wish b.
Lubetcite 8.Centrol Crank Housine a.
Re*ove 1.
Crank unit frew reet 2.
Crink a-1 disass(eble 3.
Wash carts 4.
Check for *allint/veir 5.
.020 ' trea r line waxtnum a t cable contact to inner vill of houstne 6.
.005 cle.irance between wheel Hub /bushin' imaxietm) 7.
Bent teeth (two ad iacent teeth 5 ant /reolace) 8.
Lubricate /rcassemble
- 9. Cont rol Cable Housine a.
Check all of exoosed housine by flexint for 1.
Cuts 2.
Flattened 3.
Burnt b.
End tittin95 t or secure ar tschnent 10.Fina l Inspection a.
Conneet r e bl e s / cuit!.? tubes b.
Atta ch dumsv source c.
Doerite several tires Check source position indicators c.
If no faults return live source ro cont'taer 8
8 f.
Make G..-ra dav survev
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Part 1,Section XI (Continued)
EXIIIBIT 5 RADIATION SURVEY METER CALIBRATION DATE OF CALIBRATION:
T/0 CALIBRATION KIT #773 SERIAL f 77 SOURCE SER. #S-382 Model f 773 142 MILLICURIES ON: -23 Mar. '82(Date)
CESIUM 137 VICTOREEN SURVEY METERS: SERIAL #1870 and #1875
- 1870
- 1875 METER DISTANCE CALCULATED ACTUAL ERROR ACTUAL ERROR SCALE FROM mr/hr.
METER
(%)
METER (Z)
RANGE SOURCE READING READING 1X 2 MR/HR 0-10 mr/hr 8 MR/HR 10 X 20 MR/HR t
0-100 MR/HR 80 MR/HR 00 m /HR 100 X 0-1000 MR/HR 800 MR/HR Retain for 2 years APPROVED:
See SEc. 34.24 of p
N.R.C. Regs. Title 10 APPROVED:
RADIATION PROTECTION OFFICER i
I Part 1,Section XI (Continued)
EXIIIBIT 6 s
POCKET DOSIMETER CALIBRATION DATE OF CALIBRATION USE T/O CALIBRATION KIT #773 SERIAL i 77 SOURCE SERIAL f g 142 MILLICURIES ON 23 March 1982 (DATE) Source Model # 773 MILLICURIES ON DATE OF CAllBRATION POCKET DOSIMETER READING ACTUAL CALCULATED READING CALCULATED SERIAL NO.
AT START READING READING ERROR AT START READING ERROR 20 MR 180tm 20 MR 180 MR 20 MR 180 MR 20 MR 180 MR t
20 MR 180 MR 20 MR 180 MR 20 MR 180 MR DISTANCE SETTING FOR 20 MR CHECK EXPOSURE TIME FOR 20 MR CHECK 1 M Mtn..
DISTANCE SETTING FOR 180 !!R CllECK EXPOSURE TIME FOR 180 !!R C11ECK 13.5 Mins.
CllECK BY:
RADIOGRAPHER.
Part 1,Section XI (Continued)
EXHIBIT 7 m
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Port 1,Section XI (Continued)
EXHIBIT 8 RADIATION PRODUCTS DIVISION INVOICE TECHNICAL OPERATIONS, INCORPORATED No.14308 40 SOUTH AVENUE o
WATS tlNE 800 225 1383 BURttNGTON, MASSACHUSETTS 01803 PHONE (617) 273 2000
{
SHIP TO:
]
SOLD TO:
John Deere Foundry Rt. 84 4 14th Ave.
East Holine, IL 61344 L
_J L
_J eoevoKE DAff Cultoaste ACCOu*ef NO DE lf tee AisON AEC LKf M5f NO S-4-79 18900
,,_IL-08
.Aie.iawso tuuo.a. e.oi.
o n.l eOe
==
a 78345902 Net se oAvs sueuNoroN. Mass.
@^
IIN uni f P90Duci Nff pg.gg,pg illiE 0 ese n.no r#KE coDi AMoVNI 2
518 Leak Tests 3,
Labor for Performing Leak Tes?.s 22.00 D2005.
44.00
, 'if as
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]
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' ici IMPORTANT:
Moho oil ch*b5 por*lo 'o inhaeol omohoas and wio l so coMM NoN coMM.
4 REMITTANCE Technical Operations. Inc.
44 #
i INSTRUCTIONS RADIATION PRODUCTS DIVISION i
PAY THIS AMOUNT 44.00
)
ort am,mhvwees otso3 Wipe Performed by _Rm_Fower On 12-5-79 Gommo Roy Projector 446_3 E 1 Serial No._40 J 3
,e..
uqr 3_f, g Test Method 518 Processed at Tech / Ops __12-14-79 Radioossay, microcuries Less_thaa_.001 The United States Atomic Energy Commission requires that radiographic sources be tested for evidence of leaking at the time of manufacture and thereaf ter at not more than six-month intervals.
The omcunt of removable contamination must not exceed 0 005 microcuries.
Sources showing more than 0.005 microcuries must be rescaled and retested.
Please note that this source must be tested again on or before__6-3-80 Test Performed by:
M **Y r*
A a c_
Pcrt 1,Section XI (Continutd)
EXHIBIT #9 l
I
$'JG5ESTE0 C23T FCA?ti FC2 THE REF02 TIN 3 y 2ECC20E0 PERSONNEL ".HCLE 80CY EXPC$';2E5 FOR CA(ENOAA VEAR 19, Lt:emsee Resorting ('sa e & Adsress) h2C License No(s).
IF FEASOMEL P0't!T02IN3 'dAS r:0T REQ'JtRED 0u21.G THE YEAR, CHECK THl$ BOX.
0ThERW!5E. CO.TLETE THE FCLLOWI!;G TABLE:
Annual '.' hole lady Ocse Number of Individaals Annees * (8 es) in fac% 4 n==
No Persurselp EncesJre ressureble Eteosure tess Tha9 0.100 0.100 -- 0.250 0.??0 -- 0.500
- 0. !M -- 0.750 0.750 -- 1 000 1.000.. 2.000
- 2. M -- 3.000 3.M0 -- 4.000 4.000 -- 5.000 5.000 -- 6.C'A 6.m -- 1.CM 7.0% -- 9.000 8.0% - 9.000 9.0M -- 10.000 10.0M -- 11.W 11.000 -- 12.000
> 1?.cM
'otas ev.cer or inn vi:sals reported The save infcrmaticn l* suLitt*.H for the tatal neber of Individuals for.hcm perscr.nel ronitorini was (che.c4 one):
O car.ir*4 under 10 CF3 20.'C?'2) er 10 C" !*.22(s) during the C41e9d!r year-
- revi'*1 during tM calendar year.
'In3tvliJi1 v414es C=2ct1 be rerortes in tre nig../ Mual t3 the v31ues separating estosure rar.ges shall e ran;e.
r..
--, 3,,4 6
-4?-
Part 1,Section XI (Continued)
EXHIBIT No.10 E'
a r s!
U $ mucit an REGutaTOAv C0wwe55e04 se s e OCCUPATIONAL EMERNAL RADIATION EXPOSURE HISTORY 5.,t.
es.t se.
,~...
i,
- 2. 50CIAL SECURIIy NO not uses oc aroom l
- 3. NAME FRINI. LAST, FIRST, AND MODO 6 El e
r 4 AGE IN f utL YE ARS INI 3 DATE OF SIRIH IMONIM, DAY,YE ARI
_ OCCtsratoomat i amtual Pat vnous esittOev 5 Patycu59wetovogeets swwotveeG s carts OF twPtovwitt i P( AeDO508 $aP05u#f S mesott toov 9 #ECO*O C# CatCutarta mADeallDN $ a805 pat-Le55 maut ANO 48 8 W-ID' 48 Ewe R8s5Est O*f t aconq55os Essegoven
- 10. RE MAR KS
$1 ACCUMUL AIED OCCUPATaONAL DOSE
. TOi st 13 CALCULATIONS-FE RMIS$18tf DOSE 12.CE RTIFtCAIION-ICE RTIFY THAT THE Ex*05UaE Ht570ay WHOLE 900Y:
LISTE D IN COLUMN 5 5. 6 AND iIS COR#E CT AND COMPLE TE TO THE DEST OF MV KNOWLEDGE AND PE LIEF.
LAl DF RVI53188 E ACCUMULAIED REM DOSE
- SIN-18)
IBl TOTAL ExP050mE TO DATE REM E MPLOYE E 5 5tGNA TURE DAIL IFROM tlE M til IC) UNUSE D P ART OF REM FE RMts$19tf ACCLMULATED DOSElA-81 b
l l
Part 2 Section I I.
Daily Operating Instructions A.
Radiographers must wear film badge and pocket dosimeter at all times while performing radiography.
1.
Recharge and "Zero" pocket dosimeter at the beginning of each work day.
Enter " Start" reading in " Daily Log" (Exhibit 1. Page 4).
2.
Dosimeters must be read at intervals during the work day.
Any high readings, or off scale, secure source and exposure room and notify Radiation Protection Officer immediately.
(See " Emergency Instruction, Part 2,Section II, Page 5) 3.
Dosimeter reading at end of work day must be entered in " Daily Log".
(See #2 above, if high or "Off Scale" reading) 4.
Dosimeters will be assigned to only one person at a time and assignment will be documented on
" Daily Log".
B.
Prior to first exposure of the day 1.
Warm up survey meter, zero and determine that survey meter is functioning properly.
2.
Unlock and open entry door, enter with functioning survey meter.
3.
Make survey - see Part 2,Section III, " Survey Daily", Page(s) 7,8, & 9) 4.
Perform the " Daily Inspection:: per Part 2,Section V, Page(s) 14, 15 & 16.
-1,
t 1
Pcrt 2, Scction I (Continued) 5.
Make certain that guide tube is firmly attached to Tech / Ops Model 527 Gammashield - or other appropriate aiming device.
6.
Unlock and remove source plug from projector, and connect guide tube to projector.
7.
Make set-up of castings to be radiographed making certain that castings will not fall on collimator or guide tube, and that collimator is located within " Red" lines.
8.
Vacate room (take survey meter), close door and secure.
NOTE: If first exposure of day, see " Daily Inspection" in Part 2,Section V, Page(s) 14, 15 & 16.
9.
Unlock control box, expose source for exposure, set brake, and lock control box.
(a)
IMPORTANT:
Each time control box is opened and/or controls are operating, the flashing lights on controls must be working:
" Stored" light flashing when source is safely in projector.
The remote possi-bility exists that source could disconnect and retracting cable would turn on " Stored" light; however, the "Gammalarm" system and survey meter would indicate an exposed source.
"Open" light begins flashing, as cranking commences for exposing source, and continues flashing until source is in t
Port 2, Snction I (Continutd) position in collimator.
Also flashes during retract until source is in safe,
" Stored" position.
"On" light flashes
~ when source contacts limit switch in collimator and remains flashing until start of retracting source.
All of these lights must be operating properly at all times - if anyone, or all, do not function, operations must be discontinued until repaired.
(b)
NOTE:
Control box to be locked at all times, except when exposing or retracting source.
10.
At the end of exposure; unlock control box, release brake, retract source, set brake, be certain " Stored" light is flashing and lock control box.
11.
Following last exposure:
(a)
Disconnect guide tube from projector and place protective cap over open end.
(b)
Replace source plug and lock to secure source in projector.
(c)
Observe survey meter reading for entry in Daily Log.
(d)
Vacate room, lock and secure exposure room.
(e)
Enter time, that source and room were secured in Daily Log.,
%m
Part 2,Section I (Continued)
EXHIBIT 1 JOHN DEERE FOUNDRY RADIATION LOC BOOK lat.
DATE:
Operator 2nd.
PROJECTOR: Model 446 Serial No. 40 SOURCE: Cobalt 60 Serial No.(
)
(
) Curies on( date
)
Number of radiographs taken:
Exposures Total exposure time:
Hinutes Dosimeter Readings:
Serial No:
User:
Start:
Finish:
Serial No User:
Start:
Finish:
Serial No.
User:
Start:
Finish:
Serial No.
User:
Start:
Finish:
1st. Shift Source Secured t MR/Hr on locked source container Roca Secured:
Survey Heter f 2nd Shift Source Secured:
HR/Hr on locked source container Room Secured:
Survey Heter #
Inspected by: Radiographers DAILY INSPECTION N
lat.
2nd.
c3n CHECK LIST
- ~n REMARKS
}, urce Cont.it ner Culite Tube Crank Mechanism Exposure Room Lights Canmalarm 1.ights Warning Siren & Buzzer Warning Signs Guide Tube Cap Control box I.ights
_4_
m
Part 2, Srction II II.
Emergency Procedures A.
Source becoming stuck /not being able to fully retract 1.
Secure exposure room door.
2.
Survey non-restricted areas - results should be below 2 MR/Hr. (Any area found to be above 2 MR/llr should be secured) 3.
Notify Radiation Protection Officer, names and phone numbers are posted.
4.
Maintain direct surveillance and control over the areas until situation is corrected.
5.
Radiography personnel should not attempt to recover the source without qualified help.
B.
Dosimeters 1.
If during normal operations a dosimeter is found to be off scale, source is to be secured along with the door to the exposure room.
2.
Radiation Protection Officer and the radiographer are to determine the cause of the off scale dosimeter and correct the hazard to prevent a repeat of the incident.
3.
If after investigating the situation, it is determined that a worker has been exposed, his film badge is to be sent in for processing and he will not act as a radiographer until the results of his film badge are known.
4.
If a radiographer, after reading his dosimeter, drops his dosimeter and th.is causes his dosimeter e
Part 2,Section II (Continued) to go off scale, he may zero in his dosimeter and resume working.
C.
Leak Tests 1.
If after Leak Test is made and survey is made of the swab there is an indication on the meter, lock the projector or calibration kit, secure exposure room, contact Radiation Protection Officer.
No further use of the equipment that shows signs of leaks until problem is taken care of.
2.
If results from the radio assay show a leakage
.005 Microcurie level, the source in question shall be secured and Tech / Ops will advise as how to handle the situation.
e L-
Part-2,Section III III. Surveys A.
Daily 1.
Each entry into exposure room.
IMPORTANT: There are two warning systems which will indicate that source is not retracted comple-tely; both will activate red lights and activate audible warning when door is opened; however, it is still a must that a functioning survey meter be used during all entries to exposure room to provide warning of exposed source in the event both warning systems malfunction.
Set survey meter on 0-10.
(a)
Open entry door, begin survey at threshold and continue observing survey meter while entering.
NOTE:
If source has retracted into projector, there will be no measurable reading until meter is within about 5' of c rant end of projector (about 2 MR at this point).
If source is not properly retracted into projector there will be a measurable reading either at the threshold or before ree.chinn end of entry corridor - any measurable reading will indicate that source is not stored and that exposure room be vacated and secured, and that Radiation Protection Officer be notified immediately.
~7-
Part 2,Section III (Continued)
(b)
Continue entry into exposure room, survey collimator and along guide tube to projector.
(1)
If at anytime during this survey, the needle pegs out at 10 MR, vacate and secure exposure room and notify Radiation Protection Officer immcdiately.
(c)
For first survey of shift, prior to first exposures; reset meter to 0-1000 MR range and survey the surfaces of three exposed sides (top, side, and front) of projector:
(1)
If any reading is 200 MR, or more, vacate and secure exposure room and notify Radiation Protection Officer immediately.
(2)
If all readings are less than 200 MR, reset meter to 0-10 MR range, place meter on top of projector within painted outline of meter.
(d)
Unlock and remove source plug, attach guide tube, observe the survey meter reading.
This reading will now be a nerchmark to which readings after each exposure can be compared.
(e)
Following each exposure during the work shift, a survey must be made as explained in previous steps: during entry, collimator, guide tube, (not required.to survey three_ sides of projector),
. u
+-
Part 2,Section III (Continued) pla'ee survey meter on the painted location and mer; tally compare reading to the " Bench-mark" reading.
(f)
Following last exposure of work shift:
j (1)
Make survey of:
entry, collimator and guide tube.
(2)
Place meter in painted location on top of projector and compare reading to
" Benchmark".
(3)
Disconnect guide tube, replace source'
?
plug, and lock and observe meter reading.
(4F Record this reading in " Daily Log".,
i s
B.
Source Changer' l.
Receiving of container; when source changer (contain-ing a sealed source) is received it :nust, be surveyed in receiving department:
(a)
Must be surveyed no later than three hours after receipt if received during regular hours (7:00 - 15:50) or no more than 18 hours2.083333e-4 days <br />0.005 hours <br />2.97619e-5 weeks <br />6.849e-6 months <br /> if
, received after regular hours.
(b)
Radiation limith are:
10 MR at three '
from any surface and 200 MR at surface of container.
(1)
If radiation levels are below limits, deliver source changer to exposure room.
(2)
If radiation levels exceed limits:
/
- t g
6.___
Part 2,Section III (Continued)
Radiation Protection Of ficer must immediately notify; the " Director of Region III N.R.C.
799 Roosevelt Road -Glen Ellyn, Il 60137.
Phone:
312-932-2500 - Ly telephone and telegraph, mailogram or fascimile; the final delivering carrier and Tech /
Ops.
Also survey container extensively to determine if source changer can immediately be delivered to exposure room safely; if not, rope off the
" Restricted Area" and identify with warning signs.
2.
Shipping of source changer (containing a sealed source).
NOTE:
If this is an MT container it will be determined, by survey, that the container is MT.
After source c?langer (containing sealed source to be transferred to Tech / Ops) is sealed; make a complete survey as per instructions for receiving (Same radiation level limits).
3.
Records of surveys raade on received and snippaa sealed sources'are to be retained by Radiation Protection Officer.
C.
Quarterly Inspection and Maintenance 1.
After completing the inspection and maintenance;
Part 2,Section III (Continuso) expose the source with collimator positioned within Red lines and survey the entire exterior of exposure room to ensure the correct labeling of " Restricted Area" - 2MR or less.
D.
Any other surveys which are unscheduled but may be required because of accidents or incidents:
The specific situation will dictate what surveying is needed and the results will be documented and retained until it is determined that they may properly be disposed of.
f 9
Part 2,Section IV IV.
Source Exchange A.
Use Tech / Ops Model 488 or 771 source changer.
This entire procedure to be performed in exposure room.
B.
Remove the seal, four cover bolts and protective cover.
C.
Determine which of the chambers is the empty side by using the survey meter.
NOTE:
When empty source changer is used during maintenance this is not necessary.
D.
Remove cap from empty side of changer and attach the guide tube housing to this side.
E.
Unlock and remove source plug, and attach guide tube to projector.
F.
To prevent the audible alarm from sounding all during inspection function, disconnect the " Twist-Lock" electrical connection to the projector.
G.
Vacate exposure room, secure the entry, unlock control cabinet, crank source into source changer, apply control brake, and secure controls.
H.
Unlock entry door, enter exposure room with functioning survey meter, and survey to ensure that source is in source changer.
I.
Remove the protective side plates, open pair of guide covers, disconnect pig tail, reposition guide covers and replace cover plug to this chamber.
Part 2,Section IV (Continund)
J.
Remove cover plug on the other chamber (new source),
connect guide tube to this side, open pair of guide covers, connect pig tail to cable and close pair of guide covers.
K.
Vacate. exposure room, secure entry door, unlock controls, and retract new source into projector, apply control brake and secure controls.
4 L.
Unlock entry, enter with functioning survey meter and survey projector.
(See Part 2,Section III, A, 1,
(a),
(b), & (C), Pages 7 and 8.
M.
Secure source changer: replace two side plates, bolt on protective cover, insert the seal wire in cover bolt and stamp seal with "JD" identification.
N.
Connect the " Twist-Lock" electrical connector to projector to rearm the limit switch devices to the audible alarm.
O.
Vacate room, secure entry, unlock controls and proceed with a test exposure to assure that all is proper and that all warning systems are operating.
(See Part 2, Section 1, B,
8& 9 Pages 2 &3) and Section V, A,
4, 5,
6,
& 7, Page 15.
NOTE:
For the quarterly maintenance period, the para-graphs above will cover the steps needed to store source i
so that the maintenance can be done.
See Section V on quarterly maintenance.
Part 2,Section V, Inspnctions and Maintenance Functions A.
Daily To be performed at the start of each work day before first exposure, and results to be documented on bottom section of " Daily-Log" (Exhibit #1, this Section, Page 23 ).
NOTE:
Before inspection can begin, it will be required to make an entry survey as per Part 2,Section III, " Surveys",
A, 1, Pages 7,8,
& 9.
1.
Source Container:
This part of inspection is the survey of three exposed sides of container as described in Part 2,Section III, A,
1 (c), (1) &
(2), Page 8 2.
Cable Guide Tube:
(a)
Was protective cap in position over male threaded end of guide tube?
(b)
Check fittings at both ends for snug fit, or worn frayed condition of guide tube.
(c)
Check entire length of' guide tube for cuts or crushed conditions.
NOTE:
If conditions in (b) or (c) are not satisfactory,' replace guide tube prior to exposure.
3.
Crank Mechanism:
Make this inspection during first exposure while exposing source and retracting source.
(a)
If undue resistance is noted, reverse cranking direction several times until crank works smoothly.
If this fails to smooth out the Part-2, Scction V (Continund) operation, radiographic operations will cease until condition is corrected.
Notify Radiation Protection Officer.
4.
Control Warning Lights (Source Position Lights):
All three of these lights are to function properly at all times.
.If anyone fails to operate, radio-graphic Operations will cease until situation is corrected.
i 5.
Red Warning Lights: All four flashing lights (three outside exposure-room and one inside) will be.
operating when source is exposed.
If all lights do not function, secure source until corrected.
If anyone individual light fails, request mainte-nance repair promptly.
J 6.
Gammalarm Lights:
Green light to be on when source i
is stored and flashing Red light on when source is exposed.
If not functioning, secure source until corrected.
7.
Warning Siren & Buzzer in Office: Check.by:
locking overhead door opened two inches, and crank out source two or three turns, both devices should sound.
If either one does not function, secure source and door until situation is corrected.
8.
Warning Signs:
All signs must-be properly located and be clearly legible.
Notify Radiation Protection Officer of any discrepancies for prompt corrective action. -
Part 2,Section V (Continued) 9.
Guide Tube Protective Cap: This protective cap must be placed over open end of guide tube whenever guide tube is disconnected from projector.
10.
If any defects are detected in this daily inspection, or at anytime during operation, secure source until defect can be corrected, notify Radiation Protection Officer and make notation in " Daily Log".
B.
Quarterly Maintenance Inspection This inspection and maintenance is part of the " Quarterly Functions" required along with; source inventory, survey meter calibration and safety meeting.
This is to be conducted by the Radiation Protection Officer (s) and Radiographers at intervals not to exceed 3 months.
These proceedings to be documented on " Quarterly Inspection and Maintenance" form (see Exhibit #2, this section, Pages 24
& 25 ).
1.
Store source in source changer, Refer to:
Part 2,Section IV, A through L, Pages 12 & 13 for instructions.
2.
Disconnect source guide tube from projector.
3.
Eject source drive cable by cranking slowly in
" Expose" direction, coil the cable and soak in solvent.
This cable will remain in solvent during i
the entire inspection and maintenance proceedings.
{
Refer to 7 and 9 below for additional details.
J 4.
Source Controls:
(a)
Disconnect control' cable housings from control
~
- 1. F -
)
l
_.-~__
Part 2,Section V (Continued) crank housing.
(b)
Remove control crank housing from cabinet.
(c)
Remove crank unit from reel, remove crank, disassemble and wash parts in solvent.
(d)
Check inside of housing for evidence of galling and wear.
A deep scored (more than
.020" deep) line where cable contacts inner wall indicated (peed for replacing.
(e)
Check clearance between hubs of gear.
If over.005" replace.
(f)
Check teeth of gear - if two or more adjacent teeth are damaged (bent or broken), replace.
(g)
Lubricate bushings with "Unitemp" grease, and reassemble entire unit into cabinet.
5.
Control Cable liousings:
(a)
Connect cable housings to control crank housing, and make sure connections are secure.
(b)
Check the connections of control cable housings to the source storage container inside projector for secure attachment.
6.
Source Guide Tubes:
(a)
Disconnect both ends (from projector and collimator).
(b)
Examine thoroughly the entire length of guide tube for:
(1)
Cuts (2)
Burns _
Part 2,Section V (Continued)
(3)
Crushes (4)
Internal damage - by flexing by hand (any internal damage can be felt through hands).
(c)
Blow out bore of guide tube with air.
(d)
If necessary pour solvent into guide tube, leave in tube a few minutes, drain and blow excess with air.
7.
Source Drive Cable:
Use spare cable which was inspected on previous inspection and stored ready to use.
(a)
New (spare) cable must be lightly lubricated with "Unitemp" grease over its entire length while inserting into cable control housing."
(b)
Insert cable into source port and feed by hand until engaged with gear in crank housing.
NOTE:
Must use care, during this operation, to prevent dirt, dust, or foreign material from contaminating the cable.
4 (c)
One person crank cable slowly in " Retract" direction as second person holds and uncoils remaining portion of cable.
Continue until cable has about one foot remaining outside projector.
8.
Final Inspection:
(a)
Attach pigtail with Dummy Source to the source cable.
(18)
Part 2,Section V (Continued)
(b)
Insert Dummy Source and pigtail into source guide tube and attach guide tube to projector securely.
(c)
Attach opposite end of guide tube to collimator, make sure all connections are secure, and make sure all electrical connections for source warning lights are connected.
(d)
Operate the controls several times from " Stored" position to " Expose" position and back.
(1)
Check the cranking for any resistance.
If any problems, will have to be corrected i
before connecting live source.
l (2)
Check the operation of source position warning lights.
9.
Source Drive Cable Inspection:
(a)
Wash off cable as it is removed from solvent.
(b)
Examine the entire length of cable for: kinks, frays, broken wires or rust.
(1)
Minor bends or kinks maybe hand straightened, if severe, replace cable.
(2)
Any frayed or broken wires will require replacing cable.
(3)
Light rust maybe removed by hand wire brushing.
If rusted severely, replace cable.
(c)
Use a T/O 550 Connector gage to check the connector.
If connector fails any gage dimension, replace cable..
Part 2,Section V (Continued)
(d)
Check the attachment _of connector to cable; if loose or bent, replace cable.
(e)
If the cable is ok, coil, place in plastic wrap and store for installation at next inspection and maintenance period.
10.
Gage the Connector on Pigtail of Live Source (a)
If connector fails gage dimensions, source must be secured in source changer, room secured and contact Tech / Ops immediately for instructions.
(b)
If connector gages properly, proceed to connect source to cable and return to storage in projector.
Refer to:
Part 2,Section IV (Source exchange) J through O, Page 13.
11.
Source Guide Tubes (a)
Check thoroughly for rust, burns or crushes.
i (b)
Check end fittings for secure attachment.
(c)
Clean bore of tubes if necessary.
(1)
Blow out with air (2)
Pour cleaning solvent into tube and drain (3)
Blow out with air af ter using solvent.
12.
' Source Shield Acsembly Projector)
(a)
Check exterior for loose or missing hardware, 4
and replace or tighten as required.
(b)
Cb e c'-
q~4t #4ttirn-The nut cbou'd ro*ato freely without excessive wobble or looseness. -
Part 2,Section V (Continued)
(c)
Examine exit-port for concentricity of source tube with nut.
A misalignment indicates possible-damage or' shifting of field, and will require repairing by " Technical Operations".
13.
Gammalarm-System:
Must be checked out to verify s
that it is actuating the visual as well as audible alarm when source is exposed..
(a)
Disarm the limit switch warning system by disconnecting the " Twist-Lock" electrical
~
connector to projector.
This will leave.only the Gammalarm System active.
j (b)
Vacate exposure room and lock entry door "Open" approximately 1" to 2".
(c)
Crank controls in expose direction one to two turns (this is far enough for Gammalarm to detect radiation'and activate visual and-audible alarms).
(d)
If visual (Red warning. lights on exterior of
{
exposure room and Red light on Gammalarm) i and audible alarms are working:
(1)
Secure source and enter exposure room I
(Survey as required for each entry).
(2)
Rearm limit switch. warning system by.
connecting " Twist-Lock" electrical connector.
.(e)
If any of the warning devices (Red warning lights or audible alarm) do not runction, j
radiography operations must cease until -
Part 2, Section-V-(Continued) defective warning device is corrected.
14.
Expose source and survey the exterior of facilities.
See Part 2,Section III " Surveys" C, Page 10 & 11.
15.
Radiographic facilities are now ready for radiographic exposures.
Part 2,Section V (Continued)
EC(IIIBIT 1 JollN DEERE FOUNDRY RADIATION LOG BOOK lat.
DATE:
Operators 2nd.
PROJECTOR: Model 446 Serial No. 40 SOURCE: Cobalt 60 Serial No.(
)
(
) Curies on( date
)
Number of radiographs taken Exposures Total exposure time Minutes Dosimeter Readings:
Serial No User:
Start:
Finish:
Serial No:
User Start:
Finish:
Serial No.
User:
Start:
Finish:
Serial No.
User:
Start:
Finish:
lat. Shift Source Secured t HR/Hr on locked source container Room Secured:
Survey Heter #
2nd Shift Source Secured:
HR/Hr on locked source container Room Secured:
Survey Heter #
Inspected by: Radiographers DAILY INSPECTION E
lat.
2nd.
oM
=s CllECK LIST REMARES
_ Source Container
.putua tuoe Crank Huchanism Exposure Room Lights Canmalara Lights Warning Siren & Burrer karning Signs Cuide Tube Cap Control box f.ights
,$~~.
Part 2,Section V (Continued)
EXIIIBIT #2 QUARTERI.Y FUNCTIONS DATE Source Inventory Present:
Sa fety Meetinit Survey Meter Calibration Dogin eter Calibration Check - See reverse side Ins pec t ion /Ma int ena nc e 1.
Source cuide Tubes Check fort (a) Cuts (b) Burns (c) Crushed Tubes (d ) Secure Fittings (e) Clean Bores
- 2. Shield Assmbly Exterior Check fort (a) Loose /Missine Hardware (b) Exit Fit tine (nut rotation / shake)
(c) Exit Port (concentricity tube / nut)
(d ) La bl e s /Wa rni ng Svnbols
- 3. Sa f et y Meetine Minutes t
- 4. Cammalarm Systems Signede__
(overi p,ai at s,.n Protectton atlicer i t
Paga 2,Section V (Continued)
EXIIIBIT #2 (Continued)
QUARTERLY INSPECTION AND RAINTENANCE (DRLY INSPECTION inINTEMNCE RDIARKS DATE
- 5. Snurce Ortve Cable a.
Broken wires b.
Kinks c.
Rust d.
Fravire
_6.
Connector a.
Cice for 'teir t T/C itcdel a5 50 Connector Gaee b.
Attacreent to L.o.nector:
1.
Stratantness 2.
Looseness
- 7. Cable a.
Wi s.1 b.
Lucricite
- 8. Control Crank Housine a.
Re-ove 1.
Crsnk unit trem reet 2.
Crink aad tisa sssnble 3.
Wash earts 4
Ch ec tr (or esilinti' e i r i
5.
.020 nea r line ms ttrum a t caole I
contact to inner vill of housins 6.
.00 5 clea rance between vnee t Hub /bushin? I ma-(tetm p 7.
Bent teeth (tteo ad63 cent teeth bent /reolace) 8.
Lubricate' reassemble
- 9. cont rol Ca ble Housine a.
Check a ll of exoosed houst ne by f l ex t net for 1.
Cuts 2.
F1et:ened 3.
durnt b.
End r t t r ines f or secure attace. ment 10.F i nJ I Inspect:on a.
Con 9ect cibles/putdo tubes
.\\ t t i c '.1 b.
J.*T. ' soIrce L.wC st 56'ITC ejlo i n t 16st t s.11 c.s t o r s j
j d.
It r:0 raults ret urn live source l
l e n nne s i a.'r a
1
{.
hl.1 b.* G.iatiJ daV survrv l 1
VI. Calibration of' Survey Instruments A.
General:
1.
To be calibrated at intervals not to exceed three (3) months. or oftener when suspected to be in error.
NOTE:
Defective instruments are sent to Tech / Ops for repair.
Certified calibration if furnished with repaired instrument, but our d
own calibration is done at regualr schedule regardless of Tech / Ops certification date.
2.
Radiogaraphers and/or Radiation Safety Officers to perform calibration per specific instructions which follow.
3.
Calibration to be performed in exposure room using a Tech / Ops Model 773 Meter Calibration Kit containing at 165 millicurie maximum Cesium 137 Source.
4.
To be calibrated at lower end and upper end of each of three (3) ranges:
0 to 10 mr = Calibrate at 2.0 mr and 8.0 mr 0 to 100 mr = Calibrate at 20 mr and 80 mr 0 to 1000 mr - Calibrate at 200 mr and 800 mr 1
B.
Preparation for Calibration 1.
Turn on survey meter (s) to allow for adequate warm up during additional preparations - about 10 minutes.
2.
Position a 4' plank on top of supports of equal height.
The plank will be positioned approximately in the center of exposure room, parallel to the South wall, and the West end of plank about 5' from I
s e,
n n
Part 2,Section VI (Continued)
West wall.
This positioning will minimize the effects of scattered radiation.
3.
Place the T/O 773 Calibration Kit near the West end of plank with the directional port aimed directly at the opposite (East) end of plank.
C.
Specific Calibration Instructions 1.
Refer to Exhibit #1, Pages 28 -33 and follow l
instructions and observe all precautions as printed in " Tech / Ops Model 773 instrument Calibration Device Operation Manual".
2.
When calibration (s) are completed, replace the
)
shipping plate and lock the handle to secure source.
3.
Fasten a label to the meter (s) which indicates l
date of calibration.
i I
4.
Survey meters which cannot be calibrated must be sent out for repairs immediately and be so noted on calibration sheet.
5.
File the calibration sheet as per N.R.C.
regula-tions.
l I
t 4 -, _
Part 2,Section VI (Continued)
EXIIIBIT #1 i
,gg yyjg;g 3g
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W Tech / Ops Model 773 Instrument Calibration Device Operation Manual Rr f
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5
75 05vl I
TECHNICAL OPEf1ATIONS. INC.
Radiation Products Division Durhnqton, Mass. 01803 Phone (800) 22513ft3 (toll face)
[in Mass c.all(G1/) 2/2 2000) -__
Part 2,Section VI (Continund EXHIBIT #1 (Continued)
Technical Data emits gamma radiation which can cause injury if improperly used. Disassembly of the device or Size:
5 in (12.7 cm) wide,5 in (12.7 removal of the source requires special equip-cm) deep,8.5 in (21.6 cm) high ment. We recommend that any service requiring Weight:
(with altenuators) 521bs. (24 disassembly of the device or removal of the kg) source be performed by the manuf acturer.
(without attenuators) 45 lbs.
(20 kg)
Source:
Model 77302, "' Cesium,150 instrument Devices millicuries Transport DOT Specification 7A Type Although the device has radiation levels which Status:
A Package are well below the maximum radiation level per.
Shielding Lead Approx. 29 lbs. (13 kg) mitted on storage containers, personnel should Material:
not stay close to the device any longer than necessary.
General Precautions should be taken to store the instru-ment calibration device in an area that meets The Model 773 is a small, portable radiation the requirements of Title 10 Code of Federal survey instrument cahbration device. The unit Regulations 20.202(b) (2), 20.203(b) and consists of a 150 millicurie "' Cesium source 20.203(e).
permanently attached to a movable source rod it is recommended that personnel operating the which is installed in a lead shield casting. The equipment use a calibrated and operable survey source is exposed by raising the source rod instrument and wear appropriate personnel which positions the source in a 36' x 20' col.
monitoring devices. The radiation level at the limated beam port.
source rod when the source is in the " operate" The unit is equipped with three attenuators position is approximately 50 milbroentgens per (Transmission of 0.25,0.10 and 0.10) to allow a hour.
survey instrument with three ranges to be Movement of the source rod should be ac.
cabbrated at 20% and 80% of each range complished as expeditiously as practicable. An without changing the position of the survey in-alternative method of raising the source rod strument. The Model 773 can be used to would be the use of a string and pulley arrange-calibrate survey instruments with ranges up to ment.
2000 milbroentgens per hour.
In no case should anyone enter the area of the The unit is equipped with a carrying handle radiation beam or expose any part of his body which also serves as a source locking bar to to the radiation beam.
prevent unauthorszed use of the calibrator. A shipping cover is also attached to provide and additional means of securing the source.
Preparation for Use Receiving Place the source shield in a restricted area so Survey the device for e tcessive radiation levels.
that the directional port is aimed horizontally.
The device should have radiation levels less To minimize the ef fects of scattered radiation.
than 200 mR/hr at the surface and less thari 10 the unit should be 16 feet from any wall in the mR!hr at three feel from the surfacc. Inspect direction of the primary beam.
the device for shipping damage and insure that Pos lion a support horizontally from the Model the (fovice is locked-773 Instrument Calibration Device as shown in Figures 1 and 2.
Safety Precautions Restrict access to the area where the radiation 1
level is in excess of 2 milbroentgens per hour.
I The Mo8tel 173 Meter Cahbration Device con-( e Oure 4 tans a 150 mithcurse o' Cesium source that
. J
Port 2,Section VI (Continund EXHIBIT #1 (Continued)
Operation move the shipping plate. Remove all the attenuators from the radiation beam.
Note: To properly calibrate a survey instrument
- 6. Standing away from the radiation beam, it is necessary to check the instruments expose 'the source by manually raising response at two points on each of the in' the source rod. Note and record the struments ranges. These points must be survey meter reading, return the source separated by at least 50% of the full scale to the stored position. The actual intensi-reading. The instruments reading should agree ty is 800 mr/hr. If the reading is within 1 with the actual radsation intensity within 10%
10% of the actual intensity, continue to be in proper cahbration.
checking the instrument. If the instru-The following procedure is designed for a ment reading is not within 210% of the survey instrument with three scales and a range actual intensity, the instrument must be of 0-1000 mr/hr. For instruments with different adjusted and recahbrated.
ranges, the procedure will be similar but the CAUTION: Do not enter the area of the l
points will dif fer.
radiation beam while the source is expos-ed.
- 1. Turn on the survey meter and allow it to
- 7. Place the 0.25 attenuator in the beam.
" warm up" for approximately 10 minutes.
Repeat step 6; the actual intensity is 200'
- 2. Determine the activity of the source on mr/hr.
the date of cahbration from the decay
- 8. Remove the 0 25 attenuator from the chart provided with the source-and place a 0.10 attenuator in the beam.
- 3. Determine the distance from the source Repeat step 6; the actual intensity is 80-at which the radiation intensity would be mr/hr.
800 mrlhr (use Figure 3h
- 9. Place the 0.25 attenuator in the beam.
( Using the tape measure attached to the Repeat step 6; the actual intensity is 20' Model 773, place the survey meter such mr/hr.
that the axis of the detector is located at
- 10. Remove the 0.25 attenuator from the the proper distance from the source as determmed above.
beam and place the other 0.10 attenuator In the beam. Repeat step 6; the actualin-Note:
tensity is 8 mrlhr.
- 11. Place the 0.25 attenuator in the beam.
The survey meter should be located so that Repeat step 6; the actual intensity is 2 the center of the detector is at the correct mr/hr.
distance and centered on the center line of the radiation beam. The axis of the detector should be perpendicular to the centerline of Leak Testing the radiation beam. Depending upon the physical size of your survey instrument, it The Tech / Ops Model 773 Meter Calibration Kit may be necessary to mount it somewhat contains a "' Cesium source which must be leak higher than the bench surf ace. When the pro, tested at intervals not to exceed six months.
Der geometry for your instrument has been This may be accomplished using the Tech / Ops estabhshed, use the cama phystcal arrange.
Model 51P. teak test kit.
ment consistently in future cahbration opera.
- 1. Place the Model 773 cahbrator in a re-he er
.:nc,s ased.
At short distances, using survey instruments
- 2. Remove the lock and rotate the handle
- 'th large detector volumes! the radiation in.
from the top of the source rod. Remove tensaly will not be uniform across the detec.
the shipping cover, tor. Consideration should be given to this of-
- 3. Moisten the leak test swab with EDTA fect when determining the radiation inten.
solution. Olot of f the excess.
silies to be checked.
- 4. Wipe around the top of the source rod.
- 5. Standing away from the beam port, raise 5 Unlock the handle of the Model 773. Re-the source rod to the open position and Port 2,Section VI (Continued)
EXIIIBIT #1 (Continued) wipe the expcied source rod thoroughly.
THE IDENTIFICATION SHEET.
- 6. Place the lea test swab in the plastic
- 9. If the swab should show more than 0.2 envelope.
mr/hr. DO NOT MAIL. Contact Technical
- 7. Set the surve meter on its most sensitive Operations, Inc. for specific instructions.
range and place the meter in a low backgroundarea. Move the swab, in its Note:
plastic entlope, to the meter, not the meter to tre swab.
The wipe test swab will be subjected to a
- 8. If the meer indication is less than 0.2 precise radioassay when received by mr/hr atsve background, place the TechlOps and a leak test certificate will be plastic ervelope with the swab into the mailed promptly. This certificate must be mailing tax and mail to Technical Opera.
kept with your records as it is subject to tions, irs., Burlington. Massachusetts.
N.R.C. inspection.
BE SURI TO FILL OUT AND RETURN N.
n
\\
1.1,q..
..9:;.:h m
=..
3.s m
b EsL**
~
cr
- .. ;f.,NTh j?f# c eNEdd, :1 ; 2.
- ' N' ( y f, '.NOll 5
I4 y f
- ...m g8 l
t f*
8 se / +
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f,*/
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a
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., r
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Nkishh,.r.c.N g$,,
' 6D. [.,
-w-
- Q.
.g
, gg+,rd Part 2,Section VI (Con tinued)
EXIIIBIT #1 (Continued)
/
/
BEAM 36' x
\\
Model 773 l
t FIGURE 1
- O BEAN 120'
~
{
O Model 773 l
FIGURE 2 1
O 1
Part 2,Section VI (Continued)
EXilIBIT ill (Continued)
Figure 3 iMiliiF%f#i# i siil I; !!il # ii!: !!i !iH !!!! IHI iii!!EE
!!! ! filii !ill!! !ii Ilfli fM 8
l!i!!P !!!ilii=ii M 'l lill l'! !!i: !!!! illi !Hi lli! $!i!!; iiini!!! ll !ill ll!!M!i 6
u i:*
H- * "N !!ri D "i i' hh O' i ilh!I W'i hi i Nf'W T Ji
!!- !ii! iiil IIIITliI t'ili !Iit iiihili OVii!! N:.
Ih!-fIEiII
-~
c a
- *=
.!!i fj!! liil E f lii!!@
t lie'!!: :liilih! !!!f i
'ittM #i:
a
]
W-iHEi!! i M @ M ? T $ M M d: T@d S-[ MN 4 tiiH= 54i1!L !!!! !!!! j!H !jjl }! !yi !!k@ !!!! iff i!!!!siMiffilill iT#EE
!!! E F 1 5 M G di !!I! ill! !Ill :!!L!!!!ii! !!!! [!II l!!!!MD!!!!!IliSWsE 3
4 i! !!
ini Di: $. ;
.. d. {' 'l? ! :- H:U ti II
...=-; =sm= s-i.
n!:
b:
Hi n'
'.r:i:i p? it ti!W i
3...
"-G*i-
- -:ana
- rf
.it. c
- o-
'i
- Hn 4E!-~
- lii N-Qp 8:1
'1
.n.
rm f.
t.
i n : E:
illi -
9 t
i:
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- : : :2: :a.
t i:
- lI i; ;!!' :' i
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- ! ;' p
. ni, m. g... y
!a-,=qin:-IE 4l:jd ! Il i,i; ii!!
! !!! !i.i li:.:~.
i f[isi{i-: i.;15ia Q
}
Sp;E t,l :lii!! 'Liidii L!ilid:i 311:Wd ut
- si==
150 100 80 60 40 20 Activity (rnCI)
Distance to 800rnR/hr isodose line as a Function of Activity Figure 4 "i E +W I W F a ii:1!
- li. :ih fi'i d
-!p di! ilii
'i" !!H 'i!fl!P i!!!!!!;; ililitili jiiiffiij NWIIiH# !!!! iin li1 l-I
- !!!! !!!l i!!! !!ii 1Milh iliiillii !ifI}ilt ii((fiff?
' :f!E=fi782M %! il!! 1l i :i 2
!i! iUl !!!! Illi :ili!il!: ii!!ilili lilLijfj {lM!Mi!
=*
ii!IiiE sii!SEM
~
l l ll 4ll!!i:llllil!! lill illl !!!!!lilij!!!illll lll@
e 12 filii #@
o
~
'h "O NM d Ml EU i" E"'"i e =.:
=
qi ip! !;;; M. ?
li! Hi! lin Uf lihki rt'lii lhiM :1! d:-4E.u?
- r:-- -
r.fi ji. d!! hj' llll D djj llji !}-}j ibi9l; j@}l }gl 4
,pyi.;-jg
-JF =, -P lp ll[
jfj gll i lll: ;p; 7 gy ijllpl! 'jylJyJ gy:jp g l}ji.:rg ii i.. : ;..:
i!-.iji [ !.!ll ]i.!.!!l..;ii; jyi ;p, K.
1'jy! gjyl,t iyy((jj j2_..ji..jlj i..
13
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- !U M '-
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- t o"
"+* "
- ~
l
'4" 12-i 6
6
- m do n, lig
.: oi.
.. ?
. l:
i L:
.!ii l!4 :i'.
- i
- j: Ni ;'! M:
V:r iJ 'd i... d' jili ii
- j i i
n n o r-u en
'.H i*
- !.fi! !!l! I -;*j "[
9: l'i' !i.
e: i i
J1ii
- P8 li!!
- l"E'N
- j j! *
?!i i !!:.
3Ir E!.:.: i~i
!! ils
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i h
<i:!
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- F: i ! :
'!i @ !!L !:d h
iil:"ii; t; i i
150 100 80 00 40 20 Activity (mCl)
Distance to ::mTJhr isadano fina as a Function of Activity i
Part 2,Section VII L
VII. Pocket Dosimeters - (Calibration)
A.
Dosimeters must be checked for accuracy to + 30% at I
least once per year.
i.
B.
Accuracy checks will be made using the 165 millicurie j
Cesium 137 Tech / Ops Model 773 Calibration Kit.
To check two points on each dosimeter 20 Mr and 180 Mr).
C.
Follow instructions in Exhibit #1, Page 33 (Figure 3) to determine distance for 800 Mr/Hr.
D.
After distance is determined for a reading of 800 Mr/Hr, claculate the time needed for 20 Mr and 180 Mr at same distance by using:
Mr Mr 2 where y
T T
y 2
Mr, Mr and T are all known and T is the unknown.
y 2
y 2
Example:
to find exposure time for 180 Mr:
1 800 Mr 180 Mr
=
60 Min T 2 800 T2 = 10,800 and T
= 13.5 minutes.
2 E.
After calculations, enter the following on " Pocket i
l Dosimeter Calibration" sheet:
l 1.
Date of calibration (accuracy check) 2.
Source size on calibration date 3.
Pocket Dosimeter serial numbers and reading at start (must be 0)
l t
Part 2,Section VII (Continued) i l
4.
Distance setting for check (distance is the same for both readings) 5.
Exposure times for 20 Mr and 180 Mr j
F.
Set up the 773 Calibration Kit as per instructions in Exhibit #1 of Section VI, Page(s) 29, 30, 32, & 33 i
as they apply to 800 Mr/Hr only (using none of th'e attenuators).
G.
Raise the source rod to expose dosimeters for 1.5 minutes to seek a reading of 20 Mr, then lower source rod.
i I
H.
Record readings of dosimeters on calibration sheet.
1 I.
Reposition dosimeters, raise source rod and expose j
l j
dosimeters for an additional 12 minutes (12' + 1.5' =
a 13.5' - the calculated exposure time for 180 Mr/Hr),
1 lower source rod and secure 773 calibration kit by locking.
J.
Record these dosimeter readings on calibration sheet.
i K.
Calculate the percent error for each recorded reading and record error in either column five (5) or nine (9).
Readings must be within i 30% of desired reading.
If
.a dosimeter has more than a i 30% error, it must be disposed of and replaced.
Enter calibration sheet in " Quarterly Functions" book.
i i
a e
VIII Leak Testing Proceduro A.
General Instructions 1.
Must be performed every six (6) months on all sealed sources:
(a)
No. 1 - 50 Cu-Co60 #428-8 stored in a Tech /
Ops #446 Projector.
(b)
No. 2 - 165 MilliCu (maximum) Cesium 137, source Model 877302 in a Tech / Ops Model 773 Calibration Kit.
IMPORTANT:
A separate leak test kit must f
be used for each source and identified to a specific source.
2.
Must be performed on shipping packages, whether empty or containing a Radioactive Source, prior to shipping.
Shipping packages include:
Model #488 Source Changer Model #771 Source Changer Model 773 Calibration Kit NOTE:
Packages cannot be shipped until Radioactive contamination results are received from l
Tech / Ops.
I 3.
Wipe tests (smears) will be performed by Radio-graphers who have been trained in this task as a part of Radiographers training.
.)
4.
Leak Test Kits (Model 518) are supplied by Technical Operations, Inc.
This service includes:
J (a)
Providing new test kits.
(b)
Testing and evaluating the submitted leak test swabs and reporting results to Tohn Deere Foundry...
Part 2,Section VIII (Contin [ued) s 5.
Rsdiation Protection Of ficer (s) will review test results for conformance to regulation which permit no more th'an.005 microcuries for Gamma Projecto.rs, and.001 microcuries for shipping packages.
If test results indicate non-conformance, r'efer to 'Sec tion II " Emergency Procedures" Page 6 of this manual.
6.
Radiation Protection Officer (s) will fil~e all i
i test results and retain as specified in Part 1,Section XI, II, 1& 2, Pas's 30 & 31.
B.
Specific Leak Test Instructions for No. 1 source (Co 60-50 Cu in T/O #446 Projector $
The following instructions are excerpted from " Technical Operations" instructions included in Leak Test Kits:
TECIINICAL OPERATIONS, INCORPORATED LEAK TEST KIT MODEL 518 l
INSTRUCTIONS FOR USE This kit is designed for use on Technical Operations Gamma Ray Projectors, It porvides a convenient and safe method of performing leak tests of radiographic sources in accordance with N.R.C.
Regulations, which require such tests at intervals of not more than 6 months.
CONTENTS Flexible swab holder with swab Vial of EDTA solution Plastic Envelope S j J
Port 2,Section VIII (Continund)
Mailing Box Identification Sheet 1.
De sure source is fully retracted into projector.
(Use a survey meter to be sure that radiation levels are normal).
2.
Remove source tube from face of shield or remove shipping plug.
3.
Wet the swab with EDTA ' solution.
Shake off excess and insert the swab into the hole in the shield.
Wipe the interior of the hole thoroughly by rotating swab holder.
4.
Withdraw swab and place in plastic envelope.
5.
The swab should now be monitored by turning the survey meter to its most sensitive range.
Place the meter in a low background area and move the swab in its plastic envelope to the meter, not the meter to the swab.
6.
If there is no indication on the meter, or if the indication is no more than 0.2 Mr per hour above background, put the plastic envelope with the swab in the mailing box and mail to Technical Operations, Incorpora ted, Burlington, Massachusetts.
Be sure to fill out and return the identification sheet.
7.
If the swab should show more than 0.2 Mr per hour, do not mail.
Contact Technical _ Operations, Inc.,
for specific instructions.
Part 2, S:ction VIII (Continund)
NOTE:
If the survey meter available does not have the capability of detecting as little as 0.2 MR per hour, ship the wipe-test swab to Technical Operations, Inc.,
via express.
Do not ship if the radiation from the swab exceeds 2 Mr per hour and contact Technical Operations, Inc., for specific instructions.
The wipe-test. swab will be subjected to a precise radio assay i
when received by Technical Operations, and a leak-test certificate will be mailed l
promptly.
l The NRC requires that this certificate be kept with your records and that it be available for inspection.
C.
Specific Instruction for No. 2 Source (165 Millicu (maximum) Cesium 137 in T/O 773 Calibration Kit).
Follow the proceeding procedures with the necessary exception regarding the area to be wiped:
See leak test instructions in Exhibit fl, Pages 30 & 31.
l D.
Specific Instructions for shipping packages:
- 488 and
- 771 source changer, and for 773 Calibration Kit.
1.
Wet the swab with EDTA solution and shake-off i
excess.
2.
Wipe the outside of the package thoroughly -
particularly around the enclosures, ports, Covers, etc.. - -.
Ptrt 2,Section VIII, (Continund) 3.
Follow the proceeding specific instructions regarding; monitoring, intensity limits and mailing to Tech / Ops.
IX.
TRANSPORTATION OF RADIOACTIVE MATERIAL a,
A.
Receiving 1.
Radioactive material required by John Deere i
Foundry will be ordered by Radiation Protection Officer and will be either of following:
4 (a) 50 Cu Cobalt 60 - Model 4428-8 capsule shipped in Tech / Ops source changer Model 488 or 771.
t l
(b) 150 Millicurie, Cesium 137 source contained i
In Tech / Ops Model 773 survey meter calibration l
Kit. (Maximum limit = 165 Millicuries) 4 1
2.
When radioactive material has been ordered, l
j the Radiation Protection Officer will notify receiving department by completing form (Exhibit Il Page 51) and sending form to receiving department.
1 NOTE:
This form spells out the specific responsi-bilities of the receiving department.-
3.
Receiving department must' notify Radiation'Protec-tion Officer (s) _or Radiographer (s) immediately upon receipt of radioactive material, and store'in safe area until surveyed and released by Radiation I-Protection Officer (s) or Radiographer.
NOTE:
A safe place is an area unoccupied by employees within 8' of package.
4.
Radiation Protection Officer ~or Radiographer.will monitor the package of radioactive materir' i n-
}
receiving department.
l y
~ +-
.-y y
y,--
3 e-
Part 2,Section IX (Continued)
(a)
Monitoring must be done within 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> of receipt, or within 18 hours2.083333e-4 days <br />0.005 hours <br />2.97619e-5 weeks <br />6.849e-6 months <br /> if received after normal working hours.
(Normal hours -
07:00 to 15:50)
(b)
Radiation Level Limits:
(1) 200 Mr/llr on external surface (2) 10 Mr/llr at 3' from external surface (c)
If radiation levels do not exceed limits, receiving department will deliver package to exposure room.
(d)
If radiation levels exceed limits, Radiation Protection Officer must immediately notify the " Director of Region III N.R.C." by telephone, and telegraph, mailogram or facsimile; and the final delivering carrier; and direct receiving _ department to deliver package to exposure room immediately.
Proceed per instructions from N.R.C.
(e)
Results of survey will be entered on receiver, dated and signed by Radiographer or Radiation Protection Officer and a copy of receiver i
placed in Radiation Protection Officer's files.
I B.
Shipp_ing There exists four various shipping categories for
.Tohn Leere Foundry:
Category No. 1. Shipping a Co 60 Source (Approximate i
Part 2,Section IX (Continued) activity-25 Cu) in either Tech /Op #488 or Tech /Op 8771 source changer.
Category No. 2 Shipping a Cesium 137 (Activity -
approximately 70 Millicu) in a Tech /
Op #773 meter calibration kit Category No.
3.
Shipping an empty Tech /Op Model 488 lead shielded container.
Category No. 4. Shipping an empty Tech /Op Model 771 containing depleted uranium for shielding.
Category No. 1 and No. 2 (Model #488 or 5771 containing Cobalt 60 source and a #773 kit containing Cesium 137.
1.
Insure that source is secured in the proper shielded storage position in the shipping container and that shipping container is properly closed and secured.
NOTE:
T/O Model 773 does not require any additional shipping container.
2.
Attach a lead security seal and wire to the shipping container closure and secure seal with a John Deere Identification stamp, aucvoy tne snipping'co..
inec t.u cne
.,u. tao.
- u..u au s.
three feet from the surface and determine the proper radioactive shipping labels using the criteria of Table.II, 1.
l (49 CFR 172.403) and partially reproduced below.,
Part 2,Section IX (Continued)
EURFACE 3 FEET Does not exceed 0.5 Radioactive - White I None More than 0.5 Mr/Hr Does not Radioactive - Yellow II and does not exceed exceed 50 Mr/Hr 1.0 Mr/Hr More than 50 Mr/Hr Does not Radioactive - Yellow III and does not exceed exceed 200 Mr/Hr 10 Mr/Hr 4.
Properly complete two shipping labels with the following information: (Example: Radioactive -
White I, Radioactive - Yellow II or Radioactive -
Yellow III).
(a)
Radioisotope Cobalt 60 (b)
Number of curies as determined by age on the decay chart.
(c)
Transport index, which is the maximum radiation level measured at 3' from surface.
5.
Remove any old shipping labels and apply two properly ecmpleted labels to opposite twc ailes c~
-hip-ing container.
6.
Mark outside of shipping package with proper shipping name - Radioactive Material, spccial form, n.o.s.,
NA 9182 if not already marked.
. i
Part 2,Section IX (Continued) 7.
Perform a radioactive contamination wipe test on a
the surface of shipping package, and then follow steps 5, 6,
& 7 in Part 2,Section VIII (page 38) of radiography manual prior to mailing.
l (a)
Wipe test swab to be mailed immediately to
" Technical Operations": for testing.
(b)
Shipping container is to remain secured in exposure room until test results are received from Tech / Ops.
8.
Upon receipt of leak test results from Tech / Ops proceed as.follows:
(a)
If results of wipe test exceed.001 micro curies /100 Sq. Cm, contact Tech / Ops immediately for instructions - Do Not Ship Package..
(b)
If results of wipe test do not exceed 001 4
microcuries/100 Sq. Cm. proceed with shipping.
NOTE:
Leak test results will be retained in file.
Although not' required by N.~R.C.,
4 i
should be retained as proof that test was made prior-to shipment.
9.
Submit a Purchase Requisition to purchasing department to cover package to be shipped, must include the i
following specific information:
(a)' Proper shipping name:
Radioactive Material special form, n.o.s.,
NA9182 2
(b)
Name of radionuclide:
Cobalt-60 for Categouy #1 Cesium-137 for Category #2 (c)
Physical form: -Special form -
Part 2,Section IX (Continued)
(d)
Activity of source (in curies or milli-curies)
(e)
Category of label:
(Example - Yellow II or Yellor III)
(f)
Transport Index:
(Actual measured radiation in Mr/llr at 3' from surface)
(g)
Container Transport Status For the #773 Kit - Dot specification 7A For the #488 source changer - Dot speci-fication 55 For the #771 source changer - Type B USNRC Certificate of Compliance No. USA /9107/B.
(h)
Shipper's Certification.
This is to certify that the above named materials are properly classified, described, packaged, marked and 4
labeled and are in proper condition for trans-port according to the applicabel regulations of the Department of Transportation.
Signed:
Radiation Protection Officer Date:
10.
Deliver prepared package and copy of " Receiving Department Shipping Instructions (Exhibit #2, Page 52 ) to Receiving for shipment.
Category No. 3:
Empty lead shielded container - Model 488 Sourc2 Changer.
1 ins"re th'.t the container does not ce"*? #-
i radioactive source.
1 Part 2,Section IX (Continued) 1 2.
Insure that package is properly closed including a security seal on the enclosure stamped with "JD" i
identifications.
3.
Survey the external surface of the package to i
insure that the radiation levels do not exceed I
0.5 Mr/Hr.
1 4.
Remove any old shipping labels from package and l
attach two " Empty" labels to opposite sides of I
package.
5.
Perform a radioactive contamination wipe test on j
the surface of package.
1
]
Check wipe with survey meter prior to mailing.
4 (a)
Wipe test swab to be mailed immediately to Tech / Ops for testing.
(b)
Shipping container is to remain secured in exposure room until test results are received from Tech / Ops.
i i
6.
Upon receipt of leak test results from Tech / Ops
{
proceed as follows:
(a)
If results of wipe test exceed.001 micro-i curies /100 Sq.
Cm.,
contact Tech / Ops imme-diately for instructions - Do Not Ship Package.
(b)
If results of wipe test do not exceed.001
^
microcuries/100 Sq.
Cm.,
proceed with shipping.
-7.
Submit a Purchase Order Requisition to Purchasing Department stating "This is an Emot.v Tech / Ops Model 488 shipping container - a Dot 55 specification Package.
_47_
1
. ~
Part 2,Section IX (Continued) 8.
Deliver package to Receiving Department for shipment.
Category No. 4:
Empty depleted uranium shielded container -
Model 771 source changer.
1.
Insure that the container does not contain a radio-active source.
2.
Insure that package is properly closed including a security seal on the enclosure stamped with "JD" identifications.
3.
Perform a radioactive contamination wipe test on the surface of package.
Check wipe with survey meter prior to mailing.
(a)
Wipe test swab to be mailed immediately to Tech / Ops for testing.
(b)
Shipping container is to remain secured in exposure room until test resuits are received from Tech / Ops.
4.
Upon receipt of leak test results from Tech / Ops proceed as follows:
(a)
If results of wipe test exceed.001 micro-curies /100 Sq.
Cm.,
contact Tech / Ops immedi-ately for instructions - Do Not Ship Package.
(b)
If results of wipe test do not exceed.001 microcuries/100 Sq.
Cm.,
proceed with shipping.
Part 2,Section IX (Continued) 5.
Survey the package at the surface and at 3' from surface to determine the proper radioactive shipping labels to be attached to package.
(a)
If the surface radiation level is less than O.5 Mr/Hr and no measurable radiation level at three feet from the surface, NO label is required.
Mark the outside of the package with " Radioactive Device, n.o.s.,
Identi-ficati6n No. Un 2911 and the statement:
" Exempt from specification packaging, marking, and labeling, and exempt from the provisions of 49 CFR 173.393 per 49 CFR 173.391 (c).
Exempt from the requirements of 49 CFR Part 175 per 49 CFR 175.10 (a) i (6). "
(1)
Submit a Purchase Order Requisition to Purchasing Department which must include the following information:
Instructions to Receiving Department:
All information listed below must be on
+
the shipping papers.
Proper shipping name:
Radioactive Device n.o.s., UN2911 Name of Radionuclide:
Depleted uranium Physical form:
Solid metal Activity:
.15 Millicuries /lb.
" Exempt from specification packaging, marking, labeling, and exempt from the provisions of CPR 173.393 per 49 CFR 173.391 (c).
Exempt from the require-ments of 49 CFR Part 175 per 49 CFR 175.10 (a)
(6)." -
Part 2,Section IX (Continued)
Shipper's Certification:
This is to certify that the above named materials are properly classified, described, packaged, marked and labeled and are in l
proper condition for transport according to the applicable regulations of the Department of Transportation.
Signed:
Radiation Protection Officer Date: __
(b)
If the surface radiation level exceeds 0.5 Mr/Hr, or there is any measurable radiation level at 3 feet from the surface, use the criteria of Table II.1 (49 CPR 172.403) and reproduced on Page of this section.
(1)
Submit a Purchase Order Requisition-to Purchasing Department which must include the following information:
Proper shipping name:
Radioactive Material
- LSA, n.o.s.,
UN2912 Name of-radiouclide:
Depleted uranium Physical form:
Solid metal Activity:
.15 millicuries /lb.
Category of Label Transport index (actual measured radiation at 3' from surface in Mr/Hr)
USNRC Identification Number: USNRC USA /9107/B Deliver prepared package and copy of " Receiving Department Shipping Instructions (Exhibit #2, Page 52 ) to Receiving-for shipment. -
Page 2,Section IX (Continued)
Exhibit #1 RECF.IVING DEPARTHENT INSTRUCTIONS FOR Tile RECEIVING AND llANDI.ING OF PACKAGES CONTAINING RADIDACTIVE HATERI Al.
The following radioactive material have been ordered (Ent. date of delivery).
and should be delivered on Receiving Department must notify one of the following immediately upon receipt of 1.
above material Craig Demry. Radiation Protection Officer Ext. 2-6788 or 799-3039 J1m Power. Radtographer Ext. 2-2597 or 496-2440 2.
Package should be placed in an area which in not occupied within 8' of package.
3.
Receiving Department notes on receiver date and time and name of above person notified.
4.
One of the two (2) persons listed in item one (1) muet survey the package within 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> of receipt. or within 18 honrn if received after 1550. The results, time and date of nurvey will be noted on the receiver, and signed by the Radiographer or Radiation Protection Officer conducting the survey.
5.
Receiving Departrient provides copy of receiver to person (s) making radiation survey of package.
6.
Receiving Department will deliver package to exposure room immediately upon release by Radiation Protection Officer or Radiographer.
A COPY OF THESE INSTRUCTIONS TO BE POSTED IN RECEIVING DEPARTHENT - in addition.
Receiving Department will receive a copy of this instruction sheet prior to receipt of package containing RADIDACTIVE MATERIAL.
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RADIATION PROTECTION OFFICER 4
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5/21/86 t
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i Page 2,Section IX (Continued) 4 Exhibit #2 i
RECEIVING DEPARTHENT INSTRUCTIONS FOR Tile SitIPPINC OF PACKACES CONTAINING RADIDACTIVE MATERIAL.
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Upon receipt of " Exterior Shipping Order" nntify one of the following from Radiography to make arrangements for delivery of package to receiving:
Craig Demry, Radiation Protection Officer Ext. 2-6788 t
I Jim Power, Radicarapher Ext. 2-2597 I
2.
Prepare necessary shipping papers.
lHPORTANT:
All specific information noted on E.S.O. must be included on shipping pnpers - and signature of a " Radiation Protection Officer" must be included.
3.
Store the package in an area unoccupied within 8' of package untti loaded on carrier's truck.
NOTE: This package in completely safe for Receiving Department to handle with a forklift.
4.
Provide a copy of shipping papers to Radiography for filing.
PLEASE POST IN RECEIVING DEPARTMFNT - in addition you will be sent a copy of these instructions prior to shipping.
RADIATION PROTECTION FICER 5/21/86 3
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UNITED STATES 8'
hi NUCLEAR REGULATORY COMMISSION
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WASHINGTON, D. C. 20555
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NU I O John Deere Foundry ATTP t'r. J. Hartman East !1oline, IL 61244 Gentlemen:
Your Quality Assurance Program Approval for Radioactive l'aterial Packages No.0443 expires on June 30, 1986.
If you are an NRC licensee and conduct activities under the General Licenses of Subpart C of 10 CFR Part 71 or an Agreement State licensee subject to the requirements of 10 CFR Part 71, as required by 10 CFR Part 150.20, a quality assurance program approved by the Commission as satisfying the provisions of Subpart H of 10 CFR Part 71 is required.
You should request renewal of your Quality Assurance (QA) program at least 30 days prior to the expiration date. This will provide for continuation of your 0A program to satisfy part of the provisions of Subpart C of 10 CFR Part 71 until a final determination has been taken on your application.
Unless an exenption is provided by 10 CFR Part 170.11, an application fee of $150.00, as required by 10 CFR Part 170.31, should be included with your request for renewal. This notice of expiration should not be construed that such notice will be provided in the future.
If you do not desire to renew your 0A program, please let me know.
Sincerely, he 3
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Charles E. MacDonald, Chief Transportation Certification Branch Division of Fuel Cycle and liaterial Safety, NfiSS Wlfflb0Y$
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MAIL WITH REMITTANCE' ~
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