ML20245D616
| ML20245D616 | |
| Person / Time | |
|---|---|
| Site: | 07100159 |
| Issue date: | 02/28/1989 |
| From: | LOCKHEED MISSILES & SPACE CO., INC. |
| To: | |
| Shared Package | |
| ML20245D606 | List: |
| References | |
| NUDOCS 8905010075 | |
| Download: ML20245D616 (72) | |
Text
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.. o QUALITY ASSURANCE PROGRAM FOR PACKAGING-UTILIZED IN TRANSPORTING RADIOACTIVE MATERIAL n
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l INTRODUCTION PURPOSE This document is prepared pursuant to Code of Federal Regulations, Title 1C, Part 71 entitled, " Packaging of Radioactive Material" which requires the establishment of a quality assurance program to be applied to the testing, maintenance, repair, modification, and use of certain types of packaging for radioactive material.
It is prepared in accordance with the guidelines provided in Regulatory Guide No 7.10, Annex 3,
" Quality Assurance programs Applicable to Procurement, Use, Maintenance, and Repair of Packages Designed to Transport Radiographic Exposure Devices".
The end result of the activities discussed in this plan is assurance to LMSC that:
o Satisfactory performance of packaging design has been demonstrated by successful performance of appropriate tests whose results are accurately documented.
o Handling, storage and use of packaging is performed in a manner which maintains the intended use and integrity of the package.
o Preclude any circumstances that might lead to personnel being exposed to the contents of the package.
GENERAL This quality assurance program is being be submitted to the Nuclear Regulatory Commission as an amendment to Lockheed Missiles and Space Company's previously approved proposal Number 0159.
The Quality Assurance Program that we are now propasing applies to the testing, maintenance, and use of packaging for sealed source radiographic exposure devices.
The program will be implemented as part of the daily, quarterly, semiannual, and annual audit programs that are required for users of radiographic exposure devices.
The LMSC Radiation Control Program will be responsible for the implementation of this Quality Assurance Program.
APPLICABILITY This quality assurance program applies to the use of Tech / ops sealed source radiographic exposure device, Model No. 865, as designated on the Nuclear Regulatory Commission Certificate of Compliance No. 9187 (attachment A).
The device is used by LMSC personnel pursuant to State of California Radioactive Materials License No. 0169-43.
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.s APPLICABLE DOCUMENTS The following documents apply to this program:
.1.
TITLE 49 CFR PARTS 100-199 Department of Transportation's Hazardous Materials Regulations..
- 2. TITLE 10 CFR 71 Nuclear Regulatory Commission's regulations entitled,
" Packaging of Radioactive Materials for Transport and Transportation of Radioactive-Material Under Certain conditions"
- 3. TITLE 39 cr 123 U.S.
Post;n Service Regulations for transport of Radioactive Matter, published in U.S.
Postal Service Publication #6, December, 1975, and in the U.S. Postal Manual.
4.
CALIFORNIA CODE OF REGULATIONS TITLE 17 California's Radiation Control Regulations, Subchapter 4.
QUALITY ASSURANCE PROGRAM Lockheed Missiles and Space company, Inc., has established operating, emergency, and maintenance procedures which will also serve as a Quality Assurance Program for the use of a Tech / Ops Model 865 sealed source field radiography. gamma camera.
This includes establishing programs, written procedures, auditing organizations using those procedures, with authority to stop all operations not complying with required procedures.
Responsibility and authority are defined in LMSC directives, procedures, and function and responsibility statements.
See attachment B for applicable company organization chart.
The Radiation Control Officer has submitted to the State of California, Department of Health Services, Radiologic Health Section,
. an application for the possession and use of a Tech / Ops Model 865 sealed source field radiography gamma camera.
The application establishes responsibility and authority for the use of the device, procedures for packaging and shipping, maintenance procedures, and frequency of audits and retraining.
Key program personnel are defined below:
- 1. Radiation Control Officer (RCO) - Individual responsible for the overall operation of the Radiation Control Program.
He reports directly to the Department Manager, Occupational Safety and Health Organization.
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2.
Alternate RCO - An individual with extensive experience and training in radiation safety who performs as RCO in the absence of the RCO. 'The job includes training for all levels of radiation safety certification and the individual mus* be certified by the RCO and approved by the State.
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3.
Radiographer - An individual who performs radiography or is in attendance at the radiography site to directly supervisc radiographic operations.
The Radiographer is personally responsible for assuring the job is performed in accordance with the Operating and Emergency Procedures.
In case of an emergency or accident, he/she shall report the details of the situation to the RCO.
4.
Assistant Radiographer - An individual who uses radiographic exposure devices, sealed sources, survey instruments' and related equipment while'under the direct supervision of the Radiographer.
The Radiographer may not delegate his responsibility to the Assistant Radiographer.
Any person who assists the Radiographer by manipulating radiographic exposure devices, sealed sources, survey instruments and related equipment is acting as an Assistant Radiographer and must be certified to that level by the RCO.
OPERATING, EMERGENCY, AND MAINTENANCE PROCEDURES The operating, emergency, and maintenance procedures to be used by LMSClfor,the Tech / Ops model 865 gamma camera are included as part of
'this amendment application as attachment C.
-They include specific information on handling, storage, shipment, inspections, tests records, and audit frequencies.
Specific parts pertaining to quality assurance of the packaging are detailed below.
MAINTENANCE AND INSPECTION The Tech / Ops Model 865 gamma camera, manufactured by Amersham is a Type B(U) package containing 100 curies of iridium-192.
When in use, the device is inspected on a daily basis by the radiographer, completing Form RCP 2802, " Physical Inspection of Radiographic Device" (attachment D)
The radiographer may correct any minor deficiencies discovered as a result of the inspection except when abnormal radiation levels are involved Major deficiencies will be considered an emergency and be reported to the RCO immediately.
Source exchange and major deficiency correction will be performed by the manufacturer.
Units that show abnormal radiation levels shall be immediately removed from service and reported to the RCO.
Special inspections of the device will be conducted whenever equipment has been subjected to severe stress such as dropping or submersion in water.
The report form shall be identified "Special Inspection" and will describe the abnormal situation The package will be I
physically inspected by the RCO or Alternate RCO on a quarterly l
basis.
The radiographer will inspect the unit quarterly and complete Form RCP 2803 " Quarterly Inspection of Iridium 192 Radiographic Exposure Device" (attachment E).
Procedures and frequencies of inspections are contained in the Operating, Emergency and Maintenance Procedures section of the instructions manual provided to each radiography team.
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HANDLING, STORAGE, AND SHIPMENT J
Handling and storage of the device is rigorously controlled for the
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purposes of radiation safety and the strict compliance to all l
regulations.
Radiation surveys of the package must be performed when it is first received.
The unit is stored in a locked safe when not l
in use.
When in the field, the camera will be stored in a locked
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company vehicle which will be used for transport.
The vehicle is to 1
be parked in a well lighted place in a low traffic area.
Specific procedures for shipping transporting and shipping the device are given in Section 15 of the Operating Procedures.
They include information on survey requirements, shipping documents, package labeling, and placarding.
DOCUMENT CONTROL All procedures, instructions, and forms are issued and maintained by the RCO, and will be reviewed on a quarterly basis.
Any changes to the documents will be approved by the RCO prior to implementation.
All documentation shall be kept pursuant to the requirements of 10 CFR Part 71.
AUDITS Audits of the Radiographer will be performed on a quarterly basis by the RCO or Alternate RCO.
The equipment will be inspected, and all records of previous shipments, inspections and radiography operations that have beta performed since the last audit will be reviewed with the radiography team.
Corrective Action reports will be issued for any discrepancies discovered.
See attachments F and G for audit and.
corrective action forms.
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M1 DEC 23 Iggs '
7 8 9:10:11:12:1:2 3 4,gh SGTB:CEW DISTRIBilTION:
.71 9187 NRC F/C NRC PDR.
l Sil0 Regions (5)
Amersham Corporation ~
AGrella GJackson ATTN: Ms. Cathleen Roughan CWilliams RChappell 40 North Avenue SGTB.r/f NMSS r/f j
Burlington, MA 01803 ERichardso 1
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Dear Ms. Roughan:
As requested by your application dated November 8, 1988, enclosed is Certificate
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of Compliance No. 9187,, Revision No. 1, for the Model No. 865 packaging.
This certificate supersedes, in its entirety, Certificate of Compliance No. 9187, Revision No. O, dated March 23, 1984.
Changes made to the enclosed certificate are indicated by vertical lines-in the margin.
Those on the. attached list have been registered as users of these packages under the general license provisions of 10 CFR 571.12 or 49 CFR 5173.471.
'This approval constitutes authority to use this package for shipment of radio-active material and for the package to be shipped in accordance with the provi-sions of 49 CFR 5173.471.
Sincerely, Charles E. MacDonald, Chief Transportation Branch Division of Safeguards and Transportation, HMSS
Enclosures:
1.
Certificate of Compliance flo. 9187, Rev. I 2,
Approval Record cc w/encls:
Mr. Michael E. Wangler Department of Transportation hl0 $
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- DATE: /7/fl/88
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U.S. NUCLEAR REGULATORY COMMISSfoN h
CERTIFICATE OF COMPLIANCE
'.*NHC FORM sie FOR RADIOACTIVE MATERIA 1.S PACKAGES f;
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- c. PACKAGE IDEN11f ICAllON NUMDER d PAGE e4 UMBER
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- a. T hes certificate 6s issued to ca ttif y that the paickaging and contents def.cribed in item 5 tielow, meets the applicable
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of Federal Regulations, Part 71," Packaging and Transportation of Radioactwo Material?
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- b. This certshcate does not relieve the consignor from compliance with any requirement of the regulations of tl.e U S. De f) apphcable regulatory agencies, including the government of any country through or into wh#ch the package will be transported, i
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- 3. THIS LERilfICATE IS ISSUED ON THE BASIS OF A SAFETY ANALYSIS REPOrli OF THE PACKAGE DESIG 8
- e. ISSUID TO M.me smr A#ess/
t k Amersham Corporation Tech / Ops application dated December 27, 1983 3
l 40 North Avenue as supplemented.
ji Burlington, MA 01803 i
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I This certshcate is conditional upon fulfilling tlie requirernents of to CFR Part 7 3, as appHcable, and the conditions specif;ed below.
- 4. CONO11lONS 5.
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(a) Packaging
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(1) Model No.: '865l.3
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A steel encased, uranium shielded radiographic exposure device 5"00 x 12.25" long. The device is provided with 0.88" OD x 9.25" long handle
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and two 1.38", x 5.5" long triangular shaped legs.' Primary components 1
consist of an outer steel shell, internal bracing, depleted uranium shield, and a source tube.
The contents are securely positioned in the source tube by a source holder assembly and acutuator and locking
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assembly. Tamper-proof seals are provided on the packaging and a h
0.12-inch thick steel outer cover is bolted over the source actuator and p
locking assembly for; additional protection during(transport.
The total weightofthepackageisapproximately59 pounds.V
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The packaging is constructed in accordance with the following Tech / Ops Drawing Nos.:
86590, Sheets 1 thr,ough 5, Rev. 1; 86591, Rev. 1; and e
86500-10. Rev. O.
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Page 2 - Certificate fio. 9187 - Revision No. 1 - Docket No. 71-9187 5.
(b) Contents (1) Type and form of material p
Y Iridium 192 as sealed source must meet the requirements of special form W/
radioactive material.
ii (2) Maximum quantity of material per package 240 curies.
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6 In addition to the requirements of Subpart G of 10 CFR Part 71:
10.
(a) Each packaging must meet the Acceptance Tests and Maintenance Program, I
Section 8., of the application.
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< t (b) The package shall be prepared for shipment and operated in accordance with the Operating Procedures Section 7. of the application.
- 7.
The package authorized by this certificate is hereby approved.for use under the general license provisions of 10 CFR 971.12.
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Expiration date:
December 31, 1993.
1 REFEREllCES L Tech / Ops application dated Decenter 27, 1983.
FJ 14 Supplement dated: March 15, 1984.
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FOR THE U.S. Il0 CLEAR REGULAT'9Y COMMISSION 10 in id.)
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Charles
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DEC 2 3 ;ggg and Transportation,11 MSS y
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Transportation Branch Approval Record R40 del No. B T DocTet No. 71-9187 Revision No. 1 By application dated November 8, 1988, Amersham Corporation requested renewal of Certificate of Compliance No. 9187.
Amersham Corporation acquired the Model No.
865 packaging as a result of their acquisition of Tech / Ops. Inc.
Amersham
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Nrporation will be responsible for the maintenance of the certificate, safety analysis report for the package design, and the quality assurance records in accordance with 10 CFR 571.91(c).
Amersham Corporation has been previously issued
. Quality Assurance Program Approval for Radioactive Material. Packages No. 0040 under Subpart H-of 10 CFR Part 71.
The Certificate of Compliance has been conditioned to require the packaging to be acceptance tested, maintained, and operated in accordance with Sections 7. and 8.
of the Technical Operations, Inc. application.
The. certificate of compliance has been renewed for a five year term which expires December 31, 1993.
ht<a u-Charles E. ItacDonald, Chief Transportation Branch Division of Safeguards and Transportation, NMSS DEC 2 3 sp 4
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.f-ATTACHMENT C Radiation Control Program IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 1.
INTRODUCTION The Operating Procedures are your guide to safe operation when working with radioactive sources.
Have an Operating and Emergency Procedures manual available whenever you are using a source of radiation.
The Operating and Emergency Procedures manual includes detailed instructions on performing your job in a safe manner, the rules you must follow in your work and useful bits of reference information.
1.1 Scope of Your Authority State law specifies the tasks a person is allowed to perform while working with radioactive sources.
The complexity of taska allowed are based on the radiation safety training and experience of the individual.
The levels of training and experience, as used by LMSC, are identified as Assistant Radiographer, Radiographer, Alternate Radiation Control Officer, and Radiation Control Officer (RCO).
I 1.1.1 Assistant Radicarapher'- An individual who uses radiographic exposure devices, sealed sources, survey instruments and related equipment while under the direct supervision of a Radiographer.
The Radiographer may not delegate his responsibility to the Assistant Radiographer.
Any person who assists the Radiographer by manipulating radiographic exposure devices, sealed sources, survey instruments and related equipment is acting as an Assistant Radiographer and must have been certified to that level by the RCO.
1.1. 2 Radicarapher - An individual who performs radiography or is in attendance at the radiographic site to directly supervise radiographic operations.
The Radiographer is peraonally responsible for assuring the job is performed in accordance with the safety requirements of the Operating and Emergency Procedures.
In case of an emergency or accident, he/she shall report the details of this situation to the RCO.
1.1. 3 The Alternate RCO is an individual with extensive experience and training in radiation safety who performs as RCO in the absence of the RCO. The job includes training for all levels of radiation safety certification and the individual must be certified by the RCO and approved by the State.
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Radiation Control Program IRIDIUM 192 AND YTTERBlUM 109 i
1 Operating Procedures 1.1.4 Radiation control Officer - is responsible for the overall operation of the radiation control program.
He reports directly to the Department Manager, Occupational Safety &
Health Organization.
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2.
PERSONNEL MONITORING Your personal safety depends on the use of radiation monitoring devicea.
Before working with a radioactive source, you must haves a.
Current Radiation Safety Certification b.
Operating and Emergency Procedures Manual 3
c.
Direct Reading Dosimeter d.
Film Badge e.
Survey Heter 2.1 Direct Readina Dosimeter - The dosimeter measures total accumulated exposure from 0-200 mR.
It can show you when your accumulated exposure is abnormally high.
Prior to each shift, zero your dosimeter using the Dosimeter Charger.
Record this reading on Form LHSC Field Radiography (Figure 1).
Check your dosimeter frequently to assure you are operating in a safe manner.
Whenever the reading is above 50 mR, record it on Form LHSC Field Radiography 2001D (Figure 1) and recharge the dosimeter.
A saturated (off scale) reading means danger - stop work immediately and contact the RCO.
If your dosimeter is lost, stop ><ork immediately and contact the RCO for a replacement.
DO HUT work without your dosimeter.
- 2. 2 Film Badae - Your monthly film badge is the most accurate record of your. total radiation dose.
Wear it on your belt or pants vaist band.
Do not let anyone else wear your badge.
The badge will be processed by a qualified Radiation Donimetry service and the dose data reviewed by the RCO.
The data shall includes 2.2.1 Frequency of processing.
2.2.2 Starting date of badge use and processing data.
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2.2.3 Reporting date.
2.2.4 Individual's name, social security number, and date of birth.
2.2.5 Current doce (millirems).
2.2.6 Cumulative dose (millirems).
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Madiation Control Program IRIDIUM 192 AND YTTERBlUM 109 Operating Procedures a
The badge is to be stored during non-working hours in a designated location.
Do not stora your film badge in an area where accidental exposure could occur.
If your badge is lost - stop work immediately and ask the RCO for a replacement.
- 2. 3 Dose Level Limits 2.3.1 An individual, 18 years of age or over, may receive a dose to the whole body of 1.25 rems per calendar quarter.
2.3.2 Individuals may receive a dose to the whule body of only 1.250 rems per calendar quarter except under supervised emergency circumstances.
2.3.3 Individuals who receive a dose in excess of 1.250 rems per calendar quarter, when applicable, will be notified of the amount of the exposure in writing by the RCO, who will require the individual to submit a written explanation of the circumstances of the over exposure.
- 2. 4 Survey Meter - The survey meter measures the radiation levels from radiation sources.
Use this meter to Establish the isodose lines (perimeters).
a.
b.
Assure source is in full retracted (safe) position after each exposure and when it is placed into storage or removed from storage.
Predict the accumulated dose for several exposures.
Check the c.
survey meter each shift for normal functioning and current calibration date.
Calibration is required each 90 days.
If functioning is abnormal or the date has expired, do not use the meter - contact the RCO.
- 2. 5 Use the Monitoring Equipment - Film badges and dosimeters shall be used by anyone over 18 years of age who works with an exposure device.
A survey meter shall be used every time a person enters a
" Radiation Area" or is required to work around a Radioactive Material storage container or exposure device.
Persons under the age of 18 are excluded from the above discussion because they are not authorized to work with or around field radiography operations and equipment.
i Radiation Control Program IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 3.
GETTING THE SOURCES TO THE WORK SITE 3.1 Removal from Storage - Survey all surfaces of the Radioactive Material storage container for abnormal radiation levels using the survey meter.
Radiation levels of a storage container shall not exceed 2 mR per hour at contact.
Unlock and open the container.
Survey the exposure device for abnormal radiation levels before removing it from the container.
Remove the exposure device and position the survey meter against the device on both sides.
The reading should be normal for the curies of source contained.
NOTE:
No exposure device shall have a reading in excess of 200 mR/hr on the exterior surface.
If no reading occurs on the survey meter or the readings exceed the normal value, return the exposure device to storage and contact the RCO.
Do not work without a survey meter.
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- 3. 2 Daily Equipment Inspection - The daily inspection of the exposure device is for your safety.
Equipment which is maintained in good working order seldom causes an emergency situation.
Perform the daily inspection of the exposure device by following the instructions and completing the Physical Inspection of Exposure Device, RCP 2802 for Iridium and RCP 2802A for Ytterbium.
- 3. 3 Carrying the Exposure Device - The total time an exposure device is hand-carried should be kept to a minimum.
Remember, the radiation level on the exposure device surface may be as high as 200 mR/hr.
During hand-carrying, your legs or reproductive organs may be exposed to this field.
A good practice is to use a hand truck or cart whenever you are doing a lot of transporting with the Iridium8 source.
Carry the Ytterbium source in the Radiographic Test Ki t."
Refer to Illustration 1.
- 3. 4 Tongs - 9 3' long pair of tongs shall be carried to each work site for use in any type of emergency situation.
4.
CONTROLLING THE AREA 4.1 Responsibility of the Radiographer - The Radiographer is responsible for establishing the controlled " Radiation" and "High Radiation"
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areas, and assuring unauthorized personnel are not allowed to enter the area.
The Assistant Radiographer may perform these duties only under the direct supervision of the Radiographer.
Radiation Control Program IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures
- 4. 2 Preliminary Control - Prior to setting up the exposure device, the Radiographer will establish preliminary controls by conspicuously posting an area that will prevent anyone at the perimeter of these areas from receiving an exposure in excess of 2 mR in any one hour.
The approximate perimeters of the radiographic area shall be established and posted with " Caution -- Radiation Area' signs by referring to the Radiation Intensities and Distance Charts.
Refer to Figure 2 for Irridium 192 and Illustration 1A for Ytterbium 169.
The approximate perimeter of the High Radiation Area (100 mR/hr or more), will be calculated from the Radiation Intensities and Distance Charts mentioned above.
Conspicuous posting of this area vill be accomplished by usinp, " Caution -- High Radiation Area" signs.
" Caution -- High Radiation Area" signs may not be used on the perimeters of the " Radiation Area."
These areas are defined in section 22 of this procedure.
The signs shall be the conventional magenta and yellow colors used to indicate radiation areas.
Refer to Figures 3 and 4.
5.
PRINCIPLES OF OPERATION UTILIZING MODEL 865 RADIOGRAPHIC EXPOSURE DEVICE 5.1 The source holder assembly, which contains the radioactive source capsule, is positioned such that the source capsule is located in the shielded storage position of the exposure device.
The source assembly is attached to the piston in the actuating cylinder.
When the cylinder is pressurized, the piston moves the source from its shielded storage position to the beam port.
In this exposing position, the emergent beam is 60* wide and 30* high.
The radiation intensity in all directions outside the primary beam is reduced by a factor of 10,000 by the built in beam limiter..The radioactive source assembly never leaves the exposure device during normal operation.
- 5. 2 When the air pressure is reduced on the exposing side of the piston, a spring causes the source assembly to move to the shielded position.
An additional optional air line is available to pressurize the storing side of the piston to assist the spring return.
This additional air line is mandatory for underwater habitat applications.
6.
SAFETY PRECAUTIONS IRIDIUM 192 - YTTERDIUM 169 6.1 These systems may be operated only by a qualified radiographer and/or his assistant.
The radiographer must be physically present and in direct surveillance of the controlled area at all times when the exposure device is being used.
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Radiation Control Program IRlDIUM 192 AND YTTERBlUM 169 Operating Procedures
- 6. 2 Since the sources emits high levels of radiation, it is mandatory to operate the systems from as great a distance as practicable and, if
- possible, from behind a radiation shield such as a heavy steel or concrete object or the corner of a building.
- 6. 3 Radiography must only be performed in a Restricted Area which is marked with the appropriate radiation. signs, and secured against unauthorized entrance, While assembling the system, it is important to keep the exposure device locked at all times except when cperating.
The radiographer and radiographer's assistant must at all times have a pocket dosimeter, either a film badge or TLD, and a survey meter capable of measuring from 1 mR/hr to at least 1000 mR/hr.
7.
ASSENBLY IRIDIUM 192 7.1 Remove the outer protective cover by removing four 6mm bolts.
- 7. 2 Position and sacure exposure device at the radiographic foca'l position.
Note that the radiographic focal position is along the axis of the exposure device and is 135mm (5.25 in) from the base.
- 7. 3 Determine where the control unit will be positioned (as far away from the radiographic focal position as possible and preferably behind a radiation shield) and lay out the control hoses from the control unit to the exposure device.
Assure that the hooes are not kinked.
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Radiation Control Program i
IRlDIUM 192 AND YTTERBlUM 169 Operating Procedures
- 7. 4 Connect the actuation contrr.1 hose to the exposure device.
- 7. 5 Connect the retraction hose to the exposure device.
NOTE:
This step is optional for dry land atmospheric pressure applications.
For underwater and underwater habitat applications, use of the retraction hose is mandatory.
8.
POSTING THE AREA 8.1 Final Control - After the exposure device is prepared for operation, the source shall be driven to the the exposed position and a survey performed to establish the restricted area.
Survey the perimeter of the area which was posted as " Radiation Area' during the preliminary control and correct the positioning of the signs, as necessary, to reflect the 2 mR/hr field strength.
Survey meter readings in excess of 2 mR/hr are permissible,in special situations, at the perimeters of the restricted area when the total exposure time during any one hour is less than 60 minutes.
The' exposure levels may exceed 2 mR/hr only if the integrated exposure divided by the time is equal to or less than 2 mR/hr.
EXAMPLE:
Any One Hour (60 Min.)
x 2 = Maximum Allowable mR/hr Exposure Minutes
- 8. 2 The maximum allowable mr/hr at the perimeter of a restricted area for a job requiring five exposures of four minutes, each would be figured as follows:
60 x 2 = 6 mR/hr 5x4 All' signs shall be magenta or purple on yellow background and display the conventional three bladed radiation safety symbol.
j Radiation Control Program IRIDIUM 192 AND YTTERBlUM 169 e
Operating Procedures 9.
OPERATION 9.1 Check the position of the exposure device and control hoses.
Check that all connections are properly made.
Assure that the control unit is in the "0FF" position.
- 9. 2 Assure that no unauthorized personnel are within the restricted area.
- 9. 3 Unlock the exposure device using the key.
- 9. 4 At the control unit, pressurize the chamber to approximately 30 peig.
- 9. 5 Nove the control switch to the EXPOSE position.
The source will move to the exposing position.
During the exposure, monitor the radiation intensity using a survey meter.
Outside the area of the primary beam, the radiation levels should be less than 2 mR/hr at a distance of 3 meters (10 feet) from the exposure device.
Monitor the radiation levels at the boundary of the restricted area to assure that it is properly established.
- 9. 6 At the conclusion of the exposure time, return the source to the shielded storage position by moving the control switch to the OFF position.
Note that the source position indicator retracts into the device.
- 9. 7 Approach the exposure device with the survey meter and survey the device on all sides.
The radiation level should not exceed 200 mR/hr at the surface of a device loaded to capacity.
If the radiation levels exceed these limits, treat the situation as an emergency cnd notify your supervisor or the Radiation Control Officer.
- 9. 8 When the source is properly stored in the shielded position, lock the exposure device.
10.
RADIOGRAPHY COMPLETION 111DIUM 192 10.1 Upon completion of the scheduled radiographic operations in the established restricted area, the following procedure will be observed:
J 10.1.1 Assure that the exposure device is locked.
Remove the key.
I 10.1.2 Disconnect the control hoses from the exposure device.
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i Radiation Control Program IRIDIUM 192 AND YTTERBlUM 169
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Operating Procedures i
i 10.1.3 Install the outer protective cover and install the four f,mm
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10.1.4 Survey the external surfaces of the device to assure that the radiation levels do not exceed 200mR/hr.
Survey at one meter from the external suifaces of the device.to assure that the radiation levels do not exceed 10mR/hr.
10.2 An exposure device that is not returned to the storage area and will be left unattended, must be locked and physically secured to prevent tampering or removal by unauthorized personnel.
The device left in this condition must be barricaded and posted to a EmR/hr level.
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Hadiation Control Pi, gram I
IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 11.
1.iOltDL1tJG & USE OF THREE (3) LURIE YTTEltBIUM-169 RnD10Gitn?' HIC EXr'OSURE
- DEVICE, 11.1 Itodiographic exposut'e device will be locked in radiographic test kit care at all tirdes except when actually in use. JEgfpr to 111ustr.it ton
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IRIDIUM 192 AND YTTERBlUM 169 1
Operating Procedures 11.2 '>nesonnel and surrounding environment will be soonitored in accci' dance with st.mdard radiation safety pract ices.
11.3 De.* ore re!aovin;; radiographic excosure device frorn safety enclocure, establish radiction areau froin data in radiographic icg or as follows:
11.3.1 Radiation stLeveys are required to establish boundaries for posting and ecstricting cf radiographic areas.
These curveys are required for each field radiography set-up.
The fladiographer chall es*:aolish sini saark crelitatnary radiation boundary by ineasuring 5-foot and 40-feet radius front cource.
appropriate li nitations chall be fraposed for controlling access to that area, i. e., barricades, ropec, ate.
Sae, Illustration 10.
11.3.2 The arec incide the 6-fcot radius cone.titutes a hign radi ation vea an:: sns11 be connpico:.ucly t'o.:ted with a sign, or siunt, becring the r adiation cyrnool and the words COUTION - HIGH 11AD13T10N AHER.
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A phv';ical radiation curvey is NUT reuuired to autablich tha high radiat ion area.
11.3.3 The arca in. side the 40-f o'.t radius constitutes a restricted radiography area and chall be posted with nipns bearing the radiation caution cylabol and the words CAUTION - RADI Al!DN art' A.
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i Radiation Control Program IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 11.3.4 The radiation survey data that is obtained frorn the above requirernents shall be docuracnted in forra LMSC 2001D.
11.4 Prepare source holder as shown in 111ustration 2.
11.4.1 Position C-clarap asserably on base structure..
11.4.2 Ottach 1-inch segraented rod with adjustable hinge Joint to drilled and tapped head of C-clarap.
11.4.3 Join approxiraately 12 inches of segraented rod and attach to adjustable hinge Joint.
slip source holder clarop on end of extended rods.
11.5 Prepare filta packet in accordance with following:
11.5.1 Raise platen in filta holder adapter (see!!1ustratjon3) and place fluorescent screen in adapter, verifying screen tabs fully engage end of platen (see Illustration 4, Block 1).
11.5.2 Lower platen and insert Polaroid film holder, with filra aperture to closed face of adapter, and press firrnly to verify that filia holder has seated.
Verify filin holder control at LOAD (see 111untration 4, Diock 2).
CAUTION - DO NOT GRASP 'ILM AT END FCR INSERTION F
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Radiation Control Program IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 11.5.3 Grasping filia packet at side, insert.into holder with broad side up.
Slide filta until it engages grip.
11.5.4 Carefully withdraw fils.; packet envelope until stop in reached.
Hotate platen lever toward closed end of adapter, i
raising platen and precsing screen against filia (see Illustration 4, Block 3).
11.5.5 Invert unit so adapter is on top.
11.5.6 Push envelope back to its full depth and lower platen by rotating level toward open end of adapter (see Illustration 4, Block 4).
11.5.7 Withdraw filia holder froin adapter.
- 11.5.8 Push and hold release lever at end of filed hof der.
Withdraw fil:4 packet frorn holder.
If resistance is felt at approxicaately 5 inches, guide fluorescent screen tabs under edge of aperture in filen holder (cee Illustration 4, Block 5).
11.S.9 Ifshort screen has been iricerted, fold filra packet at end of screen as necessary to forra narrow package (see Illustration 4, Block 6).
Do not press on developer rod raarked "D0 NOT PRESS. "
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- . ' Radiation Control Program 1
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IRIDIUM 192 AND YTTERBlUM 169 i
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Operating Procedures i
11.6 Place filen pocket behind part to be radiographer using folded foain and snasking tape to hold in place.
Verify fluorescent screen is in i
contact with film.
11.7 Heinove radiographic expcaure device froin safety enclosure and install in source holder clarap.
11.8 Calculate filen exposure as follows:
- 11. B.1 MTasura distance froin source to filen.
- 11. B. 2 Using filin exposure chart (111ustratio,i 5), extend horizontal line at source age days to p> int where it intersects line extended froin initia2 ;ource size-curies.
11.8.3 Frorn poir,t on decay line, roover vertically downward to point on Ir.dex line.
- 11. B. 4 Froin point on index line, extend through applicab1d Material thickness down to exposure tiene.
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Operating Procedures
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l 11.9 Verify radiation area is clear of personnel.
During each test operation, the radiographer shall ritaintain a continuous visual surveillance of the testing area to protect against unauthorized j
entry except where the testing area in locited to protect against unauthori:ed or accidental entry.
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Radiation Control Program
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IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures l
11.10 innta11 shutter release on source holder and expose filra for
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11.11 A physical radiation survey shall be inade af ter each radiographic exposure during a radiographic operation to detertaine that the sealed source has been returned to its shielded condition.
The radiation level should be less than 25 rah /hr at 2 inches frola the source holder with the shutter closed, see 111ustration 6.
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RADIOGRAPHIC EXPOSURE DEVICE RADIATION SURVEY INSTRUMENT lil u s t r a t i o n 0 11.12 Hernove filia packet and process as follows:
11.12.1 Insert filia packet into filta holder adapter with brand side
,of filra toward back of holder and platen lever toward open and of adapter.
l 11.12.2 Haise platen by rotating 1cver toward cloced end, and carefully withdraw packet to stop and lower platen (see Illustration 7, Block 1).
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Radiation Control Prograin IRIDIUM 192 AND YTTERBlUM 109 Operating Procedures 11.12.3 Heinsert packet to full depth.
11.12.4 llithdraw filta holder frota adapter.
Rernove and stow fluorescent screen (see Illustration 7, Block 2).
11.12.5 Nove fi1:a holder control to PROCESS and withdraw cotoplete filia packet in one cracoth anot ion.
Do not pr,ess ore pressure saechanista (see 111ustration 7, Block 3).
11.12.6 14ait prescribed develop nent tinne and open filta packet.
Separate finished point and coat with fixer.
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11.13 Perforro photo interpretation to deterraine that i adiograph of part is acceptable.
11.14 Repeat above procedures for all parts to be exarained.
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Radiation Control Program i
IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures f
11.15 Secure froia radiographic inspection as follows:
11 15.1 Hernove shutter release froid source holder.
11.15.2 Reinove source holder frota clarop and Icck in cafety closure.
11.15.3 Stow filrd holder adapter and filia holder in case.
11.10.4 Retoove, disasserable arid stow positioning equipinent.
11.15.5 Record nutober of exposures and total exposure titae Ori Field Radiography-Radiation Survey, Forra LMSC 2001D.
11.15.6 A physical radiation survey shall be inade to detertaine that each cealed source is in its shielded conditf ore prior to securing the radiographic exponure device and storage centainer.
The radiation level should be less than 2.5 raR/hr at 2 inches with thn safety closure in positjon and the shutter clorsd.
See Illustration D.
y lx R A DIOGR A PHIC E X POSURE DEVICE IN ITS SAFET Y CLOSURE RADIATION SURVEY INSTRUMENT lliu s t r a tio n 8 l
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Hadiation Control Program IRIDIUM 102 AND YTTERBlUM 169 Operating Procedures.
1,1,15.7 Stow exposure device in radiographic test hit case and lock.
11.15.8 Read and record pocket desiraeter' readings.
If dosieneter is discharged beyond its range, cubrait filta badge irarnediately to the Occupational Safety and Health organization for processing.
11.!S.9 Hecord all survey data and dositaeter e
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.i Hadiation Control Program IRIDIUM 192 AND Y T T E R BlU M.16 9 Operating Procedures 12.
(IECE!VING I4ADIUnCilVE M4f t:H14L 12.1 The consignee of a package of radioactive raaterial raust roake arrangernents to receive the package when it is delivered.
If the package is to be picked up at the carrier's tertalnal, 10 CFR Part 20.205 requires thet this be done expeditiously upon notification of its arrival.
12.2 inch /Ups, Model 865 portable garntaa radiography systern is norrnally shipped in one crate.
Inspect the crate for signs of external dainage.
If damage is evident, the carrier's agent should be present while unpacking.
Survey the exposure device with a survey toeter as soon as possible, preferably at the tiene of delivery and no rnore than three hours later if it was received during norrnal working hours, or no rnore than 18 hours2.083333e-4 days <br />0.005 hours <br />2.97619e-5 weeks <br />6.849e-6 months <br /> later if it was received after normal working houri.
Radiation levels shall not exceed 200 raR/hr at the surface.
Actual radiation levels should be recorded on the receiving report.
If the radiation levels exceed these liraits, the container should be secured in a Restricted Area, and the appropriate personnel notified.
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12.3 The Ytterbiura 169 source will be received in a USA DDT 7A type A container.
12.4 All cornponents shall be incpected for physical daraage.
12.5 1he radioisotope, activity, source roodel nurnber and serial nurnber and the pachage snodel number and serial nurober shall be recorded in the receiving report.
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' Hadiation Control Program IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 13.
SHIPPINO RADIDAC11VE MGTERI AL 13.1 The Model BE,5 exposure device racets the requireinerds for Type B(U) packages under the regulations of the U.S.
Nuclear Regulatory Colar si ss ion, the U.S. Departinent of Transportation and the International Atordic Energy Agency.
The device has been assigned a USNRC Certificate of Cotopliance for donnestic shipsnents an'd an IAEA Certificate of Cordpetent Authority for international shipidents.
The package identification nusobers are listed in Section I.E.
The following shipping procedures cornply with USNRC Regulations 10 CFR Part 71 and USDUT llegulations Title 49 regarding the transportation of radioactive inaterials:
13.1.1 Assure that the source is locked into place in its proper shielded storage position.
To check this, the soure:!
position indicator rod should be in the down position, and the key operated lock should be engaged.
Install the outer cover usir'D four Erara bolts.- Seal wire two of these b'olts and attach a taraperproof seal with an identification roark.
13.1.2 If the shipping container in to be packaged in a crate or other outer packaging, the outer packaging saunt be strong enough to withstand the norinal conditions of transport.
These require # dents are outlined in 10 CFR 71.71.
The shipping container should be put in the outer package with sufficient blocking to prevent shifting during transportation.
13.2 The Ytterbiuta 169 exposure devices ineets the requirernents of US DDT Regulations Title 49.
The containers used to ship Ytterbiura 169 exposure devices back to the rupplier of new sources soust raeet the requireraents of USA DOT 7A Type A.
13.3 Perf oria a radioactive contarainat_ ion wipe test of the outer chil ping i
packhge.
This connists of rubbing NU CON filters or other absorbent inaterial, using heavy finger pressure, over an area of IOOctne
( 16 f n' ) of the package surface.
The activity of the filter paper j
should not exceed 0.001 uCi of retoovable contardination.
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Hadiation Control Program
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IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 13.4 Survey the package with a survey sneter at this surfare and at a distance of one nieter frorn the surface to deterraine the proper radioactive shipping labels to be applied to the package as required by 43 CPR Part 172.403.
If radiation levels above 200 rnR/hr at the surface or at 10 inR/hr at one ueter frota the surface are sneasured, the package anust not be shipped.
13.5 Properly cornplete two shipping labels indicating the radioisotope, (Iridiuni 192 or Ytterbiura 169) activity and the Transport Index.
The i
Transport Index is used only on Yellow II and Yellow III labels and l
1s defined as the raaxirauni radiation level in railliroentgens per hour sneasured at a distence of one ineter froin the surface of the package.
Packages bearing the Ye* tow II label rday not exceed 50 r4R/hr at the surface and inay not exceed 1 inR/hr at a sneters distance.
Packages bearing the Yellow III label rosy not exceed 200 rnR/hr at the surface and roay not exceed 10 inR/hr at a ueters distance. Put the proper two labels on opposite sides of the package after raaking sure any previous labels have been reraoved.
The package for Iridiura 192 should be saarked with the proper shipping narne (Radioactive Mdterial, Special Forso, n.o.s.) arid the identification nuinber (UN 2974).
If the exposure device is packaged iriside an outer container, raark the outside package "INSIDE PACKAGE COMPLIES WITH PRESCRIBED SPECIFICATIONS-TYPE B(U) USA /9187/D(U)."
The container for Ytterbiura 169 should be snarked " Radioactive Material N.D.S. UN 2987".
13.6 Coniplete the appropriate shipping papers - Exarnples are shown in Figure 5 and 5A.
These shipping papers raust include:
13.6.1 Proper Shipping Harne (Radioactive Material, Special Forrn, n.o.s.) and ', identification Nusaber (UH2974) for Iridiurd 198F. and Radioactive Material, N.D.S., Identification No. UN 2987.
13.6.2 Nmon of Radionuclides (Iridiurn-192) (Yt terbiura 169) 13.6.3 Activity of the Source (in curies) 13.6.4 Category of Label Applied (i.e. Radioactive Yellow II or Yellow III)
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Radiation Control Program IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 13.6.5 Transport Index 13.6.6 Package Identification Nurnber (i.e. USA /9107/B(U)
Type D) for Iridiurn 192 and USA DDT 7A Type A for Ytterbiuin 169.
13.6.7 Shipper's Certification "This is to certify that the above natned roaterials are properly classified, described, packaged, snarked and labeled and are in proper condition for transpart according to the applicable regulations of the Departroent of Transportation."
NOTES:
1.
For air shipinents, the follotting shipper's certification roay be used:
"I hereby certify that the contents of this!
consignrnent are fully,and accurately described j
above by proper shipping rearne and are classified, j
packed, raarked and labeled and are in proper j
condition for carriage by air according to j
applicable national governinental regulations."
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2.
For air shipinents to, froin or through the United States, a " CARGO AIRCRAFT OilLY" label.and the shipping papers inust state:
"THIS SHIPMENT IS ll1 THIN Tile LIMITATIONS i
PRESCRIDED FOR CARGO ONLY AIRCRAFT."
14.
pyIPPING EMPTY PACKAf3ES 14.1 This,section applies to shipping the Model 865 exposure device without a radioactive pource.
Since these devices use depleted uraniurn for shielding, shipraent of these devices is governed by the requircinents for transporting radioactive inatorial.
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Hadiation Control Program 4
IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 14.1.1 If the container is to be packaged inside a crate or other outer packaging, the outer packaging raust be strong enough to withstand the norinal conditions of transportation.
Place the container in the outer package with sufficient blocking to prevent shif ting during transportation.
14.1.2 Perforra a radioac t tve contaraination wipe test of the shipping package and assure that the wipe test does not exceed 0.001 saicrocuric per 100 square centiraeters.
14.1.3 Survey the package at the surf ace and at one saeter frota the surface to deter;aine the proper radioactive shipping labels to be applied to the package.
14.1.3.1 If the surface radiation level is less than 0.5 enillireto per hour and there is.no raeasurable radiation level at one roeter frora the surface, no label is required.
Mark the outside of the' package with the proper shipping narse and identification nusaber (Radioactive Material, nrticle Manufactured frora Depleted Uranlura, UN 2909).
Mark the outside of the package with the st at ernent :
" EXEMPT FROM SPECIFICATION PACKAGING, SHIPPING PAPER AND CERTIFICATION, MARKING AND LOBELING, AND EXEMPT FROM THE REQUIREMENTS OF PART 175 PER 49 OPR 173<4211 AND 49 CPR 173.424."
j 14.1.3.2 Additionally, a notice saust be enclosed in or on the package, included with the packing list or otherwise forwarded with o e, package.
This notice saust include the i m e of. the c onsignor or consignee and the staterae:,,a l
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"THIS PACKAGE CONFORMS TO THE CONDITIONS AND LIMITATIONS SPECIFIED IN 49 CPR 173.424 FOR EXCEPTED RnDIDACTIVE MATERIAL, HRTICLES
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MANUFACTURED FROM DEPLETED URnM1UM, UN2909."
Hadiation Control Program i
IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 14.1.3.3 If the surface radiation level exceeds 0.5 raillireto per hour, or if there is a sneasurable radiation level at one sneter frora the surface, use the criteria of Figure 1 *to deterinine the pi'oper radioactive shipping labels to be applied to the package.
Mark the outsidt n'
khe package l
with the proper shisping narne (RAD;0r.CTIVE WhiEH10L, LUG, n.o.c.) and the Identification Nurnber (UN2912).
14.1.3.4 Properly cornplete the shipping paper. indicating:
14.1.3.4.1 Proper shipping navne (Radioactive Material, LSA, n. o. s. ) and Identification Hurnber (UN2912) i 14.1.3.4.2 Navne of Radionuclides (Depleted Uranf urn) 14.1.3.4.3 Physical or. Cheroical Forro (Solid Metal) 14.1.3.4.4 Activity tin curies or inillicuries) 14.1.3.4.5 Category of Label Applied (1.e.
Radioactive Yellow II) 14.1.3.4.G Transport Inden 14.1.3.4.7 Package Identification Nurnber (i.e.
USn/9107/B(U) 14.1.3.4.8 Shipper's Certification "This is to certify that the above navned snatorials are properly
. clannified, doncribed, packagua, raarhed and labeled and are in proper condition for transport according to the applicable regulations of the Departnient of Transportal ion. "
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nautauon Control Program IRIDIUM 192 AND YTTERBlu i 169 i
Operating Procedures NOTES:
1.
For Air Shipraents, the following shipper's certification raay be used:
"I hereby certify that the contents of this consignrnent are fully and accurately described above by proper shipping narae and are classified, packed, snarked and labeled and are in propor condition for carriage by air according to applicable notional governinental regulations."
2.
For Air Shipraents to, frota or through the United States, ' CARGO AIRCRAFT DNLY' label and the chippirig papers idust state:
"This shipraent is within the liraitations prescribed for cargo only aircraft."
15.
fRANSPORTDIG RADIOACTIVE MA1ERIAL 15.1 Any vehicle that is to be used to transport radioactive saaterial shall be in good operating condition and carry a';norinal cotoplernent of safety equipraent such as Radiation Area sigrec, rope, spare tire, fire extinguisher, vehicle tools and flares.
The glove cornpartroent shall have the vehicle's registrat tori certificate and an operable flashlight.
Additionally, the driver raust have a calibrated and operable radiation survey caeter and be wearing a direct reading pocket desiraeter and either a flirn badge or a therraolurninescent dositaet er.
15.2 Approved Drivers - Approved vehicles carrying sealed sources;rnay be driven Lj any individual with a current driver's license.
15.3 Preparation for Transport - Survey the exposure device and/or storage container to deterinine that the source is in the shielded position.
Verify that the device and/or coritainer is securely fastened to prevent shifting in trannit.
Verify the storage container is posted
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with, " Caution -- Radioactive Material" sign.
Radiation Control Program IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 15.4 Securing the Vehicle - Close and lock the door to the storage area.
This door raust be kept locked until you arrive at the job site.
15.5 If the vehicle is transporting a package bearing' a " Radioactive Yellow III" label, 49 CFR Part 172.504 requires that the vehicle be posted on all i,ur sides with a " RADIOACTIVE" placard.
It should be noted that operation of a vehicle which is required to be placarded requires coinpliance with the Federal Motor Carrier Safety Regulations, 49 CFR Parts 390 to 397.
15.6 Surveying - Survey the exterior surfaces of the vehicle and the driver's cotapartinent.
No radiation field exceeding 2 rnR/hr shall be perini t t ed.
15.7 Overnight Stopa - D radiation craergency could occur by:
15.7.1 Unauthorized persons tarapering with your equipraent.
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15.7.2 Another vehicle striking your vehicle.
15.7.3 The chances of those ernergencies occurring can be rainiol:ed by considering the followit.g guidelines where you park your vehicle.
15.7.4 Make sure your vehicle is locked.
15.7.5 Park in a well-lighted area.
15.7.6 Do not park on rtreets carrying heavy traffic.
15.8 Key Control - The keys to the vehicle give you control over the radioactive source during transportation.
Do not loan your key to persons other thant a)-
LMEC Certi fied Radiographer or RCO.
b)
Another authorized individual of LMSC during the tirae you are personally with the vehicle.
i tt0TE:
Do not hide 2 spare key in or around the vehicle.
Hadiation Control Program
^ :
IRIDIUM 192 AND YTTERBlUM 109 Operating Procedures 15.
HAND CARRYING In order to rainf raize the radiation exposure, it is recornraended that care be taken when hand carrying the unit.
A direct readinD pocket dostraeter and filia badge or TLD should be worn on the side of the body closest to the exposure device.
If raore than one person is present, it is good practice to alternate the hand carrying betneen thern to rainiinize radiation doses to any one individual.
Likewise, no person should be perrnitted to sit on or lounge against the exposure device.
17.
STOROGE When storing the systera, the expos.ure device raust be kept physically secure to prevent tarapering or rernoval by unauthorized personnel.
The storage area roust be secured such that no unauthorized personnel are allowed entrance where radiation exposure levels exceed 2 raR in any one I
hour.
10 CFR Part 34.22 requires that the exposure device be kept locked during storage.
18.
COMPLETING THE RECORDG 18.1 Records are your evidence of cornpliance with the procedures of the Operating und Eraergency Proceduren.
The HC0 will insist that you properly docuraunt your work.
18.2 It will be the Radiographer's responsibility to coroplete the following records:
a)
Radiation Safety Reports - Forsa LMSC 2001D, Figure 1, entitled,
" Field Radiography".
19.
INSPECTION AND MAINTENANCE PROCEDURE Inspection and Maintenance Procedures are the daily actions taken.by,a radiographer to assure his equipraent is in good working order.
19.1 Equipracnt will be raaintained in good condition by periodic inspection, test, calibration, and snaintenance.
19.2 0 eaaintenance-calibration label placed on the equipraent pill identify the date for the.rient servici.ng.
e p
Radiation Control Program IRlDIUM 192 AND YTTERBlUM 169 Operating Procedures 19.3 Exposure Device 19.3.1 Daily inspections will be conducted and doeuraented by the Radicyopher in the field por the instructions of " Physical Inspections of Radiography Exposure Devices Daily", RCP for:4 2002.
19.3.2 Field Maintenance a)
Servicing of the equipident to correct rainor deficiencies uncovered by the inspection roay be perforraed by the Radiographer except when abnorraal radiation levels are involved.
j b)
Units which show abnonnal radiation levels will be irdraediately rernoved frorn service and the RCO will be contacted.
i 19.4 Special Incpection - Inspections will be conducted whenever equipraent has been subjected to severe stress or daraage such as dropping or subraercion in water, etc.
Exposure devices irevolved in eraergencies will be inspected per the instructions of the RCO.
The report shall be identified "Special Inspection" and include a description of the abnordal situatien encountered.
1 19.5 Survey Instruraent al Inspect the curvey instrutaent each shift for norsaal functioning and current calibration date.
b)
Calibration in required each 90 riays (calibration tag on i ns t ruracnt ).
NOTE: ['O. tif01 use survey instrundents with an expired calibration date.
20.
COM1ROL DUCUMENTS A.
State Licence - APPENDICES l
9.
California Radiation Control Regulations (Title 17) - Each individual who will be involved with H.2diat ion Gafety Prograrn will Ue issued a current copy of TitIc 17.
Hadiation Control Program IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 21.
DEFINITIONS pyproduct Material - Any radioactive material, except special nuclear material, yielded i n, or vaade radioactive, by exposure to radiation incident to the process of producinD or utili ing special nuclear material, for example: Ytterbiern 169 and Iridium 192.
Curie (C_il - The unit c f activity for measuring the quantity of radioact ive inat erial.
One curie (Cl) in that arnount of raaterial which yields 3.7 x 10** disintegrations per second, or the activity approxiraately equivalent to that of one grain of radiurn.
Donimeter - A device for incasuring the araount of exposure to ionizing radiation received by an iridividual.
In,tructor/01 ternate Radiation Control Of ficer - A State approved individual with extensive onperience in radiation safety, who performs trainir:g and exarnination of Assistant Radiographer and Radiograpt;iers and tahec the place of the RCO whenever the' RCO is absent.
Hinh Radiation Area - Any area accessible to personnel in which there exists radiation at such levels that a raajor portion of the body could receive, in any one hour, an exposure in excess of 100 mR.
Ioni:ina Radiation - Includes any, or all of the following: Alpha particles, Beta part icles, Gardina Rays arid X-rays, referred to hereafter as
" radiation".
1,4i l l i roent oen (mR). Mi__1_liroentgen Equivalent Man (mrem) - nre 1/1000 of the value of (R) and (rcrn) respectively.
Radiation Grea - Ony area accessible to personnel in which there exists radiation at such loveln that a rtajor portion of the body could receive, in any one hour, an exponure in enects of 5 tor, or, in any 5 consecutive days, an'exp.'.sure in excess of 100 mR.
"adiction Sions - Signs which warn of the presence of ioni:ing radiation or materials that canit radiation.
They display the conventional three bladed radiatiere symbol in insgenta, or purple, on a yellow background.
O
W Madiation Control Program IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures Radiographer - Any individual who perfortas, or who is in attendance at the l
site and directly supervises radiographic testing operations, and who is responsible to the licensee for assuring coinpliance with the requireroents of state regulations, the conditions of the license, und these procedures.
Rafiom aoher's Assistant - Any individual who, under the direct supervision of a Radiographer, uses exposure devices or survey instrutnents in radiography.
Radiourachic Eunosure Device - Any device, such as a projector, containing a radioactive sealed source fastened therein, in which the radioactive sealed source, or shielding thereof, roay be inoved or otherwise changed forrn a shielded to an unshicided position, with respect to the source, for purpose of roaking a radiographic exposure.
Sealed sources raay also be transported in these devices when appropriate conditions are rnet.
Radieuraohv - The nondestructive testing of inaterials by the production of an iraage on a radiation-sensitive surface, such as a photographic filin, by the uue of sealed sources containing radioactive snatorial, or a beata of n-rays.
Roenteen Eauivaler.t Man (rem) - A rern is a sneasure of dose of any leni:ing radiation to body tissue relative to the estitaated biological effect of exposure of one roentgen (R) of X or gatorna ray.
For the purpose of this procedure, one rerd and one R are identical for the reason that the sealed sources utill:ed in industrial radiography do nut etait Alpha or Deta radiation outside of the utainless steel capsule.
Restricted Area - Any area access to which is controlled for the purpose of protection of individuals frota exposure to radiation.
Roentnon (R) - A roentgen is a inecsure of the ioni:ing radiation in air produced by X or Gararna radiation.
Sealed Source - Any radioactive material that is encased fri a capsule designed to prevent !cakage or escape of the radioactive raaterial.
Ghieldinu Material - Any taaterial used to absorb radiation and thereby, reduce its intensity.
S
t
-l' Hadiation Control Program IRIDIUM 192 AND YTTERBlUM 169
{
Operating Procedures Storaue or Shionino Container - A shieloed device in which sealed sources
- are placed for storage or transportation.
Survey - The iaeasurescont and recording of radiation intensities at various locations in an area tvhere ionizing radiation exists.
22.
FORMS FORM NO.
1.
Radiation Safety Survey Report LMSC 2001 D Entitled, " Field Rc.diography" 2.
Physical Inspections of Radiography Exposure Devices " Daily" 1ridiuin 192 RCP forra 2002 3.
Phyuical Inspections of Radiography RCP forra 2802A Exposura Devices " Daily" Ytterbiuhi.169 8
4.
Physical Inspections of Radiography Exposure Devices "Duarterly" RCP forro 2803 5.
Physical inspections of Radiography RCP forrn 2803A Exposure D.? vices "Duarterly" Ytterbiura 169 6.
Duarterly Sealed Source Inventory Report itCP forra 2004 7.
Source of 11adiat ion Movenient Approval LMSC 1791B-2 8.
Radioactive Materials / Radiation Sstevey/
Accountability LMSC 1791A-2 9.
Personnel Audit RCP forra 2005
.l,.
Radiation Control Program IRIDIUM 192 AND YTTERBlUM 169 Operating Procedures 10.
Facilitles and Equipinent Audit RCP forra 2806 11.
Corrective Action Audit Finding RCP forra 2507 12.
Application for Authori:stion LMSC forsa 8791 to Acquiro Radioactive Material or Irradiation Services 13.
State of California RH 2364 Departroent of Health Services Notice to Ernployees Standards for Protection Agairist Radiat ion.
0
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= S ulll V E Y O y TITLg DATE
./
FIELD R ADIOGR APHY FAC.
B L D g.
COL.
ORGH JOS DESCRIPTION ISOTOPE LMSC AC C OUN T A B6LlT V NUMBER SOUR C E A C T. ON CURIES
~
ugy'f gyRg MAK MV MARMA LMSC T A G NUMB E R
- 0NSTRUME 47 USED FOR R A DI A TION SUR VE Y S AFET Y T EST T AG NO.
D AT E C ALIBR A TED MANUFACTURER RECORD OF PERSONNEL DOStMETERS SERI AL NO. OF DOSIME T ERS S E CO RD O F E M PO Su't E N AM E Start Finish EXPOSURE viMEs OF SOURCE AT THis LOC ATION A Radiation Survey is required after each exposure to determine that the shutter mechanism has closed. Record Radiation Levelit 2 inches afte, each esposure.
g a p og yR E. TIME M ADI ATION L EV EL 9 2*
E M POSUR E. TIME R A DI ATION LE V E L 9 2'
),
12.
2.
13.
3.
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4, 5.
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51-18.
7, 19.
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20.
10.
21.
11.
22.
LOCKHEED MIS $1LES & SP ACE COMPANY, OHC.
FORM LMSC 2000 D 4 FRONT)
Hadiation Control Program IuE RADIATION INTENSITIES AT VARIOUS DISTANCE FROM UNSHIELDED SOURCE Iridium 192 20 Curies _ Strength I
30 Curies Strength Exposure Time Distance From Exposure Time Distance From In Any One Perimeter of mr/hr In Any One Perimeter of mr[.
Hour Restricted Area Level Hour
_ Restricted Area Levi 60 min.
245 ft.,
2 mr/hr 60 min.
300 ft.
2 mr/l 30 min.
170 ft.
4 mr/hr 30 min.
210 ft.
4 mr/l 10 min.
100 ft.
12 mr/hr 10 min.
120 ft.
12 mr/l 5 min.
70 ft.
24 mr/hr 5 min.
85 ft.
24 mr/l 1 min.
30 ft. 120 mr/hr 1 min.
40 ft. 120 mr/l 40 Curies Strenath 50 Curies Strenoth 60 min.
360 ft.
2 mr/hr 60 min.
395 ft.
2 mr/l 30 min.
250 ft.
4 mr/hr 30 min.
280 ft.
4 mr/l ;
10 min.
140 ft.
12 mr/hr 10 min.
160 ft.
12 mr/l 5 min.
100 ft.
24 mr/hr 5 min.
1 min.
45 ft. 120 mr/hr 1 min.
~
115 ft.
24 mr/l 50 ft. 120 mr/1 60 Curies Strenath 70 Curies Strencth 60 min.
430 ft.
2 mr/hr 60 min.
460 ft.
2 mr/l 30 min.
305 ft.
4 mr/hr 30 min.
325 ft.
4 mr/t 10 min.
175 ft.
12 mr/hr 10 min.
190 ft.
12 mr/t 5 min.
125 ft.
24 mr/hr 5 min.
135 ft.
24 mr/t 1 min.
55 ft. 120 mr/hr 1 min.
60 ft. 120 mr/t 80 Curies Strenath 90 Curies Strenoth 60 min.
495 ft.
2 mr/hr 60 min.
525 ft.
2 mr/'r 30 min.
350 ft.
4 mr/hr 30 min.
370 ft.
4 mr/t 10 min.
200 ft.
12 mr/hr 10 min.
215 ft.
12 mr/F 5 min.
145 ft.
24 mr/hr 5 min.
155 ft.
24 mr/r 1 min.
65 f,t. 120 mr/hr 1 min.
68 ft. 120mr/{.
100 Curies Strencth Intensities of Iridium 192 60 minf 555 ft.
2 mr/hr 30 min.
390 ft.
4 mr/hr 10 min.
230 ft.
12 mr/hr 5 min.
160 ft.
24 mr/hr 5.90 R/hr from 1 curie at 1 ft.
1 min.
72 ft. 120 mr/hr
.55 R/hr from 1 curie at 1 mete HALF AND TENTH VALUE THICKNESS
}
(Inches)
Iridium 192 Half Tenth Lead
.19
.64 Steel
.53 1.8 Concrete 1.9 6.2 Tungsten
.12
.40 tialf value thicknesses reduce ' radiation to 1/2 ymana nm o _ - n_
4 8
6, pg;ygg 3 E
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W R A DIOGR A PHIC E X PO5URE DEVICE ru, C
PART TO BE M A DIOG R A PH ED od ek
.D 9
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p RESTRICTED MADIOCR APHY ARE A
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e POSTING AND RESTRICTING,0F' RADIOGRAPHIC AREAS l
Paragraphs 20.203(c)(1) and 34.42 require necessary to lirAlt exposure time in each hour posting of "High Radiation Areas" with signs such that a dose of 2 mrem may not be ex--
reading " Caution High Rcdiation Area." If ceeded in one hour. The 50. hour limit on total time factors are not considered, such posting exposure time in 1 week at a single location, I
will apply to the area bounded by the 100 will, of course, still apply.
l mH/hr isodose line. The following is an ex.
It may be seen from the preceding that I
ample of the effect of time factors: If the total posting at three differer.t, successive perim-exposure time in any one hour is 6 minutes eters may be appropriate. The innerniost (1/10th of that hour). the high radiation. area perimeter being the perimeter of the "High may be posted at the 1,000 mR/hr isodose Radiation Arc'a," the next perimeter being the line since 0.1 hr X 1,000 mR/hr equals 100 perimeter of the " Radiation Area," and the mR.
third perimeter being the perimeter of the Paragraph 20.203(b) and 34.42 require radiographic area separating the restricted posting of " Caution Radiation Area" cigns at area from the unrestricted area. Postmg of the
" Radiation Areas." Since the limits for a radi-first two perimeters is required by Part 20.
ation area are 5 mR in I hour and 100 mR in Postmg of the third perimeter, although not 1
I week, posting at the 5 mil /hr isodose line required, is highly desirable as an and to con-will result in compliance with Part 20 if not tr Iling access to the restricted radiographic t
more than 20 hours2.314815e-4 days <br />0.00556 hours <br />3.306878e-5 weeks <br />7.61e-6 months <br /> of exposure are made in area and instructions for domg so thould be included m, your operatmg procedures.
I week at one location (5 mR/hr X 20 hr/wk equals 100 mH/wk).
The use of "Caut:on Radiation Area" signs at the perimeter of the restricted radiographic Paragraph 20.105(b) requires that radiation area is acceptable. Such signs then accomplish levels in unrestricted arens be limited such the double purpose of warning individuals of that a person in an unrestricted area may not the existence of a " Radiation Area" and help.
receive a dose of more than 2 mrem in I hour ing the radiographer and his assistant in con-or 100 mrem in seven consecutive days, trolling necess to the restricted radiographic Restriction (signs, barricades, surveillance) of area. The use of " Caution High Radiation a radiography area at the 2 mR/hr isodose line Area" signs at the perimeter of the restricted will assure compliance with the 100 mrem per radiographic area is not acceptable. Therefore, week limit if the exposure time in I week is as a minimum, two perimeters should be less than 50 hours5.787037e-4 days <br />0.0139 hours <br />8.267196e-5 weeks <br />1.9025e-5 months <br />. If the restricted area will posted, that is, the perimeter of the "Iligh be such that the radiation level anywhere at Radiation Area" and the perimeter of the its perimeter will exceed 2 mR/hr, it will be restricted radiography area.
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naulaaun Gontrol Prograin
., a u,, c Operating Procedures LOCATING A LOST SOURCE USING THE SURVEY METER l
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RADIATION AREA PERIMETER I I g
1.
Survey the area in two straight paths that are 90 to each other..
2.
Identify the location of maximum reading on each. path.
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RadiatioII CoIItrol PrograIII 1
(
IRlDIUM 192 AND YTTERBlUM 109 Emergency Procedures I
ENERGENCY PR(.CEDURES FOR SEALED SOURCE RADIOGRAPHY 1.
OBJECTIVE Stipulate the specific emergency actions to be taken by Assistant Radiographer, Radiographer and Radiation Controi Officer (RCO), in the event of an incident or accident involving a Sealed Source incorporated in a Radiography exposure device.
2.
SCOPE Incidents or accidents involving a Sealed Source incorporated in a Radiography exposure device.
3.
PROCEDURE 3.1 Emergency Procedures The emergency procedures are the Radiographer's, and Assistant.
Radiographer's controlling document for handling radiation emergencies.
The emergency procedure vill be used in all field and laboratory operations.
3.1.1 Each Assistant Radiographer, and Radiographer shall have in his possession a copy of the emergency procedure whenever he or she is working with or around a sealed source.
3.1.2 Operating personnel are directed by the emergency procedure to report all radiation emergencies as defined under paragraph 3.2.1, to the Radiation Control, Officer.
- 3. 2 Radiation Hazard Severity The degrees of radiation hazard are arbitrarily identified as Emergency, Type 1 Incident and Type II Incident.
The definitions for these terms are as follows:
3.2.1 Emergency - A condition which may have caused or threatens to cause one of the following to occurs I
' b ; *.
RadiatioII Control Prograns IRIDIUM 192 AND YTTERBlUM 169 Emergency Procedures' 3.2.1.1 Exposures a)
Whole body - 1 R or more b) llands, forearms, ankles and feet - 10 R or more.
3.2.1.2 Contamination - Any release of radioactive material.
NOTE: An emergency includes all Type I and II incidents.
3.2.2 Type ! Incident - A condition which may have caused or threatens to cause one of the following to occurs 3.2.2.1 Exposure a)
Whole body - 5 R or more.
bl Hands, forearms, ankles and feet to occurs or more.
3.2.2.2 Work Loss - The loss of one work day or more of the operation of any facility affected.
3.2.2.3 Damage - Damage of property in excess of
$1,000.00.,
3.2.3 Type II Incident - A condition which may have caused er that threatens to cause one of the following to occurs 3.2.3.1 Exposure of Whole body - 25 R or more.
b)
Hands, forearms, feet and ankles - 375 R or more.
3.2.3.2 Contamination - Any release of radioactive material.
3.2.3.3 Work Loss - The loss of one work week or more for the operation of any facility affected.
j 3.2.3.4 Damnge - Damage of property in excess of 9100,000, l
- 3. 3 Handling and Emergency 3.3.1 Radiation emergency reporta vill be handled by the RCO or the approved alternates identified in the Program Plan.
l RadiatioII Coistrol Progrant -
!RIDIUM 192 AND YTTERBlUM 109 Entergency Procedures' 3.3.2 The reporting Radiographer will be asked to answer the following questions and provide information covered in paragraph 3.3.3.
a) llave all personnel been removed from the radiation area?
b) lias the radiation area been posted?
c)
Is the area being controlled by a responsible person?
d)
Is there any immediate danger of personnel receiving further radiation exponure?
e)
Were any personnel injured?
f)
What is the nature of the incident?
3.3.3 Three Emergency Action Guidelines are included in this paragraph.
The RCO shall select and use the appropriate guideline to plan the emergency action.
Supplemental actions may be imposed by the RCO.
TYPE OF EMERGENCY REFERENCE PARAGRAPH Personnel Overexposure 3.3.3.1 Exposure Device Malfunction 3.3.3.1 Loss of Source on Job Site 3.3.3.1 Other Conditions Not Listed Below 3.3.3.1 Missing or Stolen Source 3.3.3.2 Facility or Area Fire 3.3.3.3 Radioactive material being transported 3.3.3.4 3.3.3.1 Emergency Action Guidelines for all conditions except facility or area fires, and a missing or stolen source, or radioactive material being transported.
a)
Determine if the source is properly shielded.
b)
Verify personnel are clear of the exposure area.
c)
Verify the radiation area has been posted.
di Verify the area is under. surveillance.
21 Determine if personnel are in danger of receiving further exposure, f)
Determine if any personnel were injured.
g) n termine which personnel with radiation e
training are available at or near the site.
h)
Determine the dosimeter readings of personnel involved.
1)
Determine the radiation exposure of
- mwenmML bwnwa6L
L Hadiation Control Prograns IRlDIUM 192 AND YTTERBlUM 169 3
l Emergency Procedures 4
j)
Determine the nuclide and S/fl of the source to establish the specific activity.
)
k)
If the condition is a Type I incident and j
there is no immediate danger, interrupt the emergency action at this point to perform the required notifications.
1)
Type II Incidents shall be reported immediately, and Type I Incidents within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
Reporting shall be made promptly by telephone and confirmed'by letter to the following Department of Health 1
Radiologic Ilealth Section 714 "P" Street Sacramento, CA 95814 Telephones (916) 322-2D73 m)
Verify the exact source location, if known, or direct that its location be determined by triangulation as explained in Figure 3.
n)
Direct the radiation area posting be corrected, if necessary, and the high radiation area be posted.
o)
Determine what shielding is available which could be used to minimize exposure during recovery.
p)
Determine the need for additional personnel including civil authorities and/or technical assistance during the planning stage and at the site.
If extensive delays will occur, plan for continuous surveillance of the area.
q)
Determine the method of recovery which will produce the minimum exposure to the personnel.
r)
Review the radiation history of each trained person who is available to assist in recovery.
l s)
Establish a step-by-ntep procedure for recovery.
Specify on the written procedure the maximum allowable time for each step (Retreat Time) which will take place within I
the Rndintion or liigh Radiation Area.
tl Calculnte the pernunnel exponure expected for each step.
Determine the need for new flim badges prior to recovery.
t' Sadiation Control Prograns IRIDIUM 192 AND YTTERBlUM 109 q
i Emergency Procedures l
u)
Review the procedure in detail, with the j
person who will perform the recovery j
(Recoveror).
Assure the times are i
realistic.
Any changes in times will require recalculation of the exposure.
llave the Recoveror read the procedure to the RCO for proofing.
v)
The procedure shall be followed exactly.
j Changes will be made only by the RCO.
v)
The Timekeeper shall immediately notify the Recoveror if the retreat time of a step has been reached.
The Recoveror shall then immediately leave the radiation area ar.d report to the RCO for further instruction.
x)
Upon elimination of the emergency, proceed with Post Emergency Action per paragraph
- 3. 4.
3.3.3.2 Emergency Action Guidelines for Hissing or Stolen Sources.
A.
Immediately notify the Radiation Control Officer when it is suspected or known that a source is missing or stolen.
CAUTION: DO NOT ATTEMPT TO LOCATE SOURCE WITil0UT HOTIFYlHG 1HE RCO.
B.
The Radiation Control Officer shall direct the Radiographer and Radiographer's Assistant to assist him to accomplish the following:
1)
Determine the nuclide and S/H of the missing source..
2)
Determine if the exposure device, storage container or source changer containing the source is missing.
3)
Determine if the source containing equipment was locked.
Is there evidence that the locking mechanisms were broken?
4)
Determine if any personnel at the site have information as to the possible location of the ocurce.
5)
Determine the need for clearing eork areas until a survey la conducted.
Determine the advisability of conducting a physical search of specific arene.
RadiatioII Control Prograns IRIDIUM 192 AND YTTERBlUM 100 Emergency Procedures ^
6)
Direct the Radiographer to rope off the area where the source was last seen to protect any evidence.
7)
Interrupt the emergency action at this point to perform the required notifications.
8)
Report immediately by telephone, followed by confirming letter, to:
Department of flealth Radiologic Health Section 714
'P" Street Sacramento, CA 95814 Telephone (916) 322-2073 9)
Determine the need for additional personnel and/or technical assistance during the planning stage at the site.
If extensive delays will occur, plan for continuous surveillance of the area.
10)
Review the radjation history of each trained person who is available to casist in recovery.
11)
Establish a written step-by-step procedure for recovery.
12)
Review the procedure in detail, with the person who will perform the recovery (Itecoveror ).
Asnure the timon nre realistic.
Any changes in times will require recalculation of the exposure.
llave the Recoveror read the procedure to the RCO for proofing.
13)
The procedure shall be followed exactly.
Changes will be made only by the RCO.
14)
Upon elimination of the emergency, proceed with Post Emergency Action per paragraph
- 3. 4.
3.3.3.3 Emergency Procedure for Facility or Area Fire a)
Determine if the source is exposed.
If it is exposed, can it be safely secured and removed from the danger aren?
b)
Determine the location of the fire with relation to the source.
c)
Determine if personnel are clear of the exposure area.
d)
Petermine if personnel are in danger of receiving further exposure.
I i
b
Radiation Control Prograni IRIDIUM 192 AND YTTERBlUM 109 Emergency Procedures e)
Assure that the fire crew and facility supervision have been warned of the radiation hazard, f)
Determine if the radiation area is posted.
g)
Determine if the radiation area can be maintained under surveillance.
h)
Determine if any personnel were injured.
1)
Determine which pernonnel with radiation training are available at or near the site.
j)
Determine _the radiation exposure of personnel involved.
k)
Determine the dosimeter reading for each person involved.
1)
Determine the nuclide and S/H of the source to establish the specific activity.
m)
If the condition is a Type I incident, interrupt the emergency action at this point to perform the required notifications.
n)
Report immediately by telephone, followed by confirming letter, to Department of ilealth Itndiologic Ilenith Section 714
'P" Street Sacramento, CA 95814 Telephones (916) 322-2D73 o)
Verify the source location if known, or direct that its location be determined by triangulation as explained in Figure 3.
p)
Direct the radiation area posting be corrected, if necessary, and the high radiation area be posted.
q)
Determine the availability.of chielding which may be used to minimize exposure during recovery.
r)
Determine the need for additional personnel and/or technical soolotence during the planning stage and at the site.
If extensive delays will occur, plan for continuoua surveillance of the area.
s)
Determine the method of recovery which will produce the minimum exposure to the personnel.
t)
!!eview the radiation history of each trained person who is available to assist in l
recovery.
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Radiation Control Prograni -
IRIDIUM 192 AND YTTERBlUM 169 Eniergency Pr ocedures i
the maximum allowable time for each step (Retreat Time) which will take place within the Radiation or High Radiat;un Area.
v)
Calculate the personnel exposure for each step and determine the need for new film badges prior to recovery.
v)
Review the procedure in detail, with the persen who will perform the recovery (Recoveror).
Assure the times are realistic.
Any changes in these times will require recalculation of the exposure.
Have the Recoveror read the procedure to the RCD for proofireg.
x)
The Recoveror shall assign a responsible person as Timekeeper.
The RCO shall verify that the Timekeeper understands each step of the procedure and the importance of the
" Retreat Time."
y)
The RCO shall maintain direct supervision throughout the recovery.
an.
The procedure shall be followed exactly.
The Timekeeper shall immediately notify the Recoveror if the Retreat Time of s step has been reached.
The Recoveror shall then immediately leave the Radiation area and report to the RCO for further instructions.
bb.
Upon elimination of the emergency, proceed with Poot Emergency Action per paragraph 3.4.
I 1
- J Rad 58tioll Co11tt ol Ps ogt'at:1-IRIDIUM 192 AND YTTERBlUM 109 Einergency Procedur'es 3.3.3.4 Handling the Emergency Involving Radioactive Material Being Transported i
3.3.3.4.1 Introduction - This procedure is your instruction for handling an emergency involving a radioactive source.
Follow "The Four Key Steps."
The Radiation Control Officer (RCO) vill provide step-by-step procedure for elimination of the emergency.
The objective of this plan la to minimize the radiation exposure of all personnel i
involved.
3.3.3.4.2 Application - These instructions apply to I
all field and laboratory operations of LMSC.
3.3.3.4.3 Responsibility - The Radiographer who haa been assigned the equipment la responsible j
for the emergency action.
The Assistant Radiographer shall follow the instructions of the Radiographer.
3.3.3.4.4 Emergency - An emergency is a condition or potential condition chich may cause one of the following:
3.3.3.4.4.1 Over-exposure or potential over-exposure of any person in exceaa of the regulations.
3.3.3.4.4.2 Malfunctioning, damage, stolen, or missing exposure device.
3.3.3.4.4.3 Malfunctioning, damage, stolen, or missing survey 1'atrument.
n 3.3.3.4.4.4 Yehicle accidents, fires, or other relative situations.
3,
.3.4.5 Radiographer's Action - Follow the instruction listed below.
"THE FOUR KEY STEPS" l
Step 1
- Annure all personnel are clear of radiation area.
1
O
! RadiatioII Control Prograin l
l lRIDIUM 192 AND YTTERBlUM 100 Emergency Procedures Step 2
- Survey and poot the area with
" Caution--Itadiation Area" signe referring to the procedure in Section 6 (Posting the Area).
In the event the survey instrument is damaged or malfunctioning, the procedure described in paragraph 4.2 (Preliminary Control) shall be followed and maintained.
lio l
one shall be allowed to enter this area until the location of the sealed source l
has been determined by the radiographer.
The safe position of the sealed source shall be determined by securing an operable survey instrument.
I Step 3
- Maintain surveillance of the area j
until you can be relieved by a responsible person.
Emphasize to your i
relief the importance of keeping all persons out of the posted area.
Step 4
- Contact the RCO for further i
instructions.
Call the telephone i
number at (408) 743-1400 DAY, or (408) 244-3358 HIGilT.
If no answer call (408) 742-3536.
Du fl0T PROCEED WITHOUT SPECIFIC INSTHUCT10llS Filutt THE RCO.
The HC0 will ask questions about the emergency to determine the safest method of correction.
Carefully follow his instructions.
3.3.3.4.6 Personnel Involved - Personnel involved in the emergency are barred from further work with, or around radioactive sources until released by the RCO.
3.3.3.4.7 Equipment Involved - Equipment which may have been damaged as a result of the emergency shall not be used until released I
by the RCO.
t 3.3.3.4.8 Locating a Lost Source in the event a source should become lost, immediately secures the suspected area of the loan by barricades, ropes and/or guarda, to prevent overexposure.
Immediately notify the RCO.
The RCO vill direct all attempts to recover nn n_n o-n--
/
Radiation Control ProgratII IRIDIUM 192 AND Y T T.E R B l U M. '10 9 Einergency Procedures 3.3.3.4.9 In the event that the vehicle is used for storage, a survey must be conducted te ensure that rao.stion levels are less than 2mR/hr at a distance of 18 inches from the surface of the vehicle.
Also, if the vehicle is used for storage, it shall be posted with " Caution-Radioactive Haterial' signs.
- 3. 4 Post Emergency Action 3.4.1 Film badges of all personnel involved shall be processed on en expedited basis.
Exposed personnel are barred from potential radiation exposure assignments until the results of the film bacyet are available and the personnel involved are released by the RCO.
3.4.2 Equipment that may have been damnged during the incident shall be removed from service until an inspection, maintenance and calibration (if required) has been performed to the satisfaction of the RCO.
3.4.3 Notily the LHSC personnel of the status in all cases involving personnel ex;,osure.
'r'.
Radiation Control Prograns
~
IRIDIUM 192 AND YTTERBlUM 109 Einergency Procedures 3.4.4 Obtain and implement formal corrective action for all radiation emergencies.
3.4.5 The RCO prepares and submits to the Department of Health a complete written report of Type I and II incidents within five days.
- 3. 5 Personnel History Records 3.5.1 The RCO shall make a reasonable effort to obtain any previous radiation history of each new individual who will be involved with the Radiation Control Program.
3.5.2 The RCO is responsible for assuring Form Ril2364 is posted
.in each working area.
3.5.3 The RCO shall maintain whole body dose records (Form Hil2365) after termination of training.
3,6 Emergency Records Complete records of radiation emergencies will be maintained by the RCD.
8 9
i
paalation Control Program Maintenance Procedures
\\
1.
DBJECiIVE
' Provide safe operating equipinent and assure sealed sources are controlled 2.
APPLIC0110N NDT equipinent of the types listed below.
2.1 Sealed cources
- 2. 2 Exposure devices
- 2. 3 Survey eneters
- 2. 4 Personnel dositneters 3.
if30CEDURES Equipinent shall be inaintained in good condition by periodic inspection, i
routine calibration or functional test.
3.1 A inaintenance calibratiori label placed on the eauipinent will identify the date for the next servicing.
CAllbRATED UN ___
INS 1RUl4ENT #
COLIBRATED BY _ _____ ______
NEXT CAllB11ATION ___________
1
- 3. 2 Sealed Source 3.2.1 Leak testing will be perforened every six (6) rnonths or af ter any equipinent accident that could have darnaged the projector.
The leak test will be perfortned in accordance with the "Lenk Testing'i procedures incorporated in the Radiation Control Prograin.
3.2.2 Quarterly Inventory I
3.2.2.1 Guarterly physical inventories of scaled sources will be conducted by the RCO.
Forta RCP 2804. So* tree Quarterly Inventory will be cornpleted.
?)autation Control Program i
1 l
Maintenance Procedures 1
3.2.2.2 Any sources which cannot be accounted for constitute a Type ! Incident requiring irnrnediate action per the Ernergency Procedure.
- 3. 3 Exposure Device 3.3.1 Daily inspections will be conducted by the Radiographer per the instruction of Foran RCP 2002 and Foran RCP 2002A entitled, " Daily Physical Irispections of Radiographic Exposure Devices" each day Radiography in perfortned.
3.3.2 Quarterly inspection will be conducted by the Radiographer per the instructions on Forrn RCP 2803 and Forrn RCP 2803A entitled, " Quarterly Physical Inspections of Radiographic Exposure Devices".
3.3.3 Special Inspection.
Inspections will be conducted in accordance with 3.3.2 whenever equiprnent has been sqbjected i
to severe stress or darnage (dropping or subraersion in water).
Exposure devices involved in ernergencies will be inspected by the RCO.
The report shall be identified "Special Innpectlon" and include a description of the abriorinal si t uat ion encountered.
3.3.4 Field 3.3.4.1 Servicing of the equipenent to correct ininor deficiencies uncovered by the daily inspections rnay be perforrned by the Radiogt apher except when abnorinal radiation levels are involved.
3.3.4.2 Units which show abnorraal. radiation will be irarnediately reinoved frota service and the RCO contacted.
)
- 3. 3. 5 Source Replace nent Iridiurn 192 l
3.3.5.1 Maintenance and required overhaul will be perforrned prior to installation of each new source by Technical Operations, Inc.
s.
.naulation Control Program
~
Maintenance Procedures 3.3.5.2 Prrjector snodel 865 will be returned to Technical Operations, Inc. for overhaul and source enanges.
- 3. 3. 5. 3 Source Replaceraent - Upon receiving Ir*
forrn Technical Operations, Inc.:
3.3.5.3.1 Survey shipping container for excessive radiation.
If radiation at one (1) roe t er f roid surface of shippinD container is in excess of 10 tor /hr secure area and contact Technical Operations, Inc., for specific instructions.
NOTE:
D__0. NOT unpack this device except in the presence of appropriate roeusuring instrurdents.
3.3.5.3.2 Inspect exterior and interior contents for shipping darnage, inventory contents.
t
- 3. 3. 5. 4 Gealed sources within exposure devices are to be replaced only by Technical Operations, Inc. at their facilitien.
3.3.6 Source Replacerneret Ytterbiurn 167 3.3.6.1 Maintenance and any required overhaul will be perforrned prior to installation of each new source by Isotope Products Inc.
- 3. 3. 6. 2 The Ytterbiurn 169 radiography exposure device will be returned to Isotope Products Inc., for source changes.
3.3.6.3 Upon receiving Ytterbiura 169 radiographic exposure device frord Isotope Productu inc.
3.3.6.3.1 Survey' shipping container for excessive radiation.
If radiation at one (1) roeter frota l
surface of shipping is in exceus of 10 inr/hr l
secure area and contact Isotope Products Inc. for specific instructions.
,.;\\ ',
.h>aulanuts Control Prograin Maintenance Procedures NOTE:
p_0 NOT unpack this device except in presence of appropriate raeasuring instrurnents.
3.3.5.3.2 Inspect exterior and interior contents for shipping darnage, inventory contents.
3.3.6.4 Sealed sources within exposure devices are to be replaced only by Isotope Products, Inc., at their facilities.
- 3. 4 Survey Instrutnents - Personnel Dositaeters Maintenance will be perforened as required prior to each calibration and af ter darnage or rdalfunction.
The raaintenance of survey instruraents arid personnel dosianeters will be perfortaed ty the Radiation Control Prograra Office.
i a
DAILY PHYSICAL INSPECTION OF IRIDIUM 192 l
RADIOGRAPHIC EXPOSURE DEVICE The following inspection of expocure devices, including auxiliary devices shall l
be accoraplished each day radiography is perforrded by the radiographer:
1.
Inspection by:
Titles Date: _______________________ Tirae:
2.
Locations (Address)
Facility:
Bldg.: __
____ Coluran: _
3.
Device Manufacturer _ _ _ _ _
4.
Device Model Nuraber:
S.
Device Serial Nuraber _______ _ _
9equires i
Satisfactory Repair E.
Check the operation of the survey raeter and check to assure that the source is properly stored by raeasuring the radiation intensity at the surface of the device.
This radiation level should not exceed 200 raR/hr if the oevice is loaded to capacity.
7.
Inspect the entire lengt h of each control hose to assure that car;n section is free frora cuts, dents and daraage.
8.
Inspect the end fittihgs to assure that they are tightly connected.
Check the threads on I
the fitt ings for darnage.
9.
During the first exposure of the shift,' check the operation of the source asserably and source position indicator, If operation is difficult or unusual, return the source to the stored position, and survey the equipraent according to the Operating Instructions.
The systera raust be services before further operation.
j 1
l l
Signature RCP Form P809
--___-.--__-------------.----_-a
QU.ARTERL THY $ID"XI_ INSPECTION OF IRIDIUM 192
. RADIOGRAPHIC EXPOSURE DEVICE The following inspection of exposure devices, including auxiliary devices shall be accoraplished each day radiography is perforraad by the Radiographer:
1.
Inspection by:
Title:
Date: _ _ _ _ _ _ _ _ __ _ _ _ _ _ _ __ _ _ _ _ _ _ _ _ _ T i ra e : _ _ _ _ _., _ _ _ _ _ _
= _ _,, _,, _ _ _ _ _ _ _ _ _ _ _
2.
Location: (Address)
Facility:
____ Bldg _
Col uran:
3.
Device Manufacturer:
4.
Device Model Nuraber:
_=
5.
Device Serial Nuraber: _. _ _
= _ _ _ _ _ _ _
Requires Satisfactory Repair 6.
Proper operation of the chutter raechanista, e.g.,
shutter closes corapletely - shutter cable ana plunger actuates sracothly.
7.
Dasaage which raay irapair operation of the source.
~
8.
Proper labellin;1 of the source.
9.
Proper operation of safety closure locking raechanicra.
10.
Any raalfunction shall be reported to the Hadiat ion Control Of ficer irarnediately.
Signed a
l l
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Radiation Control Program Corrective Action
~-
CollRECTIVE ACTION i
RCO DATE
_ Systems, facilities, and equipment audit (RCP form 2806)
_ Personnel Audit (RCP form 2805) Employee Employee #
This corrective action form is used for area (s) of noncompliance noted on audit (checked above) conducted on date Item #
Remarks Corrective Action Taken Date completed Item #
Remarks Corrective Action Taken i
Date completed Item #
Remarks Corrective Action Taken Date completed Item #
Remarks Corrective Action Taken Date completed _
Item #
Remarks Corrective Action Taken Date completed The above iten(s) of noncompliance will be completed, by responsible employee, on er be."',.-a tnis date Signature Date Distribution:
RCO Responsible Employee Manager of Employee RCP Form 2807
Radiation Control Program Facilities and Equipment Audit PACILITIES AND EQUIPMENT AUDIT AUDITOR DATE 1.
Radiation Safety Program on file a.
State License Amendment No, b.
Available for personnel to review c.
Operating and Emergency Procedures available 2.
Radiation safety meeting held at this location n.
Ilow often nre these meetings?
b.
All personnel present?
c.
Records of attendance available?
3 Rules and regulations posted a.
State b.
Emergency phone numbers posted?
4.
Radiation areas adequately controlled and posted a.
Radiation areas b.
Iligh radiation areas c.
Storage areas 5.
Radiation Safety logs and survey records maintained I
a.
Radiation Safety Survey Reports daily (RCP form 2802) b.
Film Badge reports c.
Quarterly Inventory (RCP form 2804) d.
Leak Test certificates e.
Survey meter calibration 6.
Survey maters hnvo current enlibration 7
Radiographer know the proper steps to.be taken in case of an emergency?
8.
Monitoring devices sing properly operated and/or used by personnel in radiation areas?
a.
Film Badges b.
Dosimeters c.
Survey Meters d.
Dosimeter Charger RCP Fonn 2006
- 1 i
Radiation Control Program l
Facilities and Equipment Audit
~
9 All radiographic exposure equipment properly maintained.
a.
Inspected prior to use b.
Properly labeled c.
Qualified personnel using exposure devices d.
Exposure devices placed in storage areas when not in use e.
Surveys made after each exposure f.
Equipment Condition g.
Operating properly 10.
Radiographer have been instructed in the proper use, handling and control of material and equipment per Operating and Emergency Procedures REMARKS I
No items of noncompliance nor unsafe conditions found.
Areas of noncompliance found as follows:
(1)
(3)
(5)
(7)
(9)
(2)
(4)
(6)
(8)
(10)
Audit Conducted By Copies to:
Radiation Control Officer Manager of Facility Corrective action form (RCP form 2807) for areas of noncompliance issued on date Date corrective action returned to RCO RCP Ferm 2006
[
ATTACllMENT F 9
Radiation Control Program l
l Personnel Audit 7
PERSONNEL AUDIT l
AUDITOR DATE l
EMPLOYEE NAME EMPLOYEE NO.
Radiographer Assis tant Radiographer 1.
Copy of employee's radiation safety certification on file for current level held 2.
Radiation Safety manual and operating and emergency procedure, n.
Is a radiation safety manual available to employee b.
Has he reviewed the manual c.
Does employee have a copy of the operating and emergency procedure d.
Has he reviewed the procedure and understand its content 3
Radiation safety meetings.
I a.
Has he had recent review of safety procedures by Radiation Control Program Office i
b.
Has employee been instructed in the proper use, handling and control of material and equipment per safety manual and operating and emergency procedure 4.
Handling the emergency.
a.
Does employee know who to contact in case of emergency?
(1)
If film badge or dosimeter is missing?
(2)
If dosimeter goes off scale?
b.
Does employee know the four key steps to be taken in case of an emergency?
c.
Does employee know the. conditions which will cause emergency action to be taken?
5 Radiation safety logs and survey records, n.
Is employee completing radiation safety reports daily (RCP form 2802) 6.
Monitoring devices used by individuals.
a.
Does the employee have on person current film badge b.
Does the employee have on person a dosimeter c.
Does the employee use a survey meter when using exposure devices d.
Does the employee show the proper use and handling of the above items aRCP Form 2BCS
_m._____
Radiation Control Program Personnel Audit 7.
Employee in radiation areas.
a.
Radiation areas adequately established and posted b.
High radiation aren posted c.
Continuous surveillance of areas conducted d.
All radiation areas established according to operating and emergency procedure?
8.
Radiographic exposure equipment, n.
Employee inspect exposure device prior to use b.
Survey performed prior to removal from storage c.
Surveys made after each exposure l
d.
Equipment being operated in accordance with the operating and emergency procedure REMARKS I
l No items of noncompliance by' employee or unsafe conditions found Areas of noncompliance found as follows:
(1)
(3)
(5)
(7)
(2)
(4)
(6)
(8)
Audit Conducted By Employee Copies to:
Radiation Control Officer Employee Manager of Employee Corrective action form (RCP form 2807) for areas of noncompliance issued on date Date corrective action returned to RCO 2-RCP Form 2B05
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ - _. _