ML19259A980
| ML19259A980 | |
| Person / Time | |
|---|---|
| Site: | 07100260 |
| Issue date: | 12/28/1978 |
| From: | ASTROTECH, INC. |
| To: | |
| References | |
| 11649, NUDOCS 7901150155 | |
| Download: ML19259A980 (11) | |
Text
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s Y-INTRODUCTION This procedure is to be followed whenever approved radiographic caseras or source changers are to be transported cutside the confines of AST20TZCH 150. facilities. These procedures are for ersnaportation of only radiographic cameras and source changers containing encapsulated sealed ga==a emitters which the =anufacturers have assured co=pliance cnd approval under Title 10, Chapter 1, Part 71. Transportation of ra-dioactive materials under these procedures shall be only by trained and qualified personnel and of compliance with these procedures each tice transportation of radioactive materials outside our facilities occurs. It is the purpose of these procedures to assure safety in transporting of radioactive caterials and to retain a record of compliance with them. k Aw-s
e e d ORGANIZATIONAI, STRUCTURE a f 4 i .i t President t f Vice President t Radiation Safety Officer 'T x a Assistant Radiation Safety Officer J Radiographers Assistant k Radiographers Trainees Other Approved Transporters ~ 9
4 7.. m, M IES AND RESPONSI3ILITIES President: Overall control and responsibility. Vice-President: Responsible for general operations. Reports directly to President. Radiation Safety Officer: Responsible for radiation safety, scfety training, quality assurance program and record keeping. Performs quarterly maintenance and field audits. Reports directly to President. Assistant Radiation Safety Officer: Directly responsible for radiation safety, safety training, quality assurance program and record keeping. Performs quarterly maintenance and field audits. Reports to Radiation Safety Officer. ,p NL1 Radiographers: Responsible for field transporting of radioactive materials and radiographic operations. Reports to Vice-President of operations. Reports to Radiation Safety Officer or his assistant concern-ing radiation safety and quality assurance program. Assistant Radiographers: Performs radiography under direction of radio-grapher. Reports to radiographer. Reports to Radiation Safety Officer or his assistant concern-ing radiation safety. Other Approved Transporters: Responsible to his own quality assurance program head and to our Radiation safety Officer or his assistant. Astrotech Inc. as licensee retains responsibility for the quality assurance program, f. ,eg ,%g p,.,..i 1y. gesu.me %* e
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( W A. QUALITY ASSURANCE PRCO2AM 1. Radiographic casacas and source changers shall be those l'isted below, with approval of design, fabrication, assembly, testing, repairs, modifications and limited maintenance to be provided by the manufacturer of the device: I .i Radioactive Maximum Manufacturer Model # Type of Device Material Strength Aut'omation Industries 403A Exposure Device Iridium 192 30 ci 100A Exposure Device Iridium 192 ~100 ci 52B Exposure Device Cobalt 60 30 ci f 9 1.1 Radiographic cameras and source changers shall be leak tested by T qualified personnel at least once every 6 months and a record of this leak test shall be kept on file at Astrotech's office. w 1.2 An operational equipment check shall be performad each time the unit is utilized and a record of this check will be recorded on our Radiation Report. A Radi.. tion Report containing an equip =ent check satisfact'ory item and a space for remarks of any wear, damage or change in operating characteristics is attached. t 1.3 Only properly trained gnd qualified personnel will be permitted to transport radioactive materials outside the ccnfines of our facility in accordance with,these procedures: Qualified personnel include properly trained and qualified a. Radiation Safety Officers b. Radio 3raphers c. Assistant Radiographers d. Transport Company Personnel (Other than outside transport companies all personnel will be formally trained and examined by the Radiation Safety Officer or his assistant.) 9
kimrza:zxc. s RADIATION SURV3Y Device No.:. Sourco No.: Date CHECK LIST TO BE COMPLETED PR OR TO PERFORM:NG ANY RAD'OGRAPHIC EXPOSURE YES NO
- 1. Connectors on Source Tube O
O
- 2. Connectors on Source Drive Cable.
O O
- 3. Presence of Front and Back Housing Plugs O
O 4. Proper Operation of Source Position Indicator O O
- 5. Source Drive Cable Connector (Hook)
O O
- 6. Check Source Tube for Wear Damage O
O 7. Check for Wear or Damage to Cable Drive Gear Box O O S. Proper Operation of Locking Mechanism O O
- 9. Any Damage to the Device.
O O ( REMARKS: (if "No" is Checked, Describe the Damage)..... Client .... Job No. Strength of Source. . No. of Exposures.. Total Exposure Time Survey Instrument . Model Calibration Date SURVEYS and SKETCH OF RESTRICTED AREA (SHOW SKETCH ON REVERSE SIDE) (Show Readings in MR/hr and Distance in Feet from Source) Rad:o;rapher: Dosimeter Reading Assistant: Dosimeter Reading Reading at Surface of Exposure Device r Beginning of Shift Before and After Lunch End of Shift s I certify that my Exposure Device was surveyed after each exposure and in the off/or shielded position as ir.dicated above. Signature
Y% 1.4 Radioactive materials may only be transported in a vehic1'c Which meets all D.O.T., State, and applicabic municipal standards for saf'ety, acceptable radiation levels to driver and outside of vehicle, and proper placarding in accordance with D.O.T. requirements. 1.5 If a transporting company is to be used, it must be a qualified carrier of radioactive materials, must have approved quality assurance program for transporting radioactive materials, and must meet' all requiregents established in these procedures to the satisfaction of Astrotech, Inc. 's Radiation Safety Officer or his assistant. I e 1.6 When transporting radioactive materials outside the confines of our facilities for industrial radiography in our own vehicles, the following checks for radiographic devices shall be followed: 1 2. Movement of Radiographic Devices 2.1 Devices shall be checked; using a survey meter by a radiographer prior to removal from any storage area. 2.2 A radiographer or radiographer's assistant shall be in constant attendance during movement. 2.3 No device shall be moved!unless it is locked, and all safety plugs are inserted, t 2.4 In-plant transportation can be accomplished by the use of handcarts or company v'ehicles. Portable exposure devices are to be hand-carried long distances since relatively high not radiation levels of ten exist at the surfaces of these devices. Any transporting vehicle must be clearly marked " RADIOACTIVE" in accordance with D.O.T. requirements. 2.5 Transportation to field sites or other plant sites must be accomplished in a company vehicle clearly posted with " Radio-active" s' igns in accordance with part 1.4 of this manual. The exposure device must be secured inside the vehicle so as to limit bouncing or other movement. The outer surfaces of the vehicle must be surveyed to assure that radiation levels do not-exceed 2 mr/hr and lead or other shielding added if necessary to reduce radiation t.o this level. The shielding must also be secured. The passenger compartment shall be surveyed in accordance with section 1.4
2.6 Radioactive material must never be transport'ed outside of our plant property unless it is accompanied by a radiographer, The radiographer may, accompany the ship =ent in a separate vehicle providing a person who qualifies as a radiographer's assistant rides in the transporting vehicle. 2.7 The following equipmant must be packed in the transporting vehicle prior to departing for a field exposure site: a. ASTROTECH INC. Operating and E=argency Procedures Manual b. Operable survey mater that has been calibrated within 90 days. 'c. At least 300 foot coil of rope. d. At least eight " CAUTION-RADIATION AREA" signs. e. At least three " CAUTION-HICH RADIATION AREA" signs. f. Radiation Report pad, g. The exposure device and all related cables. h. Road flares or reflectors.
- i. Radioactive M9terials License.
- j. At least 2 shielding sheets.
P 2.8 Before transporting byproduct material out of the plant property appropriate personnel at the destination must be notified of the starting time, route to be followed and expected arrival time. They are to be instructed to notify civil authorities if it does not arrive within 2 hours of expected time of arrival. The driver will notify these persons if he encounters unexpected delays, and provide them with a revised expected arrival time. e 3. In case of any accident involving a vehicle transporting radioactive materials, the following ecgrgency procedures should be followe?. s 3.1 In the event of a vehicular accident involving byproduc't material, while traveling to an exposure site, a restricted area must be established restricting any unauthorized personnel from entering any a,rea where the radiation exceeds 2 cr/hr. 3.2 If the survey meter is operable, use it to establish the peri =cter of the restricted area. 3.3 If the survey meter is inoperable use calculations to establish-the perimeter of the restricted area, assuming that the sobree is in the exposed position inside the vehicle. In the case of a minor accident where it can be visually determined that the source is safely stored in its container, no restriction of areas is required.
3.4 If the survey meter is operable and no radiation hazard exists and the vehicle is movable, continue. 3.5 In any case, ic=ediately af ter establishing the restricted area, notify the supervisor, who will notify the local civil' authorities if necessary.. 4 Notification and Reports of Incidents to NRC 4.1, Radiation Safety Officer shall notify NRC by telephone or telegraph in accordance with 20.402 and 20.403 of Part 20, when applicable. 4.2 Radiation Safety Officer shall no'tify NRC in writing within 30 days in accordance with 20.405 of Part 20, when applicable. I e 5. Handling Storace and Shipping (IL .5.1 Safe handling will be in accordance with precedures set forth in the Quality Assurance Program described in these procedures. 5.2 Storage will be at our facility following all safety procedures described in these procedures. In addition the area in which radioactive caterials are stored will be locked suc~.t tha t no unauthorized removal of radioactive materials may occur. The area will be kept to acceptable radiation limits such that no unauthorized personnel cay receive in excess of 2 =r/hr. Als o the area will be prop,erly posted in accordance with NRC requirements. s .3 Shipping will be in accordance with all requirements of the Quality Assurance Program described in these procedures. 5.4 shipments will not be made unless all requirements of these procedures have been cet and records will be available as describ'ed herein. B =r 6. If during operations return of the unit to Astrotech Inc. for storage. 1 is impractical, the following procedures are' to be followed: 6.1 Exposure devices shall be properly locked with storage plugs in the_. front and rear.
6.2 Survey the device to assure that the source is in its safe shielded condition and record the results. ~ 6.3 Place inside vehicles shielded container so as not to da= age the device, the device lock, or the front or rear cable reonnection points. 6.4 Lock the shielded container. 6.5 Survey the shielded container to assure. safe radiation levels and recor.d the results. a '6.6 Lock the portion of the vehicJe containing the shielded container. 6.7 sMake certain that the vehicle is parked in a safe manner. f 6.8 Lock truck cab to assure unauthorized operation of the vehicle. 6.9 Make certain that Radioactive signs are visible on four sides of the vehicle. 6.10 If during any vehicular. storage any type of accident or illegal entry is evident involving the vehicle notify office and the Radiation Safety Officer immediately. 6.11 The storage box will provide sufficient permanent shielding for Ir-192 (100 ci) such that the radiation levels in the cab and at n i the outside surfaces of' the vehicle comply with D.O.T. limits. 6.12 Only radiographers will be responsible for the vehicle. 6.13 Records at the office will reflect accurately which man has which device at all times.
- 6. 14 Cobalt-60 souaces will no be stored in the vehicles overnight under any circumstances.
i s 3. DOCUMENTS AND CONTROL 1. Records will be kept on our Radiation Report Form which will include the following information: date, type of source, activity of source, model and serial number of exposure device, serial number of: sealed
- source, model and serial number of survey instrument used, record of physical survey of source container, radiographer's ncte, dosimeter serial number and, reading, radiographer's film badge number, equipment checked satisfactory or remarks, and truck survey maximum reading in mr/hr. Radiation Safety Officer will be responsible for maintenance,
7; of these records. e
2. Inspection test and operating status by the Radiation Safety Office: will be conducted as follows, and a record of this inspection will be maintained. Inspection test and operating status by Radiation Safety Officer: 2.1 Interval - Radiography equipment will be inspected by the Radiation Safety Officer during the quarterly inventory, or at a more appropriate time, but at intervals not to exceed three months. A special, non-routine, inspeccion will be performed at any time that the equipment is subjected to unusual stress or is operating improperly through abuse, wear, or corrosion. 2.2 Items to be checked - An inspection of all moving parts and components critical to radiation safety should be checked for any defec ts or excessive wear which may cause a malfunction during operation. Ite=s to be checked should include the following: a. Drive Cables b. Source guide tubes c. All connectors (source ond cables) d. Source position indicators ,rs e. Locking mechanism Q[ f. System interlocks g. Proper labeling h. Cable drive gear box 1. Any chafing or binding during operation J. Shielding defects (cracks) k. All cables and unit completely cleaned and lubricated and any worn or damaged parts replaced. 3. Maintenance by Radiation Safety Officer 3.1 Corrective Actions - Any component critical to the safe operation of the radiography equipment which is found defective, excessively worn, or in poor operating condition, will cause the equipment to be ic=adiately removed from service until the equipment is restored to safe operating condition by repair or replacement of the component. 3.2 All inspection test, operating status and corrective actions by the Radiation Safety Officer will be recorded and records =aintained by the Radia tion Safe ty Officer. .T s
/ L 4 All quality assurance records including training and qualification of parsonnal in these prodedures will bc =sintained by the Radiation Safety Officer for a period of no less than 5 years. 5. Audits will be performad on personnel, field operations, radioactive materials equip = ant vehicle safety regarding radioactive materials transporting, safe handling and storage and overall radiation safety by the Radiation Safety Of ficer or his assistant, at in:ervals as deezad necessary by the Radiation Safety Officer but not to exceed , 90 days. A record wil'1 be Sade of this audit and these records will be maintained by the Radiat'.on Safe,ty Officer. Audit reports will be evaluated and any areas found deficient will be corrected prior to reu,se' or shipmant of equip = ant as necessary. 6. Any' quality assurance program or record form revisions will be submitted for approval prior to incorporation into working procedures. A record of all revisions will be recorded on the revision sheet of this manual, f e e i N O 9 4 4 e}}