|
|
|
Appendix G:
ARTICLE 9. RADIATION SAFETY REQUIREMENTS FOR PARTICLE
ACCELERATORS
R12-1-901. Purpose and Scope
- This Article establishes procedures and requirements for the
registration and the use of particle accelerators.
- In addition to the requirements of this Article, all
registrants are subject to the requirements of Articles 1, 2, 4,
and 10. Registrants engaged in industrial radiographic
operations are subject to the requirements of Article 5, and
registrants engaged in the healing arts are subject to the
requirements of Article 6 of these rules. Registrants engaged in
the use or production of radioactive material are subject to the
requirements of Article 3.
Historical Note
Former Rule Section I.1; Former Section R12-1-901 repealed, new
Section R12-1-901 adopted effective June 30, 1977 (Supp. 77-3).
Amended effective June 13, 1997 (Supp. 97-2). R12-1-902. Repealed
Historical Note
Former Rule Section I.2; Former Section R12-1-902 repealed, new
Section R12-1-902 adopted effective June 30, 1977 (Supp. 77-3).
Amended effective June 13, 1997 (Supp. 97-2). Section repealed by
final rulemaking at 5 A.A.R. 1817, effective May 12, 1999 (Supp.
99-2). R12-1-903. General Requirements for the Issuance of a
Registration for Particle Accelerators
- The requirements in this section supplement the registration
requirements in 12 A.A.C. 1, Article 2.
- The Agency shall approve a registration application for use
of a particle accelerator only if the Agency determines that:
- The applicant is qualified by training and experience to
use the accelerator for the purpose requested according to
this Article, and Articles 4 and 10, of these rules to
minimize danger to public health or property;
- The applicant's proposed equipment, facilities, operating,
and emergency procedures are adequate to protect health and
minimize danger to public health and safety or property;
- The issuance of the registration will not be inimical to
the health and safety of the public, and the applicant
satisfies any applicable special requirement in R12-1-904;
- The applicant has appointed a radiation safety officer;
- The applicant's staff has substantial experience in the
use of particle accelerators for the intended uses; and
- The applicant has an adequate training program for
particle accelerator operators.
Historical Note
Former Rule Section I.3; Former Section R12-1-903 repealed, new
Section R12-1-903 adopted effective June 30, 1977 (Supp. 77-3).
Amended effective Aug. 8, 1986 (Supp. 86-4). Amended effective
June 13, 1997 (Supp. 97-2). Amended by final rulemaking at 5
A.A.R. 1817, effective May 12, 1999 (Supp. 99-2). R12-1-904.
Special Registration Requirements for Medical Use of Particle
Accelerators
- The requirements in this Section supplement the registration
requirements in R12-1-903.
- An applicant that is a "medical institution", as defined in
12 A.A.C. 1, Article 7, and performing human research shall
appoint a radiation safety committee, meeting the requirements
in R12-1-706.
- The applicant shall ensure that an individual designated as
an authorized user on the application is an Arizona licensed
physician; approved by the radiation safety committee, if
applicable; and is:
- Certified in:
- Radiology, therapeutic radiology, or radiation oncology
by the American Board of Radiology; or
- Radiation oncology by the American Osteopathic Board of
Radiology; or
- Radiology, with specialization in radiotherapy, as a
British "Fellow of the Faculty of Radiology" or "Fellow of
the Royal College of Radiology"; or
- Therapeutic radiology by the Canadian Royal College of
Physicians and Surgeons; or
- Engaged in the active practice of therapeutic radiology,
and has completed 200 hours of instruction in basic techniques
applicable to the use of a particle accelerator, 500 hours of
supervised work experience, and a minimum of 3 years of
supervised clinical experience.
- To satisfy the requirement for instruction, the
classroom and laboratory training shall include all of the
following subjects.
- Radiation physics and instrumentation;
- Radiation protection;
- Mathematics pertaining to the use and measurement of
radiotherapy; and
- Radiation biology.
- To satisfy the requirement for supervised work
experience, training shall occur under the supervision of an
authorized user at a medical institution and shall include:
- Reviewing full calibration measurements and periodic
spot checks;
- Preparing treatment plans and calculating treatment
times;
- Using administrative controls to prevent
misadministration;
- Implementing emergency procedures to be followed in
the event of the abnormal operation of a particle
accelerator; and
- Checking and using survey meters.
- To satisfy the requirement for a period of supervised
clinical experience, training shall include 1 year in a
formal training program approved by the Residency Review
Committee for Radiology of the Accreditation Council for
Graduate Medical Education or the Committee on Postdoctoral
Training of the American Osteopathic Association and an
additional 2 years of clinical experience in therapeutic
radiology under the supervision of an authorized user at a
medical institution. The supervised clinical experience
shall include:
- Examining individuals and reviewing their case
histories to determine their suitability for treatment,
noting any limitations or contraindications;
- Selecting the proper dose and how it is to be
administered;
- Calculating the therapy doses and collaborating with
the authorized user in the review of patients' or human
research subjects' progress and consideration of the need
to modify originally prescribed doses, as warranted by
patients' or human research subjects' reaction to
radiation; and
- Post-administration follow up and review of case
histories.
- Therapeutic radiology by the Canadian Royal College of
Physicians and Surgeons; or
- With the application the applicant shall provide the name of
each authorized user, and the training and experience that
satisfies the requirements in subsection (C).
- Each licensee shall establish and maintain a written quality
management program to provide high confidence the radiation
produced by the particle accelerator will be administered as
directed by an authorized user. The quality management program
shall include written policies and procedures to meet the
specific patient safety objectives established by the Radiation
Safety Officer or Radiation Safety Committee, if applicable.
- Each particle accelerator shall be calibrated by an expert
meeting the training and experience qualifications in
R12-1-716(G).
- The Agency shall inspect a particle accelerator before it is
used to treat a human.
Historical Note
Former Rule Section I.4; Former Section R12-1-904 repealed, new
Section R12-1-904 adopted effective June 30, 1977 (Supp. 77-3).
Amended effective Aug. 8, 1986 (Supp. 86-4). Amended by final
rulemaking at 5 A.A.R. 1817, effective May 12, 1999 (Supp. 99-2).
R12-1-905. Repealed
Historical Note
Adopted effective June 30, 1977 (Supp. 77-3). Repealed
effective August 8, 1986 (Supp. 86-4). R12-1-906. Limitations
- No registrant shall permit any person to act as a particle
accelerator operator until such person:
- Has been instructed in radiation safety and shall have
demonstrated an understanding thereof;
- Has received copies of and instruction in this Article and
the applicable requirements of Articles 4 and 10, pertinent
registration conditions and the registrant's operating and
emergency procedures, and shall have demonstrated
understanding thereof; and
- Has demonstrated competence to use the particle
accelerator, related equipment, and survey instruments which
will be employed in his assignment.
- Both the Radiation Safety Committee and the Radiation Safety
Officer shall have the authority to terminate the operations at
a particle accelerator facility if such action is deemed
necessary to protect health and/or minimize danger to public
health and safety or property.
Historical Note
Adopted effective June 30, 1977 (Supp. 77-3). R12-1-907.
Shielding and Safety Design Requirements
- A person experienced in the principles of radiation
protection and installation design shall be consulted in the
design of a particle accelerator installation and called upon to
perform a radiation survey when the accelerator is 1st capable
of producing radiation.
- The registrant shall provide each particle accelerator
installation with the primary and secondary barriers that are
necessary to assure compliance with R12-1-408 and R12-1-416.
Historical Note
Adopted effective June 30, 1977 (Supp. 77-3). Amended
subsection (A) effective Aug. 8, 1986 (Supp. 86-4). Amended
effective June 13, 1997 (Supp. 97-2). R12-1-908. Particle
accelerator controls and interlock systems
- Instrumentation, readouts and controls on the particle
accelerator control console shall be clearly identified and
easily discernible.
- All entrances into a target room or other high radiation
area shall be provided with interlocks that shut down the
machine under conditions of barrier penetration.
- When an interlock system has been tripped, it shall only be
possible to resume operation of the accelerator by manually
resetting controls at the position where the interlock has been
tripped, and lastly at the main control console.
- Each safety interlock shall be on a circuit which shall
allow its operation independently of all other safety
interlocks.
- All safety interlocks shall be fail safe, i.e., designed so
that any defect or component failure in the interlock system
prevents operation of the accelerator.
- A scram button or other emergency power cutoff switch shall
be located and easily identifiable in all high radiation areas.
Such a cutoff switch shall include a manual reset so that the
accelerator cannot be restarted from the accelerator control
console without resetting the cutoff switch.
Historical Note
Adopted effective June 30, 1977 (Supp. 77-3). R12-1-909.
Warning Devices
- All areas, except those in medical facilities, designated as
high radiation areas, and entrances to the areas shall be
equipped with easily observable flashing or rotating warning
light system that operates when, and only when, radiation is
being produced. Medical facilities shall be equipped with a
continuously operating warning light system.
- Except in facilities designed for human exposure, each high
radiation area shall have an audible warning device which shall
be activated for 15 seconds prior to the creation of the high
radiation area. The warning device shall be clearly discernible
in all high radiation areas and all radiation areas.
- Barriers, temporary or otherwise, and pathways leading to
high radiation areas shall be identified in accordance with
R12-1-428 and R12-1-429.
Historical Note Adopted effective June 30, 1977 (Supp.
77-3). Amended effective June 13, 1997 (Supp. 97-2). R12-1-910.
Operating procedures
- Particle accelerators, when not in operation, shall be
secured to prevent unauthorized use.
- Only a switch on the accelerator control console shall be
routinely used to turn the accelerator beam on and off. The
safety interlock system shall not be used to turn off the
accelerator beam except in an emergency.
- All safety and warning devices, including interlocks, shall
be checked for proper operability at intervals not to exceed 3
months. Results of such tests shall be maintained for inspection
at the accelerator facility.
- Electrical circuit diagrams of the accelerator, and the
associated interlock systems, shall be kept current and
maintained for inspection by the Agency and available to the
operator at each accelerator facility.
- If, for any reason, it is necessary to intentionally bypass
a safety interlock or interlocks, such action shall be:
- Authorized in writing by the Radiation Safety Committee
and/or Radiation Safety Officer;
- Recorded in a permanent log and a notice posted at the
interlock(s) so bypassed and at the accelerator control
console; and
- Terminated as soon as possible.
- A copy of the current operating and emergency procedures
shall be maintained at the accelerator control panel.
Historical Note
Adopted effective June 30, 1977 (Supp. 77-3). Amended
subsection (D) effective Aug. 8, 1986 (Supp. 86-4). R12-1-911.
Radiation Survey Requirements
- The registrant shall ensure that a portable survey
instrument is available at all times in a particle accelerator
facility.
- A person experienced in the principles of radiation
protection and installation design shall:
- Check operation of the portable survey instrument using a
known radiation source prior to its use;
- Perform and document a radiation protection survey when
changes have been made in shielding, operation, equipment, or
occupancy of adjacent areas;
- Perform surveys to determine the amount of airborne
particulate radioactivity present in areas of airborne hazards
in particle accelerator facilities of greater than 30 Mev;
- Perform periodic smear surveys to determine the degree of
contamination in target and adjoining areas when the
conditions described in subsection (B)(3) exist;
- Perform surveys as prescribed in the written procedures
established by the Radiation Safety Officer of the particle
accelerator facility.
- The registrant shall retain the following records:
- Records of any radiation protection survey required in
subsection (B), and an associated facility description,
required in R12-1-202(E), until the registration is
terminated.
- Records of particle accelerator calibration, spot checks,
personnel radiation safety system tests, and periodic
radiation protection surveys until the registration is
terminated.
Historical Note
Adopted effective June 30, 1977 (Supp. 77-3). Amended effective
Aug. 8, 1986 (Supp. 86-4). Amended by final rulemaking at 5 A.A.R.
1817, effective May 12, 1999 (Supp. 99-2). R12-1-912. Ventilation
Systems
- A registrant or licensee shall provide the means to ensure
that personnel entering any area where airborne radioactivity
may be produced will not be exposed to airborne radioactive
material in excess of those limits specified in Article 4,
Appendix B, Table II of this Chapter.
- A registrant or licensee shall not vent, release, or
otherwise discharge airborne radioactive material to an
uncontrolled area which exceed the limits specified in Article
4, Appendix B, Table II of this Chapter, except as authorized
pursuant to R12-1-435. For purposes of this Section,
concentrations may be averaged over a period not greater than 1
year. Every reasonable effort should be made to maintain
releases of radioactive material to uncontrolled areas as far
below the limits in Appendix B, Table II of this Chapter, as
practicable.
Historical Note
Adopted effective June 30, 1977 (Supp. 77-3). Amended effective
Aug. 8, 1986 (Supp. 86-4). Amended effective June 13, 1997 (Supp.
97-2). |
 |
 | |