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3215.3 – Radiation therapists
Radiation therapists operate radiation therapy equipment to administer radiation treatments. This group includes supervisors and instructors.
Profile
Example titles Help
- Radiation oncology technologist
- Radiation therapist
- Radiation therapy clinical instructor
- Radiation therapy technologist (RTT)
- Radiotherapy technician
Main characteristics Help
- General learning ability to assist radiation oncologists and clinical physicists with preparation of radiation treatment plans and administer radiation treatments prescribed by radiation oncologists
- Verbal ability to explain procedures to patients and to advise patients regarding side effects of radiation; may train and supervise students and supervise other radiotherapy technologists
- Objective interest in precision working with radiation therapy equipment to administer treatments prescribed by radiation oncologists, and to help with the construction of devices such as plaster casts and acrylic moulds used for radiation treatments; and in checking radiation therapy equipment to ensure proper operation
- Methodical interest in assisting radiation oncologists and clinical physicists with administration of radiation treatment plans and preparation of sealed radioactive materials; and in monitoring patients' physical and psychological well-being during the entire course of treatments
- Innovative interest in compiling information to prepare and administer radiation treatments
Aptitudes Help
One of five levels assigned for each factor, with levels representing normal curve distribution of the labour force:
- G
- General learning ability
- V
- Verbal ability
- N
- Numerical ability
- S
- Spatial perception
- P
- Form perception
- Q
- Clerical perception
- K
- Motor co-ordination
- F
- Finger dexterity
- M
- Manual dexterity

- The highest 10% of the working population
- Upper third, exclusive of the highest 10%
- Middle third of the working population
- Lowest third, exclusive of the lowest 10%
- Lowest 10% of the working population
An individual's overall capacity to learn the skills needed to perform job duties is based on his or her specific aptitudes for acquiring information and transforming it into action.
General learning ability G-3
Ability to 'catch on' or understand instructions and underlying principles; to reason and make judgments.
Verbal ability V-3
Ability to understand the meaning of words and the ideas associated with them, and to use them effectively; to comprehend language, to understand relationships between words and to understand the meaning of whole sentences and paragraphs; to present information or ideas clearly.
Numerical ability N-3
Ability to carry out arithmetical processes quickly and accurately.
Spatial perception S-3
Ability to think visually about geometric forms and comprehend the two dimensional representation of three dimensional objects; to recognize the relationships resulting from the movement of objects in space. May be used in such tasks as blueprint reading and in solving geometry problems. Frequently described as the ability to 'visualize' objects of two or three dimensions.
Form perception P-3
Ability to perceive pertinent detail in objects and in pictorial and graphic material; to make visual comparisons and discriminations and to see slight differences in shapes and shadings of figures and widths and lengths of lines.
Clerical perception Q-4
Ability to perceive pertinent detail in verbal or tabular material; to observe differences in copy, to proofread words and numbers, and to avoid perceptual errors in arithmetical computation.
Motor co-ordination K-3
Ability to co-ordinate eyes, hands and fingers rapidly and accurately when required to respond with precise movements.
Finger dexterity F-3
Ability to move the fingers and manipulate small objects with the fingers rapidly and/or accurately.
Manual dexterity M-3
Ability to move the hands easily and skillfully; to work with the hands in placing and turning motions.
Interests Help
Three of five descriptive factors, assigned in order of predominance and lower case rating indicating weaker representation:
- D
- Directive
- I
- Innovative
- M
- Methodical
- O
- Objective
- S
- Social
Objective O
Objective persons enjoy working with tools, equipment, instruments and machinery. They like to repair and/or fabricate things from various materials according to specifications and using established techniques. Objective persons are interested in finding out how things operate and how they are built.
Methodical M
Methodical persons like to have clear rules and organized methods to guide their activities. They prefer working under the direction or supervision of others according to given instructions, or to be guided by established policies and procedures. Methodical persons like to work on one thing until it is completed. They enjoy following a set routine and prefer work that is free from the unexpected.
Innovative i
Innovative persons like to explore things in depth and arrive at solutions to problems by experimenting. They are interested in initiating and creating different ways to solve questions and present information. They enjoy scientific subjects. Innovative persons prefer to be challenged with new and unexpected experiences. They adjust to change easily.
Data, people, and things Help
Data
- 0
- Synthesizing
- 1
- Co-ordinating
- 2
- Analyzing
- 3
- Compiling
- 4
- Computing
- 5
- Copying
- 6
- Comparing
- 7
- N/A
- 8
- Not Significant
People
- 0
- Mentoring
- 1
- Negotiating
- 2
- Instructing - Consulting
- 3
- Supervising
- 4
- Diverting
- 5
- Persuading
- 6
- Speaking - Signaling
- 7
- Serving - Assisting
- 8
- Not significant
Things
- 0
- Setting up
- 1
- Precision working
- 2
- Controlling
- 3
- Driving - Operating
- 4
- Operating - Manipulating
- 5
- Tending
- 6
- Feeding - Offbearing
- 7
- Handling
- 8
- Not significant
Data Compiling 3
Accumulating information usually recorded physically but which may be stored mentally; gathering, collating and classifying information about data, people and things; frequently reporting and/or carrying out a prescribed action in relation to the information.
People Assisting 7
Attending to the needs and requests of people or animals or the expressed and implicit wishes of people; helping and supporting other workers in the performance of tasks.
Things Precision working 1
Using the body and/or equipment to move, guide, place, install and/or interface with objects, in order to attain specifications and precise standards. Considerable judgment is required to select, adjust and utilize appropriate tools, products and/or materials to accomplish specified objectives.
Physical activities Help
V - Vision
- 1
- Close visual acuity
- 2
- Near vision
- 3
- Near and far vision
- 4
- Total visual field
H - Hearing
- 1
- Limited
- 2
- Verbal interaction
- 3
- Other sound discrimination
L - Limb co-ordination
- 0
- Not relevant
- 1
- Upper limb co-ordination
- 2
- Multiple limb co-ordination
C - Colour discrimination
- 0
- Not relevant
- 1
- Relevant
B - Body position
- 1
- Sitting
- 2
- Standing and/or walking
- 3
- Sitting, standing, walking
- 4
- Other body positions
S - Strength
- 1
- Limited
- 2
- Light
- 3
- Medium
- 4
- Heavy
Vision Vision V-2
The use of sight in the work performed. The levels are organized in terms of the visual field involved in the performance of the work.
2 - Near vision
Work activities are performed near the worker. The scope of the visual field is broader than in Close visual acuity (1).
Examples:
- reading and interpreting drawings and specifications
- using computer keyboards and reading computer monitors
- repairing automobile engines
- setting up and operating machine tools
Colour discrimination Colour discrimination C-0
The use of colour descrimination to identify, distinguish and match colours and different shades of the same colours.
0 - Not relevant
Colour discrimination is not relevant in the performance of the work.
Examples:
- cleaning windows
- providing information over the telephone
- interviewing, hiring and overseeing staff training
- translating documents
Hearing Hearing H-1
The use of hearing in the work performed. The levels are organized in terms of the type of auditory discrimination involved in the performance of the work.
1 - Limited
Hearing is limited to short and/or infrequent verbal interactions in order to perform the work.
Examples:
- typing and proofreading correspondence
- cutting and trimming meat, poultry and fish according to customers' orders
- carrying linen to and from laundry areas and running errands
- assisting mine workers in constructing underground installations
Body position Body position B-3
Primary type of posture or body movement involved in performing the work. These postures or body movements range from simple to complex and from sedentary to mobile.
3 - Sitting, standing, walking
This level involves work activities in combinations and varying degrees of Sitting (1) and Standing and/or walking (2).
Examples:
- teaching students through lectures, discussions, audio-visual presentations and field studies
- assessing land values for taxation purposes
- ensuring that systems and equipment are operating efficiently on job sites
- supervising and co-ordinating the activities of workers who cut or stitch fabric, fur or leather garments
Limb co-ordination Limb co-ordination L-1
The use of limbs in performing work.
1 - Upper limb co-ordination
Work activities involve co-ordination of upper limbs.
Examples:
- keyboarding
- performing maintenance services such as oil changes, lubrications and tune-ups
- operating video cameras
- instructing students in sign language
Strength Strength S-2
The use of strength in the handling of loads such as pulling, pushing, lifting and/or moving objects during the work performed.
2 - Light
Work activities involve handling loads of 5 kg but less than 10 kg.
Examples:
- repairing soles, heels and other parts of footwear
- filing materials in drawers, cabinets and storage boxes
- preparing and cooking meals
- repairing paintings and artifacts
Environmental conditions Help
Location
- L1
- Regulated inside climate
- L2
- Unregulated inside climate
- L3
- Outside
- L4
- In a vehicle or cab
Hazards
- H1
- Dangerous chemical substances
- H2
- Biological agents
- H3
- Equipment, machinery, tools
- H4
- Electricity
- H5
- Radiation
- H6
- Flying particles, falling objects
- H7
- Fire, steam, hot surfaces
- H8
- Dangerous locations
Discomforts
- D1
- Noise
- D2
- Vibration
- D3
- Odours
- D4
- Non-toxic dusts
- D5
- Wetness
Hazards Biological agents H2
Potential hazards to which the worker may be exposed. The codes provide an indication of the type(s) of hazard(s) most likely to be present in the workplace environment. They are not a measure of frequency, duration or degree of exposure to hazards, but an indication of the presence or absence of a particular hazard in the work environment.
H2 - Biological agents
Exposure to infectious bacteria and viruses as a result of indirect contact with, or direct handling of, infectious materials or micro-organisms that may cause illness.
Examples:
- treating sick animals
- providing nursing care
- investigating outbreaks of food and environment-related diseases and poisonings
- conducting microbiological tests and laboratory analyses
Hazards Radiation H5
Potential hazards to which the worker may be exposed. The codes provide an indication of the type(s) of hazard(s) most likely to be present in the workplace environment. They are not a measure of frequency, duration or degree of exposure to hazards, but an indication of the presence or absence of a particular hazard in the work environment.
H5 - Radiation
Exposure to ionizing radiation such as X-rays and radioactive substances or non-ionizing radiation such as radio frequencies and infrared, ultraviolet or visible light that may affect health adversely.
Examples:
- taking dental X-rays
- preparing and administering radioactive drugs
- operating welding equipment (ultraviolet)
- controlling the flow of air traffic using radar monitors, radio and other equipment (radio frequencies)
- conducting atmospheric research (visible laser light)
- creating glass objects (infrared)
Location Regulated inside climate L1
The work performed is carried out indoors in a regulated environment, indoors in an unregulated environment, outdoors or in a vehicle. In many occupations, the Main Duties may be performed in more than one location. Therefore, a group may have more than one Location code, for example:
- firefighting and fire prevention duties
- maintenance of interior/exterior of buildings
- managing operations and paperwork of farms
L1 - Regulated inside climate
A normal controlled environment such as an office, hospital or school.
Employment requirements Help
Education/training Help
- 1
- No formal education or training requirements
- 2
- Some high school education and/or on the job training or experience
- 3
- High school
- 4
- Course work, training, workshops and/or experience related to the occupation
- 5
- Apprenticeship, specialized training, vocational school training
- 6
- College, technical school (certificate, diploma)
- 7
- Undergraduate degree
- 8
- Post-graduate or professional degree
- +
- Additional requirement beyond education and training
- R
- Regulated requirement(s)
- Completion of a two- to three-year college, hospital or other approved program in diagnostic radiography or magnetic resonance imaging (for radiological technologists and magnetic resonance technologists), nuclear medicine technology (for nuclear medicine technologists) or radiation therapy (for radiation therapists)
or
a bachelor of health sciences in radiography, nuclear medicine or radiation therapy
and
a period of supervised practical training are required. - Licensure with a regulatory body is required in Nova Scotia, New Brunswick, Quebec, Ontario, Saskatchewan and Alberta.
- Membership with a provincial association is required in Newfoundland and Labrador, Prince Edward Island and Manitoba.
- Certification by the Canadian Association of Medical Radiation Technologists is required in all provinces except Quebec and British Columbia.
Workplaces/employers Help
- Cancer treatment centres
- Clinics
- Hospitals
- Radiological laboratories
- Colleges and universities
Occupational options Help
- Experience as a medical radiation technologist is required for supervisors and instructors.
- There is no mobility between the three types of medical radiation technologists without further training.
Exclusions Help
Breakdown summary
- Broad occupational category
- 3 – Health occupations
- Skill level
- B – Occupations usually require college education, specialized training or apprenticeship training
- Minor group
- 32 – Technical occupations in health
- Minor group
- 321 – Medical technologists and technicians (except dental health)
- Unit group
- 3215 – Medical radiation technologists
- Version
- NOC 2016 Version 1.3