NZQA registered unit standard
27503 version 2
Page 1 of 3
Title
Demonstrate knowledge of radiation and radiological protection in
the workplace
Level
4
Credits
Purpose
4
This unit standard is intended for experienced people who use
x-rays in the workplace and who would be in a supervisory role
in their workplace.
People credited with this unit standard are able to demonstrate
knowledge of: categories of radiation found inside and outside
the workplace; radiation doses and the effects of exposure on
workers; and radiological protection methods and procedures
for own work team using x-rays in the workplace.
Classification
Occupational Health and Safety > Occupational Health and
Safety Practice
Available grade
Achieved
Explanatory notes
1
References
Legislative requirements and codes of practice relevant to this unit standard include –
Radiation Protection Act 1965; Radiation Protection Regulations 1982; Code of Safe
Practice for the use of X-ray Security and Inspection Systems, National Radiation
Laboratory, Ministry of Health, published 2001, reference NRL C16 Version 1.1 ISBN
0110-9316.
2
Definition
Organisational requirements – instructions to staff on policies and procedures which
are documented in memo or manual format. These requirements include but are not
limited to – site-specific requirements, any quality management requirements.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of categories of radiation found inside and outside the workplace.
Evidence requirements
1.1
Categories of radiation found inside and outside the workplace are explained in
terms of their sources.
Range
The Skills Organisation
SSB Code 100401
categories include but are not limited to – ionising, non-ionising.
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
1.2
27503 version 2
Page 2 of 3
Types of ionised radiation found inside and outside the workplace are explained
in terms of their penetrating power.
Range
types include but are not limited to – alpha, beta, gamma, x-rays.
Outcome 2
Demonstrate knowledge of radiation doses and the effects of exposure on workers.
Evidence requirements
2.1
Types of radiation doses that affect workers are explained in terms of their
impact.
Range
2.2
Average dose of radiation from sources is identified and the impact on workers
is explained.
Range
2.3
types include but are not limited to – sievert, millisievert,
microsievert.
sources include but are not limited to – natural, medical, fallout, air
travel, occupational, luminous dials.
Effects of radiation exposure on workers are explained.
Range
effects include but are not limited to – damage to DNA, threshold
effects.
Outcome 3
Demonstrate knowledge of radiological protection methods and procedures for own work
team using x-rays in the workplace.
Evidence requirements
3.1
Methods to reduce radiological doses to own work team are explained in terms
of legislative and organisational requirements and codes of practice.
Range
3.2
methods include but are not limited to – time, distance, shielding,
interlocks.
Procedures for safe operations, maintenance, and cleaning of equipment in own
work area is explained in accordance with organisational requirements.
Planned review date
31 December 2015
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
27503 version 2
Page 3 of 3
Process
Version
Date
Last Date for Assessment
Registration
1
18 August 2011
N/A
Rollover and
Revision
2
22 May 2014
N/A
Consent and Moderation Requirements (CMR) reference
0003
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards, or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMR). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
Comments on this unit standard
Please contact The Skills Organisation reviewcomments@skills.org.nz if you wish to
suggest changes to the content of this unit standard.
The Skills Organisation
SSB Code 100401
 New Zealand Qualifications Authority 2016