NZQA registered unit standard
28608 version 1
Page 1 of 3
Title
Demonstrate knowledge of a milk treatment process in a dairy
processing operation
Level
3
Purpose
Credits
5
This theory-based entry-level unit standard is for people
carrying out milk product processing in a dairy processing
operation.
People credited with this unit standard are able to demonstrate
knowledge of: the centrifugal separation process; the bulk liquid
transfer process; and the standardisation process, in a dairy
processing operation.
Classification
Dairy Processing > Milk Processing
Available grade
Achieved
Explanatory notes
1
Legislation relevant to this unit standard includes but is not limited to the Animal
Products Act 1999, Health and Safety in Employment Act 1992, and Animal Products
(Dairy) Regulations 2005.
2
Definitions
Bulk liquid transfer equipment – tanks, vessels, pumps, valves, gauges, pipe-work,
screens and filters, tank measurement instrumentation.
Centrifugal separation equipment– hermetic separators and semi-open separators.
Variations to the semi-open separators include – soft stream inlet, cold milk
separators, cream cheese or quarg separators.
Organisational requirements – instructions to staff on policies and procedures which
are documented in memo, electronic or manual format and are available in the
workplace. These requirements include but are not limited to – site specific
requirements, company quality management requirements, hygiene, health and
safety, regulatory and legislative requirements.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of the centrifugal separation process in a dairy processing
operation.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28608 version 1
Page 2 of 3
Evidence requirements
1.1
The centrifugal separation process is described in terms of the equipment used.
Range
evidence is required of two examples of equipment used in the
candidate’s workplace.
1.2
The centrifugal separation process is described in terms of basic principles.
1.3
The centrifugal separation process is described in terms of process and quality
control requirements.
1.4
Cleaning and sanitation requirements for a centrifugal separation process are
described in terms of organisational requirements.
Outcome 2
Demonstrate knowledge of the bulk liquid transfer process used in a dairy processing
operation.
Evidence requirements
2.1
The process of preparing bulk liquid transfer equipment is described in terms of
tank holding levels and capacities, transfer settings, product clearance
procedures and transfer priorities.
2.2
The process of transferring build liquid materials is described in terms of
organisational requirements.
Range
process includes but is not limited to – equipment start-up,
monitoring, line purging, reporting, cleaning and sanitising, waste
collection and treatment, recording information, equipment shutdown.
Outcome 3
Demonstrate knowledge of the standardisation process used in a dairy processing
operation.
Evidence requirements
3.1
Method of standardisation is described in terms of the process steps.
3.2
The principles of standardisation of milk composition are described in terms of
their influence on the product.
3.3
Automatic standardisation of milk composition is described in terms of the
process used.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
Planned review date
28608 version 1
Page 3 of 3
31 December 2020
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
18 June 2015
N/A
Consent and Moderation Requirements (CMR) reference
0022
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 (CMRs). 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 Primary Industry Training Organisation standards@primaryito.ac.nz if
you wish to suggest changes to the content of this unit standard.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016