NZQA registered unit standard
23317 version 2
Page 1 of 3
Title
Amend and prepare putrescible wastes for treatment and use in
composting
Level
3
Purpose
Credits
6
This unit standard is for people working in the composting
sector of the resource recovery industry.
People credited with this unit standard are able to amend
putrescible wastes for treatment and use in composting, and
prepare putrescible wastes for treatment and use in
composting.
Classification
Resource Recovery > Composting
Available grade
Achieved
Explanatory notes
1
All work practices must comply with:
Health and Safety in Employment Act 1992;
Resource Management Act 1991;
Hazardous Substances and New Organisms Act 1996; New Zealand Waste Strategy,
Ministry for the Environment, available at http://www.mfe.govt.nz;
NZS 4454:2005 Composts, soil conditioners and mulches;
Approved Code of Practice for the Management of Substances Hazardous to Health
in the Place of Work, Occupational Safety and Health Service, available at
http://www.business.govt.nz/worksafe/ (WorkSafe NZ).
2
Personal protective equipment (PPE) must be used throughout operations in
accordance with company procedures. PPE includes but is not limited to – gloves,
eye protection, footwear, overalls, hearing protection, respirator or facemask, highvisibility clothing, fire extinguisher, first aid kit, eye wash kit, face shield/mask; hard
hat.
3
Definition
Company procedures mean the documented methods for performing work activities
and include health and safety, environmental, and quality management requirements.
They may refer to manuals, codes of practice, or policy statements.
Outcomes and evidence requirements
Outcome 1
Amend putrescible wastes for treatment and use in composting.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
23317 version 2
Page 2 of 3
Evidence requirements
1.1
Putrescible wastes are received from water treatment facility in accordance with
company procedures.
Range
measured, sprayed with deodoriser, transportable.
1.2
Putrescible wastes are pressed to remove liquid and to achieve specified
particle size and density in accordance with company procedures.
1.3
Putrescible wastes are checked for wet to dry balance and carbon to nitrogen
ratio in accordance with company procedures.
1.4
Hazards are identified, reported, and managed in accordance with company
procedures.
hazards include but are not limited to – pathogens.
Range
Outcome 2
Prepare putrescible wastes for treatment and use in composting.
Evidence requirements
2.1
Putrescible wastes are blended with bulking agents to ensure optimum balance
for compost production in accordance with company procedures.
Range
2.2
absence of odour;
optimum balance of – moisture, carbon to nitrogen ratio,
temperature.
The resulting blends are monitored in accordance with company procedures.
Range
2.3
absence of odour, moisture, carbon to nitrogen, temperature,
pathogens.
Putrescible wastes are processed through to maturation in accordance with
company procedures.
Planned review date
31 December 2019
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
23 April 2007
31 December 2017
Review
2
16 April 2015
N/A
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
23317 version 2
Page 3 of 3
Consent and Moderation Requirements (CMR) reference
0114
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 NZ Motor Industry Training Organisation (Incorporated) (MITO)
info@mito.org.nz if you wish to suggest changes to the content of this unit standard.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016