Unit of competency details

AHCCHM303A - Prepare and apply chemicals (Release 1)


Usage recommendation:
Is superseded by and equivalent to AHCCHM303 - Prepare and apply chemicalsThis unit supersedes and is equivalent to AHCCHM303A Prepare and apply chemicals. 26/Jun/2016
Supersedes RTC3704A - Prepare and apply chemicals17/Sep/2004

ReleaseRelease date
1 1 (this release) 10/Jun/2011

Training packages that include this unit

CodeSort Table listing Training packages that include this unit by the Code columnTitleSort Table listing Training packages that include this unit by the Title columnRelease
FPI11 - Forest and Forest Products Training PackageForest and Forest Products Training Package 1.0-2.3 
SIS10 - Sport, Fitness and Recreation Training PackageSport, Fitness and Recreation Training Package 2.0-3.1 
FWP - Forest and Wood Products Training PackageForest and Wood Products Training Package 2.0-3.0 
AHC10 - Agriculture, Horticulture and Conservation and Land ManagementAgriculture, Horticulture and Conservation and Land Management 2.0-8.0 
SFI11 - Seafood Industry Training PackageSeafood Industry Training Package 1.0-2.2 
FDF10 - Food ProcessingFood Processing 2.0-4.1 
HLT07 - Health Training PackageHealth Training Package 5.0-5.1 
HLT - HealthHealth 3.0-7.1 
RGR08 - Racing Training PackageRacing Training Package 1.1-2.0 

Qualifications that include this unit

CodeSort Table listing Qualifications that include this unit by the Code columnTitleSort Table listing Qualifications that include this unit by the Title columnUsage RecommendationRelease
FWP30416 - Certificate III in Wood Panel ProductsCertificate III in Wood Panel ProductsDeleted
AHC31410 - Certificate III in Conservation and Land ManagementCertificate III in Conservation and Land ManagementSuperseded1-4 
FDF30411 - Certificate III in Wine Industry OperationsCertificate III in Wine Industry OperationsSuperseded1-3 
AHC32210 - Certificate III in Commercial CompostingCertificate III in Commercial CompostingSuperseded1-2 
AHC30110 - Certificate III in AgricultureCertificate III in AgricultureSuperseded1-8 
AHC31110 - Certificate III in Production NurseryCertificate III in Production NurserySuperseded1-2 
AHC31710 - Certificate III in Natural Area RestorationCertificate III in Natural Area RestorationSuperseded1-3 
AHC31810 - Certificate III in Vertebrate Pest ManagementCertificate III in Vertebrate Pest ManagementSuperseded1-2 
FPI30311 - Certificate III in Sawmilling and ProcessingCertificate III in Sawmilling and ProcessingSuperseded1-4 
AHC30810 - Certificate III in ArboricultureCertificate III in ArboricultureSuperseded1-4 
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Accredited courses that have this unit in the completion mapping


SchemeCodeClassification value
ASCED Module/Unit of Competency Field of Education Identifier 059901 Pest And Weed Control  

Classification history

SchemeCodeClassification valueStart dateEnd date
ASCED Module/Unit of Competency Field of Education Identifier 059901 Pest And Weed Control  04/Nov/2011 
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Modification History

Not Applicable

Unit Descriptor

Unit descriptor 

This unit covers the process of preparing and applying chemicals and defines the standard required to: assess the need for chemical use: comply with safety, chemical label and MSDS requirements; prepare an application/spray plan; prepare and apply chemicals; calibrate application equipment and maintain chemical records.

Application of the Unit

Application of the unit 

This unit covers the preparation and application of liquid chemical

mixes and/or granular products for the control of weeds, pests

and diseases across a range of industry sectors.

This unit may be deemed to have a time limit when used as

part of an accreditation or licence process.

Licensing/Regulatory Information

Not Applicable


Prerequisite units 

Employability Skills Information

Employability skills 

This unit contains employability skills.

Elements and Performance Criteria Pre-Content

Not Applicable

Elements and Performance Criteria



1. Determine the need for chemical use

1.1. Nature and level of the pest, weed infestation or disease is identified.

1.2. Need for control is assessed.

1.3. The requirement for chemical use as an option within an integrated pest management strategy is assessed.

1.4. Hazard and risk analysis of different chemical options is undertaken.

1.5. Requirement for chemical application is identified and confirmed.

2. Prepare application/spray plan

2.1. Mixing rates for chemical is defined and calculated.

2.2. Application equipment type and set up requirements are determined for intended application.

2.3. The quantity of mix required is determined.

2.4. Meteorological conditions and forecasts prior to and during application are accessed.

2.5. An application/spray plan is completed.

2.6. Notify neighbours as required in accordance with industry practice or regulatory requirements

3. Prepare chemical mixes

3.1. Requirements from chemical labels and Material Safety Data Sheets (MSDSs) are interpreted and applied.

3.2. Appropriate first aid supplies are at hand.

3.3. Appropriate personal protective and mixing equipment is selected and used in accordance with MSDSs and chemical label.

3.4. A suitable location for mixing and loading is selected.

3.5. Chemicals are prepared in accordance with registered use.

3.6. MSDSs are followed in the event of a spill.

4. Calibrate application equipment

4.1. Pre-operational checks of application equipment are carried out.

4.2. Equipment is calibrated in accordance with manufacturer specifications and application/spray plan.

4.3. Calibration is checked for conformity to the requirements of the application/spray plan.

4.4. Chemical is loaded wearing appropriate Personal Protective Equipment (PPE) and controlling risks to human health and the environment.

5. Apply chemicals

5.1. Appropriate personnel protective equipment is selected and used in accordance with MSDSs and chemical label.

5.2. Chemical is applied in accordance with the application/spray plan and/or instructions and legislative and/or regulatory requirements.

5.3. Risks to others, product integrity and the environment are assessed and minimised.

6. Clean up equipment and complete records

6.1. Excess chemical is disposed of in accordance with label and MSDSs requirements.

6.2. Application equipment is cleaned and decontaminated.

6.3. Requirements for the disposal of unused chemical, containers spilled materials are determined and implemented

6.4. PPE and mixing equipment is cleaned and stored.

6.5. Incidents are reported as required in accordance with legislative and/or regulatory requirements.

6.6. All records, e.g. calibration, application, DG/hazard substances, risk assessments, are completed in accordance with legislative, industry and enterprise requirements.

Required Skills and Knowledge


This section describes the skills and knowledge required for this unit.

Required skills 

  • identify hazards and implement risk control procedures
  • identify appropriate treatment for pest, disease or weed
  • mix and load chemicals
  • conduct pre-operational checks of application equipment
  • calibrate handheld and/or powered application equipment relevant to the industry sector
  • interpret and apply chemical label requirements in the preparation of an application/spray plan
  • apply chemicals
  • use and maintain PPE
  • dispose of surplus chemical and containers
  • record activities and maintain records
  • use literacy skills to read, interpret and follow organisational policies and procedures, follow sequenced written instructions, record accurately and legible information collected and select and apply procedures for a range of tasks
  • use oral communication skills/language competence to fulfil the job role as specified by the organisation, including questioning techniques, active listening, clarifying information and consulting with supervisors as required
  • use numeracy skills to estimate, calculate and record routine workplace measures
  • use interpersonal skills to work with and relate to people from a range of cultural, social and religious backgrounds and with a range of physical and mental abilities.

Required knowledge 

  • options for pest control based on Integrated Pest/Resistance Management principles
  • plant, pest, weed and/or diseases relative to industry sector
  • chemical label and MSDSs formats
  • meteorological and other conditions and impacts on safe and effective chemical application
  • types and application of personal protective equipment
  • features, functions and calibration techniques for a range of hand held and/or powered application equipment relevant to the industry sector
  • risk factors including human and animal health, weather, spray drift, spillage and environmental
  • spray nozzle identification, selection, operation and use
  • chemical mix including mixing order, adjuvants, water quality, efficacy etc
  • application techniques for a range of equipment types
  • requirements for disposal of excess chemicals, clearing spillages and equipment clean up
  • legislation including Occupational Health and Safety (OHS) and environment, and licensing requirements, in relation to chemical use.

Evidence Guide


The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.

Overview of assessment 

Critical aspects for assessment and evidence required to demonstrate competency in this unit 

The evidence required to demonstrate competency in this unit must be relevant to workplace operations and satisfy holistically all of the requirements of the performance criteria and required skills and knowledge and include achievement of the following:

  • assess the need for chemical use
  • comply with safety, chemical label and MSDSs requirements
  • prepare an application/spray plan
  • prepare and apply chemicals
  • calibrate application equipment
  • maintain chemical records

Context of and specific resources for assessment 

Competency requires the application of work practices under work conditions. Selection and use of resources for some worksites may differ due to the regional or enterprise circumstances.

Range Statement


The range statement relates to the unit of competency as a whole.

Chemical types may include:

  • all types of chemical mixes used in the control of pests, weeds and diseases including animal health products.

This unit does not cover:

  • operation of specialised equipment and machinery transport
  • handling and storage of chemicals set up of advanced operation
  • specialised on-board control equipment.

Unit Sector(s)

Unit sector 


Co-requisite units

Co-requisite units 

Competency field

Competency field