Unit of competency Outline

Date retreived
22/07/2026 10:16 PM AWST

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Fumigate soil using chemicals

Fumigate soil using chemicals

Unit of competency
National Code
AHCCHM302A
State Code
D6758
TGA Status
Replaced
DTWD Status
Replaced
Current Release Number
1.00
Current Release Date
10/06/2011
View on TGA
State Implementation and Classification
Approved Date
06/12/2011
Field of Education
059901 - Pest And Weed Control
Original Release Date
06/12/2011
Nominal Hours
60
Description
This unit covers the process of fumigation of soil and/or media using chemicals and defines the standard required to: assess the need for fumigation; select appropriate fumigant and application method; prepare and clean equipment; apply fumigant; record work activities.
Notes
Elements and Performance Criteria
1. Assess the need for fumigation
  • 1.1. Ascertain the threshold level of infestation against quality requirements and industry practice.
  • 1.2. Determine the need for fumigation as an option within an Integrated Pest Management (IPM) and Integrated Resource Management (IRM) strategy.
  • 1.3. Determine the appropriate fumigation method with regard to the target pest and soil conditions.
  • 1.4. Assess cost-benefit of fumigation.
2. Determine type and method of fumigation
  • 2.1. Select method of fumigant application to suit type of pests and soil/media type in accordance with manufacturer's specifications, environmental, legislative, Occupational Health and Safety (OHS) requirements and industry practice.
  • 2.2. Determine type of fumigant and application rate in accordance with manufacturer's specifications, standards and environmental, legislative, OHS and industry practice.
  • 2.3. Assess appropriateness of site and soil conditions for selected fumigation method.
  • 2.4. Identify and report any factors affecting the safe application of fumigants.
  • 2.5. Determine application rate to ensure fumigation conditions are in accordance with manufacturer's specifications and environmental, legislative, OHS and industry practice.
3. Prepare site for fumigation
  • 3.1. Assess hazards and control risks in relation to the use of fumigants in accordance with legislative, environmental, OHS requirements and industry practice.
  • 3.2. Establish site security measures to control access during fumigation and prescribed re-entry periods in accordance with label directions.
  • 3.3. Set up emergency system in accordance with legislative and OHS and requirements.
  • 3.4. Prepare soil, measure soil temperature and check soil moisture to ensure that the required concentration of fumigant is retained in the soil for the required period of time in accordance with label directions.
4. Prepare application equipment and fumigant(s)
  • 4.1. Select and use appropriate personal protective equipment in accordance with label and Material Safety Data Sheets (MSDSs) requirements.
  • 4.2. Select application equipment appropriate for the fumigation in accordance with label directions and industry practice.
  • 4.3. Check operational effectiveness of fumigation machinery and equipment in accordance with manufacturer's specifications and industry practice.
  • 4.4. Calibrate fumigation equipment to application rate in accordance with label directions.
  • 4.5. Prepare fumigant in accordance with label legislative and OHS requirements and industry practice.
5. Conduct fumigation
  • 5.1. Apply fumigant using appropriate equipment and fumigation methods in accordance with label and industry practice.
  • 5.2. Respond to emergency situations using emergency response procedures in accordance with legislative and OHS requirements and industry practice.
  • 5.3. Apply appropriate soil sealing methods to contain fumigant in accordance with label and organisational requirements.
6. Monitor site
  • 6.1. Monitor fumigation site during exposure time to prevent unauthorised access in accordance with legislative and OHS requirements and industry practice.
  • 6.2. Aerate soils fully and accurately test for evidence of residual gas by conducting germination test or sowing indicator crop in accordance with label.
  • 6.3. Establish re-entry times and control risks to human and animal health in accordance with label, legislative, OHS requirements and industry practice.
  • 6.4. Notify appropriate person(s) of any further risk control measures required in accordance with label, legislative, OHS and industry practice.
  • 6.5. Ventilate fumigation enclosure to remove fumigant in safe and controlled manner in accordance with label, legislative, OHS and organisation requirements.
7. Restore site
  • 7.1. Collect and remove all equipment, fumigants and waste in accordance with label, legislative, OHS and industry practice.
  • 7.2. Remove signage when site is available for re-use in accordance with legislative and industry practice.
  • 7.3. Restore site in accordance with legislative and industry practice.
8. Clean, safety-check and store equipment and fumigants
  • 8.1. Clean, decontaminate, check and store equipment and Personal Protective Equipment (PPE) in accordance with manufacturers specifications, OHS and industry practice.
  • 8.2. Transport and store fumigants in accordance with label, OHS and industry practice.
  • 8.3. Dispose of all waste in accordance with label, legislative, OHS environmental and industry practice.
9. Record fumigation details
  • 9.1. Record details of fumigant applications in accordance with legislative and quality assurance requirements and industry practice.
  • 9.2. Record and report safety incidents or poisoning to the appropriate person or authority in accordance with legislative requirements.
RANGE STATEMENT
The range statement relates to the unit of competency as a whole.
Fumigation may include:
fumigation of soils to control primary and secondary pests of plants.
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 fumigation
select appropriate fumigant and application method
prepare and clean equipment
apply fumigant
record work activities.
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.
Replaced By
State Code National Code Title Type
BAS27 AHCCHM302 Fumigate soil Unit of competency