Unit of competency Outline

Date retreived
22/07/2026 9:27 PM AWST

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Conduct fumigation in enclosed spaces

Conduct fumigation in enclosed spaces

Unit of competency
National Code
AHCCHM301A
State Code
D6757
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
80
Description
This unit covers the process of fumigation of grain, seed, crops and plants in enclosed spaces and defines the standard required to: assess the need for fumigation; select appropriate fumigant and application method; prepare and monitor storage facility and equipment; apply fumigant; restore facility and clean equipment; 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 IRM strategy.
  • 1.3. Determine the appropriate fumigation method with regard to pest type, facility and storage/growing conditions.
  • 1.4. Undertake a cost-benefit analysis of fumigation.
2. Determine type and method of fumigation
  • 2.1. Select method of fumigant application to suit type of pests, facility and grain/plant 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 facility and conditions for selected fumigation method.
  • 2.4. Identify and report any factors affecting the safe application of fumigants.
  • 2.5. Determine facility capacity to ensure fumigation conditions are in accordance with manufacturer's specifications and environmental, legislative, OHS and industry practice.
3. Prepare storage facility 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 security measures to control access during fumigation and prescribed re-entry periods in accordance with label directions.
  • 3.3. Erect signage and barriers to control risk of inadvertent entry to facility.
  • 3.4. Apply sealing methods as appropriate to contain fumigant in accordance with label and industry practice.
  • 3.5. Check seal, calculate volume of storage facility, and take appropriate measurement to ensure the required concentration of fumigant is retained in accordance with label directions.
  • 3.6. Set up emergency and confined spaces systems in accordance with legislative and OHS and requirements.
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 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 fumigation using appropriate equipment, fumigation methods and sealing 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.
6. Monitor fumigation
  • 6.1. Monitor fumigation site during exposure time and ventilation to prevent unauthorised access in accordance with legislative and OHS requirements and industry practice.
  • 6.2. Maintain integrity of seals throughout the active fumigation period in accordance with label, legislative and OHS requirements and industry practice.
7. Ventilate storage facility
  • 7.1. Establish ventilation and re-entry times and control risks to public health and safety in accordance with label, legislative, OHS requirements and industry practice.
  • 7.2. Ventilate facility to remove fumigant in a safe and controlled manner in accordance with label, legislative, OHS and industry practice.
  • 7.3. Test for evidence of residual gas using appropriate equipment.
  • 7.4. Notify appropriate person(s) of any further risk control measures required in accordance with label, legislative, OHS and industry practice.
8. Restore storage facility
  • 8.1. Collect and remove all equipment, fumigants and waste in accordance with label, legislative, OHS and industry practice.
  • 8.2. Remove signage and barriers when facility is available for re-use in accordance with legislative and industry practice.
  • 8.3. Restore storage facility in accordance with legislative and industry practice.
9. Clean, safety-check and store equipment and fumigants
  • 9.1. Clean, decontaminate, check and store equipment and Personal Protective Equipment (PPE) in accordance with manufacturer's specifications, OHS and industry practice.
  • 9.2. Transport and store fumigants in accordance with label, OHS and industry practice.
  • 9.3. Dispose of all waste in accordance with label, legislative, OHS environmental and industry practice.
10. Record fumigation details
  • 10.1. Record details of fumigant applications in accordance with legislative and quality assurance requirements and industry practice.
  • 10.2. Record and report gas escapes, 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.
Operating procedures may include:
Standard Operating Procedures (SOPs) used for fumigation in storage areas and in protected environments.
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 monitor storage facility and equipment
apply fumigant
restore facility and clean equipment
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
BAQ42 AHCCHM301 Use application equipment to apply fumigant in confined spaces Unit of competency