Hazardous Substances

This Safe Work Procedure (SWP) is to be used when handling hazardous substances on the farm. Examples of these include fuels, pesticides, herbicides, gases

Risks

  • Physical effects—fire, explosion.
  • Health effects—dermatitis, burns, respiratory illness, cancer.
  • Environmental damage.

Personal Protective Equipment

Personal Protective Equipment (PPE) is to be used as per product Safety Data Sheet (SDS).

Minimum operator requirements

All workers handling chemicals must be trained appropriately. The following minimum operator requirements may apply depending on the classification and quantity of the product being used:

  • Certified handler certificate; and/or
  • Controlled substance license.

Details of the competency requirements can be found at: www.worksafe.govt.nz/topic-and-industry/hazardoussubstances/managing

Communication process

When working on the farm alone, refer to the “Lone Worker Safe Work Procedure”.

Equipment

  • Inventory of hazardous substances on site.
  • Safety Data Sheets.
  • Spill kit (location as per SDS).
  • Fire extinguisher 30b (location as per SDS).
  • PPE (as per SDS).
  • Tracking documentation.
  • Emergency Response Card.
  • First aid kit.
  • Signage.
  • Site map.

General procedure

  1. All hazardous substances must be recorded in an inventory by using the Hazardous Substances Toolbox at: www.hazardoussubstances.govt.nz/calculator
  2. Read and follow the product Safety Data Sheet (SDS) before use.
  3. Store hazardous substances in accordance with regulations for hazardous substances and the product SDS.
  4. Do not eat, drink or smoke when handling fuel or chemicals.
  5. Ensure applicator equipment is functioning correctly.
  6. When outdoors, stand upwind when opening, pouring or mixing chemicals.
  7. When indoors, ensure area is well ventilated when opening, pouring or mixing chemicals.
  8. Do not use your mouth to siphon liquids or blow out spray nozzles.
  9. When applying, keep persons and animals away from contaminated equipment and application area.
  10. In event of a major spill, follow the Emergency Response Card and contact the Fire Service.
  11. In the event of a minor spill, do the following:
    - Keep people away unless they are helping clean up
    - Wear PPE as per SDS
    - Stop spill at leak or source if safe to do so
    - Stop spill from spreading
    - Clean spill up using spill kit materials
    - Dispose of spill materials as per SDS requirements
    - Clean safety gear after use.
  12. Replace fuel chemicals in correct storage area after use and secure as required.
  13. Wash hands, arms and face with cold water when finished handling chemicals.

References

Hazardous Substances Toolbox at: www.hazardoussubstances.govt.nz

WorkSafe The Workbook—Working Safely with Hazardous Substances.

WorkSafe Good Practice Guidelines “Working safely with chemicals and fuels on farms”.

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