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Standard Manual

Disposal of Agrichemicals

Agrecovery runs a safe and simple nationwide collection and disposal system for unwanted and expired agrichemicals. Contact AgRecovery to arrange collection:

  • Freephone: 0800 AGRECOVERY (0800 247 326)
  • Email: chemicals@agrecovery co.nz
  • Book online at www.agrecovery co.nz (or download their booking form)

Otherwise your options are limited to:

  • Finding an alternative use for the chemical
  • Returning it to the manufacturer or supplier
  • Storing it securely until a safe disposal method is available
  • Taking the agrichemical to a waste disposal company
  • Contacting your Regional Council.

Remember: Disposing of unwanted agrichemicals is part of managing risk. Some old products are now illegal to use because of their toxicity. Don't keep them in your shed.

Disposal of diluted (mixed) agrichemical

Ideally mix only the quantity of spray mixture required. If you do have surplus spray mixture, spent plunge dip, or post-harvest treatments, the disposal options are:

  • Apply to the target area (best option)
    • Even when the sprayer tank is empty, the application equipment may still contain up to 10 litres or more of spray mixture. This must be diluted with rinse water and the washings sprayed onto the target area.
    • Some sprayers are fitted with a tank rinsing system designed to allow this in the field at the time of spraying.
    • Remember the need to avoid exceeding any maximum residue limits (MRL) set for the crop being sprayed.
  • Dispose onto waste ground (eg beside farm track). This may be possible with small quantities of mixture (less than 1000 litres) provided that:
    • The agrichemical has been diluted and
    • The application rate onto the waste ground is not above the normal dilution rate and
    • No run-off occurs.

    • If livestock are grazed on the disposal area, check that any withholding periods are met.

  • Store for later use in labelled containers.
    • Check with your supplier to see how long the agrichemical can safely be stored this way before being used.
    • Label and date with information on the dilution rate.