On 15 December 2025 the Environmental Protection Authority (EPA) revoked approval HSR000646 for Wettable powder containing 750 g/kg chlorthal-dimethyl (chlorthal-dimethyl containing substances).

Pursuant to section 66 of the Hazardous Substances and New Organisms Act 1996, the EPA directs that:

1. from the date of this notice, the use of chlorthal-dimethyl containing substances is prohibited; and
2. within 6 months from the date of this notice, chlorthal-dimethyl containing substances must be disposed of, at the owner’s expense, and in accordance with the Hazardous Substances (Disposal) Notice 2017.

Dated at Wellington this 18th day of December 2025.

Dr LAUREN FLEURY, for and on behalf of the Environmental Protection Authority.