Chemical reassessment programme

Our chemical reassessment programme reviews hazardous substances that are approved for use in New Zealand.

About the programme

We review the hazardous substances that are already approved in New Zealand. Find out how.

Screened chemicals list

How we screen chemicals for possible reassessment, and the 700 chemicals currently screened.

Priority chemicals list

Our priority chemicals list identifies the chemicals we believe are most in need of review here in New Zealand.

The reassessment process

There's a two-step process for reassessing hazardous substances.

Apply for a reassessment or amendment

Anyone can apply for a reassessment of - or request an amendment to - the existing approval for a hazardous substance. We explain the process here.

Completed reassessments

This page has information about the chemical approvals we have reassessed. They are grouped by year, and listed alphabetically.