Website maintenance outage scheduled Wednesday 20 November, starting at 7pm (NZST). The website will be unavailable for approximately 2 hours. Sorry for any inconvenience.
Find out if your hazardous substance is approved by searching our database of approved hazardous substances with controls. Tip: In the Search field, tap the space bar, then search, to see a complete list of decisions. The controls on a substance now refer to different pieces of legislation: the HSNO Regulations (for substances approved prior to 1 December 2017 only), EPA Notices, and the HSW (HS) Regulations. To find out more, go to the What rules have changed? page.