Search below then narrow your results using the options on the left.
December 1998Guidance for the owners and managers of petroleum industry sites on how to ensure water discharges will not cause significant adverse effects on the environment. Read more
November 1998A 1998 discussion paper on managing hazardous waste in New Zealand. Read more
November 1998This document provides standardised whole effluent toxicity testing (WETT) protocols to test the potential biological impact of discharges into the aquatic environment of contaminated wastewater. Read more