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Priority 2 and Priority 3 Chemical Determinands Identification Guide

Please note: As of 1 July 2025, the New Zealand Institute for Public Health and Forensic Science (PHF Science) is the new name for the Institute of Environmental Science and Research (ESR). Research and reports published prior to this date may reference the organisation’s former name.

Summary

This guide was prepared for the Ministry of Health to provide tools to help water suppliers and DWAs in the identification of Priority 2 and Priority 3 determinands (except cyanotoxins) using a qualitative assessment of the likelihood of them being present in the water supply.

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