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This document provides guidance on soil contamination in relation to Waka Kotahi activities. It includes:

• general guidelines for identifying and assessing soil contamination
• regulatory requirements for activities on contaminated land
• basics of soil and water sampling and analysis for contamination, and
• reporting requirements at the end of works completion.

While this guidance has been produced for Waka Kotahi use, many of the concepts and legislative requirements are likely to be applicable for other road controlling authorities who may be undertaking capital or maintenance works.

Related page:

Contaminated land