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Advanced Risk Assessment

Ecotoxicity testing protocols 

Ecotoxicity results

Contaminant mobility

Soil property data

Models

Toxicity databases

RA methodologies

Document resources

 

Problem Identification

Receptor Characterisation

Exposure Assessment

Toxicity Assessment

Risk Characterisation

Introduction

This section of the site is principally a collection of tools and resources for assessors undertaking Tier 2 and Tier 3 assessments, researchers, and government agencies (e.g. ERMA). 

Limited numbers of practitioners or regulatory staff in New Zealand undertake, audit or review Tier 2 assessments using models, and refining guideline values to site-specific conditions and contaminant characteristics. 

However, as regulatory agencies are becoming more familiar with the risk assessment process, they are tending to require higher levels of justification for risk management decisions, particularly in urban areas. As a result, it is considered that there will be an increasing need for Tier 2 assessments in New Zealand. 

There are only a handful of sites in New Zealand that will require a Tier 3 assessment.

"Advanced risk assessment" provides detailed information on the models best suited to New Zealand conditions, contaminant characteristics, and international resources.

In addition, detailed research into contaminant behaviour in the New Zealand environment and ecotoxicology of New Zealand native and naturalised species is presented.

For methodological information on undertaking a risk assessment, refer to "Introductory risk assessment".

New Zealand-specific data

One of the key outcomes of this site was to provide New Zealand-specific data for risk assessment.  The information in the following links contains details of various testing protocols and results that New Zealand Tier 2 and 3 assessors will find useful.

Tools and Resources

The tools and resources in this section include the following:

NEPM framework for Tier 2 and 3 risk assessment

For methodological information on undertaking a risk assessment, refer to "Introductory risk assessment".

For details on undertaking a risk assessment at Tier 2 or Tier 3, please follow the links below. The methodology is broadly based on Australia's National Environment Protection (Assessment of Site Contamination) Measure (NEPM) 1999.

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Page last updated: 01 May 2007

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