What is a
Why is it important?
What is risk management?
of risk assessment
What are RA tiers?
This section is designed to provide information and methodological
guidance for Tier 1 risk assessment of contaminated sites, in order to assist the following groups of people:
- Any assessor/investigator undertaking a Tier 1 risk assessment or
- Regulatory authority staff from district or regional councils, or
unitary authorities including environmental health officers, consent
and compliance officers, and planners;
- Consultants in any field dealing with actual or potential
contamination of any media; staff in research institutions,
universities or polytechnics; medical officers of health, public
health officers; and
- Lenders, valuers, insurers, loss adjusters, developers, purchasers,
vendors, real estate agents, surveyors and other parties associated
with transactions or developments involving land;
- Private landholders and site managers.
It also provides a comprehensive source of information for others
in the issues and risks associated with site contamination on land in New
- the nature of contaminated sites,
- questions of liability,
- roles and responsibilities, and
- potential risk management/remedial measures.
Anyone concerned with contaminated sites should understand
the following concepts:
Here are some useful links:
|A framework which leads you through the process of a risk assessment.
|A fictitious example of XYZ
Enterprises is used throughout this web site to provide examples
of what is required at various stages for the various tasks. As
previously noted, the example concentrates on ecological risk
assessment rather than human health.
|Some key resources
|Where technical terms, phrases or
abbreviations are used in the text of the web site, links are
provided to a comprehensive Glossary
for an explanation of
terms used in risk assessment.