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Step 5.3 Work out your environment exposure band

There are 4 environment exposure bands - exposure band 1 has the lowest level of environmental exposure and exposure band 4 the highest level. Follow steps on this page to work out your environment exposure band.

Are you introducing a chemical that will have a designated kind of release to the environment? If you are, your introduction is automatically in exposure band 4 for environment — go to Step 5.4: Work out your environment hazard characteristics.

Getting started

  • Look at the questions / scenarios we pose under each exposure band to work out your exposure band.
  • You need to know your environment categorisation volume — follow our guidance on how to work this out.
  • You must know the volume of the chemical you are introducing. This will mean that you can work out the environment categorisation volume of your chemical.
  • There are 4 exposure bands, start at exposure band 1 and work down the page.
  • Each exposure band directs you to your next step depending on your answer.
  • When you know your exposure band, you then need to work out the environment hazard characteristics of your introduction (step 5.4)

Need to know your environment categorisation volume?

Get help with working out your environment categorisation volume

Explore our online decision tool on categorisation volumes


Why you need to work out your introduction's exposure band?

It is part of the process to identify the indicative environment risk of your introduction. In step 4, you also had to work out your introduction's human health exposure band.

What does an environment exposure band identify about your introduction?

It identifies the likelihood and extent of environmental exposure to the chemical.  This likelihood and extent of exposure increases with each band. Exposure band 1 is the lowest exposure band, and exposure band 4 the highest. Introductions in environment exposure band 1 will have the lowest level of environmental exposure, and exposure band 4, the highest.

Information that's used to assign a chemical to its correct exposure band

We define 'designated kind of release into the environment' (which we refer to throughout this page) to be where the chemical is intentionally released during use to land, biota, natural waterways, municipal water supplies or air (unless its only for domestic or personal use). It also includes any releases to the environment from firefighting end uses and releases into the ocean.

See more information:


What's your environment exposure band?

Start with Exposure Band 1 and work down the page.

Note, if your introduction has a designated kind of release into the environment, it will be in exposure band 4.

Exposure band 1 criteria

To be in exposure band 1, your introduction must meet the criteria:

  • The environment categorisation volume for your chemical does not exceed 25kg

Next...Work out the environment hazard characteristics of your introduction (Step 5.4)

If your introduction does not meet criteria for band 1; Next...check exposure band 2.

Exposure band 2 criteria

To be in exposure band 2, your introduction must meet the criteria:

  • The environment categorisation volume for your chemical is greater than 25kg, but no more than 1,000kg

Next...Work out the environment hazard characteristics of your introduction (Step 5.4)

If your introduction does not meet criteria, go to Exposure band 2; Next...check exposure band 3.

Exposure band 3 criteria

To be in exposure band 3, your introduction must meet the criteria:

  • The environment categorisation volume for your chemical is greater than 1,000kg, but no more than 10,000kg

Next...Work out the environment hazard characteristics of your introduction (Step 5.4).

If you are not in exposure bands 1-3 for the environment, you are in exposure band 4.

Exposure band 4 criteria

Reminder about introductions with a designated kind of release into the environment: if you're introducing one of these you are automatically in exposure band 4 for the environment. If this is your introduction type, go to Step 5.4: Work out your environment hazard characteristics.

To be in exposure band 4, your introduction must meet the criteria — the environment categorisation volume of your introduction is greater than 10,000kg.

Next:

Step 5.4 Work out your environment hazard characteristics

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