Guidance

Using unbound incinerator bottom ash aggregate (IBAA) in construction activities: RPS 206

When you can use unbound municipal IBAA in construction activities without an environmental permit.

• From: Environment Agency
• Published: 19 September 2017
• Last updated: 31 July 2020 — See all updates

This publication was withdrawn on 29 January 2021

RPS 206 expired on 31 January 2021. We have issued a replacement regulatory position statement RPS 247 to cover using Incinerator Bottom Ash Aggregate (IBAA) in construction activities.

Applies to England

Documents

Using unbound IBAA in construction activities: RPS 206

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If you comply with the conditions in this regulatory position statement (RPS), you will not normally need to apply for an environmental permit to use unbound IBAA.

Published 19 September 2017
Last updated 31 July 2020 + show all updates

1. 31 July 2020

   We have extended the expiry date to 31 January 2021 and clarified that the tonnage values in the table are measured on a dry basis.

2. 7 February 2020

   We have extended the expiry date to 31 July 2020, added information about what you must do to safeguard hydrogen and restricted the use of IBAA under residential properties. You must also keep records for 2 years that show you have complied with this RPS.

3. 9 August 2019

   We've extended this RPS until 31 January 2020 to allow research work with industry to conclude. We've also clarified the reference to BS EN 13242:2013 and added that 95% of the IBAA surface must be entirely covered by a low permeability surface or building.

4. 22 January 2019

   The Environment Agency has updated this regulatory position statement to clarify the scale and scope of the uses of incinerator bottom ash aggregate.

5. 17 August 2018

   This regulatory position statement has been extended for one year until 19 August 2019.

6. 19 September 2017

   First published.