Last edited 09 Feb 2018

Materials Management Plan (MMP)

A materials management plan (MMP) is a mechanism by which those who are developing a site can comply with Environment Agency regulations for excavated ground materials.

Submitting an application for an environmental permit from the Environment Agency or an exemption from waste management licensing regulations can be time consuming and complex. MMPs allow developers to avoid these requirements, and permit the reuse of both natural soils and made-ground (contaminated or otherwise).

The reuse of this material can give significant environmental benefits, such as reducing resource consumption, as well as financial benefits, such as lower disposal and purchasing costs.

The independent body, Contaminated Land: Applications in Real Environments (CL:AIRE) promotes the sustainable remediation of contaminated land and groundwater. It produced a Code of Practice (CoP) to enable the reuse of excavated material without it being classified as waste. An MMP must be created in order to comply with the CoP.

The MMP should be completed and authorised before any materials can be reused on site, showing that human health will not be harmed or the environment polluted.

The MMP must demonstrate consideration of the following:

  • Protection of human health.
  • Protection of the environment.
  • Suitability of the material without treatment.
  • Suitability of the material after treatment.
  • What is being used, how much is being used, where it is being used, and so on.

CL:AIRE has produced a form that supports the completion of an MMP. It should contain information about the project as well as supporting evidence such as risk assessments and site investigation reports.

A 'qualified person', registered with CL:AIRE, must review the completed MMP and provide a declaration to the Environment Agency to confirm that the requirements have been met.

The developer should then implement the MMP closely, recording any changes that are made during the course of the project, and reconciling them if necessary.

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