If significant contamination is identified at a site then we can design a remediation strategy and methodology to mitigate this risk.

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The remedial approach comprises four key steps:

  1. Develop a remedial strategy;
  2. Undertake remediation works;
  3. Provide a Verification report; and
  4. Carry out long-term or post-remediation monitoring and maintenance (if required).

What are remediation techniques?

Remediation techniques are used to break pollutant linkages, thereby making a site safe. Remediation techniques include:

  • In-situ soil remediation to reduce the level of contaminants to safe levels (such as by adding lime);
  • Installation of an anti-dig membrane above contaminated soils to ensure they are not disturbed in the future;
  • Installation of a capping layer of clean, inert soil, often above an anti-dig membrane; and
  • Removal of contaminated soils off-site, although this is often costly and requires a landfill to accept the soil.

What is a Remedial Strategy?

A Remediation Strategy comprises an outline of the remedial solutions and the monitoring objectives to be put in place throughout the remediation works.

The most appropriate remedial solution is dependent on site-specific factors, including:

  • the nature of contamination;
  • the location and extent of contamination;
  • the proposed development and site usage; and
  • specific client requirements and timescales.

The Remedial Strategy will need to be agreed with the regulatory authorities before remediation works take place, and Mabbett can offer support throughout this process.

What is a Verification Report?

A Verification Report outlines the requirements of the remediation works including compliance criteria and monitoring details. The report is put in place to make sure that the remediation works are being carried out in-line with the Remedial Strategy and outlines what records are required for verification by Mabbett.

The Verification Report demonstrates how a contamination risk has been reduced and whether the specific remedial objectives have been met.

What happens if I need to do long-term or post-remediation monitoring?

You may need to do long-term monitoring or post-remediation monitoring to provide further verification information. This may be required as part of a planning condition, or as part of the site investigation.

The requirements for long-term or post-remediation monitoring is specified within the Remedial Strategy.

Contaminated Land - Related Services

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