Phase 4 land quality assessments

Once the measures outlined in the remediation scheme/strategy have been put in place, a verification report should be completed.

This stage is often missed but is essential to discharge the condition and enable the Local Authority to confirm remediation in future searches.

Requirements for phase 4 land quality assessments

• Report objectives
• Remediation objectives for each pollutant linkage
• Remediation criteria
• Plans of areas remediated
• Monitoring and maintenance plan where required
• A refined conceptual site model evidencing that the remedial objectives have been met

As a minimum we expect:

• Colour photographs
• Sampling of imported material
• Relevant certificates, for example, waste transfer notes

Relevant guidance for phase 4 land quality assessments

The guidance information listed below can be found on the links to the right of this page.

• CLR 11 Model procedures for the management of land contamination
• The National Planning Policy Framework
• Guidance on requirements for land contamination reports from the Environment Agency
• The Building Regulations 2000: Site preparation and resistance to contaminants and moisture: Approved document C
• Guidance for the safe development of housing on land affected by contamination from National House Building Council (NHBC), Environment Agency and Chartered Institute of Environmental Health (CIEH)
• Soil guideline values from the Environment Agency
• Toxicological reports from the Environment Agency
• Cover system guidance (BRE)

These lists are not exhaustive and act as a guideline only, you should satisfy yourself that all information relevant to site is included.

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