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Contaminated Land

Contaminated land contains substances in or under the land that are actually or potentially hazardous to human or animal health, property and, or polluting the environment.

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Contaminated Land

Soil can be contaminated by many different human activities when hazardous substances are not used, stored or disposed of safely. Instances of soil contamination are highest in urban areas and former industrial sites, where manufacturing, industrial dumping, land development, waste disposal, and excessive pesticide or fertilizer use could potentially occur.

Some contaminants, such as agricultural chemicals, are applied to the soil surface. Others are released below the surface, due to leaks from buried tanks, sewage pipes, or landfills. Furthermore, contamination is not always limited to a specific site and can seep through the soil into groundwater or be carried to nearby land and waterways in rainwater, or as dust.

What is Contaminated Land?

Contaminated land contains substances in or under the land that are actually or potentially hazardous to human or animal health, property and, or polluting the environment. Contamination can also occur naturally as a result of the geology of the area, or through agricultural use. Many such sites may be affected by their former uses such as mining, industry, chemical and oil spills and waste disposal.

If the land is legally considered ‘contaminated land’, the person who caused or allowed the contamination to happen is responsible for dealing with it, unless they either can’t be identified, exemption is granted or the landowner is recognised and being accountable.

Contaminated Land and contaminated soil

Contaminated Land Survey

Land surveys are undertaken to ensure that a site or property does not present an unacceptable risk to the health of occupiers and other users, or to the environmental. This is normally required when there is reason to believe the site may have been impacted by contamination.

To ensure land being developed is suitable for use, preliminary assessment of risks from contamination is required under planning policy (the NPPF) and Local Authority Building Control Regulations. In the case of property transactions, a contaminated land survey is usually required by buyers, sellers, lenders or their advisers to ensure that the property is not impaired by unforeseen environmental liabilities.

 

Contaminated Land and contaminated soil

Remediation Treatments

Cleaning-up land contamination is known as Remediation. It is the action required to ensure that land contamination is no longer a risk to human health or the environment. Remediation includes assessing the condition of the site, carrying out any necessary clean up, restoring the site and making follow up inspections. Options for treating contaminated soil include:

  • Biological treatment/bioremediation uses bacteria to break down substances in the soil
  • Chemical oxidation converts contaminated soils into non-hazardous soils
  • Soil stabilisation involves the addition of immobilizing agents to reduce a contaminants’ leachability
  • Physical methods, like soil washing, use water to separate or remove contaminants

The Mick George Group have extensive knowledge in applying Remediation solutions.

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On behalf of the College’s Head of Estates and I, we would like to state how extremely pleased we both are with how the Environmental works have been managed.

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The efficient service and endeavour to go beyond the original scope of works has meant that the Environmental works have been conducted smoothly from start to finish. Thanks to all your team for their professionalism and friendliness.

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