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Contamination and Remediation - Essay Example
Brownfield refers to 'Previously Developed Land', which could have been used for industrial or commercial purposes in the past. This term was derived from 'Greenfield' which refers to a previously unused land. Generally, Brownfields are sites where reuse or development is restricted due to presence of an inordinate amount of hazardous substances, pollutants, or contaminants…
These can prove to liabilities to the owners, since the least amount of detection in contamination can result in problems with selling the site, obtaining financing, or planning reuse. The revitalization of Brownfields provides several environmental, economic and community benefits. It revives the land, which was rendered unproductive by the contamination. It facilitates redevelopment of the site and hence engenders the growth in the economy by creating jobs.
The process of determining the levels of contamination at any Brownfield site plays a very important role. This ensures that we have a corresponding redevelopment or remediation strategy mapped out. In this research, we conduct an in-depth study on Brownfield development from an engineering view point by developing a methodology geared towards contaminant assessment and remediation. Finally we shall critically evaluate the application results of this methodology on a case study and draw inferences.
Contaminants pose serious risk to the environment. In a Brownfield, some of contaminants include agricultural waste, industrial waste, pesticides, heavy metals (e.g. lead, mercury), soil-acidifying agents (e.g. sulphur), salts and petroleum hydrocarbons. ...