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What is a Brownfield?With certain legal exclusions and additions, EPA defines a "brownfield site" as real property whose expansion, redevelopment, or reuse may be complicated by the actual or potential presence of a hazardous substance, pollutant, or contaminant. Under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), the following conditions exclude properties from eligibility as brownfield sites:
Why are brownfields important?As properties are abandoned and environmental concerns inhibit their re-use, jobs are lost, economic growth slows, property values decrease, tax revenues decline, and neighborhoods deteriorate. As these typically urban industrial areas decay, developers look elsewhere in order to avoid potential liability imposed upon owners of contaminated property. This fear of liability and other significant barriers to redevelopment may drive developers and investors toward "greenfields" - undeveloped property typically located in suburban or rural areas. This results in decreasing amounts of pristine land, the possibility that these greenfields could eventually become contaminated by activities on the property, and a decline in the economy of industrial and urban areas. In the past five years, the public and private sectors have generated momentum toward investigating these sites as to their true environmental afflication, and identifying opportunities to remediate and redevelop these properties with the ultimate goal of revitalizing communities, neighborhoods, and typically underserved urban cores. Without brownfield initiatives, we will continue to develop properties further from the urban core, adding to sprawl, air pollution, congestion, and an overall decrease in the quality of life. How many brownfields are there in the United StatesIt is unknown how may properties or acres of land are considered to be brownfields, but estimates range from tens of thousands to 450,000 sites, with the size of these sites ranging from an acre to hundreds of acres. Where are they located?These sites are found throughout the United States, with the greatest concentration being in the Northeast and Midwest. However, to varying degrees, brownfields exist in all areas of the country. The degree of contamination on these properties ranges from minor to severe. The more highly contaminated properties may be cleaned up through Comprehensive Environmental Response Compensation and Liability Act (CERCLA, a.k.a. Superfund) activity, but some brownfield properties may not be contaminated to the point where cleanup will be addressed under a Superfund action. These properties are the primary focus of the U.S. Environmental Protection Agency's (EPA) Brownfield National Partnership Action Agenda. What are the barriers to brownfield redevleopment?A number of issues pose problems for brownfield redevelopment. Revitalization of a community may hinge upon social and economic issues, technical issues pertaining to environmental cleanup, legal concerns, financial concerns associated with often unpredictable and therefore costly redevelopment, community concerns, public health concerns, the overall prospects for a property's redevelopment, and the time necessary to address these many issues. |
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