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Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff
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Comparing contaminated property redevelopment for mandatory and Voluntary Cleanup Programs in California.

Peter M Schwarz1, Craig A Depken, Alex Hanning

  • 1Department of Economics, Belk College of Business, University of North Carolina at Charlotte, Charlotte, NC 28223-0001, USA. pschwarz@uncc.edu

Journal of Environmental Management
|May 27, 2009
PubMed
Summary
This summary is machine-generated.

California

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Area of Science:

  • Environmental Science
  • Urban Planning
  • Environmental Policy

Background:

  • Contaminated property redevelopment is crucial for urban renewal.
  • Two main cleanup approaches exist in California: mandatory (CalSites) and voluntary (Voluntary Cleanup Program - VCP).
  • CalSites follow CERCLA liability, while VCPs use a risk-based approach (RBA) allowing residual contamination for non-residential use.

Purpose of the Study:

  • To compare redevelopment outcomes for properties under mandatory versus voluntary cleanup programs in California.
  • To determine if the risk-based approach of VCPs influences the type of redevelopment (residential vs. industrial).

Main Methods:

  • Analysis of redevelopment data from California contaminated properties.
  • Comparison of redevelopment proportions (residential, industrial, mixed-use) between CalSites and VCP properties.
  • Statistical analysis to assess trends and differences between the two cleanup programs.

Main Results:

  • A general trend towards increased residential redevelopment of contaminated sites was observed.
  • VCP properties showed a weaker trend towards residential redevelopment compared to CalSites.
  • This suggests the risk-based approach in VCPs may slightly favor non-residential (e.g., industrial) redevelopment.

Conclusions:

  • Both mandatory and voluntary cleanup programs in California are leading to significant residential redevelopment of contaminated sites.
  • The risk-based approach of the Voluntary Cleanup Program appears to moderately influence redevelopment choices, resulting in comparatively less residential development than the mandatory approach.
  • Further research could explore specific factors within the RBA that influence redevelopment decisions.