library > Case Studies

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    Case Study Initiative Database

    Compilation of Case Study's collected under SURF's Case Study Initiative (CSI)
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    Comparison of Exposures for Conducting Environmental Work

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    Foster, B.T., 2008. Summary: This discussion follows from the paper, "The Environmental Impact of Conducting Environmental Work". While the previous paper described the means for evaluating the impact of conducting environmental work, this discussion focuses on the means for comparing potential exposures. (An abbreviated version of this paper was presented at the International MGP Symposium held in Reading, England in April 2006.)
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    Environmental Balancing of 'Cold' SVE & Thermally Enhanced SVE

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    Hiester, U., V. Schrenk and T. Weiss, 2003. Proceedings of ConSoil 2003. Summary: The authors employed Life Cycle Assessment (LCA) to evaluate the performance of ‘cold’ soil vapor extraction (SVE) compared to subsequent application of thermally enhanced SVE (TSVE). The study assessed environmental impacts, including: cumulative energy demand, total waste, fossil resources, land use, global warming, acidification and photo-oxidant formation.
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    Life-Cycle Framework for Assessment of Site Remediation Options

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    Case Study Page et al., Environmental Toxicology and Chemistry, Vol. 18, No. 4, pp. 801-810, SETAC Press, 1999. Summary: An adaptation of life-cycle assessment for contaminated site remediation activities was used to examine a lead-contaminated site remediated by excavation and disposal. The study indicated emissions and impacts associated with energy consumption, solid waste production, land use at four sites, and potential toxicity from emissions and contaminants remaining on-site. The life-cycle approach proved useful for identifying potential impacts occurring at local, regional, and global scales, over all activities and locations affected by the remediation.
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    The Environmental Impact of Conducting Environmental Work

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    Foster, B.T., 2008. Summary: Performing environmental work creates environmental impacts. Assessment and remedial activities consume natural resources, produce waste products, and create exposures. Activities such as subsurface drilling, well installation, sampling, dewatering, excavation, treatment, and disposal require equipment, material, fuel, air, and water. These resources are consumed by the work leaving waste products that must then be dealt with. These include particulate matter, greenhouse gases such as CO2, wastewater discharges, and various soil and material waste streams. Assessment and remedial activities can also create human and ecological exposures that are higher than what existed prior to beginning the work. (An abbreviated version of this paper was presented at the International MGP Symposium held in Reading, England in April 2006.)