- What's toxic to ecosystems? Thompson, Chris; Vaughan, Gary // Ecos;Summer95/96, Issue 86, p20
Describes the steps in remediation, a process of on-site soil cleaning. Chemical tests required; Selection of levels of ecosystem used to assess the toxicity of media; Use of earthworms, soil insects, terrestrial plants and bacteria to test soils; Metabolic pathways common to worms and human. ...
- Physical/chemical treatment of organically contaminated soils and sediments. Watson, John G. // Journal of the Air & Waste Management Association;Oct96, Vol. 46 Issue 10, p993
Focuses on the removal of excessive organic materials caused by leaks and spills from contaminated soils. Removal of volatile organic chemicals by soil vapor extraction; Heating of the soil using hot air, steam and radio frequency; Direct injection of an oxidant; Treatment time objectives; Site...
- Evaluation of in situ physical vacuum-based treatment technologies. Dayal, Prabhu // Journal of the Air & Waste Management Association;Oct96, Vol. 46 Issue 10, p999
Evaluates the effectiveness of in situ physical vacuum-based soil treatment technologies. Determination of spatial distributions of three-phase fluid saturations of an oil spill simulation; Underground storage tank regulations; Efficiency and cost issues.
- Composting cleans up contaminated soils at military bases. // BioCycle;Apr95, Vol. 36 Issue 4, p8
Reports that composting has been used as treatment alternative to incineration for remediating explosives contaminated soils at the Umatilla Army Depot in Oregon and the Naval Submarine Base site in Washington state. Recipe for maximum explosive decomposition; Achievement of risk-based cleanup...
- BALTIMORE PUTS RESEARCH FINDING TO WORK REMEDIATING SOILS. Hill, David M.; Glenn, Gregory M. // BioCycle;Jun2003, Vol. 44 Issue 6, p20
Discusses how Baltimore, Maryland uses research findings for soil remediation. Lead poisoning; Approaches in remediating lead in urban soils; Compost used in the project.
- A positive force in cleansing land. Black, Harvey // New Scientist;8/10/96, Vol. 151 Issue 2042, p23
Focuses on the technique in cleaning contaminated land based on the usual `pump and treat' approach. Problems with the standard approach; Method for separating iron oxides from the surface of the soil particles or `matrix'; Injection of large positive ions to groundwater when pumping water to...
- Remediation innovation. Griffin, Jeff // Underground Construction;Oct97, Vol. 52 Issue 10, p39
Reports on the use of horizontal remediation well technology to remove underground contamination at the site of a former manufactured gas plant in Illinois. Surface conditions; Location and configuration of contamination plume; Purpose of the well; Installation of the well.
- Germany confronts Cold War debt. Reina, Peter // ENR: Engineering News-Record;7/31/95, Vol. 235 Issue 5, p32
Focuses on the German government's efforts to bioremediate soils with TNT concentrations in former East German military camps. Environmental damage caused by the Cold War; Establishment of common data bases to rank contamination and estimate costs.
- Ground fish feeds remediated microbes. // BioCycle;Nov97, Vol. 38 Issue 11, p10
Reports on the growing trend toward using bacteria in cleaning polluted soil. Experiment in France in which fish meal is added to beaches marred by oil spills; Experiment at Purdue University in Indiana that tests ways of using microbes to clean up soil contaminated by gasoline leaked from...