Effect of Concentration on the Biological Degradation of Petroleum Hydrocarbons Associated with In Situ Soil-Water Treatment
Sandy soil samples contaminated with weathered JP-5 jet fuel were mixed with uncontaminated sand to provide a concentration gradient from 187 to 1565 mg total petroleum hydrocarbons (TPH)/Kg...
Biological Treatment of PAHs in Soil Residues in Simulated Land Treatment Systems
The lower molecular weight compounds (2 and 3 ring PAHs) are readily degraded by microorganisms. The heavier molecular weight PAH (polycyclic aromatic hydrocarbon) compounds (4, 5 and...
Biological Methods Petroleum Hydrocarbons Cleanup
Cleanup of the ground water and soils from hydrocarbon spills has mainly focused on air stripping and activated carbon for ground-water treatment, and vapor extraction and excavation followed...
Gas Transfer at Hydraulic Structures
Field measurements of gas transfer at hydraulic structures are notoriously difficult and imprecise. A technique which measures the transfer of hydrocarbon tracer gases has been tested...
Synthetic Organic Contaminants and Pesticides in Groundwater
For decades, the groundwater of Suffolk County, New York, has been bacteriologically and chemically of superior quality despite the high iron and manganese occasionally encountered in...
The DST Well: Its Importance and Lessons Learned
A Deep Stratigraphic Test (DST) well is a unique source of stratigraphic information; and provides critical data on drilling conditions, logistics, materials; and subsurface conditions...
Environmental Impacts from Treated Ballast Water Discharge into Port Valdez, Alaska
A ballast water treatment plant has operated on the south shore of Port Valdez, Alaska since 1977. In recent years the plant processed, on the average, nearly 51,000 m**3 of the ballast...
Hydrocarbon Refining Waste Stabilization for Landfills
Mobile pollutants are generated in a landfill as a function of the waste properties and the response of the deposit to the in-situ stress, climate and biochemical conditions. Release of...
Groundwater Contamination by Chlorinated Hydrocarbons: Causes and Prevention
Groundwater contamination by chlorinated hydrocarbons is becoming a major problem to public water suppliers and private homeowners who have their own wells. The chemical background, composition...
Pipeline Design for Hydrocarbon Gases and Liquids
This report,
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