Douglas Gunnison

Capping Contaminated Dredged Material, (9999)

Gunnison,Douglas, Brannon,James M., Hoeppel,Ronald E.

Capping contaminated dredged material with clean material to reduce the ecological impact of dredged material disposal in open water has been utilized by the New England and New York Districts....

Assessment of Sediment-Related Processes in a Central Wisconsin Reservoir, (9999)

Gunnison, Douglas, Barko, John W.

In 1937 the Wisconsin Valley Improvement Company (WVIC) constructed the 2,760-ha Big Eau Pleine Reservoir by impounding the Big Eau Pleine River. The reservoir was created to assist in providing...

Natural Attenuation of Explosives in Soil (2007)

Judith C. Pennington, Douglas Gunnison, Danny W. Harrelson, James M. Brannon, James M. Brannon, Mansour Zakikhani, ...

PRINTED ON RECYCLED PAPER The contents of this report are not to be used for advertising, publication, or promotional purposes. Citation of trade names does not constitute an official endorsement or...

Implementation Guidance for Determining Suitability of Microorganisms for Explosives Degradation (2007)

Asci Corporation, By Douglas Gunnison, Douglas Gunnison, Herbert L. Fredrickson, Herbert L. Fredrickson, David B. Ringelberg, ...

Q-92, Abstracts of the 98th General Meeting of the American Society for Microbiology, 1998, American Society for Microbiology, Washington, DC, p. 436. Fredrickson, H., Gunnison, D., Perkins, E., and...

September 1999 US Army Corps of Engineers (2007)

Engineer Research And, Judith C. Pennington, Judith C. Pennington, James M. Brannon, ...

Q-383, Abstracts 94th Annual Meeting of the American Society for Microbiology, 456. Lenke, H., Warrelman, J., Daun, G., Hund, K., Sieglen, U., Walter, U., and Knackmuss, H. (1998). "Biological...

Technical Approach for In Situ Biological Treatment Research: Bench- Scale Experiments (2006)

Zappi, Mark E., Gunnison, Douglas, Pennington, Judith, Cullinane, M. J., Teeter, Cynthia L.

The US Army Engineer Waterways Experiment Station has assessed the potential of in situ biotreatment for remediation of contaminated aquifers. The objectives of this effort were to determine the...

Description of Contaminant Sediment-Water Interactions Using RECOVERY (2006)

Sturgis, Thomas C., Ruiz, Carlos, Gunnison, Douglas, Pennington, Judith C.

Bedded sediments serve as sinks for many contaminants. Deposition of contaminants into the sediment begins a series of processes that may cycle contaminants back into the water column creating...

Rapid Development of Microbial Strains for Bioremediation of Military Soils and Dredged Materials Contaminated with Polycyclic Aromatic Hydrocarbons. (2006)

Gunnison, Douglas, Zappi, Mark E., Marcev, John R.

A study was undertaken to rapidly obtain native microorganisms Or consortia (groups of microorganisms acting together to remove a contaminant or groups of contaminants) with the ability to degrade...

Fate of 2,4,6-Trinitrotoluene in a Simulated Compost System (2006)

Pennington, Judith C., Myers, Karen F., Gunnison, Douglas, McCormick, Erika F.

Composting of explosives-contaminated soils is an economical alternative to other available treatment technologies. Development of a protocol for treatability studies in this work unit required mass...

Sediment Oxygen Demand and Its Effects on Dissolved Oxygen Concentrations and Nutrient Release; Initial Laboratory Studies (2006)

Price, Cynthia B., Cerco, Carl, Gunnison, Douglas

Three different approaches for examining sediment oxygen demand (SOD) are discussed. These include the use of freshwater sediment amended with organic matter as a source of energy to drive SOD...

Long-Term Effects of Dredging Operations Program. Development of a Simplified Column Test for Evaluation of Thickness of Capping Material Required to Isolate Contaminated Dredged Material (2003)

Gunnison, Douglas, Brannon, James M., Sturgis, Thomas C.

A procedure using a small-scale leaching column was developed for predicting the cap thickness required to chemically seal contaminated dredged sediment from the overlying water column. Several...

Effectiveness of Capping in Isolating Contaminated Dredged Material from Biota and the Overlying Water (2003)

Brannon, James M., Hoeppel, Ronald E., Sturgis, Thomas C., Gunnison, Douglas

The effectiveness of capping in chemically and biologically isolating contaminated dredged material was investigated using large- (250 pound) and small- (22.6 pound) scale laboratory reactor units....

Mechanisms That Regulate the Intensity of Oxidation-Reduction in Anaerobic Sediments and Natural Water Systems. (2002)

Brannon,James M., Gunnison,Douglas, Butler,Patricia L.

A literature review and a series of laboratory experiments were conducted to investigate the mechanisms that regulate the intensity of oxidation-reduction in natural environments. Results of the...

Reservoirs and Waterways. Identification and Assessment of Environmental Quality Problems and Research Program Development. (2002)

Keeley,John W., Mahloch,Jerome L., Barko,John W., Gunnison,Douglas, Westhoff,James D.

The Civil Works program of the Corps of Engineers (CE) involves the entire spectrum of water resources development for the Nation and, as such, is unique among Federal agencies. Current concern for...

Characterization of Anaerobic Chemical Processes in Reservoirs: Problem Description and Conceptual Model Formulation. (2002)

Gunnison,Douglas, Brannon,James M.

The occurrence of dissolved oxygen depletion and anaerobic processes in the hypolimnion of Corps of Engineers (CE) reservoirs can adversely impact water quality and directly affect CE Civil Works...

Interactions of Liquid Propellant/LP XM46 With Soils (2002)

Pennington, Judith C., Price, Cynthia B., Gunnison, Douglas, Rathburn, Donald W., Myers, Tommy E.

Development of an effective spill response plan for liquid propellant/LP XM46 (LP) required an understanding of the potential interactions between soil and the propellant. Studies were designed to...

Environmental and Water Quality Operational Studies. Reservoir Site Preparation: Summary Report. (2002)

Gunnison,Douglas, Brannon,James M., Chen,Rex L.

This report summarizes the results of Environmental and Water Quality Operational Studies (EWQOS) Work Unit IIF, Reservoir Site Preparation. The results of EWQOS and non-EWQOS studies pertinent to...

Dredging Operations Technical Support Program. Effectiveness of Capping in Isolating Dutch Kills Sediment from Biota and the Overlying Water. (2002)

Brannon,James M., Hoeppel,Ronald E., Sturgis,Thomas C., Gunnison,Douglas

The effectiveness of capping in chemically and biologically isolating contaminated dredged material was investigated using laboratory reactor units. The ability of Buttermilk Channel cap materials to...

Long-Term Effectiveness of Capping in Isolating Dutch Kills Sediment from Biota and the Overlying Water. (2002)

Brannon,James M., Hoeppel,Ronald E., Gunnison,Douglas

The effectiveness of capping in chemically and biologically isolating contaminated dredged material over a 1-year period was investigated using large (250-l) laboratory reactor units. The ability of...

Aquatic Plant Control Research Program: The Rhizosphere Microbiology of Rooted Aquatic Plants. (1998)

Gunnison, Douglas, Barko, John W.

The rhizosphere includes the root systems of higher plants and the assemblages of microorganisms associated with them. Plant-microbe interactions in the rhizosphere have not been extensively examined...

Evaluation of Proposed Dredged Material Disposal Alternatives for New York/New Jersey Harbor. Phase 1. (1998)

Poindexter, Marian E., Gunnison, Douglas, Macintyre, David F., Goforth, Gary F.

This report documents the field collection of contaminated sediments from the New York/New Jersey Harbor, laboratory testing of those sediments, and initial evaluation of the test results. The work...

New Bedford Harbor Superfund Project, Acushnet River Estuary Engineering Feasibility Study of Dredging and Dredged Material Disposal Alternatives. Report 6. Laboratory Testing for Subaqueous Capping. (1998)

Sturgis, Thomas C., Gunnison, Douglas

The thickness of capping material needed to chemically sequester the polychlorinated biphenyl (PCB)-contaminated New Bedford Harbor sediment from the overlying water column and aquatic biota was...

Investigation of Environmental Problems in the Big Eau Pleine Reservoir, Wisconsin. (1998)

Gunnison, Douglas, Barko, John W.

A study of environmental problems in the Big Eau Pleine Reservoir, Wisconsin, was undertaken in response to a request from the Wisconsin Department of Natural Resources to the US Army Engineer...

Analyses of Impacts of Bottom Sediments from Grand Calumet River and Indiana Harbor Canal on Water Quality. (1998)

Brannon, James M., Gunnison, Douglas, Averett, Daniel E., Martin, James L., Chen, Rex L.

The influence of polluted bottom sediments on the quality of water in the Grand Calumet River/Indiana Harbor Canal (GCR/IHC) was investigated. The approach used consisted of obtaining and analyzing...

Sediment-Water Interactions and Contaminants in Corps of Engineers Reservoir Projects. (1998)

Gunnison, Douglas, Brannon, James M., Mills, Aaron L., Blum, Linda K.

Contaminants in Corps of Engineers (CE) reservoir and waterway projects have caused problems in the past. The potential for these contaminants to cause additional problems has increased as more...

Comprehensive Analysis of Migration Pathways (CAMP): Contaminant Migration Pathways at Confined Dredged Material Disposal Facilities. (1998)

Brannon, James M., Pennington, Judith C., Gunnison, Douglas, Myers, Tommy E.

A confined disposal facility (CDF) is a diked enclosure having either permeable or low-permeable walls that are used to retain dredged material solids. There are two types of CDFs are located within...

Aquatic Plant Control Research Program: Evaluation of Factors Influencing Gas Evolution Beneath Benthic Barriers. (1998)

Gunnison, Douglas, Barko, John W.

Laboratory studies were conducted to determine the role of temperature, sediment type, and organic matter source and content in controlling the rate of gas evolution beneath a benthic barrier. An...

Evaluation of the Potential Use of Microorganisms in the Cleanup of Petroleum Hydrocarbon Spills in Soils. (1998)

Gunnison, Douglas

Soils and sediments at many military facilities have been contaminated with petroleum hydrocarbons (gasoline, lubricating oil, diesel fuel, aviation fuel), often as a consequence of spills occurring...

Proceeding of US Army Corps of Engineers Workshop on Sediment Oxygen Demand Held in Providence, Rhode Island on 21-22 August 1990. (1998)

Cerco, Carl, Gunnison, Douglas, Price, Cynthia B.

Sediment oxygen demand (SOD) and related processes control many water quality conditions. An understanding of SOD processes and their quantification is needed to assess the effects of US Army Corps...

Sediment-Overlying Water Relationships Affecting Wintertime Dissolved Oxygen Conditions in the Big Eau Pleine Reservoir, Wisconsin. (1998)

James, William F., Gunnison, Douglas, Eakin, Harry L., Barko, John W.

Effects of sediment disturbance and associated chemical oxygen demand on dissolved oxygen (DO) depletion were evaluated during the winters of 1989-1990 in the Big Eau Pleine Reservoir. As part of...

Screening Test and Isolation Procedure for TNT-Degrading Microorganisms. (1998)

Gunnison, Douglas, Pennington, Judith C., Price, Cynthia B., Myrick, Glenn B.

A test was developed to screen soils and sediments for the presence of microbial activity against 2,4,6-trinitrotoluene (TNT). TNT removal was observed with and without the use of chemicals to...

Installation Restoration Research Program. Alternative Methods for Biological Destruction of TNT: A Preliminary Feasibility Assessment of Enzymatic Degradation. (1998)

Wolfe, N. L., Ou, Tse-Yuan, Carreira, Laura, Gunnison, Douglas

The ability of a nitrate reductase enzyme extracted from pond sediment to remediate soils contaminated with low levels of TNT was evaluated. The enzyme extract was found to reduce TNT levels in four...

Evaluation of Operational Factors Contributing to Reduced Recharge Capacity, North Boundary Treatment System, Rocky Mountain Arsenal, Commerce City, Colorado. (1998)

Teeter, Cynthia L., Zappi, Mark E., Gunnison, Douglas, Strang, David W.

The North Boundary treatment system at Rocky Mountain Arsenal, Commerce City, Colorado, involves the pumping of contaminated ground water from an unconfined aquifer from one side of a soil bentonite...

Microbial Requirements for In Situ Biotreatment of Explosives. (1998)

Gunnison, Douglas, Davis, William M., Myrick, Glenn, Ochman, Michael, Evans, Wayne

The biological destruction of explosives in soil depends upon several factors in addition to the presence of suitable microorganisms or microbial consortia. Successful bioremediation requires...

Feasibility of Using Natural Attenuation as a Remedial Alternative for Explosives-Contaminated Groundwater at Site L1, Joliet Army Ammunition Plant, Joliet, Illinois (1998)

Pennington, Judith C., Harrelson, Danny W., Zakikhani, Mansour, Gunnison, Douglas, Clarke, Joan U.

Natural attenuation may be an attractive alternative to more expensive remediation technologies at sites that meet well-defined selection criteria, acceptable risk levels, and that satisfy specific...

Implementation Guidance for Determining Suitability of Microorganisms for Explosives Degradation (1998)

Gunnison, Douglas, Fredrickson, Herbert L., Ringelberg, David B., Perkins, Edward J.

This report pulls together past and recently completed research efforts conducted for the 6.1 basic work unit on "Microbiology and Degradation of Explosives." Results are summarized in the form of...

Evaluating Microbial Pathogens in Reservoirs. (1998)

Gunnison, Douglas

This technical note describes the results of an investigation that examined recent progress in evaluating the presence of microbial pathogens in reservoirs. Overall guidance as well as pertinent...

Natural Attenuation of Explosives in Soil and Water Systems at Department of Defense Sites (1998)

Pennington, Judith C., Gunnison, Douglas, Harrelson, Danny W., Brannon, James N., Zakikhani, Mansour

Natural attenuation as a remedial alternative may be appropriate where natural processes are sufficient to protect receptors of concern. The objectives of this project were to demonstrate natural...

Bioremediation of Soils Contaminated with Petroleum Hydrocarbons Using Bioslurry Reactors. (1996)

Banerji, Shankha K., Zappi, Mark E., Teeter, Cynthia L., Gunnison, Douglas, Cullinane, M. J.

The Department of Defense has over 12,000 sites contaminated from military activities. Many sites contain petroleum contamination and residues from fueling, maintenance, and training activities. Use...

Reduced Recharge Capacity of a Pump and Treat System (1992)

Teeter, Cynthia L, Gunnison, Douglas, Francingues, Norman R, Zappi, Mark E

The North Boundary treatment system at Rocky Mountain Arsenal (RMA), Commerce City, Colorado, involves pumping of contaminated groundwater from an unconfined aquifer from one side of a soil-bentonite...

Mechanisms That Regulate The Intensity Of Oxidation-Reduction In Anaerobic Sediments And Natural Water Systems (1978)

Brannon, James M., Gunnison, Douglas, Butler, Patricia L., Smith, Issac Jr.

A literature review and a series of laboratory experiments were conducted to investigate the mechanisms that regulate the intensity of oxidation-reduction in natural environments. Results of the...

Basis for the Resistance of Several Algae to Microbial Decomposition

Gunnison, Douglas, Alexander, Martin

The basis for the resistance of certain algae to microbial decomposition in natural waters was investigated using Pediastrum duplex, Staurastrum sp., and Fischerella muscicola as test organisms....

Basis for the Resistance of Several Algae to Microbial Decomposition

Gunnison, Douglas, Alexander, Martin

The basis for the resistance of certain algae to microbial decomposition in natural waters was investigated using Pediastrum duplex, Staurastrum sp., and Fischerella muscicola as test organisms....