Search Results for the EPA National Library Catalog

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Biological Evaluation for the Issuance of Ambient Water Quality Criteria for Dissolved Oxygen, Water Clarity and Chlorophyll a for the Chesapeake Bay and Its Tidal Tributaries. 2003
Biological nutrient removal processes and costs. 2007
Biological treatment of concentrated sugar beet wastes / 1974
Biologically Enhanced Oxygen Transfer in the Activated Sludge Process. 1990
Breath of life : dissolved oxygen in Chesapeake Bay. 2007
British Columbia water quality guidelines for the protection of aquatic biota from dissolved gas supersaturation 1997
Causal analysis of biological impairment in Long Creek : a sandy-bottomed stream in coastal southern Maine. 2007
Characterization of hypoxia : topic 1, report for the integrated assessment on hypoxia in the Gulf of Mexico / 1999
Chesapeake Bay dissolved oxygen goal for restoration of living resource habitats : a synthesis of living resource habitat requirements with guidelines for their use in evaluating model results and monitoring information / 1992
Chesapeake Bay dissolved oxygen goal for restoration of living resource habitats : a synthesis of living resource habitat requirements with guidelines for their use in evaluating model results and monitoring information / 1993
Clark Fork River Study, Montana : July-August, 1973 / 1974
Clean Charles 2005 Water Quality Report: 2003 Core Monitoring Program. 2004
Clean Charles 2005 Water Quality Report: 2004 Core Monitoring Program. 2005
Coastal hypoxia : consequences for living resources and ecosystems / 2001
Columbia River nutrient study, 1972 / 1975
Comparison of Chesapeake Bay Estuary Model Calibration with 1985-1994 Observed Data and Method of Application to Water Quality Criteria. 2002
Comparison of Dissolved Oxygen Values Field Fixation versus Later Laboratory Determinations, Lower Platte River Basin. 1951
Comparison of Mid-Bay and lateral station water quality data in the Chesapeake Bay Mainstem : Chespaeake Bay Program. 1993
Comprehensive Conservation and Management Plan: Albemarle-Pamlico Estuarine Study. Technical Document, November 1994. 1994
Condition of South Carolina's Estuarine and Coastal Habitats During 1999-2000. Summary Report. 2002
Condition of South Carolina's Estuarine and Coastal Habitats During 1999-2000. Technical Report. South Carolina Estuarine and Coastal Assessment Program. 2002
Cypress Creek Basin : aquatic life use and dissolved oxygen concentrations during low-flow, high-stress summer conditions 1995-1996 / 1998
Dead in the water 2006
Depletion of oxygen by microorganisms in Alaskan rivers at low temperatures / 1970
Determination of land runoff effects on dissolved oxygen by mathematical modeling / 1971
Determination of the Chemical Oxygen Demand of Shell Chemicals with Cover Letter. 1982
Determination, Assessment, and Design of 'In-Stream Value' Studies for the Northern Great Plains Region. 1974
Development and Evaluation of Test Methods for Benthic Invertebrates and Sediments: Effects of Flow Rate and Feeding on Water Quality and Exposure Conditions. 1993
Development of dissolved oxygen criteria for freshwater fish / 1973
Development of dissolved oxygen probe cleaning apparatus 1967
Development of standard procedures for evaluating oxygen transfer devices / 1984
Development of standard procedures for evaluating oxygen transfer devices / 1983
Direct Filtration of Lake Superior Water for Asbestiform Fiber Removal. Appendix A. Weather and Lake Level Data, Water Quality Data, and Raw Water Pumping Schedule. 1975
Dissolved oxygen : water quality standards criteria digest : a compilation of State/Federal criteria. 1979
Dissolved Oxygen and Methane in Water By a GC Headspace Equilibration Technique. 1989
Dissolved oxygen impact from urban storm runoff / 1979
Dissolved oxygen in natural and waste waters, 1979 version : two methods. 1980
Dissolved oxygen in the Chesapeake Bay : processes and effects : proceedings of a Seminar on Hypoxic and Related Processes in Chesapeake Bay / 1987
Dissolved oxygen in the Tualatin River, Oregon, during winter flow conditions, 1991 and 1992 1997
Dissolved oxygen measurements in Ohio streams following urban runoff / 1980
Dissolved oxygen regimen of the Willamette River, Oregon, under conditions of basinwide secondary treatment 1977
Dissolved oxygen requirements of freshwater fishes, 1970
Dissolved-oxygen depletion and other effects of storing water in Flaming Gorge Reservoir, Wyoming and Utah 1979
Distribution of dissolved oxygen in the waters of western Long Island Sound / 1971
Distribution of Fingerling Brook Trout, 'Salvelinus fontinalis' (Mitchill), in Dissolved Oxygen Concentration Gradients. 1990
Draft ambient water quality criteria for dissolved oxygen (saltwater) : Cape Cod to Cape Hatteras. 1999
Ecological and economic consequences of hypoxia : topic 2, report for the integrated assessment on hypoxia in the Gulf of Mexico / 1999
Ecological functions of off-channel habitat, Willamette River, Oregon : final research plan / 1997
Economic Analyses of Nutrient and Sediment Reduction Actions to Restore Chesapeake Bay Water Quality. 2003
Ecosystem Effects of Oyster Restoration in Virgina Habitat and Lease Areas. A Report to the Maryland Department of Natural Resources. 2006
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