Search Results for the EPA National Library Catalog

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Showing: Items 351 - 400
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Degradation of Riparian Leaves and the Recycling of Nutrients in a Stream Ecosystem. 1972
Delavan Lake, Walworth County, Wisconsin. 1974
Delaware Reservoir, Delaware County, Ohio. 1975
Delivering timely water quality information to your community : the Jefferson Parish-Louisiana Project. 2001
Demonstration and Transfer of Selected New Technologies for Animal Waste Pollution Control. 2009
Denitrification as a Pathway for Nitrate Removal in Aquatic Systems. 1973
Descriptive water quality for the Atchafalaya Basin, Louisiana / 1980
Design parameters for animal waste treatment systems : nitrogen control / 1976
Design parameters for the land application of dairy manure / 1976
Design Tradeoffs for Trend Assessment in Aquatic Biological Monitoring Programs. 2013
Despite Progress, EPA Needs to Improve Oversight of Wastewater Upgrades in the Cheasapeake Bay Watershed. Evaluation Report. 2008
Detergent phosphate ban : position paper / 1977
Determination of a Nitrogen-Phosphorus Budget for Bayou Texar, Pensacola, Florida. 1972
Determination of the Feasibility of Removal of Algal Nutrients in Lake Water by Ion Exchange. 1971
Determination of the Phosphate in Solid Waste Using the Vanadomolybdophosphoric Acid Method. 1971
Determination, Assessment, and Design of 'In-Stream Value' Studies for the Northern Great Plains Region. 1974
Determining the Nutrient Status of Drinking Water. 1989
Detritus Processing and Mineral Cycling in Seagrass 'Zostera' Litter in an Oregon Salt Marsh. 1984
Detroit River, Michigan: An Ecological Profile. 1988
Developing the Tools to Meet the Nation's Monitoring Needs: The Evolution of EMAP. Third Environmental Monitoring and Assessment Program (EMAP) Research Symposium, April 8-11, 1997. 1997
Development and Demonstration of Nutrient Removal from Animal Wastes. 1973
Development and Evaluation of Application Techniques for Delivery of Nutrients to Contaminated Shoreline in Prince William Sound. 1993
Development document for final effluent guidelines and standards for the construction & development category. 2009
Development Nutrient Numeric Endpoints and TMDL Tools for California Estuaries: An Implementation Plan. 2007
Development of a Chemical Denitrification Process. 1970
Development of a Pilot Plant to Demonstrate Removal of Carbonaceous, Nitrogenous and Phosphorus Materials From Anaerobic Digester Supernatant and Related Process Streams. 1970
Development of on-shore treatment system for sewage from watercraft waste retention system / 1974
Development, Replicability and Modeling of Naturally Derived Microcosms. 1978
Devils Lake, Benson and Ramsey Counties, North Dakota. 1976
Diagnostic Feasibility Study of Lake Waubee, Kosciusko Co., Indiana. 1982
Diatom Populations Changes in Lake George (NY). 1972
Differential Phytoplankton Sinking- and Growth-Rates: An Eigenvalue Analysis. 1980
Dillon Clean Lakes Study Final Report 1983
Dillon Reservoir - Blue River Study. Colorado, June, July, August - 1973. 1974
Dillon Reservoir, Muskingum County, Ohio. 1975
Direct and Residual Effects of Cadmium on the Growth and Elemental Composition of 'Arabidopsis thaliana'. 1986
Discharge, Water-Quality Characteristics, and Nutrient Loads from McKay Bay, Delaney Creek, and East Bay, Tampa, Florida, 1991-1993. 1996
Disinfection By-Product Formation and Control by Ozonation and Biotreatment. 1993
Distribution and Biotic Effects of Nutrients in Flathead Lake, Montana. 1975
Distribution of phytoplankton in Illinois lakes / 1978
Documentation for HAR03. A Computer Program for the Modeling of Water Quality Parameters in Steady State Multi-Dimensional Natural Aquatic Systems. Second Edition. 1974
Douglas Lake; Sevier, Jefferson, and Cocke Counties, Tennessee. 1976
Downcore Variation in Sediment Organic Nitrogen (Journal Version). 1982
Draft nutrient criteria technical guidance manual : wetlands. 2007
Duhernal Lake, Middlesex County, New Jersey. 1976
Dworshak Reservoir, Clearwater County, Idaho. 1977
Dynamic Water Quality Forecasting and Management. 1973
Dynamics of the Nitrogen Cycle in Lakes. 1970
E. V. Spence Reservoir, Coke County, Texas. 1977
Early diagenesis and chemical mass transfer in Lake Erie sediments / 1981
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