Search Results for the EPA National Library Catalog

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Showing: Items 251 - 300
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Determination of the Toxicity of Trivalent and Hexavalent Chromium on the Oxygen Utilization of Sewage. 1949
Determining the Demand and Economic Value for the Water-Based Outdoor Recreation Resources at Lake MacBride State Park in the Summer of 1970. 1971
Determining the stability of treated municipal sludges / 1985
Developing a Hydro-Quality Simulation Model. 1970
Development and Evaluation Report: Physical-Chemical Marine Sanitation System. 1974
Development document for effluent limitations guidelines and new source performance standards for the synthetic resins segment of the plastics and synthetic materials manufacturing point source category. 1974
Development document for effluent limitations guidelines and new source performance standards [of the] beet sugar processing segment of the sugar processing industry. 1973
Development of a Mathematical Water Quality Model for Grays Harbor and the Chehalis River, Washington. 1974
Development of dissolved oxygen criteria for freshwater fish / 1973
Development of Dissolved Oxygen Criteria for Freshwater Fish. 1973
Development of methods and techniques for final treatment of combined municipal and textile wastewater, including sludge utilization and disposal / 1979
Development of on-shore treatment system for sewage from watercraft waste retention system / 1974
Development of Water Quality Models Using Spectral Analysis and Parameter Estimation Techniques. 1974
Diagenetic oxygen equivalents model of sediment oxygen demand / 1984
Dilute spent kraft liquor filtration through wood chips / 1970
Disposal of an integrated pulp-paper mill effluent by irrigation / 1979
Dissolved oxygen in the Chesapeake Bay : processes and effects : proceedings of a Seminar on Hypoxic and Related Processes in Chesapeake Bay / 1987
Dissolved oxygen, temperature, survival of young at fish spawning sites / 1976
Dissolved oxygen, temperature, survival of young at fish spawning sites / 1976
Dissolved Pollution Product Gases in Natural Waters. 1973
Distribution of autotrophic nitrifying bacteria in a polluted stream 1974
Distribution of Autotrophic Nitrifying Bacteria in a Polluted Stream. 1974
DO Model Uncertainty with Correlated Inputs. 1990
Documentation for HAR03. A Computer Program for the Modeling of Water Quality Parameters in Steady State Multi-Dimensional Natural Aquatic Systems. Second Edition. 1974
Documentation for SNSIM1/2, A Computer Program for the Steady-State Water Quality Simulation of Stream Network. 1973
DOSAG - 1 Simulation of Water Quality in Streams and Canals. Program Documentation and Users Manual. 1970
Drought Planning for Small Community Water Systems. 2006
Dry caustic peeling of clingstone peaches on a commercial scale / 1974
Dry-weather deposition and flushing for combined sewer overflow pollution control / 1979
Dual process high-rate filtration of raw sanitary sewage and combined sewer overflows / 1979
Dyestuff color removal by ionizing radiation and chemical oxidation / 1973
Dynamic Water Quality Forecasting and Management. 1973
Ecological Evaluation of Multiuse Waters Receiving Primary Treatment Effluent Prior to a Major Flow Increase. 1973
Ecological Impact of Surface Water Impoundments in the Great Plains Area. 1972
Economic analysis of coal supply in the Ohio River Basin energy study region 1980
Economic analysis of effluent guidelines : beet sugar industry / 1975
Economic Analysis of Effluent Guidelines for Selected Segments of the Seafood Processing Industry. (Catfish, Crab, Shrimp and Tuna). 1974
Economic Analysis of Effluent Guidelines on the Feedlots: Large Scale Segments. 1976
Economic Analysis of Effluent Guidelines: Meat Packing Industry. 1974
Economic Analysis of the Electric Utility Sector in the Ohio River Basin Region. 1981
Economic analysis of the proposed effluent guidelines for the ferroalloys industry. 1973
Economic and Administrative Feasibility Analysis of Alternative New-Car NOx Emission Charge Strategies. 1979
Economic and Engineering Aspects of Water in Delaware's Agri-Business Industry. 1970
Economic Benefits from an Improvement in Water Quality. 1973
Economic Effects of Environmental Expenditures on the Construction Industry. 1979
Economic Efficiency in the Allocation of Irrigation Water Over Time. 1972
Economic evaluation of the promulgated interim primary drinking water regulations 1975
Economic Evaluation of the Sport Fishery of the Au Sable River, Michigan. 1973
Economic impact analysis for the final secondary aluminum production national emission standard for hazardous air pollutants. 1999
Economic impact analysis for the proposed spandex production NESHAP. 2000
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