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Dilution Models for Effluent Discharges, Third Edition

Description: Report describing two initial dilution plume models, RSB and UM, and a model interface and manger, PLUMES, for preparing common model input and running the models. Included is a discussing of general aspects of dilution modeling; a user's guide to the model interface (PLUMES); a tutorial of the interface; example applications; overview of the Roberts, Snyder, Baumgartner (RSB) model; overview of UM model theory, overview of the Fairfield algorithm, and model recommendations and descriptions.
Date: June 1994
Creator: Baumgartner, D. J. 1933-; Frick, W. E. & Roberts, Philip J. W.
Item Type: Refine your search to only Report
open access

Extended Aeration Sewage Treatment in Cold Climates

Description: Report presenting a summary of results of efforts to develop design criteria for biological treatment of low temperature domestic sewage, using experimental aeration units in Alaska. Two parallel low temperature extended aeration units were designed and operated near Fairbanks, Alaska. Facilities, methods, operation, and performance of the facilities are described. Also discussed in the report are performance criteria including: aeration for oxygen transfer and mixing, comparative clarifier per… more
Date: December 1974
Creator: Coutts, Harold J. & Christianson, C. D.
Item Type: Refine your search to only Report
open access

Joint Treatment of Municipal Sewage and Pulp Mill Effluents

Description: Report describing an industrial-municipal research project conducted by the Green Bay Metropolitan Sewerage District in corporation with the American Can Company, Fort Howard Paper Company, Green Bay Packaging, Inc., and the Charmin Paper Products Company. The project determined the technical and economic feasibility of jointly treating the influent to the present treatment facilities of the district in combination with the weak effluents from the pulping sections of these four local paper mill… more
Date: July 1970
Creator: Green Bay Metropolitan Sewerage District
Item Type: Refine your search to only Report
open access

A Method for Determining the Compatibility of Hazardous Wastes

Description: Report describing a study to develop a method for determining the compatibility of binary combinations of hazardous wastes. A literature study is described of case histories of accidents caused by the combinations of incompatible wastes, industrial waste stream constituents, hazardous chemical data, and basic chemical reactions. A chart based on the study is presented that shows 41 reactivity groupings of hazardous wastes designated by Reactivity Group Numbers (RGN) (Foreward).
Date: April 1980
Creator: Hatayama, H. K.; Chen, J. J.; de Vera, E. R.; Stephens, R. D. & Storm, David L.
Item Type: Refine your search to only Report
open access

Nonpoint Source--Stream Nutrient Level Relationships: A Nationwide Study

Description: Report describing a nationwide study of National Eutrophication Survey (NES) data collected in the United States from a network of 928 non-point source watersheds. These were studies for relationships between macro-drainage area characteristics and nutrient levels in streams. The study background is detailed, including a discussion of the study objectives, literature consulted, selection of watersheds, and data collection methods. Discussion of the results includes mapped interpretations of the… more
Date: September 1977
Creator: Omernik, James M.
Item Type: Refine your search to only Report
open access

Photochemical Oxidant Air Pollutant Effects on a Mixed Conifer Forest Ecosystem: A Progress Report

Description: Report describing a study on integrated studies to determine the chronic effects of photochemical oxidant air pollutants on a western mixed conifer forest ecosystem. The report describes the forest ecosystem and air pollutant conditions of twelve subsystems comprising the conifer forest ecosystems of the San Bernardino Mountains in southern California and presents research results where they are available with the goal of making a data management system completely operational, and continuing mo… more
Date: September 1977
Creator: Miller, Paul R. & Elderman, Michael J.
Item Type: Refine your search to only Report
open access

Prediction of Mineral Quality of Irrigation Return Flow: Volume 2, Veneral Field Study

Description: Report in a series documenting the development and verification of a digital computer modeling effort to predict the mineral quality changes in return flows occurring as a result of irrigating agricultural lands. This volume details the field investigations conducted to develop and validate the "Simulation Model of Conjunctive Use and Water Quality for a River System or Basin," including the quantity and quality of ground water, irrigation water and return flow, crop inventory and consumptive u… more
Date: August 1977
Creator: Shaffer, Marvin J.; Ribbens, Richard W. & Huntley, Charles W.
Item Type: Refine your search to only Report
open access

Pyrolysis of Industrial Wastes for Oil and Activated Carbon Recovery

Description: Report describing a new process developed by the Garrett Research and Development Company to produce up to two barrels of synthetic fuel oil from a ton of dry cellulosic solids. The results from a four-phase laboratory, pilot plant, product evaluation, and engineering evaluation program to study the pyrolytic conversion of Douglas fir bark, rice hulls, grass straw, and animal feedlot waste to synthetic fuel oil and char are presented. Laboratory pyrolysis pilot plant procedures, product prepara… more
Date: May 1977
Creator: Boucher, F. B.; Knell, E. W.; Preston, G. T. & Mallan, G. M.
Item Type: Refine your search to only Report
open access

The QTRACER2 Program for Tracer-Breakthrough Curve Analysis for Tracer Tests in Karstic Aquifers and Other Hydrologic Systems

Description: Document serving as a technical guide to various groups who must address potential and/or existing contamination problems in hydrological systems. A computer program, QTRACER2, developed to facilitate tracer-breakthrough (BTC) analysis is described. In addition to a user-manual for the software, testing design factors, methodology, example analyses, and data interpolation and extrapolation effects and discussed.
Date: May 2002
Creator: Field, Malcolm S.
Item Type: Refine your search to only Report
open access

REDEQL. EPAK: Aqueous Chemical Equilibrium Computer Program

Description: Report explaining the use of a computerized chemical equilibrium program, REDEQL. EPAK, for determining the equilibrium and speciation of metals and ligands in aqueous systems. The report addresses modifications and updates to the program related to temperature, degree of saturation, and attainment of an electrically neutral solution from a previously published user's guides. Application of the program including these modifications is illustrated with a sample case of river water. Also included… more
Date: May 1980
Creator: Ingle, Sara E.; Keniston, James A. & Schults, Donald W.
Item Type: Refine your search to only Report
open access

Regionalization as a Tool for Managing Environmental Resources

Description: Report explaining the concert and nature of regions and the utility of a regional framework for resource management. Discussed in the report is the nature of regions and boundaries, popular regional frameworks, the synoptic approach to defining regions, the process of selection regionally representative reference sites, methods of analysis data from these sites, the application of water water resource criteria to an ecoregional framework in accordance with regional capacities, and other areas o… more
Date: July 22, 1989
Creator: Gallant, Alisa L.; Whittier, Thomas R.; Larsen, David P.; Omernik, James M. & Hughes, Robert M.
Item Type: Refine your search to only Report
open access

Storage of Wastes From Watercraft and Disposal at Shore Facilities

Description: Report describing a program to establish the effectiveness and acceptability of watercraft impoundment system in controlling the principal waste sources, sanitary and galley waste, with disposal at a shore facility from watercraft (Abstract). Included is a description of the system, including component design, fabrication, and installation; operational testing and evaluation activities; and a summary of system costs.
Date: April 1970
Creator: General Dynamics Corporation. Electric Boat Division
Item Type: Refine your search to only Report

Urban Soil Lead Abatement Demonstration Project: EPA Data Dictionary With Associated Data Sets

Description: Data dictionary compiled to accompany Environmental Protection Agency (EPA) Urban Soil Lead Abatement Demonstration Project data sets, which include data collected in Baltimore, Boston, and Cincinnati. Nine SAS data sets are available in electronic format and accompany this data dictionary. The data dictionary provides a brief description of each data set, information on extraction of the data sets, and a data dictionary presenting in tabular format.
Date: September 1996
Creator: Elias, Robert; Grant, Lester D. & Marcus, Allan
Item Type: Refine your search to only Dataset
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