Search Results for the EPA National Library Catalog

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Potential algal productivity as measured by a turbidostat : final report, 1970-71 1971
Potentiometric Techniques for Monitoring Ions Involved in Water Pollution. 1971
Practical Directory to Phycovirus Literature. 1991
Predicting Concentration of Total Phosphorus and Chlorophyll 'a' in a Lake with Short Hydraulic Residence Time. 1985
Preliminary Assessment of Multiphase Restoration Efforts at Liberty Lake, Washington. 1982
Preliminary Ecological Study of Areas to be Impounded in the Salt River Basin of Kentucky. 1971
Preliminary Ecological Study of Areas to be Impounded in the Salt River of Kentucky. 1971
Preliminary Laboratory Research in Experimental Brackish Ecosystems (Recherches Preliminaires en Laboratoire sur des Ecosystems Saumatres Experimentaux). 1974
Preliminary Studies on a Biological Filter. 1971
Preliminary Study of the Taste and Odor Problems in Grand Lake, Ohio and the Wabash River, Indiana. 1969
Principles of Toxicity Testing with Marine Unicellular Algae. 1988
Proceedings : biostimulation - nutrient assessment workshop / 1975
Proceedings of a workshop on algae nutrient relationships in the San Francisco Bay and Delta, held November 8-10, 1973, at Clear Lake, California / 1975
Proceedings of Mississippi Water Resources Conference, (6th), Held at Vicksburg, Miss. on 13-14 April, 1971. 1971
Proceedings of Stormwater and Water Quality Model Users Group Meeting, January 27-28, 1983 / 1983
Proceedings of the 1991 Midwest Pollution Control Biologists meeting : environmental indicators : measurement and assessment endpoints / 1992
Proceedings of the Conference Water Resources Research - 1970. 1970
Proceedings of the Eutrophication-Biostimulation Assessment Workshop : June 19-21, 1969 / 1969
Proceedings of the Eutrophication-Biostimulation Assessment Workshop held at Hotel Claremont, Berkeley, California 19-21 June 1969. 1969
Proceedings of the International Seaweed Symposium. 1952
Proceedings of the Ninth International Seaweed Symposium : Santa Barbara, California (U.S.A.), 20-27 August 1977 1979
Proceedings of the seminar on biological monitoring and its use in the NPDES permit program : held at the Conrad Hilton Hotel, Chicago, Illinois, October 2, 1979 / 1980
Proceedings of the sixth symposium on recent and fossil diatoms 1981
Proceedings of Workshop on Algal Management and Control Held on 9-12 march 1980 at Pacific Grove, Calif. 1981
Proceedings, Workshop Conference on Reclamation of Maine's Dying Lakes. 1971
Proceedings. 1969
Processing Characteristics of Subsurface Macrophytes of Madison, Wisconsin Lakes in Relation to Mechanical Harvesting Systems. 1970
Progress at the Chesapeake Bay Program '92 and '93. Restoring the Chesapeake Bay, Annual Progress Report. 1993
Project HYPO. An Intensive Study of the Lake Erie Central Basin Hypolimnion and Related Surface Water Phenomena. 1972
Project report of a high-rate and dual-media filtration study in a northwestern Ohio water plant 1966
Properties and products of algae; proceedings. 1970
Proposed Steam Electric Power Plant, George Neal Steam Electric Station, Neal Unit No. 4, Port Neal Industrial District, Salix, Woodbury County, Iowa. Appendix. 1977
Provisional algal assay procedure / 1969
Provisional algal assay procedure, 1969 / 1969
Provisional algal assay procedures : final report / 1971
Provisional algal assay procedures. 1971
Pure cultures of algae, their preparation & maintenance / 1964
Quantitative Differences between Benthic Algal Communities Along a Depth Gradient in Lake Michigan. 1981
Rates of Photosynthesis and Phytoplankton Growth in Shagawa Lake, Minnesota. 1973
Rates, constants, and kinetics formulations in surface water quality modeling / 1978
Rates, constants, and kinetics formulations in surface water quality modeling / 1978
Rates, Constants, and Kinetics Formulations in Surface Water Quality Modeling. Second Edition. 1985
Real-Time Monitoring for Toxicity Caused by Harmful Algal Blooms and Other Water Quality Perturbations. 2001
Recolonization of Sediment-Associated Microalgae and Effects of Estuarine Infauna on Microalgal Production. 1983
Reconnaissance of sediment-phosphorus relationships in some Utah reservoirs 1983
Recreational Reuse of Municipal Wastewater. 1973
Relations of Nuisance Algae to Fishes in Upper Klamath Lake. 1968
Relationship of Methoxychlor to Periphyton Production under Laboratory and Semi-Natural Conditions. 1973
Relationships of productivity and problem conditions to ambient nutrients : National Eutrophication Survey findings for 418 Eastern lakes / 1978
Relative Contributions of Nutrients to the Potomac River Basin from Various Sources. 1970
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