Search Results for the EPA National Library Catalog

Items Found: 968
Showing: Items 751 - 800
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Proceedings of the first and second USA-USSR symposia on the effects of pollutants upon aquatic ecosystems. 1978
Proceedings of the third USA-USSR Symposium on the effects of pollutants upon aquatic ecosystems : theoretical aspects of aquatic toxicology, July 2-6, 1979, Borok, Jaroslav Oblast, USSR / 1980
Proceedings Workshop on Stream Channelization and Wetland Drainage. Held at Quail Roost Conference Center, Rougemont, North Carolina on November 18, 1970. 1970
Proceedings Workshop on Toxic Metals in Water. 1971
Production and release of plant material in brackish and freshwater wetlands / 1981
Production cycles in aquatic microcosms / 1977
Production of Extracellular Nucleic Acids by Genetically Altered Bacteria in Aquatic-Environment Microcosms. 1989
Production, mortality, and power plant entrainment of larval yellow perch in western Lake Erie / 1979
Project HYPO. An Intensive Study of the Lake Erie Central Basin Hypolimnion and Related Surface Water Phenomena. 1972
Proposed Criteria for Water Quality. Volume I. 1973
Proposed Water Quality Guidance for the Great Lakes System. 1993
Protection of the quality and supply of freshwater resources 1992
Quantification of Octachlorostyrene and Related Compounds in Great Lakes Fish by Gas Chromatography - Mass Spectrometry. 1981
Quantitative microbial risk assessment to estimate illness in freshwater impacted by agricultural animal sources of fecal contamination / 2010
Radiation Protection Guides and Dose Assessment. 1964
Radiotracer Studies of Interactions between Sediments and Freshwater Macrobenthos. 1981
Regional monitoring program for the Galveston Bay plan / 1994
Relationship of Aquatic Ecoregions, River Basins and Physiographic Provinces to the Ichthyogeographic Regions of Oregon. 1987
Relationships of Hg(II) Volatilization from a Freshwater Pond to the Abundance of 'mer' Genes in the Gene Pool of the Indigenous Microbial Community. 1991
Report from the Science Advisory Board (SAB) Lookout Panel on freshwater ecosystems. 1997
Report of the Pesticides Technical Committee to the Lake Michigan Enforcement Conference on Selected Trace Metals. 1972
Report of the workshop on emerging research questions for limnology : the study of inland waters / 2003
Report on Bear Lake, Rich County, Utah, and Bear lake County, Idaho : EPA Region X / 1977
Report on Boysen Reservoir, Fremont County, Wyoming : EPA Region VIII / [U.S. Environmental Protection Agency, National Eutrophication Survey] / 1977
Report on Grand Lake, Chicot County, Arkansas : EPA Region VI / 1977
Report on Greer's Ferry Reservoir, Van Buren and Cleburne Counties, Arkansas : EPA Region VI / 1977
Report on Hells Canyon Reservoir, Baker and Wallowa Counties, Oregon [and] Adams and Idaho Counties, Idaho : EPA Region X / 1978
Report on Johnson Reservoir, Dawson and Gosper Counties, Nebraska : EPA Region VII / 1976
Report on Lake Bastrop, Bastrop County, Texas : EPA Region VI / 1977
Report on Lake Effie, Polk County, Florida : EPA Region IV / 1977
Report on Lake Meredith, Hutchinson, Moore, and Potter Counties, Texas. 1977
Report on Lakes Ouachita, Hamilton, and Catherine, Montgomery, Garland, and Hot Springs Counties, Arkansas : EPA Region VI / 1977
Report on Nimrod Lake, Perry and Yell Counties, Arkansas : EPA Region VI / 1977
Report on Ocean Lake, Fremont County, Wyoming : EPA Region VIII / 1977
Report on Payette Lake, Valley County, Idaho : EPA Region X / 1977
Report on Pollution Affecting Water Quality of the Cheyenne River System, Western South Dakota. 1971
Report on Sherman Reservoir, Sherman County, Nebraska : EPA Region VII / 1976
Report on the results of the bacteriological, chemical and biological examination of the London waters for the years 1967-1968 1969
Report on the results of the bacteriological, chemical and biological examination of the London waters for the years 1969-1970 1971
Report on the results of the bacteriological, chemical and biological examination of the London waters for the years 1971-1973 1974
Report on Viva Naughton Reservoir, Lincoln County, Wyoming : EPA Region VIII / [U.S. Environmental Protection Agency, National Eutrophication Survey] / 1977
Research plan & methods manual for the Oregon wetlands study / 1993
Reservoir fisheries and limnology. 1971
Residence Times of Waters Behind Barrier Islands. 1970
Resource Seasonality and Fish Diets in an Illinois Stream. 1982
Response of an Alaskan Wetland to Nutrient Enrichment. 1988
Response to freshwater inflow in the Rappahannock estuary, Virginia : operation hiflo '78 1981
Responses of Early Life History Stages of the Striped Bass, 'Morone saxatilis' to Chlorination. 1977
Results of a Fresh Water Acute Invertebrate Toxicity Study with 9-Undecenal, 2,6,10- trimethyl. 2015
Results of a Fresh Water Acute Invertebrate Toxicity Test with Cyclododecane, Methoxy. 2015
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