Search Results for the EPA National Library Catalog

Items Found: 966
Showing: Items 901 - 950
Your Search: (SUBJECT=Fresh water)


 
 
 
PREV 1 ... 9 10 11 12 13 14 15 16 17 18 19 20 NEXT
Select Item Title Year Published
Toxaphene : ambient water quality criteria. 1978
Toxic effect of water soluble pollutants on freshwater fish. 1977
Toxic Effects of Cadmium on Three Generations of Brook Trout (Salvelinus fontinalis). 1976
Toxic effects of zinc on fathead minnows Pimephales promelas in soft water / 1978
Toxicity and Bioaccumulation of Cadmium and Lead in Aquatic Invertebrates. 1978
Toxicity and metabolism studies with EPA priority pollutants and related chemicals in freshwater organisms {MICROFICHE} 1983
Toxicity of Ammonia to Early Life Stages of the Green Sunfish (Lepomis cyanellus). 1984
Toxicity of Bromate to Striped Bass Ichthyoplankton ('Morone saxatilis') and Juvenile Spot ('Leiostomus xanthurus'). 1981
Toxicity of chlorinated power plant condenser cooling waters to fish / 1976
Toxicity of DDT food and water exposure to fathead minnows / 1976
Toxicity of diazinon to brook trout and fathead minnows / 1977
Toxicity of Synthetic Pyrethroids to Freshwater Invertebrates. 1989
Toxicity of Textile Mill Effluents to Freshwater and Estuarine Algae, Crustaceans and Fishes. 1980
Toxicity to Fathead Minnows of Endrin in Food and Water. 1978
Toxicity, bioconcentration, and metabolism of five herbicides in freshwater fish / 1983
Transduction of Linked Chromosomal Genes between 'Pseudomonas aeruginosa' Strains during Incubation In situ in a Freshwater Habitat. 1990
Trophic structure modifications by planktivorous fish in aquatic microcosms / 1977
Turbulent Mixing in Aquatic Microcosms. 1980
Turnover of Extracellular DNA in Eutrophic and Oligotrophic Freshwater Environments of Southwest Florida. 1989
Understanding oil spills and oil spill response / 1999
Underwater and floating-leaved plants of the United States and Canada / 1967
Upconing of a salt-water/fresh-water interface below a pumping well 1985
Uptake and Depuration Studies of PCDDs and PCDFs in Freshwater Fish. 1986
Uptake of Toxic Water Pollutants (PCB) by Lake Trout. 1973
Use of Aquatic Plants in the Rehabilitation of Acid Polluted Streams. 1972
Use of Bioassays in Determining the Toxicity of Sediment to Benthic Organisms. 1985
Use of Ecoregions in Biological Monitoring. 1992
Use of exposure units for estimating aquatic toxicity of organophosphate pesticides / 1977
Use of historical data sets to determine causes of variability and long term trends in the abundance of white perch in the York and Choptank Rivers 1990
Use of Linear Free Energy Relationships and an Evaluative Model to Assess the Fate and Transport of Phthalate Esters in the Aquatic Environment. 1980
Use of Respiratory-Cardiovascular Responses of Rainbow Trout ('Salmo gairdneri') in Identifying Acute Toxicity Syndromes in Fish Part 3. Polar Narcotics. 1989
Use of the Amphipod Crustacean 'Hyalella Azteca' in Freshwater and Estuarine Sediment Toxicity Tests. 1988
Use of the mixed flask culture (MFC) microcosm protocol to estimate the survival and effects of microorganisms added to freshwater ecosystems / 1989
Validity of laboratory tests for predicting copper toxicity in streams / 1976
Verhandlungen der Internationalen Vereinigung fèur Theoretische und Angewandte Limnologie. 1922
Vertebral Dysplasia in Young Fish Exposed to the Herbicide Trifluralin. 1979
Warmwater stream alteration in Iowa: extent, effects on habitat, fish, and fish food, and evaluation of stream improvement structures : (summary report) / 1976
Warmwater Streams Symposium : a national symposium on fisheries aspects of warmwater streams : proceedings of a symposium held at the University of Tennessee, Knoxville, Knoxville, Tennessee, 9-11 March, 1980 / 1981
Waste Investigations, Semet-Solvay Division, Allied Chemical and Dye Corporation, Tonawanda, New York. Part I. Waste Survey Report. Part II. Bioassay Investigations. 1956
Water Chemistry and Fish Community Responses to Episodic Stream Acidification in Pennsylvania, USA. 1992
Water futures : assessment of long-range patterns and problems / 1997
Water in crisis : a guide to the world's fresh water resources / 1993
Water plants of the world : a manual for the identification of the genera of freshwater macrophytes / 1974
Water Pollution Control Sewage Treatment Water Treatment. Selected Biological References. 1963
Water quality benefits analysis for proposed pretreatment standards for existing and new sources for the industrial laundries point source category. 1997
Water quality conditions in the Chesapeake Bay system / 1972
Water quality criteria research of the U.S. Environmental Protection Agency : proceedings of an EPA-sponsored Symposium on Marine, Estuarine and Fresh Water Quality, presented at the 26th annual meeting of the AIBS, August 1975 / 1976
Water Quality Criteria to Protect the Fish Population Directly Below Sewage Outfalls. 1971
Water quality criteria, 1972 : a report of the Committee on Water Quality Criteria, Environmental Studies Board, National Academy of Sciences, National Academy of Engineering, Washington, D.C., 1972. 1974
Water Quality Criteria. Report of the National Technical Advisory Committee to the Secretary of the Interior. 1968
PREV 1 ... 9 10 11 12 13 14 15 16 17 18 19 20 NEXT

Save, Print or Email Selected Records