Search Results for the EPA National Library Catalog

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Results of a Toxicity Study in the Unicellular Freshwater Green Alga (Desmodesmus Subspicatus) with 1H-Benzotriazole-1-methanamine, N,N-bis(2-ethylhexyl)-armethyl-. 2013
Results of Acute Toxicity Studies in Freshwater Green Algae and Fathead Minnows with Pentanoic Acid, Nonafluoro. 2009
Results of an Acute Algae Toxicity Test. 2012
Results of an Acute Toxicity Study in Daphnia magna with a Proprietary Mixture Containing (Confidential). 2008
Results of an Acute Toxicity Study in Freshwater Fish (Oncorhynchus mykiss) with a Mixture Containing Two Active Ingredients: (1) Substituted Nitrogen Containing Heterocycle A and (2) Substituted Nitrogen Containing Heterocycle B. 2008
Results of an Acute Toxicity Study in Freshwater Fish (Oncorhynchus mykiss) with Dinitrile. 2008
Results of an Acute Toxicity Study of Substituted Benzyl Ether in Freshwater Isopod (Asellus aquaticus). 2008
Results of an Acute Toxicity Study to the Marine Amphipod (Leptocheirus plumulosus) with an Experimental Pesticide. 2015
Results of an Algal Study with a Mixture Containing 1H-Pyrazole-5-Sulfonamide, N-(((4,6-dimethoxy- 2-pyrimidinyl)amino) carbonyl)-1-methyl 4-(2-methyl-2H-tetrazol-5-yl). 2011
Results of an Algal Toxicity Test and an Acute Toxicity Test in Daphnia. 2012
Results of an Aquatic Toxicity Study in Freshwater Plants with Methyl 2-(((((4-Ethoxy- 6(methylamino)- 1,3,5triazin-2yl)amino) carbonyl)amino)sulfonyl)benzoate. 2009
Results of an Aquatic Toxicity Study in Freshwater Plants with Methyl 2-(((((4-Ethoxy-6(methylamino) 1,3,5triazin-2yl) Amino)Carbonyl)Amin) Sulfonyl)Benzoate. 2009
Results of an Aquatic Toxicity Study in Freshwater Plants with Nitrogen Containing Heterocycle, Substituted (1) and Epoxide, Substituted (2)(Star 2). 2009
Results of Continuous Exposure of Fathead Minnow Embryo to 21 Priority Pollutants and Tables of Acute Toxicity Testing. 2000
Results of the Test Substance to the Freshwater Fish Rainbow Trout (Oncorhynchus mykiss). 2015
Results of Two Studies: (1) a Study of the Toxicity of Cyclohexanamine, 4,4'-methylenebis(N-(1 -methylpropyl)-, (Clearlink 1000)) to the Freshwater Green Algae, Selenastrum Capricornuaum and (2) a Study of the Toxicity of Clearlink100. 2010
Review of natural resource damage assessments in freshwater environments 1992
Riparian and aquatic ecosystem monitoring : a manual of field and lab procedures / 2003
Rivers of life : critical watersheds for protecting freshwater biodiversity / 1998
Rocky Mountain acidification study / 1983
Role of organic matter in structuring microbial communities 2004
Rotifers as monitors of heavy metal pollution in water 1974
Russian-English glossary of hydrobiology / 1958
Safety Data Sheet with Attached German Version and Cover Letter. 1984
Seasonal bathymetric distributions of 16 fishes in Lake Superior, 1958-75 1996
Seasonal fluctuations of major diatom species at five stations across Lake Michigan : May 1970-October 1972 / 1980
Seasonal variability in Prickly Pear Creek water quality and macroinvertebrate communities / 1987
Seasonal Variations of Stable Hydrogen and Carbon Isotope Ratios of Methane in Subtropical Freshwater Sediments. 1992
Section 7 Consultation, Sufficient Progress, and Historic Projects Agreement and Recovery Action Plan (RIPRAP); Recovery Implementation Program for Endangered Fish Species in the Upper Colorado River Basin 1995
Sediment and benthic community characterization below agriculture and aquaculture waste loadings in the Middle Snake River, south-central Idaho / 2005
Sediment classification methods compendium / 1992
Sediment in streams : sources, biological effects, and control / 1995
Selected coolwater fishes of North America : proceedings of a symposium held in St. Paul, Minnesota, March 7-9, 1978 / 1978
Sensitivity of glochidial stages of freshwater mussels (Bivalvia: Unionidae) to copper / 1997
Sequential Anaerobic Degradation of 2,4-Dichlorophenol in Freshwater Sediments. 1990
Serum Chemistry and Histopathological Evaluations of Brown Bullheads ('Ameiurus nebulosus') from the Buffalo and Niagara Rivers, New York. 1993
Seston carbon, nitrogen, phosphorus and phytoplankton from eight southern Ontario lakes 1973
Seventy-two Hour Algal (Pseudokirchneriella subcapitata) Toxicity Study with Organic Zirconium Complex. 2008
Short-term methods for estimating the chronic toxicity of effluents and receiving waters to freshwater organisms / 1994
Short-term methods for estimating the chronic toxicity of effluents and receiving waters to freshwater organisms. 2002
Simulation of Nitrogen Attenuation in a Subterranean Estuary, Representative of the Southern Coast of Cape Cod, Massachusetts. 2015
Solubility and Toxicity of Eight Phthalate Esters to Four Aquatic Organisms. 1990
Some ecological effects of artificial circulation on a small eutrophic New Hampshire lake / 1971
Some effects of sudden temperature changes upon selected species of freshwater fishes / 1965
Some methods for the statistical analysis of samples of benthic invertebrates / 1977
Some North Carolina fresh-water fishes / 1962
South Carolina's developer's handbook for freshwater wetlands / 1995
South Florida mercury monitoring and modeling pilot study / 2000
Species Composition of Fish Communities in Northern Wisconsin Lakes: Relation to pH. 1989
Species profiles, life histories and environmental requirements of coastal vertebrates and invertebrates Pacific Ocean Region amphidromous macrofauna of Hawaiian Island streams / 1990
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