Search Results for the EPA National Library Catalog

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Guidance Manual to Support the Assessment of Contaminated Sediments in Freshwater, Estuarine, and Marine Ecosystems in British Columbia. Volume IV - Supplemental Guidance on the Design and Implementation of Detailed Site Investigations in Marine and Estuarine Ecosystems. 2003
Guide to aquatic invertebrate identification 2004
Guide to California's freshwater fishes 1999
Guide to freshwater animals without backbones : includes an aquatic invertebrate identification key, field collecting techniques, animal care and instructions for educators / 1997
Guide to methods for estimating microbial numbers and biomass in fresh water 1979
Guide to plants commonly found in the freshwater wetlands of New York State 1979
Guide to the freshwater Annelida (Polychaeta, naidid and tubificid Oligochaeta, and Hirudinea) of North America 1985
Guide to the freshwater aquatic microdrile oligochaetes of North America / 1986
Guide to the freshwater oligochaetes of North America 1999
Guide to the freshwater Tubificidae (Annelida : Clitellata : Oligochaeta) of North America 1982
Guide to the reptiles, amphibians, and fresh-water fishes of Florida, 1955
Guidelines for the Bioremediation of Marine Shorelines and Freshwater Wetlands. 2001
Guidelines for the processing and quality assurance of benthic invertebrate samples collected as part of the National Water-Quality Assessment Program 1993
Habitat needs assessment for the Upper Mississippi River System : technical report / 2000
Habitat suitability index models : longnose dace / 1983
Habitat, biota, and sediment characteristics at selected stations in the lower Illinois River basin, Illinois, 1996-98 / 2001
Handbook of common freshwater fish in Florida lakes 1994
Handbook of crawfish and freshwater shrimp diseases / 1977
Handbook of freshwater fishery biology 1969
Harmful algae 2002 : proceedings of the Xth International Conference on Harmful Algae, St. Pete Beach, Florida, USA, October 21-25, 2002 / 2004
Harmful algae = Algas nocivas : proceedings of the VIII International Conference on Harmful Algae, Vigo Spain, 25-29 June 1997 / 1998
Health effects criteria for fresh recreational waters / 1984
Heterotrophic Bacteria of the Freshwater Neuston and Their Ability to Act as Plasmid Recipients under Nutrient Deprived Conditions. 1991
Hexabromocyclododecane (HBCD): A 96-Hour Flow-Through Acute Toxicity Test with the Rainbow Trout (Oncorhynchus Mykiss), with Cover Letter dated 06/27/1997. Final Report. 1997
Historical changes in large river fish assemblages of the Americas 2005
Historical overview of the freshwater inflow and sewage treatment plant discharges to the Potomac River estuary with resultant nutrient and water quality trends 1981
How to know the aquatic plants 1969
How to know the aquatic plants / 1980
How to know the aquatic plants / 1973
How to know the fresh-water algae : an illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named and pictured and with numerous aids for their study / 1964
How to know the fresh-water algae; an illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named pictured and with numerous aids for their study. 1954
How to know the freshwater algae / 1978
How to know the freshwater Crustacea 1983
How to know the freshwater fishes / 1969
How to know the freshwater fishes / 1978
How to know the freshwater fishes : pictured-keys for identifying all of the freshwater fishes of the United States, and also including a number of marine species which often enter freshwater / 1957
Hydrobiological studies on some Danish ponds and lakes. Part II: The quotient hypothesis and some new or little known phytoplankton organisms. 1949
Identification of fecal indicator bacteria isolates from an ice-covered river / 1979
Identification of freshwater diatoms from live material 1996
Illustrated guide to aquatic macroinvertebrates 2000
Illustrations of Fresh Water Algae Toxic to Animals. 1952
Impact of Freshwater Flow Variations in the Manatee River. 1994
Impact of urbanization on the hydrology of Pocono Creek Watershed a model study / [electronic resource] : 2006
Impacts of coalmine discharges on Illinois Unionid mussels / 2004
Imperiled waters, impoverished future : the decline of freshwater ecosystems / 1996
Impervious surface area and benthic macroinvertebrate response as an index of impact from urbanization on freshwater wetlands / 1995
Impervious Surface Area and Benthic Macroinvertebrate Response as an Index of Impact from Urbanization on Freshwater Wetlands. 1995
Impervious surface area and benthic macroinvertebrate response as an indicator of impact from urbanization of freshwater wetlands / 1995
Improving water quality by removal of pesticide pollutants with aquatic plants 1973
In Vitro Evaluation of HFC-125 for Chromosome Aberrations in Human Lymphocytes, with Cover Letter dated 03/20/1991. (Sanitized). 1991
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