Search Results for the EPA National Library Catalog

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Showing: Items 2151 - 2200
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Select Item Title Year Published
Illinois Groundwater Protection Program. Biennial Comprehensive Status and Self-Assessment Report. 2004
Illinois Water Quality Report, 1990-1991. 1992
Illinois Water Quality Report, 1992-1993. Volume 1. 1994
Illinois Water Quality Report, 1992-1993. Volume 2. 1994
Illinois Water Quality Report, 1994-1995. Volume 1. 1996
Illinois Water Quality Report, 1994-1995. Volume 2. 1996
Illinois Water Quality Report, 2000. 2000
Illustrated guide to aquatic macroinvertebrates 2000
Illustrations of Fresh Water Algae Toxic to Animals. 1952
Impact assessment of hazardous aquatic contaminants : concepts and approaches / 1999
Impact of aquatic plants and their management techniques on the aquatic resources of the United States : an overview / 0
Impact of aquatic plants and their management techniques on the aquatic resources of the United States an overview. {microfrom} 1982
Impact of chlorine/ammonia on ecosystem structure and function in experimental streams. [Microfiche]. 1988
Impact of Freshwater Flow Variations in the Manatee River. 1994
Impact of High Chemical Contaminant Concentrations on Terrestrial and Aquatic Ecosystems: A State-of-the-Art Review. 1984
Impact of the use of microorganisms on the aquatic environment : proceedings / 1975
Impact of the use of microorganisms on the aquatic environment : proceedings / 1975
Impact of the Use of Microorganisms on the Aquatic Environment. 1974
Impact of toxic clones of blue-green algae on water quality as related to aquatic animals : completion report 1975
Impact of UV-B Radiation on the Fecundity of the Copepod 'Acartia clausii'. 1981
Impact of Various Heavy Metals on the Aquatic Environment. 1971
Impacts of airborne pollutants on wilderness areas along the Minnesota-Ontario border / 1980
Impacts of Coal Combustion on Trace Elements in the Environment: Wisconsin Power Plant Impact Study. 1984
Impacts of impervious cover on aquatic systems 2003
Impacts of Section 404 Permits Requiring Compensatory Mitigation of Freshwater Wetlands in Texas and Arkansas. 1993
Impacts of Section 404 Permits Requiring Compensatory Mitigation on Wetlands in California (USA). 1992
Impacts of sediment and nutrients on biota in surface waters of the United States / 1979
Impacts of western coal, oil shale, and tar sands development on aquatic environmental quality : a technical information matrix 1982
Impacts on quality of inland wetlands of the United States : a survey of indicators, techniques, and applications of community-level biomonitoring data / 1990
Impacts on quality of inland wetlands of the United States a survey of indicators, techniques, and applications of community-level biomonitoring data / 1990
Impervious surface area and benthic macroinvertebrate response as an index of impact from urbanization on freshwater wetlands / 1997
Impervious Surface Area and Benthic Macroinvertebrate Response as an Index of Impact from Urbanization on Freshwater Wetlands. 1995
Implementation Plan for Removing Impediments to Migratory Fishes in the Chesapeake Bay Watershed. Annual Progress Report, 1994. 1995
Implications of Climate Change for Bioassessment Programs and Approaches to Account for Effects. 2012
Implications to the aquatic environment of polynuclear aromatic hydrocarbons liberated from Northern Great Plains coal / 1979
Importance of Hydrogen Ions and Aluminium in Regulating the Structure and Function of Steam Ecosystems: An Experimental Test. 1987
Importance of Monitoring Metabolic Recovery in the Coral 'Acropora cervicornis' after Short-Term Exposure to Drilling Muds: Calcification Rate and Protein Concentration. 1984
Importance of Physical Scaling Factors to Benthic Marine Invertebrate Recolonization of Laboratory Microcosms. 1993
Importance of Protecting Vulnerable Streams and Wetlands at the Local Level. Wetlands and Watersheds Article No. 6. 2007
Importance of surface water/groundwater interactions issue paper 1999
Improved Flowing Water Apparatus for the Culture of Brachyuran Crab Larvae. 1975
Improved Method for Recovery of mRNA from Aquatic Samples and Its Application to Detection of mer Expression. 1994
Improved Sea Urchin DNA-Based Embryo Growth Toxicity Test. 1986
Improving aquatic risk assessment under FIFRA : report of the Aquatic Effects Dialogue Group. 1992
Improving Surface Water Conditions Through Control and Disposal of Aquatic Vegetation. Phase I: Processing Aquatic Vegetation for Improved Handling and Disposal or Utilization. 1972
Improving Surface Water Conditions through Control and Disposal of Aquatic Vegetation. Phase II. 1973
Improving Water Quality by Removal of Pesticide Pollutants with Aquatic Plants. 1973
Improving Water Quality by Removal of Pesticide Pollutants with Aquatic Plants. 1972
In situ survival of enteric bacteria in estuarine environments 1983
In situ survival of enteric bacteria in estuarine environments of different nutrient characteristics 1982
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