Search Results for the EPA National Library Catalog

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Ecological Effects of Experimental Acidification on a Stream Ecosystem. 1984
Ecological Effects of Water-Level Fluctuations in Lakes [electronic resource] / 2008
Ecological Evaluation of Stream Eutrophication. 1973
Ecological functions of off-channel habitat, Willamette River, Oregon : final research plan / 1997
Ecological impact of acid precipitation : proceedings of an international conference, Sandefjord, Norway, March 11-14, 1980 / 1980
Ecological impact of cadmium on aquatic organisms 1981
Ecological impact of integrated chemical and biological aquatic weed control / 1984
Ecological impact of integrated chemical and biological aquatic weed control : final report / 0
Ecological impact of integrated chemical and biological aquatic weed control : final report {MICROFICHE} / 1983
Ecological impacts from climate change : an economic analysis of freshwater recreational fishing : a report / 1995
Ecological implications of dimethyl mercury in an aquatic food chain, 1973
Ecological Implications of Dimethyl Mercury in an Aquatic Food Chain. 1973
Ecological modeling and estimation of stress 1975
Ecological Monitoring of Stream Systems. 1973
Ecological perspective on in-stream temperature: natural heat dynamics and mechanisms of human-caused thermal degradation / 2001
Ecological Perspective on Water Quality Goals. 1981
Ecological Processes at Marine Fronts Oases in the ocean / [electronic resource] : 2015
Ecological recovery after reclamation of toxic spoils left by coal surface mining : phase 1 : a baseline assessment of environmental conditions prior to application of intensive remedial treatments / 1979
Ecological recovery after reclamation of toxic spoils left by coal surface mining : phase II : an assessment of environmental changes following intensive remedial treatments : project summary / 1987
Ecological Research at the Offshore Windfarm alpha ventus Challenges, Results and Perspectives / [electronic resource] : 2014
Ecological Research Strategey. 1998
Ecological Responses to Flow Alteration: A Literature Review Within the Context of the Maryland Hydroecological Integrity Assessment. 2012
Ecological Revitalization: Turning Contaminated Properties Into Community Assets. 2009
Ecological Risk Assessment for General Electric (GE)/Housatonic River Site Rest of River. Volumes 1 and 2, Sections 1-12. 2004
Ecological risk assessment for the Middle Snake River, Idaho. 2002
Ecological Risk Assessment: Protecting Northwest Anadromous Salmonid Stocks. 1994
Ecological Strategies of Aquatic Insects / 2017
Ecological Structure among Migrant and Resident Seabirds of the Scotia-Weddell Confluence Region. 1994
Ecological Study of the Missouri River Prior to Channelization. 1974
Ecological study of the phytoplankton of Raritan Bay 1965
Ecology and management of the zebra mussel and other introduced aquatic nuisance species : a report based on presentations and discussions at the EPA Workshop on Zebra Mussels and Other Introduced Aquatic Nuisance Species, Saginaw Valley State University, Saginaw, Michigan, USA, September 26-28, 1990 / 1991
Ecology and Productivity of Strip-Mine Areas in Mercer County, Pennsylvania. 1974
Ecology of aquatic insects 1984
Ecology of Atlantic Salmon and Brown Trout Habitat as a template for life histories / [electronic resource] : 2011
Ecology of Baltic Coastal Waters [electronic resource] / 2008
Ecology of Floodplain Pools in the Kaskaskia River Basin of Illinois. 1973
Ecology of inland waters and estuaries / 1976
Ecology of inland waters and estuaries. 1961
Ecology of Riparian Forests in Japan Disturbance, Life History, and Regeneration / [electronic resource] : 2008
Ecology of the Second Trophic Level of Lakes Superior, Michigan, and Huron. 1970
Ecology of Threatened Semi-Arid Wetlands Long-Term Research in Las Tablas de Daimiel / [electronic resource] : 2010
Economic Analysis of the Final Phase II Storm Water Rule 1999
Economic analysis of the final regulations addressing cooling water intake structures for new facilities. 2001
Economic and engineering analyses of the proposed section 316(b) new facility rule / 2000
Economic and environmental impact analysis of the proposed effluent limitations guidelines and standards for the concentrated aquatic animal production industry [electronic resource]. 2002
Economic Benefits of Abating Water Pollution in the Steel, Textile, and Paper Industries in Alabama. 1973
Economic Impact of Proposed Amendments to Mercury Effluent Standards in Illinois (R76-17) (R76-21). 1977
Economic Impacts of Aquatic Invasive Species: A Review of the Literature. 2005
Economic Implications of Biological Control of Arundo donax in the Texas Rio Grande Basin. 2009
Economic valuation of aquatic ecosystems 1986
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