Search Results : EPA National Library Catalog

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  1 15N Natural Abundance and (15)N Labelling Studies in Forest Ecosystems. 1994
  2 1997 atlas of Chesapeake Bay Basin biological and living resources long term monitoring programs 1997
  3 1999 Update of ambient water quality criteria for ammonia. 1999
  4 2003 update of ambient water quality criteria for copper. 2003
  5 2003-2008 EPA strategic plan : direction for the future / 2003
  6 2006-2011 EPA strategic plan : charting our course / 2006
  7 A Biomass Future for the North American Great Plains Toward Sustainable Land Use and Mitigation of Greenhouse Warming / [electronic resource] : 2007
  8 A Changing World Challenges for Landscape Research / [electronic resource] : 2007
  9 A comparison of the MESA-Puget Sound oil spill model with wind and current observations from August 1978 / 1981
  10 A comprehensive list of Chesapeake Bay basin species 1997 / 1997
  11 A conceptual model for the movement of pesticides through the environment : a contribution of the EPA Alternative Chemicals Program / 1974
  12 A dynamic river basin water quality model / 1991
  13 A gas-exchange system for assessing plant performance in response to environmental stress / 1979
  14 A national assessment of landscape change and impacts to aquatic resources : a 10-year research strategy for the landscape sciences program. 2000
  15 A national assessment of landscape change and impacts to aquatic resources a 10-year research strategy for the landscape sciences program. / [microform] : 2000
  16 A Natural system for wastewater reclamation and resource enhancement : Arcata, California. 1993
  17 A Review of ecological assessment case studies from a risk assessment perspective / 1993
  18 A Review of ecological assessment case studies from a risk assessment perspective : volume II. 1994
  19 A synoptic approach to cumulative impact assessment : a proposed methodology / 1992
  20 Abiotic Transformation Pathways of Organic Chemicals in Aquatic Ecosystems. 1994
  21 Abiotic Transformations of Toxic Organic Chemicals in the Liquid Phase and Sediments. 1988
  22 About Life Concepts in Modern Biology / [electronic resource] : 2007
  23 Abstracts of publications and presentations, 1985-1986. 1988
  24 Accumulation of atmospheric sulfur by plants and sulfur-supplying capacity of soils / 1979
  25 Accumulation of tritium in various species of fish reared in tritiated water. 1974
  26 Acid Deposition in Maryland. Summary of 1993 Research and Monitoring Results and Evaluation of Status and Trends. 1995
  27 Acid Precipitation Phenomenon and Its Ecological Consequences. 1981
  28 Acid rain : a student's first sourcebook. 1990
  29 Acid Rain Program, 2002 Progress Report. 2003
  30 Acid rain. 1980
  31 Acid-Base Characteristics of Organic Carbon in the Humex Lake Skjervatjern. 1992
  32 Acid-Volatile Sulfide as a Factor Mediating Cadmium and Nickel Bioavailability in Contaminated Sediments. 1991
  33 Acidic Deposition and Aquatic Ecosystems: Regional Case Studies. 1990
  34 Acidic deposition phenomenon and its effects critical assessment document (final report) {microform} : 1985
  35 Acidic Deposition Phenomenon and Its Effects: Critical Assessment Review Papers. Volume 1. 1984
  36 Acidic Deposition Phenomenon and Its Effects: Critical Assessment Review Papers. Volume 1. Atmospheric Sciences (Review Draft). 1983
  37 Acidic Deposition Phenomenon and Its Effects: Critical Assessment Review Papers. Volume 2. Effects Sciences (Review Draft). 1983
  38 Acidification of Aquatic and Terrestrial Systems: Chemical Weathering. 1984
  39 Acidification of Rain by the Oxidation of Dissolved SO2 and the Absorption of HNO3. 1984
  40 Activities report of the Basic and Applied Sciences Branch Division of Water Supply and Pollution Control. 1963
  41 Acute Effects of Stream Acidification on the Diversity of Macroinvertebrate Drift. 1982
  42 Adaptation of Aquatic Microbial Communities to Pollutant Stress. 1988
  43 Advances in Integrated Soil Fertility Management in sub-Saharan Africa: Challenges and Opportunities [electronic resource] / 2007
  44 Advisory on the need to develop ecological risk management guidelines. 1997
  45 Aflatoxin Bl Induced Hepatic Neoplasia in Great Lakes Coho Salmon. 1988
  46 Agricultural insecticide runoff effects on estuarine organisms correlating laboratory and field toxicity tests, ecophysiology bioassays, and ecotoxicological biomonitoring / {microform} : 1994
  47 Agricultural lands pilot field program report 1993 / 1995
  48 Agricultural Sources and Sinks of Carbon. 1993
  49 Agriculture in Concert with the Environment. Strategic Agricultural Initiative Progress Report 2007. 2007
  50 Agroecosystem pilot field program plan - 1992 / 1994
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