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 comparison of the MESA-Puget Sound oil spill model with wind and current observations from August 1978 / 1981
  8 A comprehensive list of Chesapeake Bay basin species 1997 / 1997
  9 A conceptual model for the movement of pesticides through the environment : a contribution of the EPA Alternative Chemicals Program / 1974
  10 A dynamic river basin water quality model / 1991
  11 A gas-exchange system for assessing plant performance in response to environmental stress / 1979
  12 A national assessment of landscape change and impacts to aquatic resources : a 10-year research strategy for the landscape sciences program. 2000
  13 A national assessment of landscape change and impacts to aquatic resources a 10-year research strategy for the landscape sciences program. / [microform] : 2000
  14 A Review of ecological assessment case studies from a risk assessment perspective / 1993
  15 A Review of ecological assessment case studies from a risk assessment perspective : volume II. 1994
  16 A synoptic approach to cumulative impact assessment : a proposed methodology / 1992
  17 Abiotic Transformation Pathways of Organic Chemicals in Aquatic Ecosystems. 1994
  18 Abiotic Transformations of Toxic Organic Chemicals in the Liquid Phase and Sediments. 1988
  19 Abstracts of publications and presentations, 1985-1986. 1988
  20 Accumulation of atmospheric sulfur by plants and sulfur-supplying capacity of soils / 1979
  21 Accumulation of tritium in various species of fish reared in tritiated water. 1974
  22 Acid Deposition in Maryland. Summary of 1993 Research and Monitoring Results and Evaluation of Status and Trends. 1995
  23 Acid Precipitation Phenomenon and Its Ecological Consequences. 1981
  24 Acid rain : a student's first sourcebook. 1990
  25 Acid Rain Program, 2002 Progress Report. 2003
  26 Acid rain. 1980
  27 Acid Rain: A Student's First Sourcebook, December 1994 1994
  28 Acid-Base Characteristics of Organic Carbon in the Humex Lake Skjervatjern. 1992
  29 Acid-Volatile Sulfide as a Factor Mediating Cadmium and Nickel Bioavailability in Contaminated Sediments. 1991
  30 Acidic Deposition and Aquatic Ecosystems: Regional Case Studies. 1990
  31 Acidic deposition phenomenon and its effects critical assessment document (final report) {microform} : 1985
  32 Acidic Deposition Phenomenon and Its Effects: Critical Assessment Review Papers. Volume 1. 1984
  33 Acidic Deposition Phenomenon and Its Effects: Critical Assessment Review Papers. Volume 1. Atmospheric Sciences (Review Draft). 1983
  34 Acidic Deposition Phenomenon and Its Effects: Critical Assessment Review Papers. Volume 2. Effects Sciences (Review Draft). 1983
  35 Acidification of Aquatic and Terrestrial Systems: Chemical Weathering. 1984
  36 Acidification of Rain by the Oxidation of Dissolved SO2 and the Absorption of HNO3. 1984
  37 Activities report of the Basic and Applied Sciences Branch Division of Water Supply and Pollution Control. 1963
  38 Acute Effects of Stream Acidification on the Diversity of Macroinvertebrate Drift. 1982
  39 Adaptation of Aquatic Microbial Communities to Pollutant Stress. 1988
  40 Advisory on the need to develop ecological risk management guidelines. 1997
  41 Aflatoxin Bl Induced Hepatic Neoplasia in Great Lakes Coho Salmon. 1988
  42 Agricultural insecticide runoff effects on estuarine organisms correlating laboratory and field toxicity tests, ecophysiology bioassays, and ecotoxicological biomonitoring / {microform} : 1994
  43 Agricultural lands pilot field program report 1993 / 1995
  44 Agricultural Sources and Sinks of Carbon. 1993
  45 Agriculture in Concert with the Environment. Strategic Agricultural Initiative Progress Report 2007. 2007
  46 Agroecosystem pilot field program plan - 1992 / 1994
  47 Agroecosystem pilot Field Program plan - 1993 / 1993
  48 AGWA (Automated Geospatial Watershed Assessment) Design Documentation: Migrating to ArcGis(Trade Name) and the Internet. 2005
  49 Air pollution effects of biodiversity {microform} / edited by Jerry R. Barker and David T. Tingey. 1992
  50 Air Pollution Effects on Aquatic Ecosystems: Summary of a Symposium. 1984
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