Search Results for the EPA National Library Catalog

Items Found: 819
Showing: Items 501 - 550
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National Coastal Condition Assessment: Laboratory Methods Manual. 2010
National Coastal Condition Assessment: Quality Assurance Project Plan. 2010
National Critical Loads Framework for Atmospheric Deposition Effects Assessment: II. Defining Assessment End Points, Indicators, and Functional Subregions. 1993
National Environmental Goals and Indicators Conference program / 1994
National environmental goals project inventory of indicators : data set screening ("short") form : data set description ("long") form : draft report / 1994
National environmental goals project inventory of indicators : draft report / 1994
National environmental goals project inventory of indicators : final report / 1994
National environmental quality indicators : how to improve the way EPA measures and reports the state of the environment and progress in improving environmental quality / 1977
National lake assessment: technical appendix, data analysis approach / 2010
Native aquatic bacteria : enumeration, activity, and ecology : a symposium / 1979
Natural Hazards : Earthquakes, Volcanoes, and Landslides / 2018
Nervous-System Specific Proteins as Biochemical Indicators of Neurotoxicity. 1983
New Hampshire Estuaries Project Environmental Indicator Report: Water Quality. 2006
New Hampshire Estuaries Project Monitoring Plan, 2004. 2004
New Hampshire Estuaries Project: Monitoring Plan. 2008
New Hampshire Estuaries Project: Strategic Communication Plan: 2004. 2004
New Hampshire Estuaries Project: Summary of Freshwater Monitoring Programs in New Hampshire's Coastal Watershed. Recommendations for the NHEP Monitoring Program. 2004
New Hampshire Estuaries Project: Year 11 Work Plan. 2006
New Hampshire Estuaries Project: Year 13 Work Plan. 2008
New index of environmental condition for coastal watersheds in the Great Lakes basin / 2005
New Jersey environmental performance partnership agreement, 1999-2000 / 1999
New Jersey environmental performance partnership agreement, fiscal years 2002-2004 / 2001
New microbial indicators of wastewater chlorination efficiency / 1974
Nitrogen, Phosphorus, and Suspended Solid Concentrations in Tributaries to the Great Bay Estuary Watershed in 2008. 2009
NOAA environmental digest : selected environmental indicators of the United States and the global environment. 1990
Northwest Indiana/Southeast Cook County GEI, environmental progress 1988-92 : a report on selected environmental indicators. 1993
Occupational and environmental chemical hazards : cellular and biochemical indices for monitoring toxicity / 1987
OECD factbook 2007 : economic, environmental, and social statistics. 2007
Older Americans ... key indicators of well-being 2000
Older Americans key indicators of well-being. {electronic resource} : 2000
Older Americans update 2006 : key indicators of well-being. 2006
On-Site Methods for Assessing Chemical Impact on the Soil Environment Using Earthworms: A Case Study at the Baird and McGuire Superfund Site, Holbrook, Massachusetts. 1991
Organic Carbon Partitioning as a Basis for Predicting the Toxicity of Chlorpyrifos in Sediments. 1994
Organisms and biological communities as indicators of environmental quality : a symposium, the Ohio State University, March 25, 1974 1975
Our Great Lakes : what is happening to them, what it means and what you can do to help keep them great / 2005
Overcoming obstacles to health : report from the Robert Wood Johnson Foundation to the Commission to Build a Healthier America / 2008
PC BEEPOP (Personal Computer Honey Bee Population Dynamics Model) for Ecological Assessments. User's Guide. 1991
Performance of Stormwater Retention Ponds and Constructed Wetlands in Reducing Microbial Concentrations. 2006
Peril in the ponds : deformed frogs, politics, and a biologist's quest / 2012
Phenanthroline and substituted phenanthroline indicators, their preparation, properties, and applications to analysis 1944
Phillippi Creek Water Quality Report. 1995
Phosphate Measurements in Natural Waters, A Critique. 1970
Physical, chemical and bacteriological water quality in Gunpowder Falls and Little Gunpowder Falls : 1965 summer survey/ 1967
Phytoplanktonic Nitrogen as an Index of Cultural Eutrophication. 1971
Phytotox Database Evaluation of Surrogate Plant Species Recommended by the U.S. Environmental Protection Agency and the Organization for Economic Cooperation and Development. 1985
Pilot study to develop assessment methods and biological indicators for tidal streams in Maryland's coastal plain 1999
Pilot study to evaluate biological, physical, chemical, and land-use characteristics in Maryland coastal plain streams 1993
Pilot Study to Evaluate Biological, Physical, Chemical, and Land-Use Characteristics in Maryland Coastal Plain Streams. Year 2. 1995
Pilot test of wetland condition indicators in the prairie pothole region of the United States / 1997
Piscataqua Region Estuaries Partnership Enviornmental Indicators Report, 2009. 2009
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