Search Results for the EPA National Library Catalog

Items Found: 961
Showing: Items 551 - 600
Your Search: (SUBJECT=Trends)


 
 
 
PREV 1 ... 7 8 9 10 11 12 13 14 15 16 17 ... 20 NEXT
Select Item Title Year Published
National Air Quality Levels and Trends in Total Suspended Particulates and Sulfur Dioxide Determined by Data in the National Air Surveillance Network. 1973
National air quality, monitoring, and emissions trends report, 1977 / 1978
National Ambient Air Quality Standard for Lead. 1977
National and regional trends in VOC and NOx emissions from 1900 to 1987 / 1989
National annual industrial sulfur dioxide emission trends 1995-2015 : report to Congress. 1995
National Atmospheric Deposition Program/National Trends Network (NADP/NTN) Site Visitation Program: Summary Report for the Period December 1984 through September 1986. 1987
National Atmospheric Deposition Program: 1997 Wet Deposition. 1997
National Atmospheric Deposition Program: 1998 Wet Deposition. 1998
National Atmospheric Deposition Program: 1999 Annual Summary. 1999
National Atmospheric Deposition Program: 2000 Annual Summary. 2000
National Atmospheric Deposition Program: 2001 Annual Summary. 2001
National Atmospheric Deposition Program: 2002 Annual Summary. 2002
National Atmospheric Deposition Program: 2003 Annual Summary. 2003
National Atmospheric Deposition Program: 2004 Annual Summary. 2004
National Atmospheric Deposition Program: 2005 Annual Summary. 2005
National Atmospheric Deposition Program: 2006 Annual Summary. 2006
National Atmospheric Deposition Program: 2007 Annual Summary - 30 Years of the NADP. 2007
National estuary program guidance : base program analysis. 1993
National estuary program guidance : technical characterization in the National Estuary Program. 1994
National Goals in Air Pollution Research. 1960
National Hazardous Waste Consituent Survey (NHWCS) Summary Report, October 1998. 1998
National Listing of Fish Advisories, 2003. 2004
National Monitoring Programs Annual Report (UATMP, NATTS, CSATAM) (2012), Appendices. 2014
National Monitoring Programs Annual Report (UATMP, NATTS, CSATAM) (2012). 2014
National priority chemicals trends report (1999-2003) 2005
National public water system supervision program : FY 1993 compliance report. 1994
National trends in trace metals in ambient air 1965-1974 / 1977
National Water Program: Best Practices and End of the Year Performance Report, FY 2008. 2009
National Water Program: Best Practices and End of the Year Performance Report. Fiscal Year 2009. 2010
National water quality inventory : 1974 report to the Congress. 1974
National water quality inventory : 1975 report to the Congress. 1976
National water quality inventory : 1976 report to the Congress. 1977
National water quality inventory : 1977 report to the Congress. 1978
National water quality inventory : 1982 report to Congress. 1984
National water quality inventory : 1990 report to the Congress. 1992
National Water Quality Monitoring and Assessment: Report on a Colloquium Sponsored by the Water Science and Technology Board, May 21-22, 1986. Colloquium 2. 1987
Nationwide air pollutant emission trends, 1940-1970 / 1973
Nationwide Urban Runoff Project, Champaign, Illinois: The Biological Impact of Urban Runoff on the Saline Branch Drainage Ditch and Boneyard Creek. 1984
New Hampshire Estuaries Project: Monitoring Plan. 2008
New York Solid Waste Management Plan. 1971
Next step HIV in the 90's / 1989
Niagara River Pollution Abatement Progress - 1971. 1971
Nineteenth Annual Toxic Chemical Report. 2007
NIST/NOAA NS and T/EPA EMAP Intercomparison Exercise Program for Organic Contaminants in the Marine Environment: Description and Results of 1995 Organic Intercomparison Exercises. 1996
NIST/NOAA NS and T/EPA EMAP Intercomparison Exercise Program for Organic Contaminants in the Marine Environment: Description and Results of 1995 Organic Intercomparison Exercises. National Status and Trends Program for Marine Environmental Quality. 1996
Nutrients and phytoplankton in Puget Sound 1991
Occupational Exposures and Chronic Respiratory Symptoms: A Population-Based Study. 1987
Occurrence of and Trends in Selected Sediment-Associated Contaminants in Caddo Lake, East Texas, 1940-2002. 2003
Office of Research and Development strategic plan / 2001
Open access bibliography : liberating scholarly literature with e-prints and open access journals / 2005
PREV 1 ... 7 8 9 10 11 12 13 14 15 16 17 ... 20 NEXT

Save, Print or Email Selected Records