Search Results for the EPA National Library Catalog

Items Found: 875

Showing: Items 501 - 550

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Select Item Title Year Published
Quality of surface waters of the United States, 1969 Western Gulf of Mexico basins / 1974
Quality of surface waters of the United States, 1970 Colorado River Basin and the Great Basin / 1976
Quality of surface waters of the United States, 1970 Lower Mississippi River basin. 1975
Quality of surface waters of the United States, 1970 North Atlantic slope basins / 1975
Quality of surface waters of the United States, 1970 North Pacific slope basins, Alaska, and Hawaii and other Pacific areas / 1976
Quality of surface waters of the United States, 1970 Ohio River Basin / 1975
Quality of surface waters of the United States, 1970 Pacific slope basins in California / 1974
Quality of surface waters of the United States, 1970 South Atlantic slope and eastern Gulf of Mexico basins / 1974
Quality of surface waters of the United States, 1970 Western Gulf of Mexico basins / 1975
Questions & answers on : water quality standards. 1983
Questions and answers on water quality standards. 1979
Receiving water quality database for testing of mathematical models / 1984
Recent advances in fish toxicology : a symposium / 1977
Reckless abandon : how the Bush administration is exposing America's waters to harm. 2004
Reconnaissance of selected minor elements in surface waters of the United States, October 1970, 1971
Recreation and land use : the public benefits of clean waters. 1980
Recreational water quality and health / 1981
Reduction and complexing of manganese by gallic acids 1965
Reference guide to water quality standards for Indian tribes. 1990
Region 6 strategic plan : 2004-2008 / 2004
Region VIII water quality index / 1973
Reinventing the Environmental Protection Agency and EPA's Water Programs / 1996
Relationships between drainage area characteristics and nonpoint source nutrients in streams : a preliminary analysis of National Eutrophication Survey data from 143 drainage areas in northeastern and northcentral United States / 1974
Relationships between drainage area characteristics and nonpoint source nutrients in streams : a preliminary analysis of National Eutrophication Survey data from 143 drainage areas in northeastern and northcentral United States / 1974
Remotely monitoring water resources : an EPA/NASA workshop / 1999
Report brochure, national water quality inventory : 1996 report to Congress. 1998
Report of the Experts Scientific Workshop on Critical Research Needs for the Development of New or Revised Recreational Water Quality Criteria. 2007
Report of the Interagency Biological Methods Workshop 1994
Report on 2009 national epidemiologic and environmental assessment of recreational water epidemiology studies / 2010
Report on the feasibility of predicting the effects of fluctuating concentrations on aquatic organisms and possible application to water quality criteria / 1989
Report to Congress : dam water quality study / 1989
Report to Congress : water quality improvement study / 1989
Report to Congress : water quality of the Nation's lakes / 1989
Report to the Congress 1976
Report to the Congress by the National Commission on Water Quality : March 18, 1976. 1976
Research needs for irrigation return flow quality control / 1972
Research strategy for the 1980's water quality research committee / 1981
Reservoirs and waterways : identification and assessment of environmental quality problems and research program development / 1978
Response to comments on 1998 update of ambient water quality criteria for ammonia. 1999
Restoring public water supply systems in the aftermath of Hurricane Katrina : a preliminary cost estimate / 2005
Results of a reconnaissance water-quality sampling program of the Ogallala aquifer in Colorado, Kansas, Nebraska, Oklahoma, South Dakota, and Texas 1981
Results of the nationwide urban runoff program : final report. 1983
Results of the Nationwide Urban Runoff Program. 1982
Review and evaluation of water quality indices and similar indicators. 1976
Review of cost estimates of MTBE contamination of public wells 2005
Review of phosphorus control measures in the United States and their effects on water quality / 1999
Review of potential modeling tools and approaches to support the beach program. 1999
Review of the USGS National Water Quality Assessment Pilot Program 1990
Revised methods for characterizing stream habitat in the National Water-Quality Assessment Program 1998
River quality : dynamics and restoration / 1997
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