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United States Environmental Protection Agency
EPA National Library Network
Search Results for the EPA National Library Catalog
Items Found: 878
Showing: Items 51 - 100
Your Search: (SUBJECT=Water quality United States.)
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An overview of environmental pollution in the Niagara Frontier, New York : final draft /
An overview of sediment quality in the United States : final report /
Analysis and interpretation of water-quality trends in major U.S. rivers, 1974-81
Annual report : 1973.
Annual survey of ongoing research on the impact of forest management practices on water quality and utility-1981.
Annual survey of ongoing research on the impact of forest management practices on water quality and utility.
Antidegradation : water quality standards criteria summaries : a compilation of state/federal criteria /
Appendix I to report of Sub-Group A in review of the great lakes water quality agreement review.
Aquatic habitat indicators and their application to water quality objectives within the Clean Water Act /
Aquatic life ambient freshwater quality criteria / copper 2007 revision.
Are the "national guidelines" based on sound judgments? /
Assessing national water quality education needs for the nonformal youth audience
Assessment of projected water quality benefits from implementation of the regulations defining best available technology economically achievable for the organic chemicals, plastics, and synthetics industry.
At a Glance : Improvements Needed to Ensure Grant Funds for U.S.-Mexico Border Water Infrastructure Program Are Spent More Timely.
Background paper : use support assessment methods /
Bacterial water quality standards for recreational waters (freshwater and marine waters) : status report /
Benefits of safer drinking water : the value of nitrate reduction /
Bioaccumulation testing and interpretation for the purpose of sediment quality assessment : status and needs /
Biological field and laboratory methods for measuring the quality of surface waters and effluents /
Biology as an integrated component of the U.S. Geological Survey's National Water-Quality Assessment Program
Cadmium : ambient water quality criteria /
Case studies and model testing of the metals exposure analysis modeling system (MEXAMS) /
Catalog of financial support sources for U.S. - Mexico border water infrastructure.
Catalog of information on water data : index to water-data acquisition. Part A--streamflow and stage, Part B--Quality of surface water, Part C--Quality of ground water, Part D--Areal investigations and miscellaneous activities.
Catalog of information on water data : station listings for pt. A, Streamflow and stage; pt. B, Quality of surface water; pt. C, Quality of ground water, water resources region ...
Catalog of publications : Office of Science and Technology.
Challenges for the future : interim report /
Characterization of aerobic chemical processes in reservoirs : problem description and model formulation /
Chemical analysis of interstate carrier water supply systems.
Chemical composition of produced water at some offshore oil platforms /
Chemical equilibria and rates of manganese oxidation
Chemical occurrence data sets for source water assessments /
Chemical quality of public water supplies of the United States and Puerto Rico, 1962 : shown as statewide averages, mainly in graphic and tabular form /
Chronological summary of federal water quality standards promulgation actions.
Class III cost analysis.
Classification and mapping of agricultural land for national water-quality assessment
Clean water act : 25th anniversary edition, 1997 /
Clean Water Act : as amended by the Water Quality Act of 1987 /
Clean water act : Past, present, and future. A Seminar on the Law's Implications for the Use of public and private lands, water, and natural resources /
Clean Water Act amendments what the president's veto means /
Clean Water Act overview /
Clean Water Act section 404 enforcement compendium.
Clean Water Act Section 404 regulatory issues training course /
Clean Water Act thirty-year retrospective : history and documents related to the federal statute.
Clean Water Act/Section 404 regulatory issues.
Clean water and the American econnomy : October 19-21, 1992 /
Clean water and the American econnomy an overview /
Clean water and the American economy : proceedings, October 19-21, 1992.
Clean water reference book.
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