Search Results for the EPA National Library Catalog

Items Found: 814
Showing: Items 501 - 550
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Select Item Title Year Published
MWRA harbor and outfall monitoring project : OMSAP public meeting September 1999. 1999
National Conference on Urban Storm Water: Enhancing Programs at the Local Level. Proceedings Held in Chicago, Illinois, on February 17-20, 2003. 2003
National lake assessment: technical appendix, data analysis approach / 2010
National Research Program of the Water Resources Division, U.S. Geological Survey, fiscal year 1991 1991
National stream survey database guide / 1990
National stream survey, Phase I : field operations report. 1988
National stream survey, Phase I : quality assurance plan. 1986
National surface water survey : eastern lake survey (phase I - synoptic chemistry) analytical methods manual / 1986
National surface water survey : stream survey (pilot, middle-Atlantic phase I, southeast screening, and middle-Atlantic episode pilot): analytical methods manual / 1987
National Surface Water Survey Eastern Lake Survey (Phase II-Temporal Variability). Quality Assurance Plan. 1988
National Surface Water Survey: Eastern Lake Survey - Phase 2 Northeastern Lakes, Database Dictionary. 1991
National Water Monitoring Day: Big Thompson Watershed Forum; Teacher's Resource Binder, October 17, 2003. 2003
Natural inorganic hydrochemistry in relation to groundwater an introduction / 1985
Nature of organic derivatives of selected toxic metals in natural waters 1974
New chemical engineering problems in the utilisation of water; proceedings of Symposium no. 9, held on 17 June 1965. 1965
Nitrate and nitrite variation in ground water / 1972
Nonequilibrium systems in natural water chemistry; a symposium sponsored by the Division of Water, Air, and Waste Chemistry of the American Chemical Society at Houston, Texas, February 24-25, 1970. 1971
North Dakota Lake Assessment Atlas 1993
Northern Lake Michigan chemical and physical characteristics data for 1970. 1980
NTA and mercury in artificial stream systems / 1974
Nutrient and trace-element enrichment of Coeur d'Alene Lake, Idaho / 1997
Nutrient enrichment action agenda (3.2) for the Gulf of Mexico. 1993
Nutrient enrichment action agenda for the Gulf of Mexico : first generation-management committee report. 1994
Nutrient enrichment and eutrophication of Lake Michigan 1982
Occurrence Assessment for the Final Stage 2 Disinfectants and Disinfection Byproducts Rule. 2005
Office of Water Methods and Guidance, Version 2.0 - Suite. 2002
Oil in freshwater : chemistry, biology, countermeasure technology : proceedings of the Symposium of Oil Pollution in Freshwater, Edmonton, Alberta, Canada 1987
Organic Acidity in Maine (U.S.A.) Lakes and in HUMEX Lake Skjervatjern (Norway). 1991
Organic chemicals in drinking water. 1990
Organic chemicals in natural waters : applied monitoring and impact assessment / 1984
Organic geochemistry of natural waters / 1985
Organic micropollutants in the aquatic environment : proceedings of the fifth European symposium held in Rome, Italy, October 20-22, 1987 / 1988
Organic substances and sediments in water / 1900
Organic wastes as a means of accelerating recovery of acid strip-mine lakes / 1973
Origin of the chemical composition of undisturbed forested streams, western Olympic Peninsula, Washington state / 1979
Origin, Effects and Control of Turbidity in an Urban Recreational Lake. 1973
Oswego Harbor, New York, chemical and physical characteristics data for 1972 / 1980
Oxidation and Acidification of Anaerobic Sediment-Water Systems by Autoclaving. 1993
Oxygen relationships in streams : proceedings of a seminar sponsored by the water supply and water pollution program of the Sanitary Engineering Center, October 30-November 1, 1957. 1958
Paleoecological Investigation of Recent Lake Acidification in the Adirondack Mountains, N. Y. 1990
Partition Coefficients for Fe, Mn, Pb, Ni, Zn, Cu Between River Water and Suspended Load, and Mineralogical Composition of Suspended Load of Selected Kansas River Systems. 1972
Partitioning based approaches to study exposure and effects of hydrophobic organic substances = Partitie als basis voor het bestuderen van blootstelling en effecten van hydrofobe organische stoffen : proefschrift / 2000
Partitioning of Selected Polychlorinated Biphenyls to Natural Sediments. 1978
Passive Sampling of Groundwater Monitoring Wells without Purging: Multilevel Well Chemistry and Tracer Disappearance. 1993
Past and present water column anoxia / 2006
Pathways of trace elements in Arctic lake ecosystems : progress report to the Atomic Energy Commission for the period 15 April 1970 through 14 April 1971 / 1971
Pathways of trace elements in Arctic lake ecosystems; 1970
Perspectives on Environmental Monitoring: An Introduction to the U.S. EPA Long-Term Monitoring (LTM) Project. 1993
Pesticide Assessment Guidelines: Subdivisions N, E, and K. Data Reporting Guideline for Environmental Chemistry Methods. 1995
Petroleum hydrocarbons & organic chemicals in gound {sic} water : prevention, detection, & remediation conference : November 29 - December 1, 1995, Houston, Texas. 1995
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