Search Results for the EPA National Library Catalog

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Nationwide Urban Runoff Program, Tri-County Regional Planning Council, Lansing, Michigan: Monitoring Methodology and Monitoring Data for Final Report. 1983
Nationwide Urban Runoff Project, Champaign, Illinois: Assessment of the Impact of Urban Storm Runoff on an Agricultural Receiving Stream. 1983
Nationwide Urban Runoff Project, Champaign, Illinois: The Biological Impact of Urban Runoff on the Saline Branch Drainage Ditch and Boneyard Creek. 1984
Nature of Organics Removed during Treatment of Mississippi River Water. 1986
Neutralization of Acidic Wastes by Crushed Limestone. 1974
Neutralization of high ferric iron acid mine drainage / 1970
Neutralization of High Ferric Iron Acid Mine Drainage. 1970
New approaches to the preservation of contaminants in water samples / 1979
New Medium for the Enumeration and Subculture of Bacteria from Potable Water. 1985
New membranes for reverse osmosis treatment of metal finishing effluents / 1973
New Methods of Nitrite and Nitrate Analysis for Natural Waters. 1973
New Perspectives in Aquatic Redox Chemistry: Abiotic Transformations of Pollutants in Groundwater and Sediments. 1992
New Perspectives on the Hydrolytic Degradation of the Organophosphorothioate Insecticide Chlorpyrifos. 1983
Nitrate Removal from Wastewaters by Ion Exchange. 1971
Nitrogen Removal by Ammonia Stripping. 1973
Northboro, Hudson, Maynard, and Billerica Impoundments, Worcester and Middlesex Counties, Massachusetts. 1975
Novel and Simple Approach to Elimination of Dilute Toxic Wastes Based on Photoelectrochemical Systems. 1989
Novel Approach to Metal-Humic Complexation Studies by Lanthanide Ion Probe Spectroscopy. 1989
Novel Precursor of Trihalomethanes. 1986
Nutrient chemistry of a large, deep lake in subarctic Alaska / 1978
Nutrient Removal from Wastewater by Physical-Chemical Processes. 1971
Occurrence and Characteristics of Ground-Water Contamination in Massachusetts. 1969
Occurrence of 'Giardia' in Connecticut Water Supplies and Watershed Animals. 1985
Onsite engineering report of the slurry-phase biological reactor for pilot-scale testing on contaminated soil / 1993
Oocyte Atresia and Reproductive Success in Fathead Minnows ('Pimephales promelas') Exposed to Acidified Hardwater Environments. 1989
Optimizing a petrochemical waste bio-oxidation system through automation / 1975
Organic Carbon Fractions in Extracts of O and B Horizons from a New England Spodosol: Effects of Acid Treatment. 1989
Organic wastes as a means of accelerating recovery of acid strip-mine lakes / 1973
Organohalide Formation on Chlorination of Algal Extracellular Products. 1984
Osmoregulatory Failure and Death of First-Year Largemouth Bass 'Micropterus salmoides' Exposed to Low pH and Elevated Aluminum, at Low Temperatures in Soft Water. 1992
Overland recycling system for animal waste treatment / 1979
Oxidation and Acidification of Anaerobic Sediment-Water Systems by Autoclaving. 1993
Oxidation of water supply refractory species by ozone with ultraviolet radiation / 1980
Paint coatings : controlled field and chamber experiments / 1989
Paleoecological analysis of lake acidification trends in North America and Europe using diatoms and chrysophytes 1989
Paleoecological Investigation of Recent Lake Acidification in the Adirondack Mountains, N. Y. 1990
Particle emission reactivity / 1976
Partitioning of Heavy Metals to Suspended Solids of the Flint River, Michigan. 1986
Peat mining : an initial assessment of wetland impacts and measures to mitigate adverse effects / 1981
Pentachlorophenol Toxicity to Amphipods and Fathead Minnows at Different Test pH Values. 1985
Performance characteristics of package water treatment plants / 1982
Performance evaluation of existing aerated lagoon system at Consolidated Koshkonong Sanitary District, Edgerton, Wisconsin / 1979
Performance evaluation of the aerated lagoon system at North Gulfport, Mississippi / 1980
Performance evaluation of the aerated lagoon system at Windber, Pennsylvania / 1978
Perspectives on Environmental Monitoring: An Introduction to the U.S. EPA Long-Term Monitoring (LTM) Project. 1993
Pesticide fact sheet : Oxyadixyl. 1992
pH Buffering in Forest Soil Organic Horizons: Relevance to Acid Precipitation. 1986
pH Control of Industrial Effluents. Volume 1. 1978
pH Control of Industrial Waste Waters in the Inorganic Chemicals Industry. 1979
pH Meters (pH-Wert-Messtechnik). 1973
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