Search Results for the EPA National Library Catalog

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Protonation of Organic Bases in Clay-Water Systems. 1976
Purification of Mine Water by Freezing. 1971
Purification of Smokestack Gases of an Electrical Generating Station of Sulfur Dioxide Using the Magnesite Method. 1975
Quality and quantity of leachate from raw mined Colorado oil shale / 1984
Quality Assurance Support for the National Atmospheric Deposition Program and National Trends Network Monitoring Activites: 1987-1990. Interim Report. 1989
Quality assurance support for the National Atmospheric Deposition Program and National Trends Network monitoring activities : fourth progress report (1990-1991). 1992
Quantification of Changes in Lakewater Chemistry in Response to Acidic Deposition. 1990
Radium removal from water by manganese dioxide adsorption and diatomaceous earth filtration / 1991
Randomized Intervention Analysis and the Interpretation of Whole-Ecosystem Experiments. 1989
Rate Constant for the Reaction of NO2 with Sulfur(IV) over the pH Range 5.3-13 (Journal Version). 1988
Rate of Soil Reduction as Affected by Levels of Methyl Parathion and 2, 4,-D (Journal Version). 1985
RBC Nitrification of High Ammonia Leachates. 1991
Reaction kinetics of ozone with sulfur compounds / 1976
Reactions of dissolved pollutants with ozone in aqueous solutions {microform} : 1984
Reactions of ozone with organics in aqueous solutions / 1985
Recent Sulfur Enrichment in the Sediments of Little Rock Lake, Wisconsin. 1992
Recent Trends in the Acid-Base Status of Surface Waters in Maine, USA. 1993
Reclamation of surface mined coal spoils / 1977
Recovery of DDT, Kepone, and Permethrin Added to Soil and Sediment Suspensions Incubated under Controlled Redox Potential and pH Conditions (Journal Version). 1984
Recovery of landfill gas at Mountain View : engineering site study : a current report on solid waste management / 1977
Recovery of the Highly Acidified Clearwater Lake Watershed, Ontario, Canada, Simulated with the IL WAS Model. 1991
Reducing Water Pollution from Pulp Mill Sulfite Wastes. 1972
Reduction of Ionic Species by Fulvic Acid. 1981
Reductive Dechlorination of Dichlorophenols in Anaerobic Pond Sediments (Chapter 13). 1991
Reductive dechlorination of dichlorophenols in anaerobic pond sediments / 1990
Regional Characteristics of Land Use in Northeast and Southern Blue Ridge Province: Associations with Acid Rain Effects on Surface-Water Chemistry. 1991
Regional Chemical Characteristics of Lakes in North America. Part 2: Eastern United States. 1986
Regional Estimates of Acid Mine Drainage Impact on Streams in the Mid-Atlantic and Southeastern United States. 1990
Regional Relationships between Geomorphic/Hydrologic Parameters and Surface Water Chemistry Relative to Acidic Deposition. 1989
Relationships of productivity and problem conditions to ambient nutrients : National Eutrophication Survey findings for 418 Eastern lakes / 1978
Relative Importance of Oxidation Pathways and Clouds to Atmospheric Ambient Sulfate Production as Predicted by the Regional Acid Deposition Model. 1994
Remobilization of Toxic Heavy Metals Adsorbed to Bacterial Wall-Clay Composites. 1990
Removal by Coagulation of Trace Organics from Mississippi River Water. 1985
Removal of Beryllium from Drinking Water by Chemical Coagulation and Lime Softening. 1992
Removal of Dissolved Contaminants from Mine Drainage. 1972
Removal of Heavy Metals and Suspended Solids from Battery Wastewaters: Application of Hydroperm Cross-Flow Microfiltration. 1981
Removal of Impurities from Trickling Filter Effluents by Coagulation. 1972
Removal of Phosphate from Waste Water by Aluminum and Iron, Phase III. 1973
Removal of Phosphate from Waste Water by Aluminum and Iron. 1970
Removal of Phosphates by Sorption on Activated Alumina. 1970
Removal of Surface Inactive Substances by Foam Separation Processes. 1972
Removing Arsenic from Drinking Water. 1987
Removing Barium and Radium Through Calcium Cation Exchange. 1985
Report on the Plant Evaluation at Fishing Bridge Wastewater Treatment Plant, Yellowstone National Park. 1977
Report on the Quality of the Water of the Little Miami River and Tributaries, Ohio. 1971
Repsonses of Juvenile Largemouth Bass to Different pH and Aluminum Levels at Overwintering Temperatures: Effects on Gill Morphology, Electrolyte Balance, Scale Calcium, Liver Glycogen, and Depot Fat. 1992
Research and Development of a Field Ready Protocol for Phosgene. 1997
Reservoir ecosystems and western coal development in the upper Missouri River / 1977
Respirometer with Controlled Water Quality and Computerized Data Acquisition for Experiments with Swimming Fish. 1990
Response of Bush Bean Exposed to Acid Mist. 1980
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