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Search Results for the EPA National Library Catalog
Items Found: 1075
Showing: Items 351 - 400
Your Search: (SUBJECT=PH)
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Title
Year Published
351
Effects of pH Increases and Sodium Chloride Additions on the Acute Toxicity of 2,4-Dichlorophenol to the Fathead Minnow.
1980
352
Effects of pH on the Toxicities of Cadmium, Copper, and Zinc to Steelhead Trout ('Salmo gairdneri') (Journal Version).
1986
353
Effects of pH, Phenol, and Sodium Chloride on the Bioenergetics of Laboratory Populations of 'Chironomus attenuatus'.
1972
354
Effects of pH, Solid/Solution Ratio, Ionic Strength, and Organic Acids on Pb and Cd Sorption on Kaolinite.
1991
355
Effects of Pollution on Freshwater Fish and Amphibians.
1983
356
Effects of Pollution on Freshwater Fish.
1977
357
Effects of Pollution on Freshwater Fish.
1978
358
Effects of Pollution on Freshwater Fish.
1981
359
Effects of Pollution on Freshwater Fish.
1980
360
Effects of Pollution on Freshwater Fish.
1976
361
Effects of Pollution on Freshwater Organisms.
1985
362
Effects of Pollution on Freshwater Organisms.
1984
363
Effects of Pollution on Freshwater Organisms. Fate and Effects of Pollutants.
1986
364
Effects of Repeated Ammonium Sulfate Applications on Soil Leachate Chemistry on the Fernow Experimental Forest in West Virginia, USA.
1992
365
Effects of Sediment Sorption and Abiotic Hydrolyses. 1. Organophosphorothioate Esters.
1985
366
Effects of sewage sludge on the cadmium and zinc content of crops /
1981
367
Effects of Short-Term Changes in Water Quality on Copper and Zinc Corrosion Rates.
1987
368
Effects of Simulated Acid Rain on Yield Response of Two Soybean Cultivars.
1987
369
Effects of Simulated Acidic Rain Applied Alone and in Combination with Ambient Rain on Growth and Yield of Field-Grown Snap Bean.
1984
370
Effects of Simulated Acidic Rain on One Species Each of 'Pseudoparmelia', 'Usnea', and 'Umbilicaria'.
1986
371
Effects of Simulated Acidic Rain on Yields of 'Raphanus sativus', 'Lactuca sativa', 'Triticum aestivum' and 'Medicago sativa'.
1982
372
Effects of Simulated Acidic Rain on Yields of Field-Grown Crops.
1982
373
Effects of Simulated Acidic Rain on Yields of Field-Grown Radishes and Garden Beets.
1982
374
Effects of Simulated Acidic Rain on Yields of Field-Grown Soybeans.
1984
375
Effects of Sulfuric Acid Rain on Decomposition Rate and Chemical Element Content of Hardwood Leaf Litter.
1983
376
Effects of Sulfuric Acid Rain on Major Cation and Sulfate Concentrations of Water Percolating Through Two Model Hardwood Forests.
1982
377
Effects of sulfuric acid rain on two model hardwood forests : throughfall, litter leachate, and soil solution /
1980
378
Effects of Suspended Stilts and Clays on Self-Purification in Natural Waters: Protein Adsorption.
1972
379
Effects of Temperature and pH on Survival of Free Nuclear Polyhedrosis Virus of 'Autographa californica'.
1987
380
Effects of Temperature and Salinity on 'Menidia beryllina' Embryos Exposed to Terbufos.
1990
381
Effects of Temperature, pH, Salinity, and Inorganic Nitrogen on the Rate of Ammonium Oxidation by Nitrifiers Isolated from Wetland Environments.
1980
382
Effects of variable hardness, pH, alkalinity, suspended clay, and humics on the chemical speciation and aquatic toxicity of copper
1986
383
Effects of Water Quality on Microporous Filter Methods for Enteric Virus Concentration.
1984
384
Effects of Water Temperature and pH on Toxicity of Terbufos, Trichlorfon, 4-Nitrophenol and 2,4-Dinitrophenol to the Amphipod 'Gammarus pseudolimnaeus' and Rainbow Trout ('Oncorhynchus mykiss').
1993
385
Effluent Monitoring Procedures: Basic Parameters for Municipal Effluents.
1977
386
Electrode Measurement of Redox Potential in Anaerobic Ferric/Ferrous Chloride Systems.
1989
387
Electroplating plant operating conditions related to wastewater sludge leachability /
1983
388
Element flow in aquatic systems surrounding coal-fired power plants : Wisconsin power plant impact study /
1980
389
Elkins Mine Drainage Pollution Control Demonstration Project.
1970
390
Engineering and Operating Approaches for Controlling Asbestos Fibers in Drinking Water.
1983
391
Enhancing the States' Lake Management Programs. Annual National Conference (22nd). Held in Chicago, Illinois on April 14-17, 2009.
2009
392
Environmental Assessment of Buccaneer Gas and Oil Field in the Northwestern Gulf of Mexico, 1978-1979. Volume VI. Currents and Hydrography of the Buccaneer Field and Adjacent Waters.
1980
393
Environmental Chemistry of N-Nitroso Compounds.
1976
394
Environmental Factors Affecting Toluene Degradation in Ground Water at a Hazardous Waste Site.
1991
395
Environmental Factors Influencing Methanogenesis in a Shallow Anoxic Aquifer: A Field and Laboratory Study.
1990
396
Environmental fate constants for additional 27 organic chemicals under consideration for EPA's hazardous waste identification projects /
1995
397
Environmental impact of land use on water quality : final report on the Black Creek Project (project data) /
1977
398
Environmental Impacts on the Physiological Mechanisms Controlling Xenobiotic Transfer Across Fish Gills.
1991
399
Environmental requirements and pollution tolerance of common freshwater chironoidae /
1977
400
Environmental requirements and pollution tolerance of Ephemeroptera /
1978
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