Search Results for the EPA National Library Catalog

Items Found: 1075
Showing: Items 751 - 800
Your Search: (SUBJECT=ph)


 
 
 
PREV 1 ... 11 12 13 14 15 16 17 18 19 20 21 22 NEXT
Select Item Title Year Published
pH-Dependent Toxicity of Cd, Cu, Ni, Pb and Zn to 'Ceriodaphnia dubia', 'Pimephales promelas', 'Hyalella azteca' and 'Lumbriculus variegatus'. 1993
Pharmacologic Probing of Amphotericin B-Induced Renal Dysfunction in the Neonatal Rat. 1988
Phenylhydrazine 2000
Phosphate Removal from Waste Waters Using Lanthanum Precipitation. 1970
Photolysis of Copper(II)-Amino Acid Complexes in Water. 1991
Physical and Chemical Properties of the Coastal Waters of Georgia. 1973
Physical Damage Formation on Automotive Finishes Due to Acidic Reagent Exposure. 1992
Physical, chemical and biological conditions of the Sagavanirktok River and nearby control streams, Shaviovik and Canning Rivers : draft report / 1981
Physical-Chemical Treatment of Raw Municipal Wastewater. 1973
Physicochemical Factors Affecting Toxicity in Freshwater: Hardness, pH, and Temperature (Chapter 1). 1994
Physiology of Acidophilic Bacteria of Acid Mine Water. 1972
Pilot Plant Demonstration of a Lime-Biological Treatment Phosphorus Removal Method. 1973
Pilot Plant for Tertiary Treatment of Wastewater with Ozone. 1973
Pilot scale study of acid mine drainage / 1971
Pilot Study for Removal of Arsenic from Drinking Water at the Fallon, Nevada Naval Air Station. 1985
Pilot study to evaluate biological, physical, chemical, and land-use characteristics in Maryland coastal plain streams 1993
Pilot Study to Evaluate Biological, Physical, Chemical, and Land-Use Characteristics in Maryland Coastal Plain Streams. Year 2. 1995
PIRLA 2 Project: Regional Assessment of Lake Acidification Trends. 1990
PIRLA Project (Paleoecological Investigation of Recent Lake Acidification): An Introduction to the Synthesis of the Project. 1990
Plumbosolvency Reduction by High pH and Low Carbonate-Solubility Relationships. 1983
Point Source Analysis. Inventory, Water Demands, and Problem Area Identification. (Areawide Waste Treatment Management Plan for the Greater Houston Area. Section 208, PL 92-500). 1977
Polishing industrial waste stream effluents using fly ash : natural clay sorbent combination / 1984
Pollution of Subsurface Water by Sanitary Landfills. Volume 1. 1971
Pollution of Subsurface Water by Sanitary Landfills. Volume 2. 1971
Pollution of Subsurface Water by Sanitary Landfills. Volume 3. 1971
Pollution Studies of the Regional Ogallala Aquifer at Portales, New Mexico. 1972
Population dynamics and the effect of inorganic ions on certain microcrustacea, 1972
Potential Effects of Polyphosphate Products on Lead Solubility in Plumbing Systems. 1991
Precipitation and inactivation of phosphorus as a lake restoration technique / 1981
Precipitation as a Nutrient and Hydrogen Ion Source for Forested Watersheds in the Missoula Vicinity. 1973
Precision and Accuracy in the Determination of Organics in Water by Fused Silica Capillary Column Gas Chromotography/Mass Spectrometry and Packed Column Gas Chromatography/Mass Spectrometry. 1983
Predicting Equilibria for Single Solute and Multicomponent Aqueous-Phase Adsorption onto Activated Carbon. 1986
Predicting Spring Lake Chemistry from Fall Samples. 1987
Predicting the Precipitation of Acid and Direct Dyes in Natural Waters. 1992
Prediction of Buffer Catalysis in Field and Laboratory Studies of Pollutant Hydrolysis Reactions. 1983
Prediction of Environmental Pollutant Concentration. 1978
Predictive Model for the Accumulation of Cadmium by Container-Grown Plants. 1984
Preimpoundment study, Cedar Creek drainage basin, Evans County watershed : Evans, Tattnall, and Candler Counties, Georgia / 1977
Preimpoundment study, Little Black Creek drainage basin, Black Creek watershed, Bulloch County, Georgia / 1977
Preliminary risk assessment for viruses in municipal sewage sludge applied to land. 1992
Pretreatment of the Combined Industrial-Domestic Wastewaters of Hagerstown, Maryland. Appendix. Volume II. 1978
Probable effects of acid precipitation on Pennsylvania waters / 1980
Proceedings of a conference on emerging environmental problems, acid precipitation. 1975
Proceedings of the 1991 Midwest Pollution Control Biologists meeting : environmental indicators : measurement and assessment endpoints / 1992
Production cycles in aquatic microcosms / 1977
Production in coastal salt marshes of southern California / 1981
Production of Extracellular Nucleic Acids by Genetically Altered Bacteria in Aquatic-Environment Microcosms. 1989
Productivity of Field-Grown Soybeans Exposed to Simulated Acidic Rain. 1983
Properties of ammonium sulfate, ammonium bisulfate, and sulfur dioxide solutions in ammonia scrubbing processes / 1973
Proposed Water Quality Information. Volume II. 1973
PREV 1 ... 11 12 13 14 15 16 17 18 19 20 21 22 NEXT

Save, Print or Email Selected Records