Search Results for the EPA National Library Catalog

Items Found: 2019
Showing: Items 501 - 550
Your Search: (SUBJECT=Bacteria)


 
 
 
PREV 1 ... 6 7 8 9 10 11 12 13 14 15 16 ... 41 NEXT
Select Item Title Year Published
EcoMat Inc.'s Biological Denitrification Process: Site Technology Capsule. 2006
Economic Analysis for the Proposed Revised Total Coliform Rule. 2010
Economic Effects of Pawtuckaway State Park: V. Effect of Park Use on Environmental Quality. 1972
Economic Evaluation of Alternative Farm Water Sources in the Claypan Area of Illinois. 1973
Ecosystematic Study of the South River, Virginia. 1972
Eddy Diffusion and Bacterial Reduction in Waste Fields in the Ocean. 1969
Effect of Aerosolization on Subsequent Bacterial Survival. 1992
Effect of Agricultural Land Development on Drainage Waters in the North Carolina Tidewater Region. 1980
Effect of an Activated Sludge Wastewater Treatment Plant on Ambient Air Densities of Aerosols Containing Bacteria and Viruses. 1985
Effect of animal grazing on water quality of nonpoint runoff in the Pacific Northwest 1983
Effect of Chemicals on Soil Nitrifying Populations Using a Continuous-Flow Culture Technique. 1989
Effect of Environmental Variables on Enteric Virus Survival in Surface Freshwaters. 1987
Effect of exposure to PAN and ozone on susceptibility to chronic bacterial infection / 1979
Effect of Fluorinated Analogues of Phenol and Hydroxybenzoates on the Anaerobic Transformation of Phenol to Benzoate. 1990
Effect of Glyphosate and Nitrapyrin on Selected Bacterial Populations in Continuous-Flow Culture. 1992
Effect of Holding Temperature and Time on Total Coliform Density in Sewage Effluent Samples. 1978
Effect of Incubation and Activation Conditions on the Hepatocyte-Mediated Plate Incorporation and Preincubation 'Salmonella typhimurium' Mutagenesis Assays. 1983
Effect of Noncoliforms on Coliform Detection in Potable Groundwater: Improved Recovery with an Anaerobic Membrane Filter Technique. 1984
Effect of particulates on disinfection of enteroviruses in water by chloramines {MICROFICHE} 1984
Effect of particulates on ozone disinfection of bacteria and viruses in water / 1979
Effect of Pesticide Residues and Other Organo-Toxicants on the Quality of Surface and Ground Water Resources. 1970
Effect of Phenotypic Plasticity on Epiphytic Survival and Colonization by 'Pseudomonas syringae'. 1993
Effect of Presynthesized Biological Intermediates on Substrate Utilization Rates. 1971
Effect of Processing Poultry Manure on Disease Agents. 1973
Effect of Protozoan Predation on Relative Abundance of Fast- and Slow-Growing Bacteria. 1989
Effect of Several Stress Factors on the Susceptibility of the Predatory Mite, 'Metaseiulus occidentalis' (Acari: Phytoseiidae), to the Weak Bacterial Pathogen 'Serratia marcescens.' 1988
Effect of Silicate Grain Shape, Structure, and Location on the Biomass and Community Structure of Colonizing Marine Microbiota. 1981
Effect of Slow Sand Filter Maintenance on Water Quality. 1985
Effect of Sodium Chloride on Transport of Bacteria in a Saturated Aquifer Material. 1991
Effect of Solvent and Extraction Methods on the Bacterial Mutagenicity of Sidestream Cigarette Smoke. 1987
Effect of Storage on the Survival of Total Coliform Organisms. 1968
Effect of stress on organisms in the distribution system 1983
Effect of the Distribution System on Drinking-Water Quality. 1993
Effect of Urban Ozone Levels on Laboratory-Induced Respiratory Infections. 1978
Effect of Waste Discharges Into a Silt-Laden Estuary. A Case of Cook Inlet, Alaska. 1972
Effect of Wastewater Disinfectants on Survival of R-Factor Coliform Bacteria. 1987
Effect of Well-Drilling Fluids of the Physiological Status and Microbial Infection of the Reef Building Coral 'Montastrea annularis'. 1984
Effective Filtration Methods for Small Water Supplies. 1984
Effectiveness and safety of strategies for oil spill bioremediation : potential and limitation, laboratory to field / 1998
Effectiveness of Ozone as a Municipal Wastewater Disinfectant. 1983
Effectiveness of water treatment processes, as measured by coliform reduction. 1962
Effects and interactions of polychlorinated biphenyl (PCB) with estuarine microorganisms and shellfish / 1977
Effects of Acid Perturbation on a Controlled Ecosystem. 1981
Effects of Adaptation on Biodegradation Rates in Sediment/Water Cores from Estuarine and Freshwater Environments. 1980
Effects of Aeration and Temperature on Composting of Municipal Sludge in a Full-Scale Vessel System. 1985
Effects of Aniline and Three Derivatives on Laboratory Microecosystems. 1987
Effects of Betaine on Enumeration of Airborne Bacteria. 1990
Effects of Certain Cadmium Species on Pure and Litter Populations of Microorganisms. 1979
Effects of Cotton Expressing the 'Bacillus thuringiensis' var. 'kurstaki' Endotoxin on Soil Microorganisms. 1996
Effects of Differently Extracted Endotoxins from Escherichia coli on Rainbow Trout (Salmo Gairdneri). 1973
PREV 1 ... 6 7 8 9 10 11 12 13 14 15 16 ... 41 NEXT

Save, Print or Email Selected Records