Search Results for the EPA National Library Catalog

Items Found: 1907

Showing: Items 551 - 600

Your Search: (SUBJECT=Microbiology.)


PREV 1 ... 7 8 9 10 11 12 13 14 15 16 17 ... 39 NEXT
Select Item Title Year Published
Effect of holding temperature and time on total coliform density in sewage effluent samples / 1978
Effect of initial microbial concentration on disinfectant efficiency / 2002
Effect of lower turbidity on distribution system water quality 1993
Effect of Organic Amendments on Bacterial Multiplication in Lake Water. 1990
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 Protozoan Predation on Relative Abundance of Fast- and Slow-Growing Bacteria. 1989
Effect of Simulated Acid Rain on Nitrification and Nitrogen Mineralization in Forest Soils. 1981
Effect of Spectral Composition on Photosynthesis in Turbid Reservoirs. Photosynthetic Production in a Turbid Reservoir II. Details of an Incubation Model and Comments on the Effect of Light Quality on Photosynthesis. 1972
Effect of Stress and Non-Stress Conditions Upon the Interaction of Plectonema Boryanum and the LPP-Phycoviruses. 1973
Effect of the Method of Preparing Monochloramine upon Inactivation of MS2 Coliphage, 'Escherichia coli', and 'Klebsiella pneumoniae'. 1991
Effect of the ocean environment on microbial activities; proceedings, 1974
Effect of the Quantity and Duration of Application of Simulated Acid Precipitation on Nitrogen Mineralization and Nitrification in a Forest Soil. 1986
Effect of Wastewater Spray Irrigation on Rotavirus Infection Rates in an Exposed Population. 1989
Effect of water quality on the metabolism of the lactic streptococci 1968
Effective use of high water table areas for sanitary landfill. 1973
Effective Use of High Water Table Areas for Sanitary Landfill. Volume II. 1973
Effectiveness of capping in isolating Dutch Kills sediment from biota and the overlying water / 1986
Effects and interactions of polychlorinated biphenyl (PCB) with estuarine microorganisms and shellfish / 1977
Effects of 'Beauveria bassiana' on Embryos of the Inland Silverside Fish ('Menidia beryllina'). 1992
Effects of 2,4-Dichlorophenol, a Metabolite of a Genetically Engineered Bacterium, and 2,4-Dichlorophenoxyacetate on Some Microorganism-Mediated Ecological Processes in Soil. 1991
Effects of Acid Precipitation on Microbiological and Chemical Parameters in Soils: The Florida Experience. 1983
Effects of Chemical Speciation on the Mineralization of Organic Compounds by Microorganisms. 1985
Effects of chemical variations in aquatic environments / 1973
Effects of chlortetracycline and oxytetracycline treatment on the bacterial flora of lake perch (Perca flavescens) fillets / 1975
Effects of Chronic Chlorine Exposure on Litter Processing in Outdoor Experimental Streams. 1987
Effects of dredging and disposal on aquatic organisms 1978
Effects of exhaust from two-cycle outboard engines. 1974
Effects of Fluorene on Microcosms Developed from Four Natural Communities (Journal Version). 1988
Effects of Heated Waste Waters on Some Microorganisms. 1972
Effects of Heated Waste Waters Upon Microbial Communities. 1971
Effects of Humic and Fulvic Acids on Poliovirus Concentration from Water by Microporous Filtration. 1985
Effects of Industrial Exhalations on the Soil Biology of Spruce Growths in the Krusna Hora Mountains (Vliv Prunyslobych Exhalatu na Pudni Zivenu Smrkovych Porostu Krusnvch Hor). 1965
Effects of livestock pasturing on nonpoint surface runoff / 1983
Effects of Pentachlorophenol on Periphyton Communities in Outdoor Experimental Streams. 1986
Effects of pesticides in water; A report to the states. 1973
Effects of Plankton on Water Supplies in the Niagara River Area. 1948
Effects of protozoa on the fate of particulate carbon / 1973
Effects of Protozoa on the Fate of Particulate Carbon. 1973
Effects of subsurface sedments characteristics on microorganism populations in a gasoline contaminated area 1994
Effects of temperature on diseases of salmonid fishes / 1974
Effects of temperature on diseases of salmonid fishes / 1974
Effects of Toxic Chemicals on Nutrient Cycling Processes in Soil. 1995
Effects on human health of subtherapeutic use of antimicrobials in animal feeds 1980
Effluent Monitoring Procedures: Basic Laboratory Skills - Student Reference Manual. 1977
Effluent Monitoring Procedures: Basic Laboratory Skills Staff Guide. 1978
Electron microscopic examination of Giardia cultures for viruses / 1990
Elements of bioenvironmental engineering / 1988
Emerging and Endemic Pathogens Advances in Surveillance, Detection and Identification / [electronic resource] : 2010
Emerging issues in water and infectious disease. 2003
PREV 1 ... 7 8 9 10 11 12 13 14 15 16 17 ... 39 NEXT

Save, Print or Email Selected Records